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| author | Tavian Barnes <tavianator@tavianator.com> | 2024-04-18 15:27:27 -0400 |
|---|---|---|
| committer | Tavian Barnes <tavianator@tavianator.com> | 2024-04-19 15:50:45 -0400 |
| commit | 0035cc4ff492cab91adeb49d0c577fe5982064bd (patch) | |
| tree | 6fcd6b48b00ceb4ae696a5a3d9d03e23c9676a70 /config/header.mk | |
| parent | d7d5e1c474e4e110172b7180de9c41e5ebbf93f6 (diff) | |
| download | bfs-0035cc4ff492cab91adeb49d0c577fe5982064bd.tar.xz | |
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?
Diffstat (limited to 'config/header.mk')
| -rw-r--r-- | config/header.mk | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/config/header.mk b/config/header.mk new file mode 100644 index 0000000..3a1271e --- /dev/null +++ b/config/header.mk @@ -0,0 +1,38 @@ +# Copyright © Tavian Barnes <tavianator@tavianator.com> +# SPDX-License-Identifier: 0BSD + +# Makefile that generates gen/config.h + +include config/prelude.mk +include ${GEN}/config.mk +include config/exports.mk + +# All header fragments we generate +HEADERS := \ + ${GEN}/getprogname.h \ + ${GEN}/getprogname-gnu.h + +${GEN}/config.h: ${HEADERS} + ${MSG} "[ GEN] ${TGT}" + printf '// %s\n' "${TGT}" >$@ + printf '#ifndef BFS_CONFIG_H\n' >>$@ + printf '#define BFS_CONFIG_H\n' >>$@ + cat ${.ALLSRC} >>$@ + printf '#endif // BFS_CONFIG_H\n' >>$@ + cat ${.ALLSRC:%=%.log} >$@.log + ${RM} ${.ALLSRC} ${.ALLSRC:%=%.log} + ${VCAT} $@ +.PHONY: ${GEN}/config.h + +# The C source file to attempt to compile +CSRC = ${@:${GEN}/%.h=config/%.c} + +${HEADERS}:: + config/cc-define.sh ${CSRC} >$@ 2>$@.log + if ! [ "${IS_V}" ]; then \ + if grep -q 'true$$' $@; then \ + printf '[ CC ] %-${MSG_WIDTH}s ✔\n' ${CSRC}; \ + else \ + printf '[ CC ] %-${MSG_WIDTH}s ✘\n' ${CSRC}; \ + fi; \ + fi |