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authorTavian Barnes <tavianator@tavianator.com>2024-04-26 17:42:44 -0400
committerTavian Barnes <tavianator@tavianator.com>2024-04-26 17:43:54 -0400
commite061b6da5ee46a334169d4e6a52e49857ae22f55 (patch)
tree54be48f77a01ef3dce27e2e7df812e0846ddcd12 /config/define-if.sh
parent83dd04452498408c1d46b7282ed08e9f5a1e76a8 (diff)
downloadbfs-e061b6da5ee46a334169d4e6a52e49857ae22f55.tar.xz
config: Move .c files into config/{use,has} subdirectories
Diffstat (limited to 'config/define-if.sh')
-rwxr-xr-xconfig/define-if.sh20
1 files changed, 20 insertions, 0 deletions
diff --git a/config/define-if.sh b/config/define-if.sh
new file mode 100755
index 0000000..059c1ac
--- /dev/null
+++ b/config/define-if.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright © Tavian Barnes <tavianator@tavianator.com>
+# SPDX-License-Identifier: 0BSD
+
+# Output a C preprocessor definition based on whether a command succeeds
+
+set -eu
+
+SLUG="${1#config/}"
+SLUG="${SLUG%.c}"
+MACRO="BFS_$(printf '%s' "$SLUG" | tr '/a-z-' '_A-Z_')"
+shift
+
+if "$@"; then
+ printf '#define %s true\n' "$MACRO"
+else
+ printf '#define %s false\n' "$MACRO"
+ exit 1
+fi