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abstract out compiler runtime library for linking libc.so 

this allows config.mak to override the default -lgcc for building with
other compilers such as pcc/clang/etc.
This commit is contained in:
Rich Felker 2012-08-02 21:05:43 -04:00
parent b0fc78520d
commit 1b23145e88
1 changed files with 2 additions and 1 deletions
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3
Makefile
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@ -23,6 +23,7 @@ GENH = include/bits/alltypes.h
IMPH = src/internal/stdio_impl.h src/internal/pthread_impl.h src/internal/libc.h IMPH = src/internal/stdio_impl.h src/internal/pthread_impl.h src/internal/libc.h
LDFLAGS = LDFLAGS =
LIBCC = -lgcc
CPPFLAGS = CPPFLAGS =
CFLAGS = -Os -pipe CFLAGS = -Os -pipe
CFLAGS_C99FSE = -std=c99 -ffreestanding -nostdinc CFLAGS_C99FSE = -std=c99 -ffreestanding -nostdinc
@ -91,7 +92,7 @@ include/bits/alltypes.h: include/bits/alltypes.h.sh
lib/libc.so: $(LOBJS) lib/libc.so: $(LOBJS)
$(CC) $(CFLAGS_ALL_SHARED) $(LDFLAGS) -nostdlib -shared \ $(CC) $(CFLAGS_ALL_SHARED) $(LDFLAGS) -nostdlib -shared \
-Wl,-e,_start -Wl,-Bsymbolic-functions \ -Wl,-e,_start -Wl,-Bsymbolic-functions \
-Wl,-soname=libc.so -o $@ $(LOBJS) -lgcc -Wl,-soname=libc.so -o $@ $(LOBJS) $(LIBCC)
lib/libc.a: $(OBJS) lib/libc.a: $(OBJS)
rm -f $@ rm -f $@