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-rw-r--r--app/openvpn/m4/.keep0
-rw-r--r--app/openvpn/m4/ax_emptyarray.m440
-rw-r--r--app/openvpn/m4/ax_socklen_t.m465
-rw-r--r--app/openvpn/m4/ax_varargs.m477
-rw-r--r--app/openvpn/m4/pkg.m4159
5 files changed, 341 insertions, 0 deletions
diff --git a/app/openvpn/m4/.keep b/app/openvpn/m4/.keep
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/app/openvpn/m4/.keep
diff --git a/app/openvpn/m4/ax_emptyarray.m4 b/app/openvpn/m4/ax_emptyarray.m4
new file mode 100644
index 00000000..c6781c17
--- /dev/null
+++ b/app/openvpn/m4/ax_emptyarray.m4
@@ -0,0 +1,40 @@
+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], [
+ AS_VAR_PUSHDEF([VAR],[ax_cv_c_empty_array])dnl
+ AC_CACHE_CHECK(
+ [for C compiler empty array size],
+ [VAR],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ ,
+ [[
+struct { int foo; int bar[0]; } mystruct;
+ ]]
+ )],
+ [VAR=0],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ ,
+ [[
+struct { int foo; int bar[]; } mystruct;
+ ]]
+ )],
+ [VAR=],
+ [AC_MSG_ERROR([C compiler is unable to creaty empty arrays])]
+ )]
+ )]
+ )dnl
+ AC_DEFINE_UNQUOTED(
+ [EMPTY_ARRAY_SIZE],
+ [$VAR],
+ [Dimension to use for empty array declaration]
+ )dnl
+ AS_VAR_POPDEF([VAR])dnl
+])
diff --git a/app/openvpn/m4/ax_socklen_t.m4 b/app/openvpn/m4/ax_socklen_t.m4
new file mode 100644
index 00000000..cd7cad8a
--- /dev/null
+++ b/app/openvpn/m4/ax_socklen_t.m4
@@ -0,0 +1,65 @@
+dnl -- The following is base of curl's acinclude.m4 --
+dnl Check for socklen_t: historically on BSD it is an int, and in
+dnl POSIX 1g it is a type of its own, but some platforms use different
+dnl types for the argument to getsockopt, getpeername, etc. So we
+dnl have to test to find something that will work.
+AC_DEFUN([AX_TYPE_SOCKLEN_T], [
+ AC_CHECK_TYPE(
+ [socklen_t],
+ ,
+ [
+ AS_VAR_PUSHDEF([VAR],[ax_cv_socklen_t_equiv])dnl
+ AC_CACHE_CHECK(
+ [for socklen_t equivalent],
+ [VAR],
+ [
+ #AS_CASE is not supported on <autoconf-2.60
+ case "${host}" in
+ *-mingw*) VAR=int ;;
+ *)
+ # Systems have either "struct sockaddr *" or
+ # "void *" as the second argument to getpeername
+ for arg2 in "struct sockaddr" void; do
+ for t in int size_t unsigned long "unsigned long"; do
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
+#include <sys/types.h>
+#include <sys/socket.h>
+int getpeername (int, $arg2 *, $t *);
+ ]],
+ [[
+$t len;
+getpeername(0,0,&len);
+ ]]
+ )],
+ [VAR="$t"; break]
+ )
+ done
+ test -n "$VAR" && break
+ done
+ ;;
+ esac
+ ]
+ AS_VAR_IF(
+ [VAR],
+ [],
+ [AC_MSG_ERROR([Cannot find a type to use in place of socklen_t])],
+ [AC_DEFINE_UNQUOTED(
+ [socklen_t],
+ [$VAR],
+ [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
+ ]]
+ )
+])
diff --git a/app/openvpn/m4/ax_varargs.m4 b/app/openvpn/m4/ax_varargs.m4
new file mode 100644
index 00000000..c295d21f
--- /dev/null
+++ b/app/openvpn/m4/ax_varargs.m4
@@ -0,0 +1,77 @@
+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],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
+#define macro(a, b...) func(a, b)
+int func(int a, int b, int c);
+ ]],
+ [[
+int i = macro(1, 2, 3);
+ ]]
+ )],
+ [VAR=yes],
+ [VAR=no]
+ )]
+ )dnl
+
+ AS_VAR_IF(
+ [VAR],
+ [yes],
+ [AC_DEFINE(
+ [HAVE_CPP_VARARG_MACRO_GCC],
+ [1],
+ [Define to 1 if your compiler supports GNU GCC-style variadic macros]
+ )]
+ )dnl
+ 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],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[
+#define macro(a, ...) func(a, __VA_ARGS__)
+int func(int a, int b, int c);
+ ]],
+ [[
+int i = macro(1, 2, 3);
+ ]]
+ )],
+ [VAR=yes],
+ [VAR=no]
+ )]
+ )dnl
+
+ AS_VAR_IF(
+ [VAR],
+ [yes],
+ [AC_DEFINE(
+ [HAVE_CPP_VARARG_MACRO_ISO],
+ [1],
+ [Define to 1 if your compiler supports ISO C99 variadic macros]
+ )]
+ )dnl
+ AS_VAR_POPDEF([VAR])dnl
+])
diff --git a/app/openvpn/m4/pkg.m4 b/app/openvpn/m4/pkg.m4
new file mode 100644
index 00000000..9a71878c
--- /dev/null
+++ b/app/openvpn/m4/pkg.m4
@@ -0,0 +1,159 @@
+# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
+# serial 1 (pkg-config-0.24)
+#
+# Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# PKG_PROG_PKG_CONFIG([MIN-VERSION])
+# ----------------------------------
+AC_DEFUN([PKG_PROG_PKG_CONFIG],
+[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
+m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
+m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
+AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
+AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
+AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
+
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+ AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
+fi
+if test -n "$PKG_CONFIG"; then
+ _pkg_min_version=m4_default([$1], [0.9.0])
+ AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
+ if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ PKG_CONFIG=""
+ fi
+fi[]dnl
+])# PKG_PROG_PKG_CONFIG
+
+# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+#
+# Check to see whether a particular set of modules exists. Similar
+# to PKG_CHECK_MODULES(), but does not set variables or print errors.
+#
+# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+# only at the first occurence in configure.ac, so if the first place
+# it's called might be skipped (such as if it is within an "if", you
+# have to call PKG_CHECK_EXISTS manually
+# --------------------------------------------------------------
+AC_DEFUN([PKG_CHECK_EXISTS],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+if test -n "$PKG_CONFIG" && \
+ AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
+ m4_default([$2], [:])
+m4_ifvaln([$3], [else
+ $3])dnl
+fi])
+
+# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
+# ---------------------------------------------
+m4_define([_PKG_CONFIG],
+[if test -n "$$1"; then
+ pkg_cv_[]$1="$$1"
+ elif test -n "$PKG_CONFIG"; then
+ PKG_CHECK_EXISTS([$3],
+ [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
+ test "x$?" != "x0" && pkg_failed=yes ],
+ [pkg_failed=yes])
+ else
+ pkg_failed=untried
+fi[]dnl
+])# _PKG_CONFIG
+
+# _PKG_SHORT_ERRORS_SUPPORTED
+# -----------------------------
+AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+ _pkg_short_errors_supported=yes
+else
+ _pkg_short_errors_supported=no
+fi[]dnl
+])# _PKG_SHORT_ERRORS_SUPPORTED
+
+
+# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
+# [ACTION-IF-NOT-FOUND])
+#
+#
+# Note that if there is a possibility the first call to
+# PKG_CHECK_MODULES might not happen, you should be sure to include an
+# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
+#
+#
+# --------------------------------------------------------------
+AC_DEFUN([PKG_CHECK_MODULES],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
+AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl
+
+pkg_failed=no
+AC_MSG_CHECKING([for $1])
+
+_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
+_PKG_CONFIG([$1][_LIBS], [libs], [$2])
+
+m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
+and $1[]_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.])
+
+if test $pkg_failed = yes; then
+ AC_MSG_RESULT([no])
+ _PKG_SHORT_ERRORS_SUPPORTED
+ if test $_pkg_short_errors_supported = yes; then
+ $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
+ else
+ $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
+ fi
+ # Put the nasty error message in config.log where it belongs
+ echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
+
+ m4_default([$4], [AC_MSG_ERROR(
+[Package requirements ($2) were not met:
+
+$$1_PKG_ERRORS
+
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
+
+_PKG_TEXT])[]dnl
+ ])
+elif test $pkg_failed = untried; then
+ AC_MSG_RESULT([no])
+ m4_default([$4], [AC_MSG_FAILURE(
+[The pkg-config script could not be found or is too old. Make sure it
+is in your PATH or set the PKG_CONFIG environment variable to the full
+path to pkg-config.
+
+_PKG_TEXT
+
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
+ ])
+else
+ $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
+ $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
+ AC_MSG_RESULT([yes])
+ $3
+fi[]dnl
+])# PKG_CHECK_MODULES