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authorOthmar Gsenger <otti@anytun.org>2008-04-12 11:38:42 +0000
committerOthmar Gsenger <otti@anytun.org>2008-04-12 11:38:42 +0000
commitfffd213c8cba2135afda493d797c41c10354770e (patch)
treebb5eea1b12871d8c3fed0e687d83be3e504d11b2 /openvpn/acinclude.m4
parentsvn cleanup (diff)
big svn cleanup
Diffstat (limited to 'openvpn/acinclude.m4')
-rw-r--r--openvpn/acinclude.m4346
1 files changed, 0 insertions, 346 deletions
diff --git a/openvpn/acinclude.m4 b/openvpn/acinclude.m4
deleted file mode 100644
index f164bac..0000000
--- a/openvpn/acinclude.m4
+++ /dev/null
@@ -1,346 +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(
- [
- struct { int foo; int bar[[0]]; } mystruct;
- ], [
- AC_DEFINE_UNQUOTED(EMPTY_ARRAY_SIZE, 0, [Dimension to use for empty array declaration])
- ], [
- AC_COMPILE_IFELSE(
- [
- 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([
- #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([
-#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],
- [
- # 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
-
- 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, $curl_cv_socklen_t_equiv,
- [type to use in place of socklen_t if not defined])],
- [#include <sys/types.h>
-#include <sys/socket.h>])
-])
-
-dnl @synopsis ACX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
-dnl
-dnl This macro figures out how to build C programs using POSIX
-dnl threads. It sets the PTHREAD_LIBS output variable to the threads
-dnl library and linker flags, and the PTHREAD_CFLAGS output variable
-dnl to any special C compiler flags that are needed. (The user can also
-dnl force certain compiler flags/libs to be tested by setting these
-dnl environment variables.)
-dnl
-dnl Also sets PTHREAD_CC to any special C compiler that is needed for
-dnl multi-threaded programs (defaults to the value of CC otherwise).
-dnl (This is necessary on AIX to use the special cc_r compiler alias.)
-dnl
-dnl If you are only building threads programs, you may wish to
-dnl use these variables in your default LIBS, CFLAGS, and CC:
-dnl
-dnl LIBS="$PTHREAD_LIBS $LIBS"
-dnl CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-dnl CC="$PTHREAD_CC"
-dnl
-dnl In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute
-dnl constant has a nonstandard name, defines PTHREAD_CREATE_JOINABLE
-dnl to that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
-dnl
-dnl ACTION-IF-FOUND is a list of shell commands to run if a threads
-dnl library is found, and ACTION-IF-NOT-FOUND is a list of commands
-dnl to run it if it is not found. If ACTION-IF-FOUND is not specified,
-dnl the default action will define HAVE_PTHREAD.
-dnl
-dnl Please let the authors know if this macro fails on any platform,
-dnl or if you have any other suggestions or comments. This macro was
-dnl based on work by SGJ on autoconf scripts for FFTW (www.fftw.org)
-dnl (with help from M. Frigo), as well as ac_pthread and hb_pthread
-dnl macros posted by AFC to the autoconf macro repository. We are also
-dnl grateful for the helpful feedback of numerous users.
-dnl
-dnl @author Steven G. Johnson <stevenj@alum.mit.edu> and Alejandro Forero Cuervo <bachue@bachue.com>
-
-AC_DEFUN([ACX_PTHREAD], [
-AC_REQUIRE([AC_CANONICAL_HOST])
-acx_pthread_ok=no
-
-# We used to check for pthread.h first, but this fails if pthread.h
-# requires special compiler flags (e.g. on True64 or Sequent).
-# It gets checked for in the link test anyway.
-
-# First of all, check if the user has set any of the PTHREAD_LIBS,
-# etcetera environment variables, and if threads linking works using
-# them:
-if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
- save_LIBS="$LIBS"
- LIBS="$PTHREAD_LIBS $LIBS"
- AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS])
- AC_TRY_LINK_FUNC(pthread_join, acx_pthread_ok=yes)
- AC_MSG_RESULT($acx_pthread_ok)
- if test x"$acx_pthread_ok" = xno; then
- PTHREAD_LIBS=""
- PTHREAD_CFLAGS=""
- fi
- LIBS="$save_LIBS"
- CFLAGS="$save_CFLAGS"
-fi
-
-# We must check for the threads library under a number of different
-# names; the ordering is very important because some systems
-# (e.g. DEC) have both -lpthread and -lpthreads, where one of the
-# libraries is broken (non-POSIX).
-
-# Create a list of thread flags to try. Items starting with a "-" are
-# C compiler flags, and other items are library names, except for "none"
-# which indicates that we try without any flags at all.
-
-acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt"
-
-# The ordering *is* (sometimes) important. Some notes on the
-# individual items follow:
-
-# pthreads: AIX (must check this before -lpthread)
-# none: in case threads are in libc; should be tried before -Kthread and
-# other compiler flags to prevent continual compiler warnings
-# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
-# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
-# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
-# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
-# -pthreads: Solaris/gcc
-# -mthreads: Mingw32/gcc, Lynx/gcc
-# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
-# doesn't hurt to check since this sometimes defines pthreads too;
-# also defines -D_REENTRANT)
-# pthread: Linux, etcetera
-# --thread-safe: KAI C++
-
-case "$target" in
- *solaris*)
-
- # On Solaris (at least, for some versions), libc contains stubbed
- # (non-functional) versions of the pthreads routines, so link-based
- # tests will erroneously succeed. (We need to link with -pthread or
- # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather
- # a function called by this macro, so we could check for that, but
- # who knows whether they'll stub that too in a future libc.) So,
- # we'll just look for -pthreads and -lpthread first:
-
- acx_pthread_flags="-pthread -pthreads pthread -mt $acx_pthread_flags"
- ;;
-esac
-
-if test x"$acx_pthread_ok" = xno; then
-for flag in $acx_pthread_flags; do
-
- case $flag in
- none)
- AC_MSG_CHECKING([whether pthreads work without any flags])
- ;;
-
- -*)
- AC_MSG_CHECKING([whether pthreads work with $flag])
- PTHREAD_CFLAGS="$flag"
- ;;
-
- *)
- AC_MSG_CHECKING([for the pthreads library -l$flag])
- PTHREAD_LIBS="-l$flag"
- ;;
- esac
-
- save_LIBS="$LIBS"
- save_CFLAGS="$CFLAGS"
- LIBS="$PTHREAD_LIBS $LIBS"
- CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-
- # Check for various functions. We must include pthread.h,
- # since some functions may be macros. (On the Sequent, we
- # need a special flag -Kthread to make this header compile.)
- # We check for pthread_join because it is in -lpthread on IRIX
- # while pthread_create is in libc. We check for pthread_attr_init
- # due to DEC craziness with -lpthreads. We check for
- # pthread_cleanup_push because it is one of the few pthread
- # functions on Solaris that doesn't have a non-functional libc stub.
- # We try pthread_create on general principles.
- AC_TRY_LINK([#include <pthread.h>],
- [pthread_t th; pthread_join(th, 0);
- pthread_attr_init(0); pthread_cleanup_push(0, 0);
- pthread_create(0,0,0,0); pthread_cleanup_pop(0); ],
- [acx_pthread_ok=yes])
-
- LIBS="$save_LIBS"
- CFLAGS="$save_CFLAGS"
-
- AC_MSG_RESULT($acx_pthread_ok)
- if test "x$acx_pthread_ok" = xyes; then
- break;
- fi
-
- PTHREAD_LIBS=""
- PTHREAD_CFLAGS=""
-done
-fi
-
-# Various other checks:
-if test "x$acx_pthread_ok" = xyes; then
- save_LIBS="$LIBS"
- LIBS="$PTHREAD_LIBS $LIBS"
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-
- # Detect AIX lossage: threads are created detached by default
- # and the JOINABLE attribute has a nonstandard name (UNDETACHED).
- AC_MSG_CHECKING([for joinable pthread attribute])
- AC_TRY_LINK([#include <pthread.h>],
- [int attr=PTHREAD_CREATE_JOINABLE;],
- ok=PTHREAD_CREATE_JOINABLE, ok=unknown)
- if test x"$ok" = xunknown; then
- AC_TRY_LINK([#include <pthread.h>],
- [int attr=PTHREAD_CREATE_UNDETACHED;],
- ok=PTHREAD_CREATE_UNDETACHED, ok=unknown)
- fi
- if test x"$ok" != xPTHREAD_CREATE_JOINABLE; then
- AC_DEFINE(PTHREAD_CREATE_JOINABLE, $ok,
- [Define to the necessary symbol if this constant
- uses a non-standard name on your system.])
- fi
- AC_MSG_RESULT(${ok})
- if test x"$ok" = xunknown; then
- AC_MSG_WARN([we do not know how to create joinable pthreads])
- fi
-
- AC_MSG_CHECKING([if more special flags are required for pthreads])
- flag=no
- case "$target" in
- *-aix* | *-freebsd*) flag="-D_THREAD_SAFE";;
- *solaris* | alpha*-osf* | *linux*) flag="-D_REENTRANT";;
- esac
- AC_MSG_RESULT(${flag})
- if test "x$flag" != xno; then
- PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
- fi
-
- LIBS="$save_LIBS"
- CFLAGS="$save_CFLAGS"
-
- # More AIX lossage: must compile with cc_r
- AC_CHECK_PROG(PTHREAD_CC, cc_r, cc_r, ${CC})
-else
- PTHREAD_CC="$CC"
-fi
-
-AC_SUBST(PTHREAD_LIBS)
-AC_SUBST(PTHREAD_CFLAGS)
-AC_SUBST(PTHREAD_CC)
-
-# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
-if test x"$acx_pthread_ok" = xyes; then
- ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1])
- :
-else
- acx_pthread_ok=no
- $2
-fi
-
-])dnl ACX_PTHREAD