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Add a check for <unistd.h> providing a prototype for getopt() which is compatible

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with the one in include/getopt.h.  If so then define HAVE_DECL_GETOPT.
This commit is contained in:
Nick Clifton 2005-04-01 12:56:29 +00:00
parent 8a75718cb7
commit 56f366632f
4 changed files with 83 additions and 0 deletions
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8
gas/ChangeLog
View file

@ -1,3 +1,11 @@
2005-04-01 Nick Clifton <nickc@redhat.com>
* configure.in: Add a check for <unistd.h> providing a prototype
for getopt() which is compatible with the one in
include/getopt.h. If so then define HAVE_DECL_GETOPT.
* configure: Regenerate.
* config.in (HAVE_DECL_GETOPT): Add.
2005-04-01 Jan Beulich <jbeulich@novell.com>
* config/tc-i386.c (s_bss): Call obj_elf_section_change_hook.

3
gas/config.in
View file

@ -318,3 +318,6 @@
/* Define to `unsigned' if <sys/types.h> does not define. */
#undef size_t
/* Is the prototype for getopt in <unistd.h> in the expected format? */
#undef HAVE_DECL_GETOPT

62
gas/configure vendored
View file

@ -10518,6 +10518,68 @@ _ACEOF
fi
echo "$as_me:$LINENO: checking for a known getopt prototype in unistd.h" >&5
echo $ECHO_N "checking for a known getopt prototype in unistd.h... $ECHO_C" >&6
if test "${gas_cv_decl_getopt_unistd_h+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <unistd.h>
int
main ()
{
extern int getopt (int, char *const*, const char *);
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } &&
{ ac_try='test -s conftest.$ac_objext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
gas_cv_decl_getopt_unistd_h=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
gas_cv_decl_getopt_unistd_h=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $gas_cv_decl_getopt_unistd_h" >&5
echo "${ECHO_T}$gas_cv_decl_getopt_unistd_h" >&6
if test $gas_cv_decl_getopt_unistd_h = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_DECL_GETOPT 1
_ACEOF
fi
echo "$as_me:$LINENO: checking whether declaration is required for environ" >&5
echo $ECHO_N "checking whether declaration is required for environ... $ECHO_C" >&6

10
gas/configure.in
View file

@ -716,6 +716,16 @@ GAS_CHECK_DECL_NEEDED(errno, f, int f, [
#endif
])
AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
[AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
if test $gas_cv_decl_getopt_unistd_h = yes; then
AC_DEFINE([HAVE_DECL_GETOPT], 1,
[Is the prototype for getopt in <unistd.h> in the expected format?])
fi
GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)