From ce8e657451cd39c37f0a68669b5be08dc6b46101 Mon Sep 17 00:00:00 2001
From: Alexander Shpilkin <ashpilkin@gmail.com>
Date: Wed, 18 May 2022 20:41:57 +0300
Subject: [PATCH] proj: fix paths in CMake and pkg-config files

---
 pkgs/development/libraries/proj/default.nix | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/pkgs/development/libraries/proj/default.nix b/pkgs/development/libraries/proj/default.nix
index 68b47e2a2eb3..c7a316778212 100644
--- a/pkgs/development/libraries/proj/default.nix
+++ b/pkgs/development/libraries/proj/default.nix
@@ -22,6 +22,19 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-zMP+WzC65BFz8g8mF5t7toqxmxCJePysd6WJuqpe8yg=";
   };
 
+  # https://github.com/OSGeo/PROJ/issues/3206
+  postPatch = ''
+    # NB will not apply once https://github.com/OSGeo/PROJ/pull/3150 is released
+    substituteInPlace cmake/ProjUtilities.cmake \
+      --replace '$\{exec_prefix\}/$'{PROJ_LIB_SUBDIR} '$'{CMAKE_INSTALL_FULL_LIBDIR} \
+      --replace '$\{prefix\}/$'{PROJ_INCLUDE_SUBDIR} '$'{CMAKE_INSTALL_FULL_INCLUDEDIR} \
+      --replace '$\{prefix\}/$'{CMAKE_INSTALL_DATAROOTDIR} '$'{CMAKE_INSTALL_FULL_DATAROOTDIR}
+    substituteInPlace cmake/project-config.cmake.in \
+      --replace '$'{_ROOT}/@INCLUDEDIR@ @CMAKE_INSTALL_FULL_INCLUDEDIR@ \
+      --replace '$'{_ROOT}/@LIBDIR@ @CMAKE_INSTALL_FULL_LIBDIR@ \
+      --replace '$'{_ROOT}/@BINDIR@ @CMAKE_INSTALL_FULL_BINDIR@
+  '';
+
   outputs = [ "out" "dev" ];
 
   nativeBuildInputs = [ cmake pkg-config ];