cmake: add check-pc-files hook to check broken pc files

see nixpkgs pr 172150

pkgs/development/tools/build-managers/cmake/check-pc-files-hook.sh

@@ -0,0 +1,18 @@
+cmakePcfileCheckPhase() {
+    while IFS= read -rd $'\0' file; do
+        grepout=$(grep --line-number '}//nix/store' "$file" || true)
+        if [ -n "$grepout" ]; then
+            {
+            echo "Broken paths found in a .pc file! $file"
+            echo "The following lines have issues (specifically '//' in paths)."
+            echo "$grepout"
+            echo "It is very likely that paths are being joined improperly."
+            echo 'ex: "${prefix}/@CMAKE_INSTALL_LIBDIR@" should be "@CMAKE_INSTALL_FULL_LIBDIR@"'
+            echo "Please see https://github.com/NixOS/nixpkgs/issues/144170 for more details."
+            exit 1
+            } 1>&2
+        fi
+    done < <(find "${!outputDev}" -iname "*.pc" -print0)
+}
+
+postFixupHooks+=(cmakePcfileCheckPhase)

pkgs/development/tools/build-managers/cmake/default.nix

@@ -61,13 +61,15 @@ stdenv.mkDerivation rec {
   outputs = [ "out" ] ++ lib.optionals buildDocs [ "man" "info" ];
   setOutputFlags = false;
 
-  setupHook = ./setup-hook.sh;
+  setupHooks = [
+    ./setup-hook.sh
+    ./check-pc-files-hook.sh
+  ];
 
   depsBuildBuild = [ buildPackages.stdenv.cc ];
 
-  nativeBuildInputs = [
+  nativeBuildInputs = setupHooks ++ [
     pkg-config
-    setupHook
   ]
   ++ lib.optionals buildDocs [ texinfo ]
   ++ lib.optionals qt5UI [ wrapQtAppsHook ];