ossp-pkg/lmtp2nntp/aclocal.m4
dnl ##
dnl ## OSSP lmtp2nntp - Mail to News Gateway
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 Germany <http://www.cw.com/de/>
dnl ##
dnl ## This file is part of OSSP lmtp2nntp, an LMTP speaking local
dnl ## mailer which forwards mails as Usenet news articles via NNTP.
dnl ## It can be found at http://www.ossp.org/pkg/tool/lmtp2nntp/.
dnl ##
dnl ## This program is free software; you can redistribute it and/or
dnl ## modify it under the terms of the GNU General Public License
dnl ## as published by the Free Software Foundation; either version
dnl ## 2.0 of the License, or (at your option) any later version.
dnl ##
dnl ## This program is distributed in the hope that it will be useful,
dnl ## but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
dnl ## General Public License for more details.
dnl ##
dnl ## You should have received a copy of the GNU General Public License
dnl ## along with this file; if not, write to the Free Software
dnl ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
dnl ## USA, or contact the OSSP project <ossp@ossp.org>.
dnl ##
dnl ## aclocal.m4: GNU Autoconf local macros
dnl ##
dnl ##
dnl ## Support for Platform IDs
dnl ##
dnl ## configure.in:
dnl ## AC_PLATFORM(<variable>)
dnl ##
AC_DEFUN(AC_PLATFORM,[
if test ".$host" != .NONE && test ".$host" != .; then
$1="$host"
else
$1=`${CONFIG_SHELL-/bin/sh} $srcdir/config.guess`
fi
$1=`${CONFIG_SHELL-/bin/sh} $srcdir/config.sub $$1` || exit 1
AC_SUBST($1)
if test ".$enable_subdir" != .yes; then
echo "Platform: ${TB}${$1}${TN}"
fi
])dnl
dnl ##
dnl ## Support for Configuration Headers
dnl ##
dnl ## configure.in:
dnl ## AC_HEADLINE(<short-name>, <long-name>,
dnl ## <vers-var>, <vers-file>,
dnl ## <copyright>)
dnl ##
AC_DEFUN(AC_HEADLINE,[dnl
AC_DIVERT_PUSH(NOTICE)dnl
# configuration header
if test ".`echo dummy [$]@ | grep help`" = .; then
# bootstrapping shtool
ac_prog=[$]0
changequote(, )dnl
ac_srcdir=`echo $ac_prog | sed -e 's%/[^/][^/]*$%%' -e 's%\([^/]\)/*$%\1%'`
changequote([, ])dnl
test ".$ac_srcdir" = ".$ac_prog" && ac_srcdir=.
ac_shtool="$ac_srcdir/shtool"
# find out terminal sequences
TB=`$ac_shtool echo -n -e %B 2>/dev/null`
TN=`$ac_shtool echo -n -e %b 2>/dev/null`
# find out package version
$3_STR="`$ac_shtool version -l c -d long $ac_srcdir/$4`"
AC_SUBST($3_STR)
# friendly header ;)
echo "Configuring ${TB}$1${TN} ($2), Version ${TB}${$3_STR}${TN}"
echo "$5"
# additionally find out hex version
$3_HEX="`$ac_shtool version -l c -d hex $ac_srcdir/$4`"
AC_SUBST($3_HEX)
fi
AC_DIVERT_POP()
])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(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"
dnl AC_DEFINE(DEBUG)
],[
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
])
define(AC_IFALLYES,[dnl
ac_rc=yes
for ac_spec in $1; do
ac_type=`echo "$ac_spec" | sed -e 's/:.*$//'`
ac_item=`echo "$ac_spec" | sed -e 's/^.*://'`
case $ac_type in
header [)]
ac_item=`echo "$ac_item" | sed 'y%./+-%__p_%'`
ac_var="ac_cv_header_$ac_item"
;;
file [)]
ac_item=`echo "$ac_item" | sed 'y%./+-%__p_%'`
ac_var="ac_cv_file_$ac_item"
;;
func [)] ac_var="ac_cv_func_$ac_item" ;;
lib [)] ac_var="ac_cv_lib_$ac_item" ;;
define [)] ac_var="ac_cv_define_$ac_item" ;;
typedef [)] ac_var="ac_cv_typedef_$ac_item" ;;
custom [)] ac_var="$ac_item" ;;
esac
eval "ac_val=\$$ac_var"
if test ".$ac_val" != .yes; then
ac_rc=no
break
fi
done
if test ".$ac_rc" = .yes; then
:
$2
else
:
$3
fi
])
dnl ##
dnl ## Check for an external/extension library.
dnl ## - is aware of <libname>-config style scripts
dnl ## - searches under standard paths include, lib, etc.
dnl ## - searches under subareas like .libs, etc.
dnl ##
dnl ## configure.in:
dnl ## AC_CHECK_EXTLIB(<realname>, <libname>, <func>, <header>,
dnl ## [<success-action> [, <fail-action>]])
dnl ## Makefile.in:
dnl ## CFLAGS = @CFLAGS@
dnl ## LDFLAGS = @LDFLAGS@
dnl ## LIBS = @LIBS@
dnl ## shell:
dnl ## $ ./configure --with-<libname>[=DIR]
dnl ##
AC_DEFUN(AC_CHECK_EXTLIB,[dnl
AC_ARG_WITH($2, [dnl
[ --with-]m4_substr([$2[[=DIR]] ], 0, 19)[build with external $1 library (default=no)]], [dnl
if test ".$with_$2" = .yes; then
# via config script
$2_version=`($2-config --version) 2>/dev/null`
if test ".$$2_version" != .; then
CPPFLAGS="$CPPFLAGS `$2-config --cflags`"
CFLAGS="$CFLAGS `$2-config --cflags`"
LDFLAGS="$LDFLAGS `$2-config --ldflags`"
fi
else
if test -d "$with_$2"; then
found=0
# via config script
for dir in $with_$2/bin $with_$2; do
if test -f "$dir/$2-config"; then
$2_version=`($dir/$2-config --version) 2>/dev/null`
if test ".$$2_version" != .; then
CPPFLAGS="$CPPFLAGS `$dir/$2-config --cflags`"
CFLAGS="$CFLAGS `$dir/$2-config --cflags`"
LDFLAGS="$LDFLAGS `$dir/$2-config --ldflags`"
found=1
break
fi
fi
done
# via standard paths
if test ".$found" = .0; then
for dir in $with_$2/include/$2 $with_$2/include $with_$2; do
if test -f "$dir/$4"; then
CPPFLAGS="$CPPFLAGS -I$dir"
CFLAGS="$CFLAGS -I$dir"
found=1
break
fi
done
for dir in $with_$2/lib/$2 $with_$2/lib $with_$2; do
if test -f "$dir/lib$2.a" -o -f "$dir/lib$2.so"; then
LDFLAGS="$LDFLAGS -L$dir"
found=1
break
fi
done
fi
# in any subarea
if test ".$found" = .0; then
changequote(, )dnl
for file in x `find $with_$2 -name "$4" -type f -print`; do
test .$file = .x && continue
dir=`echo $file | sed -e 's;[[^/]]*$;;' -e 's;\(.\)/$;\1;'`
CPPFLAGS="$CPPFLAGS -I$dir"
CFLAGS="$CFLAGS -I$dir"
done
for file in x `find $with_$2 -name "lib$2.[[aso]]" -type f -print`; do
test .$file = .x && continue
dir=`echo $file | sed -e 's;[[^/]]*$;;' -e 's;\(.\)/$;\1;'`
LDFLAGS="$LDFLAGS -L$dir"
done
changequote([, ])dnl
fi
fi
fi
AC_HAVE_HEADERS($4)
AC_CHECK_LIB($2, $3)
AC_IFALLYES(header:$4 lib:$2_$3, with_$2=yes, with_$2=no)
if test ".$with_$2" = .no; then
AC_ERROR([Unable to find $1 library])
fi
], [dnl
if test ".$with_$2" = .; then
with_$2=no
fi
])dnl
AC_MSG_CHECKING(whether to build against external $1 library)
if test ".$with_$2" = .yes; then
ifelse([$5], , :, [$5])
else
ifelse([$6], , :, [$6])
fi
AC_MSG_RESULT([$with_$2])
])dnl
