1 files changed, 18 insertions, 0 deletions
diff --git a/pkgs/os-specific/bsd/netbsd/compat-setup-hook.sh b/pkgs/os-specific/bsd/netbsd/compat-setup-hook.sh
new file mode 100644
index 00000000000..d47d602e2ed
--- /dev/null
+++ b/pkgs/os-specific/bsd/netbsd/compat-setup-hook.sh
@@ -0,0 +1,18 @@
+setupCompatFlags() {
+    # The `depHostOffset` describes how the host platform of the dependencies
+    # are slid relative to the depending package. It is brought into scope of
+    # the environment hook defined as the role of the dependency being applied.
+    case $depHostOffset in
+        -1) local role='BUILD_' ;;
+        0)  local role='' ;;
+        1)  local role='TARGET_' ;;
+        *)  echo "cc-wrapper: Error: Cannot be used with $depHostOffset-offset deps" >2;
+            return 1 ;;
+    esac
+
+    export NIX_${role}LDFLAGS+=" -lnbcompat"
+    export NIX_${role}CFLAGS_COMPILE+=" -DHAVE_NBTOOL_CONFIG_H"
+    export NIX_${role}CFLAGS_COMPILE+=" -include nbtool_config.h"
+}
+
+addEnvHooks "$hostOffset" setupCompatFlags