build: Use better config-musl target - scc - simple c99 compiler
HTML git clone git://git.simple-cc.org/scc
DIR Log
DIR Files
DIR Refs
DIR Submodules
DIR README
DIR LICENSE
---
DIR commit 42b50c811c8ad0f6db4fca6088bc67f33cce224e
DIR parent 5042ac1a04b0b0e797f20fb56d9e377870d513c7
HTML Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date: Mon, 16 Feb 2026 16:53:25 +0100
build: Use better config-musl target
The config-musl target was a helper to make easier to configure scc
with a musl external libc, but it failed in native musl distributions
like for example alpine. This new target is expected to be more robust
and work in native and non native distributions.
Diffstat:
M Makefile | 7 +------
M README | 2 +-
M include/scc/bits/scc/sys-musl.h | 11 ++++++-----
A scripts/muslcfg | 17 +++++++++++++++++
4 files changed, 25 insertions(+), 12 deletions(-)
---
DIR diff --git a/Makefile b/Makefile
@@ -31,12 +31,7 @@ config: scripts/scc-make FORCE
@$(SCCMAKE) -f main.mk config
config-musl: scripts/scc-make FORCE
- $(SCCMAKE) LIBPROFILE=musl config
- gcc -v 2>&1 |\
- sed -En '/COLLECT_LTO_WRAPPER=/ s/.*=(.*)\/lto-wrapper/\1/p' |\
- (read -r path; \
- printf "g/define GCCLIBPATH/ s@.*@#define GCCLIBPATH \"$$path/\"@\nw\n") |\
- ed -s include/scc/bits/scc/sys.h
+ scripts/muslcfg
clean: FORCE
touch config.mk
DIR diff --git a/README b/README
@@ -256,7 +256,7 @@ programs. Scc includes a template that can be used to use a musl libc
compiled by gcc, and to make easier to get the correct values it also
provides a specific target to configure scc for a correct support for musl:
- $ make LIBPREFIX=/usr/local/musl config-musl
+ $ make config-musl
$ make
$ make install
DIR diff --git a/include/scc/bits/scc/sys-musl.h b/include/scc/bits/scc/sys-musl.h
@@ -1,15 +1,16 @@
#define LDBIN "ld"
#define ASBIN "as"
+/* configure below your system linker command line */
+#define GCCLIBPATH "/usr/lib/gcc/x86_64-unknown-linux-gnu/10.2/"
+
/* configure below your standard sys include paths */
char *sysincludes[] = {
+ LIBPREFIX "/include",
"%p/include/",
NULL
};
-/* configure below your system linker command line */
-#define GCCLIBPATH "/usr/lib/gcc/x86_64-unknown-linux-gnu/10.2/"
-
char *ldcmd[] = {
"-static",
"-z","nodefaultlib",
@@ -19,9 +20,9 @@ char *ldcmd[] = {
"-L",GCCLIBPATH,
"%p/lib/Scrt1.o",
"%p/lib/crti.o",
- GCCLIBPATH "crtbeginS.o",
+ GCCLIBPATH "/crtbeginS.o",
"%c",
- GCCLIBPATH "crtendS.o",
+ GCCLIBPATH "/crtendS.o",
"%p/lib/crtn.o",
"-lc",
"-lgcc",
DIR diff --git a/scripts/muslcfg b/scripts/muslcfg
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+gcc -v 2>&1 |
+ tr ' ' '\n' |
+ sed -En '
+ /COLLECT_LTO_WRAPPER/ s@.*(gcc.*)/lto-wrapper@path=\1@p
+ /--prefix=/ s/^--//p
+ $ a\
+gcclibpath=\\"$prefix/lib/$path\\"\
+libprefix=$prefix\
+${SCCMAKE-make} LIBPREFIX=$prefix LIBPROFILE=musl config \
+(printf "g/define GCCLIBPATH/ s@.*@#define GCCLIBPATH $gcclibpath@\\n"\
+ printf "g/LIBPREFIX/ s@@\\"$prefix\\"@\\nw\\n") |\
+ed -s include/scc/bits/scc/sys.h\
+printf "g/LIBPREFIX/ s@=.*@=$prefix@\\nw\\n" |\
+ed -s config.mk
+' | sh