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[PATCH] declare abort in tsystem.h for inhibit_libc case
- From: Doug Evans <dje at sebabeach dot org>
- To: gcc-patches at gcc dot gnu dot org
- Cc: wilson at tuliptree dot org
- Date: Thu, 12 Jun 2003 23:38:52 -0700 (PDT)
- Subject: [PATCH] declare abort in tsystem.h for inhibit_libc case
This patch adds a declaration for abort to remove libgcc2 build warnings
when compiling with inhibit_libc.
./xgcc -B./ -B/home/dje/gnu/rel/play/m32r-elf/bin/ -isystem /home/dje/gnu/rel/play/m32r-elf/include -isystem /home/dje/gnu/rel/play/m32r-elf/sys-include -L/samantha/gnu-build/m32r/bgcc/gcc/../ld -O2 -DIN_GCC -DCROSS_COMPILE -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -isystem ./include -G 0 -g -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I. -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/config -I../../gcc/gcc/../include -msdata=sdata -DL_addvsi3 -c ../../gcc/gcc/libgcc2.c -o libgcc/./_addvsi3.o
../../gcc/gcc/libgcc2.c: In function `__addvsi3':
../../gcc/gcc/libgcc2.c:87: warning: implicit declaration of function `abort'
[...]
2003-06-12 Doug Evans <dje@sebabeach.org>
* tsystem.h (abort): Declare in inhibit_libc case to remove build
warnings for addvsi3, et.al.
Index: tsystem.h
===================================================================
RCS file: /cvs/gcc/gcc/gcc/tsystem.h,v
retrieving revision 1.9
diff -u -p -r1.9 tsystem.h
--- tsystem.h 22 Apr 2003 17:21:04 -0000 1.9
+++ tsystem.h 13 Jun 2003 06:30:14 -0000
@@ -58,6 +58,10 @@ extern void free (void *);
extern int atexit (void (*)(void));
#endif
+#ifndef abort
+extern void abort (void) __attribute__ ((__noreturn__));
+#endif
+
#else /* ! inhibit_libc */
/* We disable this when inhibit_libc, so that gcc can still be built without
needing header files first. */