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authorGary V. Vaughan <git@mlists.thewrittenword.com>2010-05-14 09:31:42 +0000
committerJunio C Hamano <gitster@pobox.com>2010-05-31 17:36:27 -0700
commite88a135bc55a974ea04576ccc014c5e2bdc4b892 (patch)
treebace841b2f0da79db51999ccf457e325f5b59cbc /aclocal.m4
parent5a857c74baa96c4b20cdf9cab83a77972e6560de (diff)
downloadgit-e88a135bc55a974ea04576ccc014c5e2bdc4b892.tar.gz
Some platforms lack socklen_t type
Some platforms do not have a socklen_t type declaration. Signed-off-by: Gary V. Vaughan <gary@thewrittenword.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'aclocal.m4')
-rw-r--r--aclocal.m440
1 files changed, 40 insertions, 0 deletions
diff --git a/aclocal.m4 b/aclocal.m4
new file mode 100644
index 0000000000..d399de2671
--- /dev/null
+++ b/aclocal.m4
@@ -0,0 +1,40 @@
+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([git_cv_socklen_t_equiv],
+ [
+ # Systems have either "struct sockaddr *" or
+ # "void *" as the second argument to getpeername
+ git_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 *);
+ ],[
+ $t len;
+ getpeername(0,0,&len);
+ ],[
+ git_cv_socklen_t_equiv="$t"
+ break 2
+ ])
+ done
+ done
+
+ if test "x$git_cv_socklen_t_equiv" = x; then
+ AC_MSG_ERROR([Cannot find a type to use in place of socklen_t])
+ fi
+ ])
+ AC_MSG_RESULT($git_cv_socklen_t_equiv)
+ AC_DEFINE_UNQUOTED(socklen_t, $git_cv_socklen_t_equiv,
+ [type to use in place of socklen_t if not defined])],
+ [#include <sys/types.h>
+#include <sys/socket.h>])
+])