cosmoc: update flags

pkgs/development/tools/cosmoc/default.nix

@@ -8,18 +8,19 @@ stdenv.mkDerivation {
   dontUnpack = true;
   dontBuild = true;
 
+  # compiler arguments based on upstream README.md
   installPhase = ''
     runHook preInstall
     mkdir -p $out/bin
     cat <<EOF >$out/bin/cosmoc
     #!${stdenv.shell}
     exec ${stdenv.cc}/bin/${stdenv.cc.targetPrefix}gcc \
-      -O -static -nostdlib -nostdinc -fno-pie -no-pie -mno-red-zone \
+      -Os -static -nostdlib -nostdinc -fno-pie -no-pie -mno-red-zone \
+      -fno-omit-frame-pointer -pg -mnop-mcount -mno-tls-direct-seg-refs \
       "\$@" \
-      -Wl,--gc-sections -Wl,-z,max-page-size=0x1000 \
-      -fuse-ld=bfd -Wl,-T,${cosmopolitan}/lib/ape.lds \
+      -fuse-ld=bfd -Wl,-T,${cosmopolitan}/lib/ape.lds -Wl,--gc-sections \
       -include ${cosmopolitan}/include/cosmopolitan.h \
-      ${cosmopolitan}/lib/{crt.o,ape.o,cosmopolitan.a}
+      ${cosmopolitan}/lib/{crt.o,ape-no-modify-self.o,cosmopolitan.a}
     EOF
     chmod +x $out/bin/cosmoc
     runHook postInstall