From 0acb5e2466b2638aef1f27344564536b0b7435ec Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Mon, 8 May 2023 20:17:26 +0300
Subject: [PATCH 1/2] gnatcoll-core: fix build on x86_64-darwin

---
 .../gprbuild/gpr-project-path-hook.sh               | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/pkgs/development/tools/build-managers/gprbuild/gpr-project-path-hook.sh b/pkgs/development/tools/build-managers/gprbuild/gpr-project-path-hook.sh
index f98b2ab9e58d..bd562b925e22 100644
--- a/pkgs/development/tools/build-managers/gprbuild/gpr-project-path-hook.sh
+++ b/pkgs/development/tools/build-managers/gprbuild/gpr-project-path-hook.sh
@@ -6,3 +6,16 @@ addAdaObjectsPath() {
 }
 
 addEnvHooks "$targetOffset" addAdaObjectsPath
+
+fixDarwinRpath() {
+    for f in $(find $out -type f -executable); do
+        install_name_tool -id $f $f || true
+        for rpath in $(otool -L $f | grep rpath | awk '{print $1}'); do
+            install_name_tool -change $rpath $out/lib/$(basename $rpath) $f || true
+        done
+    done
+}
+
+if [ "$(uname)" = "Darwin" ]; then
+    preFixupPhases+=" fixDarwinRpath"
+fi

From 561c6f2b6cbd3dff2d40571889c1ca1cece3a70f Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Mon, 8 May 2023 21:07:04 +0300
Subject: [PATCH 2/2] gnatcoll-python3: fix build on x86_64-darwin

---
 pkgs/development/libraries/ada/gnatcoll/bindings.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/libraries/ada/gnatcoll/bindings.nix b/pkgs/development/libraries/ada/gnatcoll/bindings.nix
index 9d22551b32a9..146bf1091a70 100644
--- a/pkgs/development/libraries/ada/gnatcoll/bindings.nix
+++ b/pkgs/development/libraries/ada/gnatcoll/bindings.nix
@@ -14,6 +14,7 @@
 , zlib
 , python3
 , ncurses
+, darwin
 }:
 
 let
@@ -48,6 +49,10 @@ stdenv.mkDerivation rec {
     python3
   ];
 
+  buildInputs = lib.optionals stdenv.isDarwin [
+    darwin.apple_sdk.frameworks.CoreFoundation
+  ];
+
   # propagate since gprbuild needs to find referenced .gpr files
   # and all dependency C libraries when statically linking a
   # downstream executable.