ossp-pkg/ui64/aclocal.m4
dnl ##
dnl ## OSSP ui64 - 64-Bit Arithmetic
dnl ## Copyright (c) 2002-2005 Ralf S. Engelschall <rse@engelschall.com>
dnl ## Copyright (c) 2002-2005 The OSSP Project <http://www.ossp.org/>
dnl ##
dnl ## This file is part of OSSP ui64, a 64-bit arithmetic library
dnl ## which can be found at http://www.ossp.org/pkg/lib/ui64/.
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 -O2" ;;
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="$CFLAGS -DDEBUG")
AC_COMPILER_OPTION(ggdb3, -ggdb3, -ggdb3, CFLAGS="$CFLAGS -ggdb3")
CFLAGS="$CFLAGS -pedantic"
CFLAGS="$CFLAGS -Wall"
WMORE="-Wshadow -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"
],[
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
])
