From 0035cc4ff492cab91adeb49d0c577fe5982064bd Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
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/config.mk | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'config/config.mk')

diff --git a/config/config.mk b/config/config.mk
index 5a6f8d2..5750b49 100644
--- a/config/config.mk
+++ b/config/config.mk
@@ -6,6 +6,10 @@
 include config/prelude.mk
 include config/exports.mk
 
+# All configuration steps
+config: ${CONFIG} ${GEN}/config.h
+.PHONY: config
+
 # Makefile fragments generated by `make config`
 MKS := \
     ${GEN}/vars.mk \
@@ -17,7 +21,7 @@ MKS := \
 ${CONFIG}: ${MKS}
 	${MSG} "[ GEN] ${TGT}"
 	@printf '# %s\n' "${TGT}" >$@
-	@printf 'include $${GEN}/%s\n' ${.ALLSRC:${GEN}/%=%} >>$@
+	@printf 'include $${GEN}/%s\n' ${MKS:${GEN}/%=%} >>$@
 	${VCAT} ${CONFIG}
 .PHONY: ${CONFIG}
 
@@ -67,3 +71,8 @@ ${GEN}/pkgs.mk: ${PKG_MKS}
 ${PKG_MKS}: ${GEN}/flags.mk
 	@+${MAKE} -sf config/pkg.mk TARGET=$@
 .PHONY: ${PKG_MKS}
+
+# Compile-time feature detection
+${GEN}/config.h: ${CONFIG}
+	@+${MAKE} -sf config/header.mk $@
+.PHONY: ${GEN}/config.h
-- 
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