diff --git a/pkgs/applications/editors/emacs/builder.sh b/pkgs/applications/editors/emacs/builder.sh
index fa3516556a6..a59f4d45f4a 100644
--- a/pkgs/applications/editors/emacs/builder.sh
+++ b/pkgs/applications/editors/emacs/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 myglibc=`cat ${NIX_GCC}/nix-support/orig-glibc`
 echo "glibc: $myglibc" 
diff --git a/pkgs/applications/editors/emacs/modes/cua/builder.sh b/pkgs/applications/editors/emacs/modes/cua/builder.sh
index 479156fdfa2..6f7bb428c1a 100644
--- a/pkgs/applications/editors/emacs/modes/cua/builder.sh
+++ b/pkgs/applications/editors/emacs/modes/cua/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 mkdir -p $out/emacs/site-lisp
 cp $src $out/emacs/site-lisp/cua.el
diff --git a/pkgs/applications/editors/emacs/modes/haskell/builder.sh b/pkgs/applications/editors/emacs/modes/haskell/builder.sh
index fff90a5d69c..2d154031994 100644
--- a/pkgs/applications/editors/emacs/modes/haskell/builder.sh
+++ b/pkgs/applications/editors/emacs/modes/haskell/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 mkdir -p $out/emacs/site-lisp
 tar zxvf $src
diff --git a/pkgs/applications/editors/emacs/modes/nxml/builder.sh b/pkgs/applications/editors/emacs/modes/nxml/builder.sh
index 6e01594aefb..d2393362ebb 100644
--- a/pkgs/applications/editors/emacs/modes/nxml/builder.sh
+++ b/pkgs/applications/editors/emacs/modes/nxml/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 mkdir -p $out/emacs/site-lisp
 cd $out/emacs/site-lisp
diff --git a/pkgs/applications/editors/monodevelop/builder.sh b/pkgs/applications/editors/monodevelop/builder.sh
index 930cc475aa8..a4f6edad04c 100644
--- a/pkgs/applications/editors/monodevelop/builder.sh
+++ b/pkgs/applications/editors/monodevelop/builder.sh
@@ -1,5 +1,5 @@
-. $stdenv/setup
-. $makeWrapper
+source $stdenv/setup
+source $makeWrapper
 
 export MONO_GAC_PREFIX=$monodoc:$gtksharp
 
diff --git a/pkgs/applications/editors/monodoc/builder.sh b/pkgs/applications/editors/monodoc/builder.sh
index cce1c983f83..ee80be9d95c 100644
--- a/pkgs/applications/editors/monodoc/builder.sh
+++ b/pkgs/applications/editors/monodoc/builder.sh
@@ -1,5 +1,5 @@
-. $stdenv/setup
-. $makeWrapper
+source $stdenv/setup
+source $makeWrapper
 
 postInstall=postInstall
 postInstall() {
diff --git a/pkgs/applications/editors/vim/builder.sh b/pkgs/applications/editors/vim/builder.sh
index d38440648e9..0b61d421abc 100644
--- a/pkgs/applications/editors/vim/builder.sh
+++ b/pkgs/applications/editors/vim/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
 
 genericBuild
diff --git a/pkgs/applications/graphics/batik/builder.sh b/pkgs/applications/graphics/batik/builder.sh
index 06af1559b02..c6cf64bf370 100755
--- a/pkgs/applications/graphics/batik/builder.sh
+++ b/pkgs/applications/graphics/batik/builder.sh
@@ -1,6 +1,6 @@
 set -e
 
-. $stdenv/setup
+source $stdenv/setup
 
 unzip $src
 mkdir $out
diff --git a/pkgs/applications/graphics/f-spot/builder.sh b/pkgs/applications/graphics/f-spot/builder.sh
index bf7d9244ce9..2e3aaf894bf 100644
--- a/pkgs/applications/graphics/f-spot/builder.sh
+++ b/pkgs/applications/graphics/f-spot/builder.sh
@@ -1,5 +1,5 @@
-. $stdenv/setup
-. $makeWrapper
+source $stdenv/setup
+source $makeWrapper
 
 postInstall=postInstall
 postInstall() {
diff --git a/pkgs/applications/misc/acrobat-reader/builder.sh b/pkgs/applications/misc/acrobat-reader/builder.sh
index 34b547e93aa..27b4d39faf1 100644
--- a/pkgs/applications/misc/acrobat-reader/builder.sh
+++ b/pkgs/applications/misc/acrobat-reader/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 echo "unpacking $src..."
 tar xvfz $src
diff --git a/pkgs/applications/misc/hello/ex-1/builder.sh b/pkgs/applications/misc/hello/ex-1/builder.sh
index befc4b17468..08bba946cce 100644
--- a/pkgs/applications/misc/hello/ex-1/builder.sh
+++ b/pkgs/applications/misc/hello/ex-1/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 PATH=$perl/bin:$PATH
 
diff --git a/pkgs/applications/networking/browsers/firefox-wrapper/builder.sh b/pkgs/applications/networking/browsers/firefox-wrapper/builder.sh
index 4cfe7be65a9..6abbf1a760b 100644
--- a/pkgs/applications/networking/browsers/firefox-wrapper/builder.sh
+++ b/pkgs/applications/networking/browsers/firefox-wrapper/builder.sh
@@ -1,5 +1,5 @@
-. $stdenv/setup
-. $makeWrapper
+source $stdenv/setup
+source $makeWrapper
 
 makeWrapper "$firefox/bin/firefox" "$out/bin/firefox" \
     --suffix-each MOZ_PLUGIN_PATH ':' "$plugins" \
diff --git a/pkgs/applications/networking/browsers/firefox/builder.sh b/pkgs/applications/networking/browsers/firefox/builder.sh
index 9c43004025c..b2f2136272d 100644
--- a/pkgs/applications/networking/browsers/firefox/builder.sh
+++ b/pkgs/applications/networking/browsers/firefox/builder.sh
@@ -1,9 +1,9 @@
-. $stdenv/setup
+source $stdenv/setup
 
 preConfigure=preConfigure
 preConfigure() {
     cat > .mozconfig <<EOF
-. \$topsrcdir/browser/config/mozconfig
+source \$topsrcdir/browser/config/mozconfig
 ac_add_options --prefix=$out
 ac_add_options --enable-optimize
 ac_add_options --disable-debug
diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/builder.sh b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/builder.sh
index 085053331c7..8b68b8182e2 100644
--- a/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/builder.sh
+++ b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 dontBuild=1
 dontMakeInstall=1
diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/mplayerplug-in/builder.sh b/pkgs/applications/networking/browsers/mozilla-plugins/mplayerplug-in/builder.sh
index d9b895dead2..4c67dcd4f8f 100644
--- a/pkgs/applications/networking/browsers/mozilla-plugins/mplayerplug-in/builder.sh
+++ b/pkgs/applications/networking/browsers/mozilla-plugins/mplayerplug-in/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 # The Firefox pkgconfig files are buggy; they are called firefox-*.pc,
 # but they refer to mozilla-*.pc.  Also, mplayerplug-in requires
diff --git a/pkgs/applications/networking/browsers/mozilla/builder.sh b/pkgs/applications/networking/browsers/mozilla/builder.sh
index 0b5b11f0028..06652b081fa 100644
--- a/pkgs/applications/networking/browsers/mozilla/builder.sh
+++ b/pkgs/applications/networking/browsers/mozilla/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 preConfigure=preConfigure
 preConfigure() {
diff --git a/pkgs/applications/networking/browsers/w3m/builder.sh b/pkgs/applications/networking/browsers/w3m/builder.sh
index 1ebaa047ba2..5a28940f4a6 100644
--- a/pkgs/applications/networking/browsers/w3m/builder.sh
+++ b/pkgs/applications/networking/browsers/w3m/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="--with-ssl=$openssl --with-gc=$boehmgc $configureFlags"
 
diff --git a/pkgs/applications/networking/instant-messengers/gaim/builder.sh b/pkgs/applications/networking/instant-messengers/gaim/builder.sh
index ceff6f1b0ea..4ad985ce800 100644
--- a/pkgs/applications/networking/instant-messengers/gaim/builder.sh
+++ b/pkgs/applications/networking/instant-messengers/gaim/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="\
   --with-nspr-includes=$nss/include/nspr \
diff --git a/pkgs/applications/networking/mailreaders/thunderbird/builder.sh b/pkgs/applications/networking/mailreaders/thunderbird/builder.sh
index b1df6d868b3..ecd2cbb91bc 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/builder.sh
+++ b/pkgs/applications/networking/mailreaders/thunderbird/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 preConfigure() {
     cat mail/config/mozconfig > .mozconfig
diff --git a/pkgs/applications/version-management/subversion-1.1.x/builder.sh b/pkgs/applications/version-management/subversion-1.1.x/builder.sh
index 09e6654faa6..ed622848794 100644
--- a/pkgs/applications/version-management/subversion-1.1.x/builder.sh
+++ b/pkgs/applications/version-management/subversion-1.1.x/builder.sh
@@ -1,5 +1,5 @@
 buildInputs="$openssl $zlib $db4 $httpd $swig $python $jdk $expat $patch"
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="--without-gdbm --disable-static"
 
diff --git a/pkgs/applications/version-management/subversion-1.2.x/builder.sh b/pkgs/applications/version-management/subversion-1.2.x/builder.sh
index 59afaecc35a..ae36439da8f 100644
--- a/pkgs/applications/version-management/subversion-1.2.x/builder.sh
+++ b/pkgs/applications/version-management/subversion-1.2.x/builder.sh
@@ -1,5 +1,5 @@
 buildInputs="$openssl $zlib $db4 $httpd $swig $python $jdk $expat $patch"
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="--without-gdbm --disable-static"
 
diff --git a/pkgs/applications/video/MPlayer/builder.sh b/pkgs/applications/video/MPlayer/builder.sh
index 2a4a7506ae3..79c0a0ba6e0 100644
--- a/pkgs/applications/video/MPlayer/builder.sh
+++ b/pkgs/applications/video/MPlayer/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 # !!! Remove eventually.
 export _POSIX2_VERSION=199209
diff --git a/pkgs/applications/video/MPlayer/win32codecs/builder.sh b/pkgs/applications/video/MPlayer/win32codecs/builder.sh
index 4d9ce0b0789..b8dfd5ce6b8 100644
--- a/pkgs/applications/video/MPlayer/win32codecs/builder.sh
+++ b/pkgs/applications/video/MPlayer/win32codecs/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 buildPhase=true
 
diff --git a/pkgs/applications/video/RealPlayer/builder.sh b/pkgs/applications/video/RealPlayer/builder.sh
index d27a92af9e8..c8796b4d939 100644
--- a/pkgs/applications/video/RealPlayer/builder.sh
+++ b/pkgs/applications/video/RealPlayer/builder.sh
@@ -1,5 +1,5 @@
-. $stdenv/setup
-. $makeWrapper
+source $stdenv/setup
+source $makeWrapper
 
 ensureDir $out/real
 
diff --git a/pkgs/applications/video/mythtv/builder.sh b/pkgs/applications/video/mythtv/builder.sh
index fc92cab91ab..0e7bf604f7d 100644
--- a/pkgs/applications/video/mythtv/builder.sh
+++ b/pkgs/applications/video/mythtv/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 
 buildPhase=myBuilder
diff --git a/pkgs/applications/video/zapping/builder.sh b/pkgs/applications/video/zapping/builder.sh
index 3114f86eda3..51387e5b8a7 100644
--- a/pkgs/applications/video/zapping/builder.sh
+++ b/pkgs/applications/video/zapping/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 # !!! hack
 NIX_LDFLAGS="$NIX_LDFLAGS -rpath $libXext/lib"
diff --git a/pkgs/build-support/fetchfile/builder.sh b/pkgs/build-support/fetchfile/builder.sh
index 223b977bf14..b38e1927809 100644
--- a/pkgs/build-support/fetchfile/builder.sh
+++ b/pkgs/build-support/fetchfile/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 echo "copying $url into $out..."
 
diff --git a/pkgs/build-support/fetchsvn/builder.sh b/pkgs/build-support/fetchsvn/builder.sh
index 25a3c756892..d3099e7cccc 100644
--- a/pkgs/build-support/fetchsvn/builder.sh
+++ b/pkgs/build-support/fetchsvn/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 header "exporting $url (r$rev) into $out"
 
diff --git a/pkgs/build-support/fetchurl/builder.sh b/pkgs/build-support/fetchurl/builder.sh
index afa381fabc6..a74047c48e9 100644
--- a/pkgs/build-support/fetchurl/builder.sh
+++ b/pkgs/build-support/fetchurl/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 header "downloading $out from $url"
 
diff --git a/pkgs/build-support/gcc-cross-wrapper/builder.sh b/pkgs/build-support/gcc-cross-wrapper/builder.sh
index 48a29694f67..18fdb511d68 100644
--- a/pkgs/build-support/gcc-cross-wrapper/builder.sh
+++ b/pkgs/build-support/gcc-cross-wrapper/builder.sh
@@ -1,5 +1,5 @@
-. $stdenv/setup
-. $substitute
+source $stdenv/setup
+source $substitute
 
 
 # Force gcc to use ld-wrapper.sh when calling ld.
diff --git a/pkgs/build-support/gcc-cross-wrapper/gcc-wrapper.sh b/pkgs/build-support/gcc-cross-wrapper/gcc-wrapper.sh
index 7de57afc3f8..d514b57e28a 100644
--- a/pkgs/build-support/gcc-cross-wrapper/gcc-wrapper.sh
+++ b/pkgs/build-support/gcc-cross-wrapper/gcc-wrapper.sh
@@ -1,14 +1,14 @@
 #! @shell@ -e
 
 if test -n "$NIX_GCC_WRAPPER_START_HOOK"; then
-    . "$NIX_GCC_WRAPPER_START_HOOK"
+    source "$NIX_GCC_WRAPPER_START_HOOK"
 fi
 
 if test -z "$NIX_GLIBC_FLAGS_SET"; then
-    . @out@/nix-support/add-flags
+    source @out@/nix-support/add-flags
 fi
 
-. @out@/nix-support/utils
+source @out@/nix-support/utils
 
 
 # Figure out if linker flags should be passed.  GCC prints annoying
@@ -109,7 +109,7 @@ if test "$NIX_DEBUG" = "1"; then
 fi
 
 if test -n "$NIX_GCC_WRAPPER_EXEC_HOOK"; then
-    . "$NIX_GCC_WRAPPER_EXEC_HOOK"
+    source "$NIX_GCC_WRAPPER_EXEC_HOOK"
 fi
 
 
diff --git a/pkgs/build-support/gcc-cross-wrapper/ld-wrapper.sh b/pkgs/build-support/gcc-cross-wrapper/ld-wrapper.sh
index fbf7186ad27..cc1b125804a 100644
--- a/pkgs/build-support/gcc-cross-wrapper/ld-wrapper.sh
+++ b/pkgs/build-support/gcc-cross-wrapper/ld-wrapper.sh
@@ -1,14 +1,14 @@
 #! @shell@ -e
 
 if test -n "$NIX_LD_WRAPPER_START_HOOK"; then
-    . "$NIX_LD_WRAPPER_START_HOOK"
+    source "$NIX_LD_WRAPPER_START_HOOK"
 fi
 
 if test -z "$NIX_GLIBC_FLAGS_SET"; then
-    . @out@/nix-support/add-flags
+    source @out@/nix-support/add-flags
 fi
 
-. @out@/nix-support/utils
+source @out@/nix-support/utils
 
 
 # Optionally filter out paths not refering to the store.
@@ -139,7 +139,7 @@ if test "$NIX_DEBUG" = "1"; then
 fi
 
 if test -n "$NIX_LD_WRAPPER_EXEC_HOOK"; then
-    . "$NIX_LD_WRAPPER_EXEC_HOOK"
+    source "$NIX_LD_WRAPPER_EXEC_HOOK"
 fi
 
 exec @ld@ ${extraBefore[@]} "${params[@]}" ${extra[@]}
diff --git a/pkgs/build-support/gcc-wrapper/builder.sh b/pkgs/build-support/gcc-wrapper/builder.sh
index cf3953e2820..e8dd5fa277f 100644
--- a/pkgs/build-support/gcc-wrapper/builder.sh
+++ b/pkgs/build-support/gcc-wrapper/builder.sh
@@ -1,5 +1,5 @@
-. $stdenv/setup
-. $substitute
+source $stdenv/setup
+source $substitute
 
 
 # Force gcc to use ld-wrapper.sh when calling ld.
diff --git a/pkgs/build-support/gcc-wrapper/gcc-wrapper.sh b/pkgs/build-support/gcc-wrapper/gcc-wrapper.sh
index 7de57afc3f8..d514b57e28a 100644
--- a/pkgs/build-support/gcc-wrapper/gcc-wrapper.sh
+++ b/pkgs/build-support/gcc-wrapper/gcc-wrapper.sh
@@ -1,14 +1,14 @@
 #! @shell@ -e
 
 if test -n "$NIX_GCC_WRAPPER_START_HOOK"; then
-    . "$NIX_GCC_WRAPPER_START_HOOK"
+    source "$NIX_GCC_WRAPPER_START_HOOK"
 fi
 
 if test -z "$NIX_GLIBC_FLAGS_SET"; then
-    . @out@/nix-support/add-flags
+    source @out@/nix-support/add-flags
 fi
 
-. @out@/nix-support/utils
+source @out@/nix-support/utils
 
 
 # Figure out if linker flags should be passed.  GCC prints annoying
@@ -109,7 +109,7 @@ if test "$NIX_DEBUG" = "1"; then
 fi
 
 if test -n "$NIX_GCC_WRAPPER_EXEC_HOOK"; then
-    . "$NIX_GCC_WRAPPER_EXEC_HOOK"
+    source "$NIX_GCC_WRAPPER_EXEC_HOOK"
 fi
 
 
diff --git a/pkgs/build-support/gcc-wrapper/ld-wrapper.sh b/pkgs/build-support/gcc-wrapper/ld-wrapper.sh
index fbf7186ad27..cc1b125804a 100644
--- a/pkgs/build-support/gcc-wrapper/ld-wrapper.sh
+++ b/pkgs/build-support/gcc-wrapper/ld-wrapper.sh
@@ -1,14 +1,14 @@
 #! @shell@ -e
 
 if test -n "$NIX_LD_WRAPPER_START_HOOK"; then
-    . "$NIX_LD_WRAPPER_START_HOOK"
+    source "$NIX_LD_WRAPPER_START_HOOK"
 fi
 
 if test -z "$NIX_GLIBC_FLAGS_SET"; then
-    . @out@/nix-support/add-flags
+    source @out@/nix-support/add-flags
 fi
 
-. @out@/nix-support/utils
+source @out@/nix-support/utils
 
 
 # Optionally filter out paths not refering to the store.
@@ -139,7 +139,7 @@ if test "$NIX_DEBUG" = "1"; then
 fi
 
 if test -n "$NIX_LD_WRAPPER_EXEC_HOOK"; then
-    . "$NIX_LD_WRAPPER_EXEC_HOOK"
+    source "$NIX_LD_WRAPPER_EXEC_HOOK"
 fi
 
 exec @ld@ ${extraBefore[@]} "${params[@]}" ${extra[@]}
diff --git a/pkgs/build-support/make-symlinks/builder.sh b/pkgs/build-support/make-symlinks/builder.sh
index b79e2039bfe..70f1d2ca1b2 100644
--- a/pkgs/build-support/make-symlinks/builder.sh
+++ b/pkgs/build-support/make-symlinks/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 mkdir $out
 for file in $files
diff --git a/pkgs/build-support/mono-dll-fixer/builder.sh b/pkgs/build-support/mono-dll-fixer/builder.sh
index 277a108ee7d..6b1e9e47549 100644
--- a/pkgs/build-support/mono-dll-fixer/builder.sh
+++ b/pkgs/build-support/mono-dll-fixer/builder.sh
@@ -1,5 +1,5 @@
-. $stdenv/setup
-. $substituter
+source $stdenv/setup
+source $substituter
 
 substitute $dllFixer $out --subst-var-by perl $perl/bin/perl
 chmod +x $out
diff --git a/pkgs/data/sgml+xml/schemas/docbook-ng/builder.sh b/pkgs/data/sgml+xml/schemas/docbook-ng/builder.sh
index 742cbf5faa6..fcf6aa26ed1 100644
--- a/pkgs/data/sgml+xml/schemas/docbook-ng/builder.sh
+++ b/pkgs/data/sgml+xml/schemas/docbook-ng/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 mkdir -p $out/xml/rng/docbook
 cd $out/xml/rng/docbook
diff --git a/pkgs/data/sgml+xml/schemas/xml-dtd/docbook-4.2/builder.sh b/pkgs/data/sgml+xml/schemas/xml-dtd/docbook-4.2/builder.sh
index 3d75dccba37..752c1545006 100644
--- a/pkgs/data/sgml+xml/schemas/xml-dtd/docbook-4.2/builder.sh
+++ b/pkgs/data/sgml+xml/schemas/xml-dtd/docbook-4.2/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 mkdir -p $out/xml/dtd/docbook
 cd $out/xml/dtd/docbook
diff --git a/pkgs/data/sgml+xml/schemas/xml-dtd/docbook-4.3/builder.sh b/pkgs/data/sgml+xml/schemas/xml-dtd/docbook-4.3/builder.sh
index 3d75dccba37..752c1545006 100644
--- a/pkgs/data/sgml+xml/schemas/xml-dtd/docbook-4.3/builder.sh
+++ b/pkgs/data/sgml+xml/schemas/xml-dtd/docbook-4.3/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 mkdir -p $out/xml/dtd/docbook
 cd $out/xml/dtd/docbook
diff --git a/pkgs/data/sgml+xml/schemas/xml-dtd/docbook-ebnf/builder.sh b/pkgs/data/sgml+xml/schemas/xml-dtd/docbook-ebnf/builder.sh
index c806d1d33fe..70fd729297c 100644
--- a/pkgs/data/sgml+xml/schemas/xml-dtd/docbook-ebnf/builder.sh
+++ b/pkgs/data/sgml+xml/schemas/xml-dtd/docbook-ebnf/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 mkdir -p $out/xml/dtd/docbook-ebnf
 cd $out/xml/dtd/docbook-ebnf
diff --git a/pkgs/data/sgml+xml/stylesheets/xslt/docbook/builder.sh b/pkgs/data/sgml+xml/stylesheets/xslt/docbook/builder.sh
index 156251fe5db..01775585aba 100644
--- a/pkgs/data/sgml+xml/stylesheets/xslt/docbook/builder.sh
+++ b/pkgs/data/sgml+xml/stylesheets/xslt/docbook/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 mkdir $out
 cd $out
diff --git a/pkgs/development/compilers/blackdown/builder.sh b/pkgs/development/compilers/blackdown/builder.sh
index e44a7d4af94..5969318440f 100755
--- a/pkgs/development/compilers/blackdown/builder.sh
+++ b/pkgs/development/compilers/blackdown/builder.sh
@@ -1,6 +1,6 @@
 set -e
 
-. $stdenv/setup
+source $stdenv/setup
 
 cp $src .
 bin=`basename $src`
diff --git a/pkgs/development/compilers/gcc-2.95/builder.sh b/pkgs/development/compilers/gcc-2.95/builder.sh
index 817951a3735..1b71df58807 100644
--- a/pkgs/development/compilers/gcc-2.95/builder.sh
+++ b/pkgs/development/compilers/gcc-2.95/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 
 export NIX_FIXINC_DUMMY=$NIX_BUILD_TOP/dummy
diff --git a/pkgs/development/compilers/gcc-3.3/builder.sh b/pkgs/development/compilers/gcc-3.3/builder.sh
index 22d1e38707a..a61ad483dcf 100644
--- a/pkgs/development/compilers/gcc-3.3/builder.sh
+++ b/pkgs/development/compilers/gcc-3.3/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 
 FIXINC_DUMMY=$NIX_BUILD_TOP/dummy
diff --git a/pkgs/development/compilers/gcc-3.4-arm/builder.sh b/pkgs/development/compilers/gcc-3.4-arm/builder.sh
index f66e7b7ce28..be5e9634f7b 100644
--- a/pkgs/development/compilers/gcc-3.4-arm/builder.sh
+++ b/pkgs/development/compilers/gcc-3.4-arm/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 
 export NIX_FIXINC_DUMMY=$NIX_BUILD_TOP/dummy
diff --git a/pkgs/development/compilers/gcc-3.4/builder.sh b/pkgs/development/compilers/gcc-3.4/builder.sh
index 60af74ed765..3dfc5a1132d 100644
--- a/pkgs/development/compilers/gcc-3.4/builder.sh
+++ b/pkgs/development/compilers/gcc-3.4/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 
 export NIX_FIXINC_DUMMY=$NIX_BUILD_TOP/dummy
diff --git a/pkgs/development/compilers/gcc-4.0-arm/builder.sh b/pkgs/development/compilers/gcc-4.0-arm/builder.sh
index c89cae9a16c..922a29a59a0 100644
--- a/pkgs/development/compilers/gcc-4.0-arm/builder.sh
+++ b/pkgs/development/compilers/gcc-4.0-arm/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 
 export NIX_FIXINC_DUMMY=$NIX_BUILD_TOP/dummy
diff --git a/pkgs/development/compilers/gcc-4.0/builder.sh b/pkgs/development/compilers/gcc-4.0/builder.sh
index 30498afe241..7808a2e4a9e 100644
--- a/pkgs/development/compilers/gcc-4.0/builder.sh
+++ b/pkgs/development/compilers/gcc-4.0/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 
 export NIX_FIXINC_DUMMY=$NIX_BUILD_TOP/dummy
diff --git a/pkgs/development/compilers/gcc-static-3.4/builder.sh b/pkgs/development/compilers/gcc-static-3.4/builder.sh
index 8021ba092f0..728ddc74607 100644
--- a/pkgs/development/compilers/gcc-static-3.4/builder.sh
+++ b/pkgs/development/compilers/gcc-static-3.4/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 export LDFLAGS="-static"
 
diff --git a/pkgs/development/compilers/gwydion-dylan/binary-builder.sh b/pkgs/development/compilers/gwydion-dylan/binary-builder.sh
index 7956a8a7213..a0e71c02ab9 100644
--- a/pkgs/development/compilers/gwydion-dylan/binary-builder.sh
+++ b/pkgs/development/compilers/gwydion-dylan/binary-builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 set -e
 
diff --git a/pkgs/development/compilers/gwydion-dylan/builder.sh b/pkgs/development/compilers/gwydion-dylan/builder.sh
index 23c63da9198..ea2e5424399 100644
--- a/pkgs/development/compilers/gwydion-dylan/builder.sh
+++ b/pkgs/development/compilers/gwydion-dylan/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 export DYLANDIR=$dylan
 export DYLANPATH=$dylan/lib/dylan/2.4.0/x86-linux-gcc
diff --git a/pkgs/development/compilers/harp/builder.sh b/pkgs/development/compilers/harp/builder.sh
index 9180d143c6a..29f8e15377d 100644
--- a/pkgs/development/compilers/harp/builder.sh
+++ b/pkgs/development/compilers/harp/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup 
+source $stdenv/setup 
 
 unzip $src
 
diff --git a/pkgs/development/compilers/helium/builder.sh b/pkgs/development/compilers/helium/builder.sh
index d7946ab8a52..e740690d9a6 100644
--- a/pkgs/development/compilers/helium/builder.sh
+++ b/pkgs/development/compilers/helium/builder.sh
@@ -1,5 +1,5 @@
 buildinputs="$ghc"
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 tar xvfz $src || exit 1
 cd helium-* || exit 1
diff --git a/pkgs/development/compilers/nasm/builder.sh b/pkgs/development/compilers/nasm/builder.sh
index 39500db9e1f..4109287448d 100644
--- a/pkgs/development/compilers/nasm/builder.sh
+++ b/pkgs/development/compilers/nasm/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 mkdir -p $out/bin
 mkdir -p $out/man/man1
diff --git a/pkgs/development/compilers/ocaml/builder.sh b/pkgs/development/compilers/ocaml/builder.sh
index 87d82be9c02..a1807682d86 100644
--- a/pkgs/development/compilers/ocaml/builder.sh
+++ b/pkgs/development/compilers/ocaml/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="-prefix $out $configureFlags"
 genericBuild
diff --git a/pkgs/development/compilers/strategoxt/builder.sh b/pkgs/development/compilers/strategoxt/builder.sh
index 5d3427b3a77..da02ebcb5e9 100644
--- a/pkgs/development/compilers/strategoxt/builder.sh
+++ b/pkgs/development/compilers/strategoxt/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="--with-aterm=$aterm --with-sdf=$sdf"
 genericBuild
diff --git a/pkgs/development/compilers/tiger/builder.sh b/pkgs/development/compilers/tiger/builder.sh
index aab09f5e1ee..c602b5280f6 100644
--- a/pkgs/development/compilers/tiger/builder.sh
+++ b/pkgs/development/compilers/tiger/builder.sh
@@ -1,5 +1,5 @@
 buildinputs="$aterm $sdf $strategoxt"
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 tar zxf $src || exit 1
 cd tiger-* || exit 1
diff --git a/pkgs/development/eclipse/ecj/builder.sh b/pkgs/development/eclipse/ecj/builder.sh
index 1b3d86f44a5..85982a6bc33 100644
--- a/pkgs/development/eclipse/ecj/builder.sh
+++ b/pkgs/development/eclipse/ecj/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 unzip $src
 cd jdtcoresrc
diff --git a/pkgs/development/eclipse/jdt-sdk/builder.sh b/pkgs/development/eclipse/jdt-sdk/builder.sh
index 8c0e0ac44ea..40de662b775 100755
--- a/pkgs/development/eclipse/jdt-sdk/builder.sh
+++ b/pkgs/development/eclipse/jdt-sdk/builder.sh
@@ -1,6 +1,6 @@
 set -e
 
-. $stdenv/setup
+source $stdenv/setup
 
 unzip $src 
 mkdir $out
diff --git a/pkgs/development/interpreters/clisp/builder.sh b/pkgs/development/interpreters/clisp/builder.sh
index 5ba9dc5f95b..1c6c5a6bb3d 100644
--- a/pkgs/development/interpreters/clisp/builder.sh
+++ b/pkgs/development/interpreters/clisp/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 set -e
 
diff --git a/pkgs/development/interpreters/jre/builder.sh b/pkgs/development/interpreters/jre/builder.sh
index 98d5156fabe..8ddd8762265 100644
--- a/pkgs/development/interpreters/jre/builder.sh
+++ b/pkgs/development/interpreters/jre/builder.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 cp $src $version.bin || exit 1
 chmod u+x $version.bin || exit 1
diff --git a/pkgs/development/interpreters/kaffe/builder.sh b/pkgs/development/interpreters/kaffe/builder.sh
index 1a5e5fa31c1..823a8ebff0e 100755
--- a/pkgs/development/interpreters/kaffe/builder.sh
+++ b/pkgs/development/interpreters/kaffe/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 configureFlags="--with-jikes=$jikes/bin/jikes --enable-pure-java-math"
 genericBuild
diff --git a/pkgs/development/interpreters/perl/builder.sh b/pkgs/development/interpreters/perl/builder.sh
index a4756197b79..e39ae47e573 100644
--- a/pkgs/development/interpreters/perl/builder.sh
+++ b/pkgs/development/interpreters/perl/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 if test "$NIX_ENFORCE_PURITY" = "1" -a -n "$NIX_STORE"; then
     GLIBC=$(cat $NIX_GCC/nix-support/orig-glibc)
diff --git a/pkgs/development/interpreters/php/builder.sh b/pkgs/development/interpreters/php/builder.sh
index 73051ee0e71..3fd315a533d 100644
--- a/pkgs/development/interpreters/php/builder.sh
+++ b/pkgs/development/interpreters/php/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 alias lex=flex
 
diff --git a/pkgs/development/interpreters/sys-perl/builder.sh b/pkgs/development/interpreters/sys-perl/builder.sh
index 33c54134f3b..6b3560cb289 100644
--- a/pkgs/development/interpreters/sys-perl/builder.sh
+++ b/pkgs/development/interpreters/sys-perl/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 mkdir $out
 mkdir $out/bin
 ln -s /usr/bin/perl $out/bin
diff --git a/pkgs/development/libraries/audiofile/builder.sh b/pkgs/development/libraries/audiofile/builder.sh
index 43db47a8b26..b3b3f83bb42 100644
--- a/pkgs/development/libraries/audiofile/builder.sh
+++ b/pkgs/development/libraries/audiofile/builder.sh
@@ -1,5 +1,5 @@
 buildinputs=""
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 tar xvfz $src || exit 1
 cd audiofile-* || exit 1
diff --git a/pkgs/development/libraries/chmlib/builder.sh b/pkgs/development/libraries/chmlib/builder.sh
index 2fd6d7a830c..7ac8930fb61 100644
--- a/pkgs/development/libraries/chmlib/builder.sh
+++ b/pkgs/development/libraries/chmlib/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 unpackCmd="tar xvfj $src"
 
diff --git a/pkgs/development/libraries/db4/builder.sh b/pkgs/development/libraries/db4/builder.sh
index 8c86e426ba5..d71bd806743 100644
--- a/pkgs/development/libraries/db4/builder.sh
+++ b/pkgs/development/libraries/db4/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 preConfigure() {
     cd build_unix
diff --git a/pkgs/development/libraries/fontconfig/builder.sh b/pkgs/development/libraries/fontconfig/builder.sh
index 48c1d5e23d3..5049df50318 100644
--- a/pkgs/development/libraries/fontconfig/builder.sh
+++ b/pkgs/development/libraries/fontconfig/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="--with-confdir=$out/etc/fonts"
 
diff --git a/pkgs/development/libraries/glibc/builder.sh b/pkgs/development/libraries/glibc/builder.sh
index 55c540e683b..54b99df7c42 100644
--- a/pkgs/development/libraries/glibc/builder.sh
+++ b/pkgs/development/libraries/glibc/builder.sh
@@ -2,8 +2,8 @@
 export NIX_NO_SELF_RPATH=1
 export NIX_DONT_SET_RPATH=1
 
-. $stdenv/setup
-. $substitute
+source $stdenv/setup
+source $substitute
 
 glibc=`cat $NIX_GCC/nix-support/orig-glibc`
 echo $glibc
diff --git a/pkgs/development/libraries/gnome/gnome-vfs/builder.sh b/pkgs/development/libraries/gnome/gnome-vfs/builder.sh
index 130c295801a..3c59b545b40 100644
--- a/pkgs/development/libraries/gnome/gnome-vfs/builder.sh
+++ b/pkgs/development/libraries/gnome/gnome-vfs/builder.sh
@@ -5,6 +5,6 @@ addBzip2() {
     buildInputs="$(dirname $(dirname $bzip2)) $buildInputs"
 }
 
-. $stdenv/setup
+source $stdenv/setup
 
 genericBuild
\ No newline at end of file
diff --git a/pkgs/development/libraries/gnome/scrollkeeper/builder.sh b/pkgs/development/libraries/gnome/scrollkeeper/builder.sh
index c2c8fb9fe31..d1d90a2dfdc 100644
--- a/pkgs/development/libraries/gnome/scrollkeeper/builder.sh
+++ b/pkgs/development/libraries/gnome/scrollkeeper/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="--with-xml-catalog=$docbook_xml_dtd_42/xml/dtd/docbook/docbook.cat"
 
diff --git a/pkgs/development/libraries/gtk-libs-1.x/gtk+/builder.sh b/pkgs/development/libraries/gtk-libs-1.x/gtk+/builder.sh
index 9c1af29b65e..da9b8dc6128 100644
--- a/pkgs/development/libraries/gtk-libs-1.x/gtk+/builder.sh
+++ b/pkgs/development/libraries/gtk-libs-1.x/gtk+/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 genericBuild
 
 if test -n "$_propagatedBuildInputs"; then
diff --git a/pkgs/development/libraries/gtk-sharp-1/builder.sh b/pkgs/development/libraries/gtk-sharp-1/builder.sh
index f6911c63ac9..4b8f757540b 100644
--- a/pkgs/development/libraries/gtk-sharp-1/builder.sh
+++ b/pkgs/development/libraries/gtk-sharp-1/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 genericBuild
 
diff --git a/pkgs/development/libraries/gtk-sharp-2/builder.sh b/pkgs/development/libraries/gtk-sharp-2/builder.sh
index f6911c63ac9..4b8f757540b 100644
--- a/pkgs/development/libraries/gtk-sharp-2/builder.sh
+++ b/pkgs/development/libraries/gtk-sharp-2/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 genericBuild
 
diff --git a/pkgs/development/libraries/gtkmozembed-sharp/builder.sh b/pkgs/development/libraries/gtkmozembed-sharp/builder.sh
index f6911c63ac9..4b8f757540b 100644
--- a/pkgs/development/libraries/gtkmozembed-sharp/builder.sh
+++ b/pkgs/development/libraries/gtkmozembed-sharp/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 genericBuild
 
diff --git a/pkgs/development/libraries/gtksourceview-sharp/builder.sh b/pkgs/development/libraries/gtksourceview-sharp/builder.sh
index f6911c63ac9..4b8f757540b 100644
--- a/pkgs/development/libraries/gtksourceview-sharp/builder.sh
+++ b/pkgs/development/libraries/gtksourceview-sharp/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 genericBuild
 
diff --git a/pkgs/development/libraries/java/cup/builder.sh b/pkgs/development/libraries/java/cup/builder.sh
index ecd33aa1363..3cd75dd396c 100755
--- a/pkgs/development/libraries/java/cup/builder.sh
+++ b/pkgs/development/libraries/java/cup/builder.sh
@@ -1,5 +1,5 @@
 set -e
-. $stdenv/setup
+source $stdenv/setup
 
 tar zxvf $src
 
diff --git a/pkgs/development/libraries/java/httpunit/builder.sh b/pkgs/development/libraries/java/httpunit/builder.sh
index 53bf996caa3..27385008295 100755
--- a/pkgs/development/libraries/java/httpunit/builder.sh
+++ b/pkgs/development/libraries/java/httpunit/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 $unzip/bin/unzip $src
 mkdir $out
diff --git a/pkgs/development/libraries/java/jakarta-bcel/builder.sh b/pkgs/development/libraries/java/jakarta-bcel/builder.sh
index f6bd3dd9ec7..9ead7cfebde 100755
--- a/pkgs/development/libraries/java/jakarta-bcel/builder.sh
+++ b/pkgs/development/libraries/java/jakarta-bcel/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 tar zxvf $src
 cd bcel-5.1
diff --git a/pkgs/development/libraries/java/jakarta-commons/file-upload/builder.sh b/pkgs/development/libraries/java/jakarta-commons/file-upload/builder.sh
index d1a93c0fdf4..d95feb5eeb4 100755
--- a/pkgs/development/libraries/java/jakarta-commons/file-upload/builder.sh
+++ b/pkgs/development/libraries/java/jakarta-commons/file-upload/builder.sh
@@ -1,5 +1,5 @@
 set -e
-. $stdenv/setup
+source $stdenv/setup
 
 tar zxvf $src
 mkdir -p $out
diff --git a/pkgs/development/libraries/java/jakarta-regexp/java-bin-builder.sh b/pkgs/development/libraries/java/jakarta-regexp/java-bin-builder.sh
index 1d0a5ab22fb..be2c3577801 100755
--- a/pkgs/development/libraries/java/jakarta-regexp/java-bin-builder.sh
+++ b/pkgs/development/libraries/java/jakarta-regexp/java-bin-builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 tar zxvf $src
 cd jakarta-regexp-1.3
diff --git a/pkgs/development/libraries/java/javasvn/builder.sh b/pkgs/development/libraries/java/javasvn/builder.sh
index e814bbd09dd..5eaed4c8842 100755
--- a/pkgs/development/libraries/java/javasvn/builder.sh
+++ b/pkgs/development/libraries/java/javasvn/builder.sh
@@ -1,5 +1,5 @@
 set -e
-. $stdenv/setup
+source $stdenv/setup
 
 $unzip/bin/unzip $src
 mkdir -p $out
diff --git a/pkgs/development/libraries/java/jdom/builder.sh b/pkgs/development/libraries/java/jdom/builder.sh
index d1a93c0fdf4..d95feb5eeb4 100755
--- a/pkgs/development/libraries/java/jdom/builder.sh
+++ b/pkgs/development/libraries/java/jdom/builder.sh
@@ -1,5 +1,5 @@
 set -e
-. $stdenv/setup
+source $stdenv/setup
 
 tar zxvf $src
 mkdir -p $out
diff --git a/pkgs/development/libraries/java/jflex/builder.sh b/pkgs/development/libraries/java/jflex/builder.sh
index d1a93c0fdf4..d95feb5eeb4 100755
--- a/pkgs/development/libraries/java/jflex/builder.sh
+++ b/pkgs/development/libraries/java/jflex/builder.sh
@@ -1,5 +1,5 @@
 set -e
-. $stdenv/setup
+source $stdenv/setup
 
 tar zxvf $src
 mkdir -p $out
diff --git a/pkgs/development/libraries/java/junit/builder.sh b/pkgs/development/libraries/java/junit/builder.sh
index e8105eca4e3..a76360ead1e 100755
--- a/pkgs/development/libraries/java/junit/builder.sh
+++ b/pkgs/development/libraries/java/junit/builder.sh
@@ -1,5 +1,5 @@
 set -e
-. $stdenv/setup
+source $stdenv/setup
 
 $unzip/bin/unzip $src
 mkdir -p $out
diff --git a/pkgs/development/libraries/java/lucene/builder.sh b/pkgs/development/libraries/java/lucene/builder.sh
index d1a93c0fdf4..d95feb5eeb4 100755
--- a/pkgs/development/libraries/java/lucene/builder.sh
+++ b/pkgs/development/libraries/java/lucene/builder.sh
@@ -1,5 +1,5 @@
 set -e
-. $stdenv/setup
+source $stdenv/setup
 
 tar zxvf $src
 mkdir -p $out
diff --git a/pkgs/development/libraries/java/mockobjects/builder.sh b/pkgs/development/libraries/java/mockobjects/builder.sh
index 358d45d872b..fd5d1a20869 100755
--- a/pkgs/development/libraries/java/mockobjects/builder.sh
+++ b/pkgs/development/libraries/java/mockobjects/builder.sh
@@ -1,5 +1,5 @@
 set -e
-. $stdenv/setup
+source $stdenv/setup
 
 tar xvf $src
 mkdir -p $out
diff --git a/pkgs/development/libraries/java/saxon/unzip-builder.sh b/pkgs/development/libraries/java/saxon/unzip-builder.sh
index 34df48d74bc..48b3d4509d0 100755
--- a/pkgs/development/libraries/java/saxon/unzip-builder.sh
+++ b/pkgs/development/libraries/java/saxon/unzip-builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
 
 unzip $src -d $out
diff --git a/pkgs/development/libraries/libdvdread/builder.sh b/pkgs/development/libraries/libdvdread/builder.sh
index 9173ce1b205..9b655cc0319 100644
--- a/pkgs/development/libraries/libdvdread/builder.sh
+++ b/pkgs/development/libraries/libdvdread/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="--with-libdvdcss=$libdvdcss"
 
diff --git a/pkgs/development/libraries/libjpeg/builder.sh b/pkgs/development/libraries/libjpeg/builder.sh
index 4dae40be2f6..f166dc66e26 100644
--- a/pkgs/development/libraries/libjpeg/builder.sh
+++ b/pkgs/development/libraries/libjpeg/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="--enable-shared"
 
diff --git a/pkgs/development/libraries/libtiff/builder.sh b/pkgs/development/libraries/libtiff/builder.sh
index b627e0ecaab..dd1bdebd39c 100644
--- a/pkgs/development/libraries/libtiff/builder.sh
+++ b/pkgs/development/libraries/libtiff/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="--with-DIR_MAN=$out/man --with-ZIP --with-JPEG"
 
diff --git a/pkgs/development/libraries/libxml2/builder.sh b/pkgs/development/libraries/libxml2/builder.sh
index f7832402495..fdd5dac99f0 100755
--- a/pkgs/development/libraries/libxml2/builder.sh
+++ b/pkgs/development/libraries/libxml2/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags=""
 if test "$pythonSupport"; then
diff --git a/pkgs/development/libraries/mesa/builder.sh b/pkgs/development/libraries/mesa/builder.sh
index 5fbad40011f..978bd0f18a0 100644
--- a/pkgs/development/libraries/mesa/builder.sh
+++ b/pkgs/development/libraries/mesa/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 makeFlags="linux-x86"
 
diff --git a/pkgs/development/libraries/nss/builder.sh b/pkgs/development/libraries/nss/builder.sh
index 9b9fa0c304f..ae9db584079 100644
--- a/pkgs/development/libraries/nss/builder.sh
+++ b/pkgs/development/libraries/nss/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 # This must be the ugliest builder in the Nix Packages
 
diff --git a/pkgs/development/libraries/openssl-0.9.8/builder.sh b/pkgs/development/libraries/openssl-0.9.8/builder.sh
index 0ad465c8771..1004d279a51 100644
--- a/pkgs/development/libraries/openssl-0.9.8/builder.sh
+++ b/pkgs/development/libraries/openssl-0.9.8/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureScript=./config
 configureFlags=shared
diff --git a/pkgs/development/libraries/openssl/builder.sh b/pkgs/development/libraries/openssl/builder.sh
index 0ad465c8771..1004d279a51 100644
--- a/pkgs/development/libraries/openssl/builder.sh
+++ b/pkgs/development/libraries/openssl/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureScript=./config
 configureFlags=shared
diff --git a/pkgs/development/libraries/popt/builder.sh b/pkgs/development/libraries/popt/builder.sh
index 851e010f038..67696b46467 100644
--- a/pkgs/development/libraries/popt/builder.sh
+++ b/pkgs/development/libraries/popt/builder.sh
@@ -1,5 +1,5 @@
 buildinputs="$gettext"
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 tar xvfz $src || exit 1
 cd popt-* || exit 1
diff --git a/pkgs/development/libraries/qt-3/builder.sh b/pkgs/development/libraries/qt-3/builder.sh
index 0af2669ba9b..f18c0f351b5 100644
--- a/pkgs/development/libraries/qt-3/builder.sh
+++ b/pkgs/development/libraries/qt-3/builder.sh
@@ -1,5 +1,5 @@
-. $stdenv/setup
-. $substitute
+source $stdenv/setup
+source $substitute
 
 ensureDir $out/nix-support
 substitute "$hook" "$out/nix-support/setup-hook" --subst-var out
diff --git a/pkgs/development/libraries/readline/builder.sh b/pkgs/development/libraries/readline/builder.sh
index 6941aaf19c1..95a72f80b35 100644
--- a/pkgs/development/libraries/readline/builder.sh
+++ b/pkgs/development/libraries/readline/builder.sh
@@ -1,6 +1,6 @@
 set -x
 
-. $stdenv/setup
+source $stdenv/setup
 
 tar xvfz $src
 cd readline-*
diff --git a/pkgs/development/libraries/xine-lib/builder.sh b/pkgs/development/libraries/xine-lib/builder.sh
index 484014b3cb4..4e39b46ba66 100644
--- a/pkgs/development/libraries/xine-lib/builder.sh
+++ b/pkgs/development/libraries/xine-lib/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 if test -n "$libdvdcss"; then
     # Ugly hack to force libdvdcss to be present (so the user doesn't
diff --git a/pkgs/development/libraries/xlibs/xlibs/builder.sh b/pkgs/development/libraries/xlibs/xlibs/builder.sh
index bfa2c056f4e..7e40acf9198 100644
--- a/pkgs/development/libraries/xlibs/xlibs/builder.sh
+++ b/pkgs/development/libraries/xlibs/xlibs/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 dontBuild=1
 dontMakeInstall=1
 nop() {
diff --git a/pkgs/development/perl-modules/generic/builder.sh b/pkgs/development/perl-modules/generic/builder.sh
index 3a61ba7f67d..11fb6df8107 100644
--- a/pkgs/development/perl-modules/generic/builder.sh
+++ b/pkgs/development/perl-modules/generic/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 PERL5LIB="$PERL5LIB${PERL5LIB:+:}$out/lib/site_perl"
 
@@ -31,11 +31,11 @@ preConfigure() {
 }
 
 if test -n "$perlPreHook"; then
-    . $perlPreHook
+    source $perlPreHook
 fi
 
 genericBuild
 
 if test -n "$perlPostHook"; then
-    . $perlPostHook
-fi
\ No newline at end of file
+    source $perlPostHook
+fi
diff --git a/pkgs/development/python-modules/wxPython-2.5/builder.sh b/pkgs/development/python-modules/wxPython-2.5/builder.sh
index 6bb06d11751..abfde19a846 100644
--- a/pkgs/development/python-modules/wxPython-2.5/builder.sh
+++ b/pkgs/development/python-modules/wxPython-2.5/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 flags="WXPORT=gtk2 BUILD_GLCANVAS=0 BUILD_OGL=0"
 
diff --git a/pkgs/development/python-modules/wxPython/builder.sh b/pkgs/development/python-modules/wxPython/builder.sh
index 724ddd2e239..280f01e2634 100644
--- a/pkgs/development/python-modules/wxPython/builder.sh
+++ b/pkgs/development/python-modules/wxPython/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 flags="WXPORT=gtk2 BUILD_GLCANVAS=0 BUILD_OGL=0"
 
diff --git a/pkgs/development/tools/build-managers/apache-ant/builder.sh b/pkgs/development/tools/build-managers/apache-ant/builder.sh
index f6fba7275d3..0728ecb6dac 100644
--- a/pkgs/development/tools/build-managers/apache-ant/builder.sh
+++ b/pkgs/development/tools/build-managers/apache-ant/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 mkdir -p $out/bin || exit 1
 
diff --git a/pkgs/development/tools/build-managers/apache-ant/core-builder.sh b/pkgs/development/tools/build-managers/apache-ant/core-builder.sh
index 612a11202d5..fad5e047f94 100644
--- a/pkgs/development/tools/build-managers/apache-ant/core-builder.sh
+++ b/pkgs/development/tools/build-managers/apache-ant/core-builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 # unpack the binary distribution
 tar jxf $src || exit 1
diff --git a/pkgs/development/tools/documentation/xdoc/builder.sh b/pkgs/development/tools/documentation/xdoc/builder.sh
index 85855d6d2b8..4bc414ff7bf 100644
--- a/pkgs/development/tools/documentation/xdoc/builder.sh
+++ b/pkgs/development/tools/documentation/xdoc/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="--with-aterm=$aterm --with-sglr=$sglr --with-pgen=$pgen
  --with-pt-support=$ptsupport --with-asf-library=$asflibrary --with-strategoxt=$strategoxt --with-graphviz=$graphviz --with-svn=$subversion"
diff --git a/pkgs/development/tools/java/jclasslib/builder.sh b/pkgs/development/tools/java/jclasslib/builder.sh
index 2c9be51476c..35e94d0fab9 100755
--- a/pkgs/development/tools/java/jclasslib/builder.sh
+++ b/pkgs/development/tools/java/jclasslib/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 tar zxf $src || exit 1
 cd jclasslib || exit 1
diff --git a/pkgs/development/tools/misc/automake/builder.sh b/pkgs/development/tools/misc/automake/builder.sh
index 5b319dd3158..0f5e955f880 100644
--- a/pkgs/development/tools/misc/automake/builder.sh
+++ b/pkgs/development/tools/misc/automake/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 
 postInstall() {
diff --git a/pkgs/development/tools/misc/binutils-arm/builder.sh b/pkgs/development/tools/misc/binutils-arm/builder.sh
index ac8b7f13a79..788effe9b24 100644
--- a/pkgs/development/tools/misc/binutils-arm/builder.sh
+++ b/pkgs/development/tools/misc/binutils-arm/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 patchConfigure() {
     # Clear the default library search path.
diff --git a/pkgs/development/tools/misc/binutils/builder.sh b/pkgs/development/tools/misc/binutils/builder.sh
index ac8b7f13a79..788effe9b24 100644
--- a/pkgs/development/tools/misc/binutils/builder.sh
+++ b/pkgs/development/tools/misc/binutils/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 patchConfigure() {
     # Clear the default library search path.
diff --git a/pkgs/development/tools/misc/gperf/builder.sh b/pkgs/development/tools/misc/gperf/builder.sh
index 08e18c2681d..0ec30571356 100644
--- a/pkgs/development/tools/misc/gperf/builder.sh
+++ b/pkgs/development/tools/misc/gperf/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 tar xvfz $src
 cd gperf-*
diff --git a/pkgs/development/tools/misc/lcov/builder.sh b/pkgs/development/tools/misc/lcov/builder.sh
index 381037ca304..d8c79e7040b 100644
--- a/pkgs/development/tools/misc/lcov/builder.sh
+++ b/pkgs/development/tools/misc/lcov/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 installFlags="PREFIX=$out"
 
diff --git a/pkgs/development/tools/misc/pkgconfig/builder.sh b/pkgs/development/tools/misc/pkgconfig/builder.sh
index 39df58f39bf..6d281da71e4 100644
--- a/pkgs/development/tools/misc/pkgconfig/builder.sh
+++ b/pkgs/development/tools/misc/pkgconfig/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 postInstall() {
     test -x $out/nix-support || mkdir $out/nix-support
diff --git a/pkgs/development/tools/misc/strace/builder.sh b/pkgs/development/tools/misc/strace/builder.sh
index d38440648e9..0b61d421abc 100644
--- a/pkgs/development/tools/misc/strace/builder.sh
+++ b/pkgs/development/tools/misc/strace/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
 
 genericBuild
diff --git a/pkgs/development/tools/misc/swig/builder.sh b/pkgs/development/tools/misc/swig/builder.sh
index b4ac1b18a1f..907b1656c68 100644
--- a/pkgs/development/tools/misc/swig/builder.sh
+++ b/pkgs/development/tools/misc/swig/builder.sh
@@ -1,3 +1,3 @@
 buildInputs="$perl $python $jdk"
-. $stdenv/setup
+source $stdenv/setup
 genericBuild
diff --git a/pkgs/development/tools/parsing/asc-support/builder.sh b/pkgs/development/tools/parsing/asc-support/builder.sh
index 6fdc9d90bdf..c3167b6c1f3 100644
--- a/pkgs/development/tools/parsing/asc-support/builder.sh
+++ b/pkgs/development/tools/parsing/asc-support/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
 configureFlags="--with-aterm=$aterm --with-toolbuslib=$toolbuslib --with-pt-support=$ptsupport --with-asf-support=$asfsupport"
 genericBuild
\ No newline at end of file
diff --git a/pkgs/development/tools/parsing/asf-support/builder.sh b/pkgs/development/tools/parsing/asf-support/builder.sh
index 8c22ac230ac..ae812d4aee2 100644
--- a/pkgs/development/tools/parsing/asf-support/builder.sh
+++ b/pkgs/development/tools/parsing/asf-support/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 configureFlags="--with-aterm=$aterm --with-pt-support=$ptsupport"
 genericBuild
 
diff --git a/pkgs/development/tools/parsing/error-support/builder.sh b/pkgs/development/tools/parsing/error-support/builder.sh
index 4f5f8ffcb3d..b0927b28dbf 100644
--- a/pkgs/development/tools/parsing/error-support/builder.sh
+++ b/pkgs/development/tools/parsing/error-support/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
 configureFlags="--with-aterm=$aterm --with-toolbuslib=$toolbuslib"
 genericBuild
diff --git a/pkgs/development/tools/parsing/flex-iputils/builder.sh b/pkgs/development/tools/parsing/flex-iputils/builder.sh
index 03bddded882..946301946ba 100644
--- a/pkgs/development/tools/parsing/flex-iputils/builder.sh
+++ b/pkgs/development/tools/parsing/flex-iputils/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 installPhase() {
    make install
diff --git a/pkgs/development/tools/parsing/pgen/builder.sh b/pkgs/development/tools/parsing/pgen/builder.sh
index a0ffad19b0c..cdb1271466e 100644
--- a/pkgs/development/tools/parsing/pgen/builder.sh
+++ b/pkgs/development/tools/parsing/pgen/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 configureFlags="--with-aterm=$aterm \
                 --with-toolbuslib=$toolbuslib \
                 --with-pt-support=$ptsupport \
diff --git a/pkgs/development/tools/parsing/pt-support/builder.sh b/pkgs/development/tools/parsing/pt-support/builder.sh
index 4f5f8ffcb3d..b0927b28dbf 100644
--- a/pkgs/development/tools/parsing/pt-support/builder.sh
+++ b/pkgs/development/tools/parsing/pt-support/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
 configureFlags="--with-aterm=$aterm --with-toolbuslib=$toolbuslib"
 genericBuild
diff --git a/pkgs/development/tools/parsing/sdf-support/builder.sh b/pkgs/development/tools/parsing/sdf-support/builder.sh
index b366ccb7909..356a2b816b0 100644
--- a/pkgs/development/tools/parsing/sdf-support/builder.sh
+++ b/pkgs/development/tools/parsing/sdf-support/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
 configureFlags="--with-aterm=$aterm --with-toolbuslib=$toolbuslib --with-pt-support=$ptsupport"
 genericBuild
diff --git a/pkgs/development/tools/parsing/sdf/builder.sh b/pkgs/development/tools/parsing/sdf/builder.sh
index 0aa0befcb37..083b2be7796 100644
--- a/pkgs/development/tools/parsing/sdf/builder.sh
+++ b/pkgs/development/tools/parsing/sdf/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="--with-aterm=$aterm"
 
diff --git a/pkgs/development/tools/parsing/sglr/builder.sh b/pkgs/development/tools/parsing/sglr/builder.sh
index b366ccb7909..356a2b816b0 100644
--- a/pkgs/development/tools/parsing/sglr/builder.sh
+++ b/pkgs/development/tools/parsing/sglr/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
 configureFlags="--with-aterm=$aterm --with-toolbuslib=$toolbuslib --with-pt-support=$ptsupport"
 genericBuild
diff --git a/pkgs/games/quake3demo/builder.sh b/pkgs/games/quake3demo/builder.sh
index e2349144faa..bc292278255 100644
--- a/pkgs/games/quake3demo/builder.sh
+++ b/pkgs/games/quake3demo/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 skip=165
 
diff --git a/pkgs/games/quake3demo/make-wrapper.sh b/pkgs/games/quake3demo/make-wrapper.sh
index c7cf0a9308b..373002a39bf 100644
--- a/pkgs/games/quake3demo/make-wrapper.sh
+++ b/pkgs/games/quake3demo/make-wrapper.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 mkdir $out
 mkdir $out/bin
diff --git a/pkgs/games/ut2004demo/builder.sh b/pkgs/games/ut2004demo/builder.sh
index a5c8e1735b1..0e7e3ed5072 100644
--- a/pkgs/games/ut2004demo/builder.sh
+++ b/pkgs/games/ut2004demo/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 skip=7976
 
diff --git a/pkgs/games/ut2004demo/make-wrapper.sh b/pkgs/games/ut2004demo/make-wrapper.sh
index 0df8b9c6e82..d165127f0a6 100644
--- a/pkgs/games/ut2004demo/make-wrapper.sh
+++ b/pkgs/games/ut2004demo/make-wrapper.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 mkdir $out
 mkdir $out/bin
diff --git a/pkgs/misc/ghostscript/builder.sh b/pkgs/misc/ghostscript/builder.sh
index bd5a302fcb8..1a2f51b9f9a 100644
--- a/pkgs/misc/ghostscript/builder.sh
+++ b/pkgs/misc/ghostscript/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 postInstall=postInstall
 postInstall() {
diff --git a/pkgs/misc/nix/builder.sh b/pkgs/misc/nix/builder.sh
index a42bae72f0e..0decd4f50c3 100644
--- a/pkgs/misc/nix/builder.sh
+++ b/pkgs/misc/nix/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="\
   --with-store-dir=$storeDir --localstatedir=$stateDir \
diff --git a/pkgs/misc/tex/nix/animatedot.sh b/pkgs/misc/tex/nix/animatedot.sh
index fadd490a5d9..2e1868d4beb 100644
--- a/pkgs/misc/tex/nix/animatedot.sh
+++ b/pkgs/misc/tex/nix/animatedot.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 ensureDir $out
 
diff --git a/pkgs/misc/tex/nix/dot2pdf.sh b/pkgs/misc/tex/nix/dot2pdf.sh
index 816fe9b01ee..76cfbb49d28 100644
--- a/pkgs/misc/tex/nix/dot2pdf.sh
+++ b/pkgs/misc/tex/nix/dot2pdf.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 ensureDir $out
 
diff --git a/pkgs/misc/tex/nix/run-latex.sh b/pkgs/misc/tex/nix/run-latex.sh
index ecc6c99f096..31056094fc2 100644
--- a/pkgs/misc/tex/nix/run-latex.sh
+++ b/pkgs/misc/tex/nix/run-latex.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 ensureDir $out
 
diff --git a/pkgs/misc/tex/tetex/builder.sh b/pkgs/misc/tex/tetex/builder.sh
index 6e5b1066d53..7f3dfa3d358 100644
--- a/pkgs/misc/tex/tetex/builder.sh
+++ b/pkgs/misc/tex/tetex/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 postUnpack=postUnpack
 postUnpack() {
diff --git a/pkgs/misc/uml-utilities/builder.sh b/pkgs/misc/uml-utilities/builder.sh
index 9ad012504c5..cb89fa14bc6 100644
--- a/pkgs/misc/uml-utilities/builder.sh
+++ b/pkgs/misc/uml-utilities/builder.sh
@@ -1,5 +1,5 @@
 buildinputs=""
-. $stdenv/setup
+source $stdenv/setup
 
 tar xvfj $src
 cd tools
diff --git a/pkgs/misc/uml/builder.sh b/pkgs/misc/uml/builder.sh
index f2a615494f5..be1f7f18355 100644
--- a/pkgs/misc/uml/builder.sh
+++ b/pkgs/misc/uml/builder.sh
@@ -1,7 +1,7 @@
-. $stdenv/setup
+source $stdenv/setup
 
 # !!! hack
-. $NIX_GCC/nix-support/add-flags
+source $NIX_GCC/nix-support/add-flags
 export NIX_LDFLAGS
 
 postUnpack() {
diff --git a/pkgs/os-specific/linux/dietlibc-wrapper/builder.sh b/pkgs/os-specific/linux/dietlibc-wrapper/builder.sh
index a84f2e5ce62..5f941e2e704 100644
--- a/pkgs/os-specific/linux/dietlibc-wrapper/builder.sh
+++ b/pkgs/os-specific/linux/dietlibc-wrapper/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 #export NIX_GLIBC_FLAGS_SET=1
 
diff --git a/pkgs/os-specific/linux/dietlibc/builder.sh b/pkgs/os-specific/linux/dietlibc/builder.sh
index a8daa6c09cf..7947969f5f3 100644
--- a/pkgs/os-specific/linux/dietlibc/builder.sh
+++ b/pkgs/os-specific/linux/dietlibc/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 preBuild() {
   kernelhash=$(ls $kernel/lib/modules)
diff --git a/pkgs/os-specific/linux/e2fsprogs-diet/builder.sh b/pkgs/os-specific/linux/e2fsprogs-diet/builder.sh
index bfd442c84e4..7715ac23ff9 100644
--- a/pkgs/os-specific/linux/e2fsprogs-diet/builder.sh
+++ b/pkgs/os-specific/linux/e2fsprogs-diet/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 export NIX_GLIBC_FLAGS_SET=1
 
diff --git a/pkgs/os-specific/linux/e2fsprogs/builder.sh b/pkgs/os-specific/linux/e2fsprogs/builder.sh
index 050ca2d2a98..07a6d756dd0 100644
--- a/pkgs/os-specific/linux/e2fsprogs/builder.sh
+++ b/pkgs/os-specific/linux/e2fsprogs/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 installPhase() {
    make install
diff --git a/pkgs/os-specific/linux/iputils/builder.sh b/pkgs/os-specific/linux/iputils/builder.sh
index e6f482d17bd..d1b05109aee 100644
--- a/pkgs/os-specific/linux/iputils/builder.sh
+++ b/pkgs/os-specific/linux/iputils/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 tar zxvf $src
 cd iputils
diff --git a/pkgs/os-specific/linux/kernel-headers-arm/builder.sh b/pkgs/os-specific/linux/kernel-headers-arm/builder.sh
index 6a52c818558..fa91ae10591 100644
--- a/pkgs/os-specific/linux/kernel-headers-arm/builder.sh
+++ b/pkgs/os-specific/linux/kernel-headers-arm/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 
 buildPhase() {
diff --git a/pkgs/os-specific/linux/kernel-headers/builder.sh b/pkgs/os-specific/linux/kernel-headers/builder.sh
index 1b734c5f426..f4920edd355 100644
--- a/pkgs/os-specific/linux/kernel-headers/builder.sh
+++ b/pkgs/os-specific/linux/kernel-headers/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 
 buildPhase() {
diff --git a/pkgs/os-specific/linux/kernel/builder.sh b/pkgs/os-specific/linux/kernel/builder.sh
index 3632ddc50d9..a48865443da 100644
--- a/pkgs/os-specific/linux/kernel/builder.sh
+++ b/pkgs/os-specific/linux/kernel/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 buildPhase() {
 	cp $config .config
diff --git a/pkgs/os-specific/linux/klibc/builder.sh b/pkgs/os-specific/linux/klibc/builder.sh
index a8daa6c09cf..7947969f5f3 100644
--- a/pkgs/os-specific/linux/klibc/builder.sh
+++ b/pkgs/os-specific/linux/klibc/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 preBuild() {
   kernelhash=$(ls $kernel/lib/modules)
diff --git a/pkgs/os-specific/linux/mingetty-wrapper/builder.sh b/pkgs/os-specific/linux/mingetty-wrapper/builder.sh
index 0295faa8d2e..3797b62340c 100644
--- a/pkgs/os-specific/linux/mingetty-wrapper/builder.sh
+++ b/pkgs/os-specific/linux/mingetty-wrapper/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 #. $makeWrapper
 
 ensureDir "$(dirname $out)"
diff --git a/pkgs/os-specific/linux/mingetty/builder.sh b/pkgs/os-specific/linux/mingetty/builder.sh
index d5e847db742..2a2d5005455 100644
--- a/pkgs/os-specific/linux/mingetty/builder.sh
+++ b/pkgs/os-specific/linux/mingetty/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 echo $out
 
diff --git a/pkgs/os-specific/linux/net-tools/builder.sh b/pkgs/os-specific/linux/net-tools/builder.sh
index c7f9975866a..5f9583980b0 100644
--- a/pkgs/os-specific/linux/net-tools/builder.sh
+++ b/pkgs/os-specific/linux/net-tools/builder.sh
@@ -1,5 +1,5 @@
 buildinputs=""
-. $stdenv/setup
+source $stdenv/setup
 
 tar xvfj $src
 cd net-tools-*
diff --git a/pkgs/os-specific/linux/procps/builder.sh b/pkgs/os-specific/linux/procps/builder.sh
index 9351c6c557d..436df18fef5 100644
--- a/pkgs/os-specific/linux/procps/builder.sh
+++ b/pkgs/os-specific/linux/procps/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 export DESTDIR=$out
 
diff --git a/pkgs/os-specific/linux/shadow/builder.sh b/pkgs/os-specific/linux/shadow/builder.sh
index 28ea67d098f..3a387e3deed 100644
--- a/pkgs/os-specific/linux/shadow/builder.sh
+++ b/pkgs/os-specific/linux/shadow/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
                                                                                 
 genericBuild
diff --git a/pkgs/os-specific/linux/syslinux/builder.sh b/pkgs/os-specific/linux/syslinux/builder.sh
index fc4a05e9148..732c288cd12 100644
--- a/pkgs/os-specific/linux/syslinux/builder.sh
+++ b/pkgs/os-specific/linux/syslinux/builder.sh
@@ -1,5 +1,5 @@
 buildinputs=""
-. $stdenv/setup
+source $stdenv/setup
 
 #tar xvfj $src
 #cd syslinux-3.09
diff --git a/pkgs/os-specific/linux/util-linux/builder.sh b/pkgs/os-specific/linux/util-linux/builder.sh
index 8e0d2ebc58f..c61ce6798b0 100644
--- a/pkgs/os-specific/linux/util-linux/builder.sh
+++ b/pkgs/os-specific/linux/util-linux/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
 export DESTDIR=$out
 genericBuild
diff --git a/pkgs/servers/ftp/vsftpd/builder.sh b/pkgs/servers/ftp/vsftpd/builder.sh
index 323b6d1699a..76f361d97b1 100644
--- a/pkgs/servers/ftp/vsftpd/builder.sh
+++ b/pkgs/servers/ftp/vsftpd/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 ensureDir "$out/bin"
 ensureDir "$out/sbin"
diff --git a/pkgs/servers/http/apache-httpd/builder.sh b/pkgs/servers/http/apache-httpd/builder.sh
index 91d05400b5e..35d33db9c1d 100644
--- a/pkgs/servers/http/apache-httpd/builder.sh
+++ b/pkgs/servers/http/apache-httpd/builder.sh
@@ -1,5 +1,5 @@
 buildInputs="$openssl $db4 $expat $perl"
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="--with-expat=$expat --enable-mods-shared=all --without-gdbm \
  --enable-threads --with-devrandom=/dev/urandom"
diff --git a/pkgs/servers/http/jetty/bin-builder.sh b/pkgs/servers/http/jetty/bin-builder.sh
index bfd8f95b540..1da42099dca 100644
--- a/pkgs/servers/http/jetty/bin-builder.sh
+++ b/pkgs/servers/http/jetty/bin-builder.sh
@@ -1,6 +1,6 @@
 set -e
 
-. $stdenv/setup
+source $stdenv/setup
 
 unzip $src
 mkdir $out
diff --git a/pkgs/servers/http/tomcat/builder.sh b/pkgs/servers/http/tomcat/builder.sh
index e70807437e1..5f858d1cff8 100644
--- a/pkgs/servers/http/tomcat/builder.sh
+++ b/pkgs/servers/http/tomcat/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 tar zxf $src
 cd jakarta-tomcat*/bin
diff --git a/pkgs/servers/sql/postgresql/builder.sh b/pkgs/servers/sql/postgresql/builder.sh
index 26144d2d02a..20e50ec1ec6 100755
--- a/pkgs/servers/sql/postgresql/builder.sh
+++ b/pkgs/servers/sql/postgresql/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 export LANG=en_US
 
diff --git a/pkgs/servers/sql/postgresql/jdbc/builder.sh b/pkgs/servers/sql/postgresql/jdbc/builder.sh
index 61afeab6646..318a4e637a0 100755
--- a/pkgs/servers/sql/postgresql/jdbc/builder.sh
+++ b/pkgs/servers/sql/postgresql/jdbc/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 set -e
 
diff --git a/pkgs/shells/bash/builder.sh b/pkgs/shells/bash/builder.sh
index c1ae41a8c53..56ca1745dae 100644
--- a/pkgs/shells/bash/builder.sh
+++ b/pkgs/shells/bash/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 genericBuild
 cd $out/bin
 ln -s bash sh
diff --git a/pkgs/stdenv/generic/builder.sh b/pkgs/stdenv/generic/builder.sh
index eb68a9782a0..74df18ac838 100644
--- a/pkgs/stdenv/generic/builder.sh
+++ b/pkgs/stdenv/generic/builder.sh
@@ -4,8 +4,8 @@ p3=$param3
 p4=$param4
 p5=$param5
 
-. $stdenv/setup
-. $substitute
+source $stdenv/setup
+source $substitute
 
 mkdir $out
 
diff --git a/pkgs/stdenv/generic/default-builder.sh b/pkgs/stdenv/generic/default-builder.sh
index 9a297c67f6e..273fc55c755 100644
--- a/pkgs/stdenv/generic/default-builder.sh
+++ b/pkgs/stdenv/generic/default-builder.sh
@@ -1,2 +1,2 @@
-. $stdenv/setup
+source $stdenv/setup
 genericBuild
diff --git a/pkgs/stdenv/generic/setup.sh b/pkgs/stdenv/generic/setup.sh
index 7998e5b69f9..a56eba343dc 100644
--- a/pkgs/stdenv/generic/setup.sh
+++ b/pkgs/stdenv/generic/setup.sh
@@ -22,7 +22,7 @@ param3=@param3@
 param4=@param4@
 param5=@param5@
 if test -n "@preHook@"; then
-    . @preHook@
+    source @preHook@
 fi
 
 
@@ -33,7 +33,7 @@ if test -z "$SHELL"; then echo "SHELL not set"; exit 1; fi
 # Hack: run gcc's setup hook.
 envHooks=()
 if test -f $NIX_GCC/nix-support/setup-hook; then
-    . $NIX_GCC/nix-support/setup-hook
+    source $NIX_GCC/nix-support/setup-hook
 fi
 
     
@@ -81,7 +81,7 @@ findInputs()
     pkgs="$pkgs $pkg "
 
     if test -f $pkg/nix-support/setup-hook; then
-        . $pkg/nix-support/setup-hook
+        source $pkg/nix-support/setup-hook
     fi
     
     if test -f $pkg/nix-support/propagated-build-inputs; then
@@ -162,7 +162,7 @@ export TZ=UTC
 
 # Execute the post-hook.
 if test -n "@postHook@"; then
-    . @postHook@
+    source @postHook@
 fi
 
 PATH=$_PATH${_PATH:+:}$PATH
diff --git a/pkgs/test/rpath/builder.sh b/pkgs/test/rpath/builder.sh
index 0a75e1cd33a..2bf62462146 100644
--- a/pkgs/test/rpath/builder.sh
+++ b/pkgs/test/rpath/builder.sh
@@ -1,6 +1,6 @@
 export NIX_DEBUG=1
 
-. $stdenv/setup
+source $stdenv/setup
 
 mkdir $out
 mkdir $out/bin
diff --git a/pkgs/test/simple/builder.sh b/pkgs/test/simple/builder.sh
index dcfa49bd9c3..65f7e4c11ba 100644
--- a/pkgs/test/simple/builder.sh
+++ b/pkgs/test/simple/builder.sh
@@ -2,7 +2,7 @@ set -x
 
 export NIX_DEBUG=1
 
-. $stdenv/setup
+source $stdenv/setup
 
 export NIX_ENFORCE_PURITY=1
 
diff --git a/pkgs/tools/archivers/unzip/builder.sh b/pkgs/tools/archivers/unzip/builder.sh
index 0166eecce6b..fc38b004381 100644
--- a/pkgs/tools/archivers/unzip/builder.sh
+++ b/pkgs/tools/archivers/unzip/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 builder() {
     make -f unix/Makefile generic
diff --git a/pkgs/tools/archivers/zip/builder.sh b/pkgs/tools/archivers/zip/builder.sh
index 16a124bd37c..71146cbee4d 100644
--- a/pkgs/tools/archivers/zip/builder.sh
+++ b/pkgs/tools/archivers/zip/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 makeFlags="-f unix/Makefile generic"
 
diff --git a/pkgs/tools/compression/bsdiff/builder.sh b/pkgs/tools/compression/bsdiff/builder.sh
index 46fb9e0ff16..1acb10cb794 100644
--- a/pkgs/tools/compression/bsdiff/builder.sh
+++ b/pkgs/tools/compression/bsdiff/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 installFlags="PREFIX=$out INSTALL=install"
 
diff --git a/pkgs/tools/compression/bzip2/builder.sh b/pkgs/tools/compression/bzip2/builder.sh
index c88724f2d21..51c911ad161 100644
--- a/pkgs/tools/compression/bzip2/builder.sh
+++ b/pkgs/tools/compression/bzip2/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 installFlags="PREFIX=$out"
 
 preBuild=preBuild
diff --git a/pkgs/tools/compression/zdelta/builder.sh b/pkgs/tools/compression/zdelta/builder.sh
index 0760ae8357b..adbddfdf9f5 100644
--- a/pkgs/tools/compression/zdelta/builder.sh
+++ b/pkgs/tools/compression/zdelta/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 installPhase=installPhase
 installPhase() {
diff --git a/pkgs/tools/graphics/graphviz/builder.sh b/pkgs/tools/graphics/graphviz/builder.sh
index 56b012f4563..6c7d4c42b83 100644
--- a/pkgs/tools/graphics/graphviz/builder.sh
+++ b/pkgs/tools/graphics/graphviz/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="\
     --with-pngincludedir=$libpng/include \
diff --git a/pkgs/tools/misc/findutils-wrapper/builder.sh b/pkgs/tools/misc/findutils-wrapper/builder.sh
index 2dfd942f687..60d38ec596e 100644
--- a/pkgs/tools/misc/findutils-wrapper/builder.sh
+++ b/pkgs/tools/misc/findutils-wrapper/builder.sh
@@ -1,5 +1,5 @@
-. $stdenv/setup
-. $makeWrapper
+source $stdenv/setup
+source $makeWrapper
 
 makeWrapper "$findutils/bin/locate" "$out/bin/locate" \
 --database=/var/locatedb
diff --git a/pkgs/tools/misc/getopt/builder.sh b/pkgs/tools/misc/getopt/builder.sh
index 0b1da9d6612..a220ad0c66f 100644
--- a/pkgs/tools/misc/getopt/builder.sh
+++ b/pkgs/tools/misc/getopt/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 installFlags="prefix=$out"
 makeFlags="CFLAGS=-DWITHOUT_GETTEXT LIBCGETOPT=0"
 genericBuild
diff --git a/pkgs/tools/misc/grub-wrapper/builder.sh b/pkgs/tools/misc/grub-wrapper/builder.sh
index 122046ab433..95d39923512 100644
--- a/pkgs/tools/misc/grub-wrapper/builder.sh
+++ b/pkgs/tools/misc/grub-wrapper/builder.sh
@@ -1,5 +1,5 @@
-. $stdenv/setup
-. $makeWrapper
+source $stdenv/setup
+source $makeWrapper
 
 makeWrapper "$grub/sbin/grub-install" "$out/sbin/grub-install" \
 --suffix-each PATH ':' "$diffutils/bin $gnused/bin $gnugrep/bin"
diff --git a/pkgs/tools/misc/less/builder.sh b/pkgs/tools/misc/less/builder.sh
index d38440648e9..0b61d421abc 100644
--- a/pkgs/tools/misc/less/builder.sh
+++ b/pkgs/tools/misc/less/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
 
 genericBuild
diff --git a/pkgs/tools/misc/screen/builder.sh b/pkgs/tools/misc/screen/builder.sh
index d38440648e9..0b61d421abc 100644
--- a/pkgs/tools/misc/screen/builder.sh
+++ b/pkgs/tools/misc/screen/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
 
 genericBuild
diff --git a/pkgs/tools/networking/bittorrent/builder.sh b/pkgs/tools/networking/bittorrent/builder.sh
index 84904ccfae4..7b93d5db8ba 100644
--- a/pkgs/tools/networking/bittorrent/builder.sh
+++ b/pkgs/tools/networking/bittorrent/builder.sh
@@ -1,5 +1,5 @@
-. $stdenv/setup
-. $makeWrapper
+source $stdenv/setup
+source $makeWrapper
 
 buildPhase=buildPhase
 buildPhase() {
diff --git a/pkgs/tools/networking/cksfv/builder.sh b/pkgs/tools/networking/cksfv/builder.sh
index 18b63b2fd61..63e914092a5 100644
--- a/pkgs/tools/networking/cksfv/builder.sh
+++ b/pkgs/tools/networking/cksfv/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 tar xvfz $src || exit 1
 cd cksfv-*/src || exit 1
diff --git a/pkgs/tools/networking/dhcp-wrapper/builder.sh b/pkgs/tools/networking/dhcp-wrapper/builder.sh
index 037453a1882..12a0f28ce1c 100644
--- a/pkgs/tools/networking/dhcp-wrapper/builder.sh
+++ b/pkgs/tools/networking/dhcp-wrapper/builder.sh
@@ -1,5 +1,5 @@
-. $stdenv/setup
-. $makeWrapper
+source $stdenv/setup
+source $makeWrapper
 
 makeWrapper "$dhcp/sbin/dhclient" "$out/sbin/dhclient" \
 --set PATH_DHCLIENT_SCRIPT "$dhcp/sbin/dhclient-script"
diff --git a/pkgs/tools/networking/dhcp/builder.sh b/pkgs/tools/networking/dhcp/builder.sh
index e2e61fd4e94..56f506d1fbc 100755
--- a/pkgs/tools/networking/dhcp/builder.sh
+++ b/pkgs/tools/networking/dhcp/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 export DESTDIR=$out
 
diff --git a/pkgs/tools/networking/openssh/builder.sh b/pkgs/tools/networking/openssh/builder.sh
index d5d4cb6a1cc..198c809a49e 100644
--- a/pkgs/tools/networking/openssh/builder.sh
+++ b/pkgs/tools/networking/openssh/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 
 configureFlags="--with-privsep-path=$out/empty"
diff --git a/pkgs/tools/networking/par2cmdline/builder.sh b/pkgs/tools/networking/par2cmdline/builder.sh
index 0dbb5e0a57b..69fe4da4b4b 100644
--- a/pkgs/tools/networking/par2cmdline/builder.sh
+++ b/pkgs/tools/networking/par2cmdline/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 tar xvfz $src || exit 1
 cd par2cmdline-* || exit 1
diff --git a/pkgs/tools/security/gnupg/builder.sh b/pkgs/tools/security/gnupg/builder.sh
index d38440648e9..0b61d421abc 100644
--- a/pkgs/tools/security/gnupg/builder.sh
+++ b/pkgs/tools/security/gnupg/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
 
 genericBuild
diff --git a/pkgs/tools/security/mktemp/builder.sh b/pkgs/tools/security/mktemp/builder.sh
index 8397626c00f..896ef426398 100644
--- a/pkgs/tools/security/mktemp/builder.sh
+++ b/pkgs/tools/security/mktemp/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
  
 genericBuild
diff --git a/pkgs/tools/security/nmap/builder.sh b/pkgs/tools/security/nmap/builder.sh
index 8397626c00f..896ef426398 100644
--- a/pkgs/tools/security/nmap/builder.sh
+++ b/pkgs/tools/security/nmap/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
  
 genericBuild
diff --git a/pkgs/tools/system/which/builder.sh b/pkgs/tools/system/which/builder.sh
index 3c09d5ff137..e5ef90829fb 100644
--- a/pkgs/tools/system/which/builder.sh
+++ b/pkgs/tools/system/which/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 tar xvfz $src || exit 1
 cd which-* || exit 1
diff --git a/pkgs/tools/text/diffutils/builder.sh b/pkgs/tools/text/diffutils/builder.sh
index 58dcc3d8ad0..6c508ed5614 100644
--- a/pkgs/tools/text/diffutils/builder.sh
+++ b/pkgs/tools/text/diffutils/builder.sh
@@ -1,3 +1,3 @@
-. $stdenv/setup
+source $stdenv/setup
 if test -n "$coreutils"; then PATH=$coreutils/bin:$PATH; fi
 genericBuild
\ No newline at end of file
diff --git a/pkgs/tools/text/ed/builder.sh b/pkgs/tools/text/ed/builder.sh
index 0c4430cf2ac..0e82ef42ccc 100644
--- a/pkgs/tools/text/ed/builder.sh
+++ b/pkgs/tools/text/ed/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 tar xvfz $src || exit 1
 cd ed-* || exit 1
diff --git a/pkgs/tools/text/gnupatch/builder.sh b/pkgs/tools/text/gnupatch/builder.sh
index 0dc0ba871d9..35eaebe56c7 100644
--- a/pkgs/tools/text/gnupatch/builder.sh
+++ b/pkgs/tools/text/gnupatch/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 tar xvfz $src || exit 1
 cd patch-* || exit 1
diff --git a/pkgs/tools/text/xml/jing/script-builder.sh b/pkgs/tools/text/xml/jing/script-builder.sh
index b0c4648404c..e989615bee4 100644
--- a/pkgs/tools/text/xml/jing/script-builder.sh
+++ b/pkgs/tools/text/xml/jing/script-builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup || exit 1
+source $stdenv/setup || exit 1
 
 mkdir -p $out/bin || exit 1
 
diff --git a/pkgs/tools/text/xml/jing/unzip-builder.sh b/pkgs/tools/text/xml/jing/unzip-builder.sh
index c8cb54a2a0f..5f8738da51c 100755
--- a/pkgs/tools/text/xml/jing/unzip-builder.sh
+++ b/pkgs/tools/text/xml/jing/unzip-builder.sh
@@ -1,5 +1,5 @@
 set -e
-. $stdenv/setup
+source $stdenv/setup
 
 $unzip/bin/unzip $src
 mkdir -p $out
diff --git a/pkgs/tools/typesetting/bibtex-tools/builder.sh b/pkgs/tools/typesetting/bibtex-tools/builder.sh
index acdecca0665..bb7538e38af 100644
--- a/pkgs/tools/typesetting/bibtex-tools/builder.sh
+++ b/pkgs/tools/typesetting/bibtex-tools/builder.sh
@@ -1,4 +1,4 @@
-. $stdenv/setup
+source $stdenv/setup
 
 configureFlags="--with-aterm=$aterm --with-sdf=$sdf --with-strategoxt=$strategoxt --with-hevea=$hevea --with-latex=$tetex"
 genericBuild
diff --git a/pkgs/tools/typesetting/hevea/builder.sh b/pkgs/tools/typesetting/hevea/builder.sh
index 64555584708..7598da5d0a5 100644
--- a/pkgs/tools/typesetting/hevea/builder.sh
+++ b/pkgs/tools/typesetting/hevea/builder.sh
@@ -1,6 +1,6 @@
 set -e
 
-. $stdenv/setup
+source $stdenv/setup
 
 mkdir -p $out/bin $out/lib