From cadbca8a6fa50b3eba23ac1f53a1e0d780211f49 Mon Sep 17 00:00:00 2001
From: Kirill Elagin <kirelagin@gmail.com>
Date: Sat, 17 May 2014 16:15:19 +0400
Subject: [PATCH] openjpeg: provide .pc

---
 pkgs/development/libraries/openjpeg/default.nix | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/openjpeg/default.nix b/pkgs/development/libraries/openjpeg/default.nix
index 75999f18d62c..979812184781 100644
--- a/pkgs/development/libraries/openjpeg/default.nix
+++ b/pkgs/development/libraries/openjpeg/default.nix
@@ -15,7 +15,21 @@ stdenv.mkDerivation rec {
   nativebuildInputs = [ pkgconfig ];
   propagatedBuildInputs = [ libpng libtiff lcms ]; # in closure anyway
 
-  postInstall = glib.flattenInclude;
+  postInstall = glib.flattenInclude + ''
+    mkdir -p "$out/lib/pkgconfig"
+    cat >"$out/lib/pkgconfig/libopenjp2.pc" <<EOF
+    prefix=$out
+    libdir=$out/lib
+    includedir=$out/include
+
+    Name: openjp2
+    Description: JPEG2000 library (Part 1 and 2)
+    URL: http://www.openjpeg.org/
+    Version: @OPENJPEG_VERSION@
+    Libs: -L$out/lib -lopenjp2
+    Cflags: -I$out/include
+    EOF
+  '';
 
   meta = {
     homepage = http://www.openjpeg.org/;