diff options
| author | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2006-08-21 20:12:18 +0000 |
|---|---|---|
| committer | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2006-08-21 20:12:18 +0000 |
| commit | 1251c2c93407b4be04db7bc51aae16b3a61bfe05 (patch) | |
| tree | a9b38b324e925a6a6924cf5cc9c07f20e93d9fe4 /acinclude.m4 | |
| parent | 3426d30f6a3b9f88b87e19b3b9046d9cc80f071f (diff) | |
use a customized configure macro to tell the script that uCLinux does not have fork() that works
drop all startup options and code related to forking if it is not available
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@40790 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 1bd093703..b621923ef 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -115,3 +115,63 @@ if test "x$GNU_MAKE" = "xNot Found" ; then fi AC_SUBST([GNU_MAKE]) ]) + +# AST_FUNC_FORK +# ------------- +AN_FUNCTION([fork], [AST_FUNC_FORK]) +AN_FUNCTION([vfork], [AST_FUNC_FORK]) +AC_DEFUN([AST_FUNC_FORK], +[AC_REQUIRE([AC_TYPE_PID_T])dnl +AC_CHECK_HEADERS(vfork.h) +AC_CHECK_FUNCS(fork vfork) +if test "x$ac_cv_func_fork" = xyes; then + _AST_FUNC_FORK +else + ac_cv_func_fork_works=$ac_cv_func_fork +fi +if test "x$ac_cv_func_fork_works" = xcross; then + case $host in + *-*-amigaos* | *-*-msdosdjgpp* | *-*-uclinux* ) + # Override, as these systems have only a dummy fork() stub + ac_cv_func_fork_works=no + ;; + *) + ac_cv_func_fork_works=yes + ;; + esac + AC_MSG_WARN([result $ac_cv_func_fork_works guessed because of cross compilation]) +fi +ac_cv_func_vfork_works=$ac_cv_func_vfork +if test "x$ac_cv_func_vfork" = xyes; then + _AC_FUNC_VFORK +fi; +if test "x$ac_cv_func_fork_works" = xcross; then + ac_cv_func_vfork_works=$ac_cv_func_vfork + AC_MSG_WARN([result $ac_cv_func_vfork_works guessed because of cross compilation]) +fi + +if test "x$ac_cv_func_vfork_works" = xyes; then + AC_DEFINE(HAVE_WORKING_VFORK, 1, [Define to 1 if `vfork' works.]) +else + AC_DEFINE(vfork, fork, [Define as `fork' if `vfork' does not work.]) +fi +if test "x$ac_cv_func_fork_works" = xyes; then + AC_DEFINE(HAVE_WORKING_FORK, 1, [Define to 1 if `fork' works.]) +fi +])# AST_FUNC_FORK + + +# _AST_FUNC_FORK +# ------------- +AC_DEFUN([_AST_FUNC_FORK], + [AC_CACHE_CHECK(for working fork, ac_cv_func_fork_works, + [AC_RUN_IFELSE( + [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], + [ + /* By Ruediger Kuhlmann. */ + return fork () < 0; + ])], + [ac_cv_func_fork_works=yes], + [ac_cv_func_fork_works=no], + [ac_cv_func_fork_works=cross])])] +)# _AST_FUNC_FORK |