From 7daac927676b499dbe7e92d987a1730ad7ce647d Mon Sep 17 00:00:00 2001
From: sternenseemann <0rpkxez4ksa01gb3typccl0i@systemli.org>
Date: Sun, 23 Aug 2020 23:41:50 +0200
Subject: [PATCH] utf8proc: install pkg-config file (#96087)

---
 pkgs/development/libraries/utf8proc/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/libraries/utf8proc/default.nix b/pkgs/development/libraries/utf8proc/default.nix
index 00c09179f1f..e08aea2e1ee 100644
--- a/pkgs/development/libraries/utf8proc/default.nix
+++ b/pkgs/development/libraries/utf8proc/default.nix
@@ -17,6 +17,12 @@ stdenv.mkDerivation rec {
     "-DBUILD_SHARED_LIBS=ON"
   ];
 
+  # the pkg-config file is not created in the cmake installation
+  # process, so we use the Makefile and install it manually
+  # see https://github.com/JuliaStrings/utf8proc/issues/198
+  preConfigure = "make libutf8proc.pc prefix=$out";
+  postInstall = "install -Dm644 ../libutf8proc.pc -t $out/lib/pkgconfig/";
+
   meta = with stdenv.lib; {
     description = "A clean C library for processing UTF-8 Unicode data";
     homepage = "https://juliastrings.github.io/utf8proc/";