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Diffstat (limited to 'build/ax_boost_base.m4')
| -rw-r--r-- | build/ax_boost_base.m4 | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/build/ax_boost_base.m4 b/build/ax_boost_base.m4 new file mode 100644 index 0000000..575a51e --- /dev/null +++ b/build/ax_boost_base.m4 @@ -0,0 +1,198 @@ +##### http://autoconf-archive.cryp.to/ax_boost_base.html +# +# SYNOPSIS +# +# AX_BOOST_BASE([MINIMUM-VERSION]) +# +# DESCRIPTION +# +# Test for the Boost C++ libraries of a particular version (or newer) +# +# If no path to the installed boost library is given the macro +# searchs under /usr, /usr/local, and /opt, and evaluates the +# $BOOST_ROOT environment variable. Further documentation is +# available at <http://randspringer.de/boost/index.html>. +# +# This macro calls: +# +# AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS) +# +# And sets: +# +# HAVE_BOOST +# +# LAST MODIFICATION +# +# 2006-12-28 +# +# COPYLEFT +# +# Copyright (c) 2006 Thomas Porschberg <thomas@randspringer.de> +# +# Copying and distribution of this file, with or without +# modification, are permitted in any medium without royalty provided +# the copyright notice and this notice are preserved. + +AC_DEFUN([AX_BOOST_BASE], +[ +AC_ARG_WITH([boost], + AS_HELP_STRING([--with-boost@<:@=DIR@:>@], [use boost (default is No) - it is possible to specify the root directory for boost (optional)]), + [ + if test "$withval" = "no"; then + want_boost="no" + elif test "$withval" = "yes"; then + want_boost="yes" + ac_boost_path="" + else + want_boost="yes" + ac_boost_path="$withval" + fi + ], + [want_boost="yes"]) + +if test "x$want_boost" = "xyes"; then + boost_lib_version_req=ifelse([$1], ,1.20.0,$1) + boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'` + boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'` + boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'` + boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'` + 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` + AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req) + succeeded=no + + dnl first we check the system location for boost libraries + dnl this location ist chosen if boost libraries are installed with the --layout=system option + dnl or if you install boost with RPM + if test "$ac_boost_path" != ""; then + BOOST_LDFLAGS="-L$ac_boost_path/lib" + BOOST_CPPFLAGS="-I$ac_boost_path/include" + else + for ac_boost_path_tmp in /usr /usr/local /opt ; do + if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then + BOOST_LDFLAGS="-L$ac_boost_path_tmp/lib" + BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include" + break; + fi + done + fi + + CPPFLAGS_SAVED="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" + export CPPFLAGS + + LDFLAGS_SAVED="$LDFLAGS" + LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" + export LDFLAGS + + AC_LANG_PUSH(C++) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + @%:@include <boost/version.hpp> + ]], [[ + #if BOOST_VERSION >= $WANT_BOOST_VERSION + // Everything is okay + #else + # error Boost version is too old + #endif + ]])],[ + AC_MSG_RESULT(yes) + succeeded=yes + found_system=yes + ],[ + ]) + AC_LANG_POP([C++]) + + + + dnl if we found no boost with system layout we search for boost libraries + dnl built and installed without the --layout=system option or for a staged(not installed) version + if test "x$succeeded" != "xyes"; then + _version=0 + if test "$ac_boost_path" != ""; then + BOOST_LDFLAGS="-L$ac_boost_path/lib" + if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then + for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do + _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` + V_CHECK=`expr $_version_tmp \> $_version` + if test "$V_CHECK" = "1" ; then + _version=$_version_tmp + fi + VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` + BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE" + done + fi + else + for ac_boost_path in /usr /usr/local /opt ; do + if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then + for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do + _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` + V_CHECK=`expr $_version_tmp \> $_version` + if test "$V_CHECK" = "1" ; then + _version=$_version_tmp + best_path=$ac_boost_path + fi + done + fi + done + + VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` + BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE" + BOOST_LDFLAGS="-L$best_path/lib" + + if test "x$BOOST_ROOT" != "x"; then + if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/lib" && test -r "$BOOST_ROOT/stage/lib"; then + version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'` + stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'` + stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'` + V_CHECK=`expr $stage_version_shorten \>\= $_version` + if test "$V_CHECK" = "1" ; then + AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT) + BOOST_CPPFLAGS="-I$BOOST_ROOT" + BOOST_LDFLAGS="-L$BOOST_ROOT/stage/lib" + fi + fi + fi + fi + + CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" + export CPPFLAGS + LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" + export LDFLAGS + + AC_LANG_PUSH(C++) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + @%:@include <boost/version.hpp> + ]], [[ + #if BOOST_VERSION >= $WANT_BOOST_VERSION + // Everything is okay + #else + # error Boost version is too old + #endif + ]])],[ + AC_MSG_RESULT(yes) + succeeded=yes + found_system=yes + ],[ + ]) + AC_LANG_POP([C++]) + fi + + if test "$succeeded" != "yes" ; then + if test "$_version" = "0" ; then + AC_MSG_ERROR([[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.]]) + else + AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).]) + fi + else + AC_SUBST(BOOST_CPPFLAGS) + AC_SUBST(BOOST_LDFLAGS) + AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available]) + fi + + CPPFLAGS="$CPPFLAGS_SAVED" + LDFLAGS="$LDFLAGS_SAVED" +fi + +]) |