diff options
| author | Roland McGrath <roland@gnu.org> | 1995-04-18 20:16:50 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1995-04-18 20:16:50 +0000 |
| commit | 65b3cbcba735abd13f10dfdc170ff61411003390 (patch) | |
| tree | ba356dabf248a58f6a746a788a4edb961d517a26 | |
| parent | 2657da50f0ebedb8c7bf5d51536e842b18e4775a (diff) | |
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.
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | config.h.in | 4 | ||||
| -rw-r--r-- | configure.in | 24 |
3 files changed, 36 insertions, 1 deletions
@@ -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 diff --git a/config.h.in b/config.h.in index f3a096983a..0b5a034329 100644 --- a/config.h.in +++ b/config.h.in @@ -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) diff --git a/configure.in b/configure.in index fd9aca4142..16f5b7b990 100644 --- a/configure.in +++ b/configure.in @@ -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= |