diff options
author | Kevin P. Fleming <kpfleming@digium.com> | 2008-10-20 04:59:04 +0000 |
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committer | Kevin P. Fleming <kpfleming@digium.com> | 2008-10-20 04:59:04 +0000 |
commit | 3d67e2adeabf663491afdaf3e233e04256f48c41 (patch) | |
tree | 0ec85d50e9f71c64d80d2ea17a8b48ee8b2883cd /autoconf/ast_func_fork.m4 | |
parent | 3ebf483d2d95a4278b4013f8a16bdd00c44647d9 (diff) |
Merged revisions 151240 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4
........
r151240 | kpfleming | 2008-10-20 07:45:56 +0300 (Mon, 20 Oct 2008) | 3 lines
break up acinclude.m4 into individual files, which will make it easier to maintain, easier to add new macros (less patching) and will ease maintenance of these macros across Asterisk branches
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@151242 65c4cc65-6c06-0410-ace0-fbb531ad65f3
Diffstat (limited to 'autoconf/ast_func_fork.m4')
-rw-r--r-- | autoconf/ast_func_fork.m4 | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/autoconf/ast_func_fork.m4 b/autoconf/ast_func_fork.m4 new file mode 100644 index 000000000..37bf0c397 --- /dev/null +++ b/autoconf/ast_func_fork.m4 @@ -0,0 +1,59 @@ +# 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* | *-*-linux-uclibc* ) + # 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 |