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author | Alon Bar-Lev <alon.barlev@gmail.com> | 2012-02-29 22:11:52 +0200 |
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committer | David Sommerseth <davids@redhat.com> | 2012-03-22 22:07:07 +0100 |
commit | 0fc5b8b3390797b67bc48036649109a78f36a186 (patch) | |
tree | 0ac132ca273c76f11d8407639e093184befa01f9 /m4/ax_socklen_t.m4 | |
parent | d313dc950308d960f550279a69f445e712244beb (diff) | |
download | openvpn-0fc5b8b3390797b67bc48036649109a78f36a186.tar.gz openvpn-0fc5b8b3390797b67bc48036649109a78f36a186.tar.xz openvpn-0fc5b8b3390797b67bc48036649109a78f36a186.zip |
build: split acinclude.m4 into m4/*
ax_emptyarray.m4 ax_openvpn_lib.m4 ax_socklen_t.m4 ax_varargs.m4
Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>
Acked-by: Adriaan de Jong <dejong@fox-it.com>
Signed-off-by: David Sommerseth <davids@redhat.com>
Diffstat (limited to 'm4/ax_socklen_t.m4')
-rw-r--r-- | m4/ax_socklen_t.m4 | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/m4/ax_socklen_t.m4 b/m4/ax_socklen_t.m4 new file mode 100644 index 0000000..70ddcc2 --- /dev/null +++ b/m4/ax_socklen_t.m4 @@ -0,0 +1,50 @@ +dnl -- The following is taken from curl's acinclude.m4 -- +dnl Check for socklen_t: historically on BSD it is an int, and in +dnl POSIX 1g it is a type of its own, but some platforms use different +dnl types for the argument to getsockopt, getpeername, etc. So we +dnl have to test to find something that will work. +AC_DEFUN([TYPE_SOCKLEN_T], +[ + AC_CHECK_TYPE([socklen_t], ,[ + AC_MSG_CHECKING([for socklen_t equivalent]) + AC_CACHE_VAL([curl_cv_socklen_t_equiv], + [ + case "$host" in + *-mingw*) curl_cv_socklen_t_equiv=int ;; + *) + # Systems have either "struct sockaddr *" or + # "void *" as the second argument to getpeername + curl_cv_socklen_t_equiv= + for arg2 in "struct sockaddr" void; do + for t in int size_t unsigned long "unsigned long"; do + AC_TRY_COMPILE([ + #include <sys/types.h> + #include <sys/socket.h> + + int getpeername (int, $arg2 *, $t *); + ],[ + $t len; + getpeername(0,0,&len); + ],[ + curl_cv_socklen_t_equiv="$t" + break + ]) + done + done + ;; + esac + + if test "x$curl_cv_socklen_t_equiv" = x; then + AC_MSG_ERROR([Cannot find a type to use in place of socklen_t]) + fi + ]) + AC_MSG_RESULT($curl_cv_socklen_t_equiv) + AC_DEFINE_UNQUOTED(socklen_t, $curl_cv_socklen_t_equiv, + [type to use in place of socklen_t if not defined])], + [#include <sys/types.h> +#ifdef WIN32 +#include <ws2tcpip.h> +#else +#include <sys/socket.h> +#endif]) +]) |