1 files changed, 19 insertions, 0 deletions
diff --git a/config/cc-define.sh b/config/cc-define.sh
new file mode 100755
index 0000000..edb5c87
--- /dev/null
+++ b/config/cc-define.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# Copyright © Tavian Barnes <tavianator@tavianator.com>
+# SPDX-License-Identifier: 0BSD
+
+# Output a C preprocessor definition based on whether a C source file could be
+# compiled successfully
+
+set -eu
+
+SLUG="${1#config/}"
+SLUG="${SLUG%.c}"
+MACRO="BFS_HAS_$(printf '%s' "$SLUG" | tr 'a-z-' 'A-Z_')"
+
+if config/cc.sh "$1"; then
+    printf '#define %s true\n' "$MACRO"
+else
+    printf '#define %s false\n' "$MACRO"
+fi