graalvmXX-ce: refactor

- Simplify `preFixup` phase
- Update documentation
- Quote some variables

pkgs/development/compilers/graalvm/community-edition/mkGraal.nix

@@ -29,8 +29,8 @@
   # See `update.nix` file for a description on how this file works
 , sourcesPath ? ./. + "/graalvm${javaVersion}-ce-sources.json"
   # Use musl instead of glibc to allow true static builds in GraalVM's
-  # Native Image (i.e.: `--static --libc=musl`). This will cause glibc builds
-  # to fail, so it should be used with care
+  # Native Image (i.e.: `--static --libc=musl`). This will cause glibc static
+  # builds to fail, so it should be used with care
 , useMusl ? false
 }:
 
@@ -85,7 +85,7 @@ let
   ] ++ lib.optionals useMusl [
     (lib.getDev musl)
     # GraalVM 21.3.0+ expects musl-gcc as <system>-musl-gcc
-    (writeShellScriptBin "${stdenv.system}-musl-gcc" ''${lib.getDev musl}/bin/musl-gcc "$@"'')
+    (writeShellScriptBin "${stdenv.hostPlatform.system}-musl-gcc" ''${lib.getDev musl}/bin/musl-gcc "$@"'')
   ]);
 
   withNativeImageSvm = builtins.elem "native-image-installable-svm" platform.products;
@@ -169,8 +169,6 @@ let
     outputs = [ "out" "lib" ];
 
     installPhase = ''
-      # ensure that $lib/lib exists to avoid breaking builds
-      mkdir -p $lib/lib
       # jni.h expects jni_md.h to be in the header search path.
       ln -s $out/include/linux/*_md.h $out/include/
 
@@ -181,25 +179,26 @@ let
         if [ -z "\''${JAVA_HOME-}" ]; then export JAVA_HOME=$out; fi
       EOF
       ${
-      lib.optionalString (stdenv.isLinux) ''
-        # provide libraries needed for static compilation
-        ${
-          if useMusl then
-            "for f in ${musl.stdenv.cc.cc}/lib/* ${musl}/lib/* ${zlib.static}/lib/*; do"
-          else
-            "for f in ${glibc}/lib/* ${glibc.static}/lib/* ${zlib.static}/lib/*; do"
-        }
-          ln -s $f $out/lib/svm/clibraries/${platform.arch}/$(basename $f)
-        done
+        lib.optionalString (stdenv.isLinux) ''
+          # provide libraries needed for static compilation
+          ${
+            if useMusl then
+              ''for f in "${musl.stdenv.cc.cc}/lib/"* "${musl}/lib/"* "${zlib.static}/lib/"*; do''
+            else
+              ''for f in "${glibc}/lib/"* "${glibc.static}/lib/"* "${zlib.static}/lib/"*; do''
+          }
+            ln -s "$f" "$out/lib/svm/clibraries/${platform.arch}/$(basename $f)"
+          done
 
-        # add those libraries to $lib output too, so we can use them with
-        # `native-image -H:CLibraryPath=''${lib.getLib graalvmXX-ce}/lib ...` and reduce
-        # closure size by not depending on GraalVM $out (that is much bigger)
-        mkdir -p $lib/lib
-        for f in ${glibc}/lib/*; do
-          ln -s $f $lib/lib/$(basename $f)
-        done
-      ''
+          # add those libraries to $lib output too, so we can use them with
+          # `native-image -H:CLibraryPath=''${lib.getLib graalvmXX-ce}/lib ...` and reduce
+          # closure size by not depending on GraalVM $out (that is much bigger)
+          # we always use glibc here, since musl is only supported for static compilation
+          mkdir -p "$lib/lib"
+          for f in "${glibc}/lib/"*; do
+            ln -s "$f" "$lib/lib/$(basename $f)"
+          done
+        ''
       }
     '';
 
@@ -210,17 +209,11 @@ let
     autoPatchelfIgnoreMissingDeps = withRubySvm && stdenv.isDarwin;
 
     preFixup = lib.optionalString (stdenv.isLinux) ''
-      # We cannot use -exec since wrapProgram is a function but not a
-      # command.
-      #
-      # jspawnhelper is executed from JVM, so it doesn't need to wrap it,
-      # and it breaks building OpenJDK (#114495).
-      for bin in $( find "$out" -executable -type f -not -path '*/languages/ruby/lib/gems/*' -not -name jspawnhelper ); do
-        if patchelf --print-interpreter "$bin" &> /dev/null || head -n 1 "$bin" | grep '^#!' -q; then
-          wrapProgram "$bin" \
-            --prefix LD_LIBRARY_PATH : "${runtimeLibraryPath}" \
-            --prefix PATH : "${runtimeDependencies}"
-        fi
+      # Find all executables in any directory that contains '/bin/'
+      for bin in $(find "$out" -executable -type f -wholename '*/bin/*'); do
+        wrapProgram "$bin" \
+          --prefix LD_LIBRARY_PATH : "${runtimeLibraryPath}" \
+          --prefix PATH : "${runtimeDependencies}"
       done
 
       find "$out" -name libfontmanager.so -exec \