diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/curl-functions.m4 | 91 |
1 files changed, 90 insertions, 1 deletions
diff --git a/m4/curl-functions.m4 b/m4/curl-functions.m4 index ec57b5423..6cc49f13c 100644 --- a/m4/curl-functions.m4 +++ b/m4/curl-functions.m4 @@ -21,7 +21,7 @@ #*************************************************************************** # File version for 'aclocal' use. Keep it a single number. -# serial 65 +# serial 66 dnl CURL_INCLUDES_ARPA_INET @@ -5624,6 +5624,95 @@ AC_DEFUN([CURL_CHECK_FUNC_SOCKET], [ ]) +dnl CURL_CHECK_FUNC_SOCKETPAIR +dnl ------------------------------------------------- +dnl Verify if socketpair is available, prototyped, and +dnl can be compiled. If all of these are true, and +dnl usage has not been previously disallowed with +dnl shell variable curl_disallow_socketpair, then +dnl HAVE_SOCKETPAIR will be defined. + +AC_DEFUN([CURL_CHECK_FUNC_SOCKETPAIR], [ + AC_REQUIRE([CURL_INCLUDES_SYS_SOCKET])dnl + AC_REQUIRE([CURL_INCLUDES_SOCKET])dnl + # + tst_links_socketpair="unknown" + tst_proto_socketpair="unknown" + tst_compi_socketpair="unknown" + tst_allow_socketpair="unknown" + # + AC_MSG_CHECKING([if socketpair can be linked]) + AC_LINK_IFELSE([ + AC_LANG_FUNC_LINK_TRY([socketpair]) + ],[ + AC_MSG_RESULT([yes]) + tst_links_socketpair="yes" + ],[ + AC_MSG_RESULT([no]) + tst_links_socketpair="no" + ]) + # + if test "$tst_links_socketpair" = "yes"; then + AC_MSG_CHECKING([if socketpair is prototyped]) + AC_EGREP_CPP([socketpair],[ + $curl_includes_sys_socket + $curl_includes_socket + ],[ + AC_MSG_RESULT([yes]) + tst_proto_socketpair="yes" + ],[ + AC_MSG_RESULT([no]) + tst_proto_socketpair="no" + ]) + fi + # + if test "$tst_proto_socketpair" = "yes"; then + AC_MSG_CHECKING([if socketpair is compilable]) + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([[ + $curl_includes_sys_socket + $curl_includes_socket + ]],[[ + int sv[2]; + if(0 != socketpair(0, 0, 0, sv)) + return 1; + ]]) + ],[ + AC_MSG_RESULT([yes]) + tst_compi_socketpair="yes" + ],[ + AC_MSG_RESULT([no]) + tst_compi_socketpair="no" + ]) + fi + # + if test "$tst_compi_socketpair" = "yes"; then + AC_MSG_CHECKING([if socketpair usage allowed]) + if test "x$curl_disallow_socketpair" != "xyes"; then + AC_MSG_RESULT([yes]) + tst_allow_socketpair="yes" + else + AC_MSG_RESULT([no]) + tst_allow_socketpair="no" + fi + fi + # + AC_MSG_CHECKING([if socketpair might be used]) + if test "$tst_links_socketpair" = "yes" && + test "$tst_proto_socketpair" = "yes" && + test "$tst_compi_socketpair" = "yes" && + test "$tst_allow_socketpair" = "yes"; then + AC_MSG_RESULT([yes]) + AC_DEFINE_UNQUOTED(HAVE_SOCKETPAIR, 1, + [Define to 1 if you have the socketpair function.]) + ac_cv_func_socketpair="yes" + else + AC_MSG_RESULT([no]) + ac_cv_func_socketpair="no" + fi +]) + + dnl CURL_CHECK_FUNC_STRCASECMP dnl ------------------------------------------------- dnl Verify if strcasecmp is available, prototyped, and |