1 files changed, 23 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/build-support/cc-wrapper/add-gnat-extra-flags.sh b/nixpkgs/pkgs/build-support/cc-wrapper/add-gnat-extra-flags.sh
new file mode 100644
index 000000000000..ceff1e4a4c4a
--- /dev/null
+++ b/nixpkgs/pkgs/build-support/cc-wrapper/add-gnat-extra-flags.sh
@@ -0,0 +1,23 @@
+# See add-flags.sh in cc-wrapper for comments.
+var_templates_list=(
+    NIX_GNATMAKE_CARGS
+)
+
+accumulateRoles
+
+for var in "${var_templates_list[@]}"; do
+    mangleVarList "$var" ${role_suffixes[@]+"${role_suffixes[@]}"}
+done
+
+# `-B@out@/bin' forces cc to use wrapped as instead of the system one.
+NIX_GNATMAKE_CARGS_@suffixSalt@="$NIX_GNATMAKE_CARGS_@suffixSalt@ -B@out@/bin/"
+
+# Only add darwin min version flag if a default darwin min version is set,
+# which is a signal that we're targetting darwin.
+if [ "@darwinMinVersion@" ]; then
+    mangleVarSingle @darwinMinVersionVariable@ ${role_suffixes[@]+"${role_suffixes[@]}"}
+
+    NIX_GNATMAKE_CARGS_@suffixSalt@="-m@darwinPlatformForCC@-version-min=${@darwinMinVersionVariable@_@suffixSalt@:-@darwinMinVersion@} $NIX_GNATMAKE_CARGS_@suffixSalt@"
+fi
+
+export NIX_GNAT_WRAPPER_EXTRA_FLAGS_SET_@suffixSalt@=1