musl-gcc wrapper patch

[Szabolcs Nagy <nsz@port70.net>]

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i assume the most common expectation is that the installed
musl-gcc tool uses the same compiler as the musl build was
using

at least this is what i would want for cross compilation

i guess this breaks if relative path or multiple words were
used (cc with args) in $(CC)

comments?

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From 081ea4fb4042ba5584a77f3ea492845fffa9a203 Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <nsz@port70.net>
Date: Wed, 11 Mar 2015 21:10:50 +0000
Subject: [PATCH] fix the musl-gcc wrapper to call the gcc used for the musl
 build

In case of a cross build of musl, musl-gcc should call the cross
compiler by default so it is easy to use the wrapper for cross
compilation against the newly built libc.

The REALGCC option is still there if one needs to use a different gcc.
CC consisting of multiple words is not supported (eg CC='gcc -m32').
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 8cc3de8..c87ed1c 100644
--- a/Makefile
+++ b/Makefile
@@ -144,7 +144,7 @@ lib/musl-gcc.specs: tools/musl-gcc.specs.sh config.mak
 	sh $< "$(includedir)" "$(libdir)" "$(LDSO_PATHNAME)" > $@
 
 tools/musl-gcc: config.mak
-	printf '#!/bin/sh\nexec "$${REALGCC:-gcc}" "$$@" -specs "%s/musl-gcc.specs"\n' "$(libdir)" > $@
+	printf '#!/bin/sh\nexec "$${REALGCC:-%s}" "$$@" -specs "%s/musl-gcc.specs"\n' "$(CC)" "$(libdir)" > $@
 	chmod +x $@
 
 $(DESTDIR)$(bindir)/%: tools/%
-- 
2.3.2