From ca213228f063bb8d64feb2660fbae57e6b4700d3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Sat, 19 Nov 2022 10:32:17 +0100
Subject: [PATCH] libvterm: fix cross compilation

---
 .../libraries/libvterm/default.nix            | 21 +++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/pkgs/development/libraries/libvterm/default.nix b/pkgs/development/libraries/libvterm/default.nix
index 066dcb4f34f4..f1e217f2b3e5 100644
--- a/pkgs/development/libraries/libvterm/default.nix
+++ b/pkgs/development/libraries/libvterm/default.nix
@@ -9,17 +9,26 @@ stdenv.mkDerivation rec {
     sha256 = "10gaqygmmwp0cwk3j8qflri5caf8vl3f7pwfl2svw5whv8wkn0k2";
   };
 
-  patchPhase = ''
-    sed -i -e s@/usr@$out@ -e /ldconfig/d Makefile
+  preInstall = ''
+    mkdir -p $out/include $out/lib
   '';
 
-  preInstall = ''
-    mkdir -p $out/include
-    mkdir -p $out/lib
+  postPatch = ''
+    substituteInPlace Makefile \
+      --replace "gcc" "${stdenv.cc.targetPrefix}cc" \
+      --replace "ldconfig" "" \
+      --replace "/usr" "$out"
+
+    makeFlagsArray+=("PKG_CFG=`${stdenv.cc.targetPrefix}pkg-config --cflags glib-2.0`")
   '';
 
+  # For headers
+  propagatedBuildInputs = [ glib ];
+
+  strictDeps = true;
+
   nativeBuildInputs = [ pkg-config ];
-  buildInputs = [ glib ncurses ];
+  buildInputs = [ ncurses ];
 
   meta = with lib; {
     homepage = "http://libvterm.sourceforge.net/";