pstoedit: fix pkgconfig file

bennofs · bennofs · commit 3ab280808c9e · 2017-06-30T16:36:51.000+02:00
diff --git a/pkgs/tools/graphics/pstoedit/default.nix b/pkgs/tools/graphics/pstoedit/default.nix
@@ -13,11 +13,17 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "dev" ];
   nativeBuildInputs = [ pkgconfig ];
-  buildInputs = [ zlib ghostscript imagemagick plotutils gd libjpeg libwebp ] 
+  buildInputs = [ zlib ghostscript imagemagick plotutils gd libjpeg libwebp ]
   ++ lib.optionals stdenv.isDarwin (with darwin.apple_sdk.frameworks; [
     libiconv ApplicationServices
   ]);
 
+  # '@LIBPNG_LDFLAGS@' is no longer substituted by autoconf (the code is commented out)
+  # so we need to remove it from the pkg-config file as well
+  preConfigure = ''
+    substituteInPlace config/pstoedit.pc.in --replace '@LIBPNG_LDFLAGS@' ""
+  '';
+
   meta = with stdenv.lib; {
     description = "Translates PostScript and PDF graphics into other vector formats";
     homepage = https://sourceforge.net/projects/pstoedit/;
