]> git.ipfire.org Git - thirdparty/git.git/blame - aclocal.m4
Merge branch 'jk/add-ignore-errors-bit-assignment-fix'
[thirdparty/git.git] / aclocal.m4
CommitLineData
e88a135b
GV
1dnl Check for socklen_t: historically on BSD it is an int, and in
2dnl POSIX 1g it is a type of its own, but some platforms use different
3dnl types for the argument to getsockopt, getpeername, etc. So we
4dnl have to test to find something that will work.
5AC_DEFUN([TYPE_SOCKLEN_T],
6[
7 AC_CHECK_TYPE([socklen_t], ,[
8 AC_MSG_CHECKING([for socklen_t equivalent])
9 AC_CACHE_VAL([git_cv_socklen_t_equiv],
10 [
11 # Systems have either "struct sockaddr *" or
12 # "void *" as the second argument to getpeername
13 git_cv_socklen_t_equiv=
14 for arg2 in "struct sockaddr" void; do
15 for t in int size_t unsigned long "unsigned long"; do
1e58dba1 16 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
e88a135b
GV
17 #include <sys/types.h>
18 #include <sys/socket.h>
19
20 int getpeername (int, $arg2 *, $t *);
21 ],[
22 $t len;
23 getpeername(0,0,&len);
1e58dba1 24 ])],[
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GV
25 git_cv_socklen_t_equiv="$t"
26 break 2
27 ])
28 done
29 done
30
31 if test "x$git_cv_socklen_t_equiv" = x; then
32 AC_MSG_ERROR([Cannot find a type to use in place of socklen_t])
33 fi
34 ])
35 AC_MSG_RESULT($git_cv_socklen_t_equiv)
36 AC_DEFINE_UNQUOTED(socklen_t, $git_cv_socklen_t_equiv,
37 [type to use in place of socklen_t if not defined])],
38 [#include <sys/types.h>
39#include <sys/socket.h>])
40])