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Tue Apr 18 14:00:19 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>

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* configure.in (libc_cv_asm_global_directive): New check to define
 	ASM_GLOBAL_DIRECTIVE.
	* config.h.in: Add #undef ASM_GLOBAL_DIRECTIVE.

	* sysdeps/unix/make_errlist.c (main): Don't generate "#ifdef
 	HAVE_WEAK_SYMBOLS" #defns.
This commit is contained in:
Roland McGrath 1995-04-18 20:16:50 +00:00
parent 2657da50f0
commit 65b3cbcba7
3 changed files with 36 additions and 1 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
Tue Apr 18 14:00:19 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* configure.in (libc_cv_asm_global_directive): New check to define
ASM_GLOBAL_DIRECTIVE.
* config.h.in: Add #undef ASM_GLOBAL_DIRECTIVE.
* sysdeps/unix/make_errlist.c (main): Don't generate "#ifdef
HAVE_WEAK_SYMBOLS" #defns.
Mon Apr 17 12:02:49 1995 Brendan Kehoe (brendan@zen.org)
* sysdeps/alpha/strlen.c (strlen): Fix cmpbge insn, and returning

4
config.h.in
View File

@ -17,6 +17,10 @@
/* Define if the assembler supports the `.set' directive. */
#undef HAVE_ASM_SET_DIRECTIVE
/* Define to the name of the assembler's directive for
declaring a symbol global (default `.globl'). */
#undef ASM_GLOBAL_DIRECTIVE
/* ELF has weak symbols, and with GNU ld a.out does too. */
#ifndef HAVE_WEAK_SYMBOLS
#if defined (HAVE_ELF) || defined (HAVE_GNU_LD)

24
configure.in
View File

@ -351,12 +351,34 @@ if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
else
libc_cv_asm_set_directive=no
fi
rm -f contest*])
rm -f conftest*])
AC_MSG_RESULT($libc_cv_asm_set_directive)
if test $libc_cv_asm_set_directive = yes; then
AC_DEFINE(HAVE_ASM_SET_DIRECTIVE)
fi
AC_MSG_CHECKING(for assembler global-symbol directive)
AC_CACHE_VAL(libc_cv_asm_global_directive, [dnl
libc_cv_asm_global_directive=UNKNOWN
for ac_globl in .globl .global; do
cat > conftest.s <<EOF
.text
${ac_globl} foo
foo: .long 0
EOF
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
libc_cv_asm_global_directive=${ac_globl}
fi
rm -f conftest*
test $libc_cv_asm_global_directive != UNKNOWN && break
done])
AC_MSG_RESULT($libc_cv_asm_global_directive)
if test $libc_cv_asm_global_directive = UNKNOWN; then
AC_MSG_ERROR(cannot determine asm global directive)
else
AC_DEFINE_UNQUOTED(ASM_GLOBAL_DIRECTIVE, ${libc_cv_asm_global_directive})
fi
# sysdeps configure fragments may set these with files to be linked below.
libc_link_dests=