forked from Mirrors/freeswitch
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4544 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
parent
68b9e56a03
commit
81b583afcb
|
@ -0,0 +1,226 @@
|
|||
dnl ##
|
||||
dnl ## SA - OSSP Socket Abstraction Library
|
||||
dnl ## Copyright (c) 2001-2003 Ralf S. Engelschall <rse@engelschall.com>
|
||||
dnl ## Copyright (c) 2001-2003 The OSSP Project <http://www.ossp.org/>
|
||||
dnl ## Copyright (c) 2001-2003 Cable & Wireless Deutschland <http://www.cw.com/de/>
|
||||
dnl ##
|
||||
dnl ## This file is part of OSSP SA, a socket abstraction library which
|
||||
dnl ## can be found at http://www.ossp.org/pkg/sa/.
|
||||
dnl ##
|
||||
dnl ## Permission to use, copy, modify, and distribute this software for
|
||||
dnl ## any purpose with or without fee is hereby granted, provided that
|
||||
dnl ## the above copyright notice and this permission notice appear in all
|
||||
dnl ## copies.
|
||||
dnl ##
|
||||
dnl ## THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
||||
dnl ## WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
dnl ## MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
dnl ## IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
|
||||
dnl ## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
dnl ## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
dnl ## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||||
dnl ## USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
||||
dnl ## ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
dnl ## OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
||||
dnl ## OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
dnl ## SUCH DAMAGE.
|
||||
dnl ##
|
||||
dnl ## aclocal.m4: GNU Autoconf local macro definitions
|
||||
dnl ##
|
||||
|
||||
dnl ##
|
||||
dnl ## Check whether compiler option works
|
||||
dnl ##
|
||||
dnl ## configure.in:
|
||||
dnl ## AC_COMPILER_OPTION(<name>, <display>, <option>,
|
||||
dnl ## <action-success>, <action-failure>)
|
||||
dnl ##
|
||||
|
||||
AC_DEFUN(AC_COMPILER_OPTION,[dnl
|
||||
AC_MSG_CHECKING(whether compiler option(s) $2 work)
|
||||
AC_CACHE_VAL(ac_cv_compiler_option_$1,[
|
||||
SAVE_CFLAGS="$CFLAGS"
|
||||
CFLAGS="$CFLAGS $3"
|
||||
AC_TRY_COMPILE([],[], ac_cv_compiler_option_$1=yes, ac_cv_compiler_option_$1=no)
|
||||
CFLAGS="$SAVE_CFLAGS"
|
||||
])dnl
|
||||
if test ".$ac_cv_compiler_option_$1" = .yes; then
|
||||
ifelse([$4], , :, [$4])
|
||||
else
|
||||
ifelse([$5], , :, [$5])
|
||||
fi
|
||||
AC_MSG_RESULT([$ac_cv_compiler_option_$1])
|
||||
])dnl
|
||||
|
||||
dnl ##
|
||||
dnl ## Debugging Support
|
||||
dnl ##
|
||||
dnl ## configure.in:
|
||||
dnl ## AC_CHECK_DEBUGGING
|
||||
dnl ##
|
||||
|
||||
AC_DEFUN(AC_CHECK_DEBUGGING,[dnl
|
||||
AC_ARG_ENABLE(debug,dnl
|
||||
[ --enable-debug build for debugging (default=no)],
|
||||
[dnl
|
||||
if test ".$ac_cv_prog_gcc" = ".yes"; then
|
||||
case "$CFLAGS" in
|
||||
*-O* ) ;;
|
||||
* ) CFLAGS="$CFLAGS -O0" ;;
|
||||
esac
|
||||
case "$CFLAGS" in
|
||||
*-g* ) ;;
|
||||
* ) CFLAGS="$CFLAGS -g" ;;
|
||||
esac
|
||||
case "$CFLAGS" in
|
||||
*-pipe* ) ;;
|
||||
* ) AC_COMPILER_OPTION(pipe, -pipe, -pipe, CFLAGS="$CFLAGS -pipe") ;;
|
||||
esac
|
||||
AC_COMPILER_OPTION(defdbg, -DDEBUG, -DDEBUG, CFLAGS="$CFLAGS -DDEBUG")
|
||||
CFLAGS="$CFLAGS -pedantic"
|
||||
CFLAGS="$CFLAGS -Wall"
|
||||
WMORE="-Wpointer-arith -Wcast-align -Winline"
|
||||
WMORE="$WMORE -Wmissing-prototypes -Wmissing-declarations -Wnested-externs"
|
||||
AC_COMPILER_OPTION(wmore, -W<xxx>, $WMORE, CFLAGS="$CFLAGS $WMORE")
|
||||
AC_COMPILER_OPTION(wnolonglong, -Wno-long-long, -Wno-long-long, CFLAGS="$CFLAGS -Wno-long-long")
|
||||
else
|
||||
case "$CFLAGS" in
|
||||
*-g* ) ;;
|
||||
* ) CFLAGS="$CFLAGS -g" ;;
|
||||
esac
|
||||
fi
|
||||
msg="enabled"
|
||||
],[
|
||||
AC_COMPILER_OPTION(defnodbg, -DNDEBUG, -DNDEBUG, CFLAGS="$CFLAGS -DNDEBUG")
|
||||
if test ".$ac_cv_prog_gcc" = ".yes"; then
|
||||
case "$CFLAGS" in
|
||||
*-pipe* ) ;;
|
||||
* ) AC_COMPILER_OPTION(pipe, -pipe, -pipe, CFLAGS="$CFLAGS -pipe") ;;
|
||||
esac
|
||||
fi
|
||||
case "$CFLAGS" in
|
||||
*-g* ) CFLAGS=`echo "$CFLAGS" |\
|
||||
sed -e 's/ -g / /g' -e 's/ -g$//' -e 's/^-g //g' -e 's/^-g$//'` ;;
|
||||
esac
|
||||
case "$CXXFLAGS" in
|
||||
*-g* ) CXXFLAGS=`echo "$CXXFLAGS" |\
|
||||
sed -e 's/ -g / /g' -e 's/ -g$//' -e 's/^-g //g' -e 's/^-g$//'` ;;
|
||||
esac
|
||||
msg=disabled
|
||||
])dnl
|
||||
AC_MSG_CHECKING(for compilation debug mode)
|
||||
AC_MSG_RESULT([$msg])
|
||||
if test ".$msg" = .enabled; then
|
||||
enable_shared=no
|
||||
fi
|
||||
])
|
||||
|
||||
dnl ##
|
||||
dnl ## Check for C99 va_copy() implementation
|
||||
dnl ## (and provide fallback implementation if neccessary)
|
||||
dnl ##
|
||||
dnl ## configure.in:
|
||||
dnl ## AC_CHECK_VA_COPY
|
||||
dnl ## foo.c:
|
||||
dnl ## #include "config.h"
|
||||
dnl ## [...]
|
||||
dnl ## va_copy(d,s)
|
||||
dnl ##
|
||||
dnl ## This check is rather complex: first because we really have to
|
||||
dnl ## try various possible implementations in sequence and second, we
|
||||
dnl ## cannot define a macro in config.h with parameters directly.
|
||||
dnl ##
|
||||
|
||||
dnl # test program for va_copy() implementation
|
||||
changequote(<<,>>)
|
||||
m4_define(__va_copy_test, <<[
|
||||
#include <stdlib.h>
|
||||
#include <stdarg.h>
|
||||
#include <string.h>
|
||||
#define DO_VA_COPY(d, s) $1
|
||||
void test(char *str, ...)
|
||||
{
|
||||
va_list ap, ap2;
|
||||
int i;
|
||||
va_start(ap, str);
|
||||
DO_VA_COPY(ap2, ap);
|
||||
for (i = 1; i <= 9; i++) {
|
||||
int k = (int)va_arg(ap, int);
|
||||
if (k != i)
|
||||
abort();
|
||||
}
|
||||
DO_VA_COPY(ap, ap2);
|
||||
for (i = 1; i <= 9; i++) {
|
||||
int k = (int)va_arg(ap, int);
|
||||
if (k != i)
|
||||
abort();
|
||||
}
|
||||
va_end(ap);
|
||||
}
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
test("test", 1, 2, 3, 4, 5, 6, 7, 8, 9);
|
||||
exit(0);
|
||||
}
|
||||
]>>)
|
||||
changequote([,])
|
||||
|
||||
dnl # test driver for va_copy() implementation
|
||||
m4_define(__va_copy_check, [
|
||||
AH_VERBATIM($1,
|
||||
[/* Predefined possible va_copy() implementation (id: $1) */
|
||||
#define __VA_COPY_USE_$1(d, s) $2])
|
||||
if test ".$ac_cv_va_copy" = .; then
|
||||
AC_TRY_RUN(__va_copy_test($2), [ac_cv_va_copy="$1"])
|
||||
fi
|
||||
])
|
||||
|
||||
dnl # Autoconf check for va_copy() implementation checking
|
||||
AC_DEFUN(AC_CHECK_VA_COPY,[
|
||||
dnl # provide Autoconf display check message
|
||||
AC_MSG_CHECKING(for va_copy() function)
|
||||
dnl # check for various implementations in priorized sequence
|
||||
AC_CACHE_VAL(ac_cv_va_copy, [
|
||||
ac_cv_va_copy=""
|
||||
dnl # 1. check for standardized C99 macro
|
||||
__va_copy_check(C99, [va_copy((d), (s))])
|
||||
dnl # 2. check for alternative/deprecated GCC macro
|
||||
__va_copy_check(GCM, [VA_COPY((d), (s))])
|
||||
dnl # 3. check for internal GCC macro (high-level define)
|
||||
__va_copy_check(GCH, [__va_copy((d), (s))])
|
||||
dnl # 4. check for internal GCC macro (built-in function)
|
||||
__va_copy_check(GCB, [__builtin_va_copy((d), (s))])
|
||||
dnl # 5. check for assignment approach (assuming va_list is a struct)
|
||||
__va_copy_check(ASS, [do { (d) = (s); } while (0)])
|
||||
dnl # 6. check for assignment approach (assuming va_list is a pointer)
|
||||
__va_copy_check(ASP, [do { *(d) = *(s); } while (0)])
|
||||
dnl # 7. check for memory copying approach (assuming va_list is a struct)
|
||||
__va_copy_check(CPS, [memcpy((void *)&(d), (void *)&(s)), sizeof((s))])
|
||||
dnl # 8. check for memory copying approach (assuming va_list is a pointer)
|
||||
__va_copy_check(CPP, [memcpy((void *)(d), (void *)(s)), sizeof(*(s))])
|
||||
if test ".$ac_cv_va_copy" = .; then
|
||||
AC_ERROR([no working implementation found])
|
||||
fi
|
||||
])
|
||||
dnl # optionally activate the fallback implementation
|
||||
if test ".$ac_cv_va_copy" = ".C99"; then
|
||||
AC_DEFINE(HAVE_VA_COPY, 1, [Define if va_copy() macro exists (and no fallback implementation is required)])
|
||||
fi
|
||||
dnl # declare which fallback implementation to actually use
|
||||
AC_DEFINE_UNQUOTED([__VA_COPY_USE], [__VA_COPY_USE_$ac_cv_va_copy],
|
||||
[Define to id of used va_copy() implementation])
|
||||
dnl # provide activation hook for fallback implementation
|
||||
AH_VERBATIM([__VA_COPY_ACTIVATION],
|
||||
[/* Optional va_copy() implementation activation */
|
||||
#ifndef HAVE_VA_COPY
|
||||
#define va_copy(d, s) __VA_COPY_USE(d, s)
|
||||
#endif
|
||||
])
|
||||
dnl # provide Autoconf display result message
|
||||
if test ".$ac_cv_va_copy" = ".C99"; then
|
||||
AC_MSG_RESULT([yes])
|
||||
else
|
||||
AC_MSG_RESULT([no (using fallback implementation)])
|
||||
fi
|
||||
])
|
||||
|
Loading…
Reference in New Issue