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authorAlon Bar-Lev2012-02-29 22:11:52 +0200
committerDavid Sommerseth2012-03-22 22:07:07 +0100
commit0fc5b8b3390797b67bc48036649109a78f36a186 (patch)
tree0ac132ca273c76f11d8407639e093184befa01f9 /acinclude.m4
parentd313dc950308d960f550279a69f445e712244beb (diff)
downloadopenvpn-0fc5b8b3390797b67bc48036649109a78f36a186.zip
openvpn-0fc5b8b3390797b67bc48036649109a78f36a186.tar.gz
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 'acinclude.m4')
-rw-r--r--acinclude.m4131
1 files changed, 0 insertions, 131 deletions
diff --git a/acinclude.m4 b/acinclude.m4
deleted file mode 100644
index 58e2a35..0000000
--- a/acinclude.m4
+++ /dev/null
@@ -1,131 +0,0 @@
-dnl Special Autoconf Macros for OpenVPN
-
-dnl OPENVPN_ADD_LIBS(LIB)
-AC_DEFUN([OPENVPN_ADD_LIBS], [
- LIBS="$1 $LIBS"
-])
-
-dnl @synopsis AX_EMPTY_ARRAY
-dnl
-dnl Define EMPTY_ARRAY_SIZE to be either "0"
-dnl or "" depending on which syntax the compiler
-dnl prefers for empty arrays in structs.
-dnl
-dnl @version
-dnl @author James Yonan <jim@yonan.net>
-
-
-AC_DEFUN([AX_EMPTY_ARRAY], [
- AC_MSG_RESULT([checking for C compiler empty array support])
- AC_COMPILE_IFELSE([AC_LANG_SOURCE(
- [
- struct { int foo; int bar[[0]]; } mystruct;
- ])], [
- AC_DEFINE_UNQUOTED(EMPTY_ARRAY_SIZE, 0, [Dimension to use for empty array declaration])
- ], [
- AC_COMPILE_IFELSE([AC_LANG_SOURCE(
- [
- struct { int foo; int bar[[]]; } mystruct;
- ])], [
- AC_DEFINE_UNQUOTED(EMPTY_ARRAY_SIZE,, [Dimension to use for empty array declaration])
- ], [
- AC_MSG_ERROR([C compiler is unable to creaty empty arrays])
- ])
- ])
- ]
-)
-
-dnl @synopsis AX_CPP_VARARG_MACRO_GCC
-dnl
-dnl Test if the preprocessor understands GNU GCC-style vararg macros.
-dnl If it does, defines HAVE_CPP_VARARG_MACRO_GCC to 1.
-dnl
-dnl @version
-dnl @author James Yonan <jim@yonan.net>, Matthias Andree <matthias.andree@web.de>
-AC_DEFUN([AX_CPP_VARARG_MACRO_GCC], [dnl
- AS_VAR_PUSHDEF([VAR],[ax_cv_cpp_vararg_macro_gcc])dnl
- AC_CACHE_CHECK([for GNU GCC vararg macro support], VAR, [dnl
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([
- #define macro(a, b...) func(a, b)
- int func(int a, int b, int c);
- int test() { return macro(1, 2, 3); }
- ])], [ VAR=yes ], [VAR=no])])
- if test $VAR = yes ; then
- AC_DEFINE([HAVE_CPP_VARARG_MACRO_GCC], 1,
- [Define to 1 if your compiler supports GNU GCC-style variadic macros])
- fi
- AS_VAR_POPDEF([VAR])dnl
-])
-
-dnl @synopsis AX_CPP_VARARG_MACRO_ISO
-dnl
-dnl Test if the preprocessor understands ISO C 1999 vararg macros.
-dnl If it does, defines HAVE_CPP_VARARG_MACRO_ISO to 1.
-dnl
-dnl @version
-dnl @author James Yonan <jim@yonan.net>, Matthias Andree <matthias.andree@web.de>
-AC_DEFUN([AX_CPP_VARARG_MACRO_ISO], [dnl
- AS_VAR_PUSHDEF([VAR],[ax_cv_cpp_vararg_macro_iso])dnl
- AC_CACHE_CHECK([for ISO C 1999 vararg macro support], VAR, [dnl
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([
-#define macro(a, ...) func(a, __VA_ARGS__)
- int func(int a, int b, int c);
- int test() { return macro(1, 2, 3); }
- ])], [ VAR=yes ], [VAR=no])])
- if test $VAR = yes ; then
- AC_DEFINE([HAVE_CPP_VARARG_MACRO_ISO], 1,
- [Define to 1 if your compiler supports ISO C99 variadic macros])
- fi
- AS_VAR_POPDEF([VAR])dnl
-])
-
-dnl -- The following is taken from curl's acinclude.m4 --
-dnl Check for socklen_t: historically on BSD it is an int, and in
-dnl POSIX 1g it is a type of its own, but some platforms use different
-dnl types for the argument to getsockopt, getpeername, etc. So we
-dnl have to test to find something that will work.
-AC_DEFUN([TYPE_SOCKLEN_T],
-[
- AC_CHECK_TYPE([socklen_t], ,[
- AC_MSG_CHECKING([for socklen_t equivalent])
- AC_CACHE_VAL([curl_cv_socklen_t_equiv],
- [
- case "$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])
-])