diff options
| -rw-r--r-- | configure.in | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/configure.in b/configure.in index 8ec776f65..841e64520 100644 --- a/configure.in +++ b/configure.in @@ -749,7 +749,20 @@ AC_CHECK_FUNCS( socket \ dlopen \ utime \ sigsetjmp \ - poll + poll, +dnl if found +[], +dnl if not found, $ac_func is the name we check for + func="$ac_func" + AC_MSG_CHECKING([deeper for $func]) + AC_TRY_LINK( [], + [ $func ();], + AC_MSG_RESULT(yes!) + def=`echo "HAVE_$func" | tr 'a-z' 'A-Z'` + AC_DEFINE($def, 1, [If you have $func]), + AC_MSG_RESULT(but still no) + ) + ) dnl sigsetjmp() might be a macro and no function so if it isn't found already |