dnl system system header files and warns about them with -Wall. Try
dnl to test for that generally, though still with gcc.
if test "$GCC" = yes; then
- AC_CACHE_CHECK([whether we can use -ansi with linker],
- [nmh_cv_has_dash_ansi_with_linker],
- [nmh_saved_ldflags="$LDFLAGS"
- LDFLAGS="-ansi -pedantic-errors"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <time.h>],[tzset();])],
- [nmh_cv_has_dash_ansi_with_linker=yes],
- [nmh_cv_has_dash_ansi_with_linker=no])
- LDFLAGS="$nmh_saved_ldflags"])
-
- dnl Can't use -ansi with the linker on FreeBSD 10. If -ansi can't
- dnl be used with the linker, don't try to put it in CFLAGS.
- if test "$nmh_cv_has_dash_ansi_with_linker" = yes; then
AC_CACHE_CHECK([whether we can use -ansi with gcc], [nmh_cv_has_dash_ansi],
[nmh_saved_cppflags="$CPPFLAGS"
nmh_saved_cflags="$CFLAGS"
else
nmh_cv_has_dash_ansi=no
fi
-else
- nmh_cv_has_dash_ansi=no
-fi
dnl if the user hasn't specified CFLAGS, then
dnl if compiler is gcc, then