geos: backport patch to fix config paths

Backport an upstream patch to fix the paths in geos-config and geos.pc when
built with absolute CMAKE_INSTALL_*DIR.

pkgs/development/libraries/geos/default.nix

@@ -1,6 +1,7 @@
 { lib
 , stdenv
 , fetchurl
+, fetchpatch
 , cmake }:
 
 stdenv.mkDerivation rec {
@@ -12,13 +13,15 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-ULvFmaw4a0wrOWLcxBHwBAph8gSq7066ciXs3Qz0VxU=";
   };
 
-  nativeBuildInputs = [ cmake ];
+  patches = [
+    # Fix paths with absolute CMAKE_INSTALL_*DIR
+    (fetchpatch {
+      url = "https://github.com/libgeos/geos/commit/11faa4db672ed61d64fd8a6f1a59114f5b5f2406.patch";
+      hash = "sha256-oAArwGq91Z93C6hBPQD0AlY8Q4Nnn6tA40HUPoZ5ftc=";
+    })
+  ];
 
-  postPatch = ''
-    substituteInPlace tools/geos-config.in \
-      --replace "@libdir@" "@prefix@/lib" \
-      --replace "@includedir@" "@prefix@/include"
-  '';
+  nativeBuildInputs = [ cmake ];
 
   meta = with lib; {
     description = "C++ port of the Java Topology Suite (JTS)";