make-binary-wrapper: Add -Wall -Werror -Wpedantic

pkgs/build-support/setup-hooks/make-binary-wrapper.sh

@@ -31,7 +31,12 @@ assertExecutable() {
 # use the `strings` command or open the binary file in a text editor.
 makeWrapper() {
     assertExecutable "$1"
-    makeDocumentedCWrapper "$1" "${@:3}" | cc -Os -x c -o "$2" -
+    makeDocumentedCWrapper "$1" "${@:3}" | \
+      cc \
+        -Wall -Werror -Wpedantic \
+        -Os \
+        -x c \
+        -o "$2" -
 }
 
 # Syntax: wrapProgram <PROGRAM> <MAKE-WRAPPER FLAGS...>

pkgs/test/make-binary-wrapper/default.nix

@@ -3,7 +3,7 @@
 let
   env = { nativeBuildInputs = [ makeBinaryWrapper ]; };
   envCheck = runCommand "envcheck" env ''
-    ${gcc}/bin/cc -o $out ${./envcheck.c}
+    ${gcc}/bin/cc -Wall -Werror -Wpedantic -o $out ${./envcheck.c}
   '';
   makeGoldenTest = testname: runCommand "test-wrapper_${testname}" env ''
     mkdir -p /tmp/foo