diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/getgroups.m4 | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/m4/getgroups.m4 b/m4/getgroups.m4 index bd7642870..c1e8dbf1e 100644 --- a/m4/getgroups.m4 +++ b/m4/getgroups.m4 @@ -10,22 +10,27 @@ dnl AC_DEFUN(jm_FUNC_GETGROUPS, [AC_REQUIRE([AC_TYPE_GETGROUPS])dnl AC_REQUIRE([AC_TYPE_SIZE_T])dnl - AC_CACHE_CHECK([for working getgroups], jm_cv_func_working_getgroups, - [AC_TRY_RUN([ - int - main () - { - /* On Ultrix 4.3, getgroups (0, 0) always fails. */ - exit (getgroups (0, 0) == -1 ? 1 : 0); - } - ], - jm_cv_func_working_getgroups=yes, - jm_cv_func_working_getgroups=no, - dnl When crosscompiling, assume getgroups is broken. - jm_cv_func_working_getgroups=no) - ]) - if test $jm_cv_func_working_getgroups = no; then - LIBOBJS="$LIBOBJS getgroups.o" - AC_DEFINE_UNQUOTED(getgroups, rpl_getgroups) + AC_CHECK_FUNCS(getgroups) + # Run the program to test the functionality of the system-supplied + # getgroups function only if there is such a function. + if test $ac_cv_func_getgroups = yes; then + AC_CACHE_CHECK([for working getgroups], jm_cv_func_working_getgroups, + [AC_TRY_RUN([ + int + main () + { + /* On Ultrix 4.3, getgroups (0, 0) always fails. */ + exit (getgroups (0, 0) == -1 ? 1 : 0); + } + ], + jm_cv_func_working_getgroups=yes, + jm_cv_func_working_getgroups=no, + dnl When crosscompiling, assume getgroups is broken. + jm_cv_func_working_getgroups=no) + ]) + if test $jm_cv_func_working_getgroups = no; then + LIBOBJS="$LIBOBJS getgroups.o" + AC_DEFINE_UNQUOTED(getgroups, rpl_getgroups) + fi fi ]) |