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build-aux/m4/ax_boost_base.m4

# =========================================================================== # ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_boost_base.html # https://www.gnu.org/software/autoconf-archive/ax_boost_base.html
# =========================================================================== # ===========================================================================
# #
# SYNOPSIS # SYNOPSIS
# #
# AX_BOOST_BASE([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) # AX_BOOST_BASE([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# #
# DESCRIPTION # DESCRIPTION
# #
Show All 17 Lines
# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de> # Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
# Copyright (c) 2009 Peter Adolphs # Copyright (c) 2009 Peter Adolphs
# #
# Copying and distribution of this file, with or without modification, are # Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice # permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any # and this notice are preserved. This file is offered as-is, without any
# warranty. # warranty.
#serial 27 #serial 45
# example boost program (need to pass version)
m4_define([_AX_BOOST_BASE_PROGRAM],
[AC_LANG_PROGRAM([[
#include <boost/version.hpp>
]],[[
(void) ((void)sizeof(char[1 - 2*!!((BOOST_VERSION) < ($1))]));
]])])
AC_DEFUN([AX_BOOST_BASE], AC_DEFUN([AX_BOOST_BASE],
[ [
AC_ARG_WITH([boost], AC_ARG_WITH([boost],
[AS_HELP_STRING([--with-boost@<:@=ARG@:>@], [AS_HELP_STRING([--with-boost@<:@=ARG@:>@],
[use Boost library from a standard location (ARG=yes), [use Boost library from a standard location (ARG=yes),
from the specified location (ARG=<path>), from the specified location (ARG=<path>),
or disable it (ARG=no) or disable it (ARG=no)
@<:@ARG=yes@:>@ ])], @<:@ARG=yes@:>@ ])],
[ [
if test "$withval" = "no"; then AS_CASE([$withval],
want_boost="no" [no],[want_boost="no";_AX_BOOST_BASE_boost_path=""],
elif test "$withval" = "yes"; then [yes],[want_boost="yes";_AX_BOOST_BASE_boost_path=""],
want_boost="yes" [want_boost="yes";_AX_BOOST_BASE_boost_path="$withval"])
ac_boost_path=""
else
want_boost="yes"
ac_boost_path="$withval"
fi
], ],
[want_boost="yes"]) [want_boost="yes"])
AC_ARG_WITH([boost-libdir], AC_ARG_WITH([boost-libdir],
AS_HELP_STRING([--with-boost-libdir=LIB_DIR], [AS_HELP_STRING([--with-boost-libdir=LIB_DIR],
[Force given directory for boost libraries. Note that this will override library path detection, so use this parameter only if default library detection fails and you know exactly where your boost libraries are located.]), [Force given directory for boost libraries.
Note that this will override library path detection,
so use this parameter only if default library detection fails
and you know exactly where your boost libraries are located.])],
[ [
if test -d "$withval" AS_IF([test -d "$withval"],
then [_AX_BOOST_BASE_boost_lib_path="$withval"],
ac_boost_lib_path="$withval" [AC_MSG_ERROR([--with-boost-libdir expected directory name])])
else
AC_MSG_ERROR(--with-boost-libdir expected directory name)
fi
], ],
[ac_boost_lib_path=""] [_AX_BOOST_BASE_boost_lib_path=""])
)
if test "x$want_boost" = "xyes"; then BOOST_LDFLAGS=""
boost_lib_version_req=ifelse([$1], ,1.20.0,$1) BOOST_CPPFLAGS=""
boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'` AS_IF([test "x$want_boost" = "xyes"],
boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'` [_AX_BOOST_BASE_RUNDETECT([$1],[$2],[$3])])
boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'` AC_SUBST(BOOST_CPPFLAGS)
boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'` AC_SUBST(BOOST_LDFLAGS)
if test "x$boost_lib_version_req_sub_minor" = "x" ; then ])
boost_lib_version_req_sub_minor="0"
fi
WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+ $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor` # convert a version string in $2 to numeric and affect to polymorphic var $1
AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req) AC_DEFUN([_AX_BOOST_BASE_TONUMERICVERSION],[
AS_IF([test "x$2" = "x"],[_AX_BOOST_BASE_TONUMERICVERSION_req="1.20.0"],[_AX_BOOST_BASE_TONUMERICVERSION_req="$2"])
_AX_BOOST_BASE_TONUMERICVERSION_req_shorten=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([[0-9]]*\.[[0-9]]*\)'`
_AX_BOOST_BASE_TONUMERICVERSION_req_major=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([[0-9]]*\)'`
AS_IF([test "x$_AX_BOOST_BASE_TONUMERICVERSION_req_major" = "x"],
[AC_MSG_ERROR([You should at least specify libboost major version])])
_AX_BOOST_BASE_TONUMERICVERSION_req_minor=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '[[0-9]]*\.\([[0-9]]*\)'`
AS_IF([test "x$_AX_BOOST_BASE_TONUMERICVERSION_req_minor" = "x"],
[_AX_BOOST_BASE_TONUMERICVERSION_req_minor="0"])
_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
AS_IF([test "X$_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor" = "X"],
[_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor="0"])
_AX_BOOST_BASE_TONUMERICVERSION_RET=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req_major \* 100000 \+ $_AX_BOOST_BASE_TONUMERICVERSION_req_minor \* 100 \+ $_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor`
AS_VAR_SET($1,$_AX_BOOST_BASE_TONUMERICVERSION_RET)
])
dnl Run the detection of boost should be run only if $want_boost
AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[
_AX_BOOST_BASE_TONUMERICVERSION(WANT_BOOST_VERSION,[$1])
succeeded=no succeeded=no
AC_REQUIRE([AC_CANONICAL_HOST])
dnl On 64-bit systems check for system libraries in both lib64 and lib. dnl On 64-bit systems check for system libraries in both lib64 and lib.
dnl The former is specified by FHS, but e.g. Debian does not adhere to dnl The former is specified by FHS, but e.g. Debian does not adhere to
dnl this (as it rises problems for generic multi-arch support). dnl this (as it rises problems for generic multi-arch support).
dnl The last entry in the list is chosen by default when no libraries dnl The last entry in the list is chosen by default when no libraries
dnl are found, e.g. when only header-only libraries are installed! dnl are found, e.g. when only header-only libraries are installed!
libsubdirs="lib" AS_CASE([${host_cpu}],
ax_arch=`uname -m` [x86_64],[libsubdirs="lib64 libx32 lib lib64"],
case $ax_arch in [ppc64|powerpc64|s390x|sparc64|aarch64|ppc64le|powerpc64le|riscv64],[libsubdirs="lib64 lib lib64"],
x86_64) [libsubdirs="lib"]
libsubdirs="lib64 libx32 lib lib64" )
;;
ppc64|s390x|sparc64|aarch64|ppc64le)
libsubdirs="lib64 lib lib64"
;;
esac
dnl allow for real multi-arch paths e.g. /usr/lib/x86_64-linux-gnu. Give dnl allow for real multi-arch paths e.g. /usr/lib/x86_64-linux-gnu. Give
dnl them priority over the other paths since, if libs are found there, they dnl them priority over the other paths since, if libs are found there, they
dnl are almost assuredly the ones desired. dnl are almost assuredly the ones desired.
AC_REQUIRE([AC_CANONICAL_HOST]) AS_CASE([${host_cpu}],
libsubdirs="lib/${host_cpu}-${host_os} $libsubdirs" [i?86],[multiarch_libsubdir="lib/i386-${host_os}"],
[multiarch_libsubdir="lib/${host_cpu}-${host_os}"]
case ${host_cpu} in )
i?86)
libsubdirs="lib/i386-${host_os} $libsubdirs"
;;
esac
dnl some arches may advertise a cpu type that doesn't line up with their dnl some arches may advertise a cpu type that doesn't line up with their
dnl prefix's cpu type. For example, uname may report armv7l while libs are dnl prefix's cpu type. For example, uname may report armv7l while libs are
dnl installed to /usr/lib/arm-linux-gnueabihf. Try getting the compiler's dnl installed to /usr/lib/arm-linux-gnueabihf. Try getting the compiler's
dnl value for an extra chance of finding the correct path. dnl value for an extra chance of finding the correct path.
libsubdirs="lib/`$CXX -dumpmachine 2>/dev/null` $libsubdirs" multiarch_libsubdir="lib/`$CXX -dumpmachine 2>/dev/null` $multiarch_libsubdir"
dnl first we check the system location for boost libraries dnl first we check the system location for boost libraries
dnl this location ist chosen if boost libraries are installed with the --layout=system option dnl this location ist chosen if boost libraries are installed with the --layout=system option
dnl or if you install boost with RPM dnl or if you install boost with RPM
if test "$ac_boost_path" != ""; then AS_IF([test "x$_AX_BOOST_BASE_boost_path" != "x"],[
BOOST_CPPFLAGS="-I$ac_boost_path/include" AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) includes in "$_AX_BOOST_BASE_boost_path/include"])
for ac_boost_path_tmp in $libsubdirs; do AS_IF([test -d "$_AX_BOOST_BASE_boost_path/include" && test -r "$_AX_BOOST_BASE_boost_path/include"],[
if test -d "$ac_boost_path"/"$ac_boost_path_tmp" ; then AC_MSG_RESULT([yes])
BOOST_LDFLAGS="-L$ac_boost_path/$ac_boost_path_tmp" BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include"
break for _AX_BOOST_BASE_boost_path_tmp in $multiarch_libsubdir $libsubdirs; do
AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) lib path in "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp"])
AS_IF([test -d "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp" && test -r "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp" ],[
AC_MSG_RESULT([yes])
BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp";
break;
],
[AC_MSG_RESULT([no])])
done],[
AC_MSG_RESULT([no])])
],[
if test X"$cross_compiling" = Xyes; then
search_libsubdirs=$multiarch_libsubdir
else
search_libsubdirs="$multiarch_libsubdir $libsubdirs"
fi fi
for _AX_BOOST_BASE_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
if test -d "$_AX_BOOST_BASE_boost_path_tmp/include/boost" && test -r "$_AX_BOOST_BASE_boost_path_tmp/include/boost" ; then
for libsubdir in $search_libsubdirs ; do
if ls "$_AX_BOOST_BASE_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
done done
elif test "$cross_compiling" != yes; then BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path_tmp/$libsubdir"
for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path_tmp/include"
if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then
for libsubdir in $libsubdirs ; do
if ls "$ac_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
done
BOOST_LDFLAGS="-L$ac_boost_path_tmp/$libsubdir"
BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include"
break; break;
fi fi
done done
fi ])
dnl overwrite ld flags if we have required special directory with dnl overwrite ld flags if we have required special directory with
dnl --with-boost-libdir parameter dnl --with-boost-libdir parameter
if test "$ac_boost_lib_path" != ""; then AS_IF([test "x$_AX_BOOST_BASE_boost_lib_path" != "x"],
BOOST_LDFLAGS="-L$ac_boost_lib_path" [BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_lib_path"])
fi
AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION)])
CPPFLAGS_SAVED="$CPPFLAGS" CPPFLAGS_SAVED="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
export CPPFLAGS export CPPFLAGS
LDFLAGS_SAVED="$LDFLAGS" LDFLAGS_SAVED="$LDFLAGS"
LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
export LDFLAGS export LDFLAGS
AC_REQUIRE([AC_PROG_CXX]) AC_REQUIRE([AC_PROG_CXX])
AC_LANG_PUSH(C++) AC_LANG_PUSH(C++)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[
@%:@include <boost/version.hpp>
]], [[
#if BOOST_VERSION >= $WANT_BOOST_VERSION
// Everything is okay
#else
# error Boost version is too old
#endif
]])],[
AC_MSG_RESULT(yes) AC_MSG_RESULT(yes)
succeeded=yes succeeded=yes
found_system=yes found_system=yes
],[ ],[
]) ])
AC_LANG_POP([C++]) AC_LANG_POP([C++])
dnl if we found no boost with system layout we search for boost libraries dnl if we found no boost with system layout we search for boost libraries
dnl built and installed without the --layout=system option or for a staged(not installed) version dnl built and installed without the --layout=system option or for a staged(not installed) version
if test "x$succeeded" != "xyes"; then if test "x$succeeded" != "xyes" ; then
CPPFLAGS="$CPPFLAGS_SAVED" CPPFLAGS="$CPPFLAGS_SAVED"
LDFLAGS="$LDFLAGS_SAVED" LDFLAGS="$LDFLAGS_SAVED"
BOOST_CPPFLAGS= BOOST_CPPFLAGS=
if test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
BOOST_LDFLAGS= BOOST_LDFLAGS=
fi
_version=0 _version=0
if test "$ac_boost_path" != ""; then if test -n "$_AX_BOOST_BASE_boost_path" ; then
if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path"; then
for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do
_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` _version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
V_CHECK=`expr $_version_tmp \> $_version` V_CHECK=`expr $_version_tmp \> $_version`
if test "$V_CHECK" = "1" ; then if test "x$V_CHECK" = "x1" ; then
_version=$_version_tmp _version=$_version_tmp
fi fi
VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE" BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include/boost-$VERSION_UNDERSCORE"
done done
dnl if nothing found search for layout used in Windows distributions dnl if nothing found search for layout used in Windows distributions
if test -z "$BOOST_CPPFLAGS"; then if test -z "$BOOST_CPPFLAGS"; then
if test -d "$ac_boost_path/boost" && test -r "$ac_boost_path/boost"; then if test -d "$_AX_BOOST_BASE_boost_path/boost" && test -r "$_AX_BOOST_BASE_boost_path/boost"; then
BOOST_CPPFLAGS="-I$ac_boost_path" BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path"
fi
fi fi
dnl if we found something and BOOST_LDFLAGS was unset before
dnl (because "$_AX_BOOST_BASE_boost_lib_path" = ""), set it here.
if test -n "$BOOST_CPPFLAGS" && test -z "$BOOST_LDFLAGS"; then
for libsubdir in $libsubdirs ; do
if ls "$_AX_BOOST_BASE_boost_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
done
BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path/$libsubdir"
fi fi
fi fi
else else
if test "$cross_compiling" != yes; then if test "x$cross_compiling" != "xyes" ; then
for ac_boost_path in /usr /usr/local /opt /opt/local ; do for _AX_BOOST_BASE_boost_path in /usr /usr/local /opt /opt/local ; do
if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path" ; then
for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do
_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` _version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
V_CHECK=`expr $_version_tmp \> $_version` V_CHECK=`expr $_version_tmp \> $_version`
if test "$V_CHECK" = "1" ; then if test "x$V_CHECK" = "x1" ; then
_version=$_version_tmp _version=$_version_tmp
best_path=$ac_boost_path best_path=$_AX_BOOST_BASE_boost_path
fi fi
done done
fi fi
done done
VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE" BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
if test "$ac_boost_lib_path" = ""; then if test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
for libsubdir in $libsubdirs ; do for libsubdir in $libsubdirs ; do
if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
done done
BOOST_LDFLAGS="-L$best_path/$libsubdir" BOOST_LDFLAGS="-L$best_path/$libsubdir"
fi fi
fi fi
if test "x$BOOST_ROOT" != "x"; then if test -n "$BOOST_ROOT" ; then
for libsubdir in $libsubdirs ; do for libsubdir in $libsubdirs ; do
if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
done done
if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/$libsubdir" && test -r "$BOOST_ROOT/stage/$libsubdir"; then if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/$libsubdir" && test -r "$BOOST_ROOT/stage/$libsubdir"; then
version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'` version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'`
stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'` stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'` stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
V_CHECK=`expr $stage_version_shorten \>\= $_version` V_CHECK=`expr $stage_version_shorten \>\= $_version`
if test "$V_CHECK" = "1" -a "$ac_boost_lib_path" = "" ; then if test "x$V_CHECK" = "x1" && test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT) AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
BOOST_CPPFLAGS="-I$BOOST_ROOT" BOOST_CPPFLAGS="-I$BOOST_ROOT"
BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir" BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir"
fi fi
fi fi
fi fi
fi fi
CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
export CPPFLAGS export CPPFLAGS
LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
export LDFLAGS export LDFLAGS
AC_LANG_PUSH(C++) AC_LANG_PUSH(C++)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[
@%:@include <boost/version.hpp>
]], [[
#if BOOST_VERSION >= $WANT_BOOST_VERSION
// Everything is okay
#else
# error Boost version is too old
#endif
]])],[
AC_MSG_RESULT(yes) AC_MSG_RESULT(yes)
succeeded=yes succeeded=yes
found_system=yes found_system=yes
],[ ],[
]) ])
AC_LANG_POP([C++]) AC_LANG_POP([C++])
fi fi
if test "$succeeded" != "yes" ; then if test "x$succeeded" != "xyes" ; then
if test "$_version" = "0" ; then if test "x$_version" = "x0" ; then
AC_MSG_NOTICE([[We could not detect the boost libraries (version $boost_lib_version_req_shorten or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option. If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.]]) AC_MSG_NOTICE([[We could not detect the boost libraries (version $1 or higher). If you have a staged boost library (still not installed) please specify \$BOOST_ROOT in your environment and do not give a PATH to --with-boost option. If you are sure you have boost installed, then check your version number looking in <boost/version.hpp>. See http://randspringer.de/boost for more documentation.]])
else else
AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).]) AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).])
fi fi
# execute ACTION-IF-NOT-FOUND (if present): # execute ACTION-IF-NOT-FOUND (if present):
ifelse([$3], , :, [$3]) ifelse([$3], , :, [$3])
else else
AC_SUBST(BOOST_CPPFLAGS)
AC_SUBST(BOOST_LDFLAGS)
AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available]) AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
# execute ACTION-IF-FOUND (if present): # execute ACTION-IF-FOUND (if present):
ifelse([$2], , :, [$2]) ifelse([$2], , :, [$2])
fi fi
CPPFLAGS="$CPPFLAGS_SAVED" CPPFLAGS="$CPPFLAGS_SAVED"
LDFLAGS="$LDFLAGS_SAVED" LDFLAGS="$LDFLAGS_SAVED"
fi
]) ])