+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a known getopt prototype in unistd.h" >&5
+$as_echo_n "checking for a known getopt prototype in unistd.h... " >&6; }
+if ${sim_cv_decl_getopt_unistd_h+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <unistd.h>
+int
+main ()
+{
+extern int getopt (int, char *const*, const char *);
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ sim_cv_decl_getopt_unistd_h=yes
+else
+ sim_cv_decl_getopt_unistd_h=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $sim_cv_decl_getopt_unistd_h" >&5
+$as_echo "$sim_cv_decl_getopt_unistd_h" >&6; }
+if test $sim_cv_decl_getopt_unistd_h = yes; then
+
+$as_echo "#define HAVE_DECL_GETOPT 1" >>confdefs.h
+
+fi
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to enable maintainer-specific portions of Makefiles" >&5
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a known getopt prototype in unistd.h" >&5
-$as_echo_n "checking for a known getopt prototype in unistd.h... " >&6; }
-if ${sim_cv_decl_getopt_unistd_h+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <unistd.h>
-int
-main ()
-{
-extern int getopt (int, char *const*, const char *);
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- sim_cv_decl_getopt_unistd_h=yes
-else
- sim_cv_decl_getopt_unistd_h=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $sim_cv_decl_getopt_unistd_h" >&5
-$as_echo "$sim_cv_decl_getopt_unistd_h" >&6; }
-if test $sim_cv_decl_getopt_unistd_h = yes; then
-
-$as_echo "#define HAVE_DECL_GETOPT 1" >>confdefs.h
-
-fi
-
SIM_AC_OPTION_TRACE
SIM_AC_OPTION_WARNINGS
-AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
-AC_CACHE_VAL(sim_cv_decl_getopt_unistd_h,
-[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
-sim_cv_decl_getopt_unistd_h=yes, sim_cv_decl_getopt_unistd_h=no)])
-AC_MSG_RESULT($sim_cv_decl_getopt_unistd_h)
-if test $sim_cv_decl_getopt_unistd_h = yes; then
- AC_DEFINE([HAVE_DECL_GETOPT], 1,
- [Is the prototype for getopt in <unistd.h> in the expected format?])
-fi
-
dnl These are unfortunate. They are conditionally called by other sim macros
dnl but always used by common/Make-common.in. So we have to subst here even
dnl when the rest of the code is in the respective macros. Once we merge the
fi
AC_SUBST(READLINE_LIB)
AC_SUBST(READLINE_CFLAGS)
+
+dnl Determine whether we have a known getopt prototype in unistd.h
+dnl to make sure that we have correct getopt declaration on
+dnl include/getopt.h. The purpose of this is to sync with other Binutils
+dnl components and this logic is copied from ld/configure.ac.
+AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
+AC_CACHE_VAL(sim_cv_decl_getopt_unistd_h,
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
+sim_cv_decl_getopt_unistd_h=yes, sim_cv_decl_getopt_unistd_h=no)])
+AC_MSG_RESULT($sim_cv_decl_getopt_unistd_h)
+if test $sim_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
])