diff options
Diffstat (limited to 'lib/autoconf/functions.m4')
| -rw-r--r-- | lib/autoconf/functions.m4 | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/lib/autoconf/functions.m4 b/lib/autoconf/functions.m4 index a91eeebc..49aa5c58 100644 --- a/lib/autoconf/functions.m4 +++ b/lib/autoconf/functions.m4 @@ -1541,17 +1541,16 @@ rm -rf conftest* # AC_FUNC_SETPGRP # --------------- AC_DEFUN([AC_FUNC_SETPGRP], -[AC_CACHE_CHECK(whether setpgrp takes no argument, ac_cv_func_setpgrp_void, - [AC_COMPILE_IFELSE( - [AC_LANG_PROGRAM( - [[#include <unistd.h> - static int (*p) (void) = setpgrp;]], - [[return setpgrp ();]])], - [ac_cv_func_setpgrp_void=yes], - [ac_cv_func_setpgrp_void=no])]) +[AC_CACHE_CHECK(whether setpgrp requires zero arguments, + ac_cv_func_setpgrp_void, +[# Call it with two arguments. +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], [setpgrp(0, 0);])], + [ac_cv_func_setpgrp_void=no], + [ac_cv_func_setpgrp_void=yes]) +]) if test $ac_cv_func_setpgrp_void = yes; then AC_DEFINE(SETPGRP_VOID, 1, - [Define to 1 if the `setpgrp' function takes no argument.]) + [Define to 1 if the `setpgrp' function requires zero arguments.]) fi ])# AC_FUNC_SETPGRP |