From 0035cc4ff492cab91adeb49d0c577fe5982064bd Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Thu, 18 Apr 2024 15:27:27 -0400 Subject: config: Check for program_invocation_short_name This lets us pick it up on musl too, since there's no __MUSL__ macro. Link: https://wiki.musl-libc.org/faq#Q:-Why-is-there-no-%3Ccode%3E__MUSL__%3C/code%3E-macro? --- config/cc-define.sh | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100755 config/cc-define.sh (limited to 'config/cc-define.sh') 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 +# 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 -- cgit v1.2.3