1# =========================================================================== 2# http://www.gnu.org/software/autoconf-archive/ax_boost_base.html 3# =========================================================================== 4# 5# SYNOPSIS 6# 7# AX_BOOST_BASE([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) 8# 9# DESCRIPTION 10# 11# Test for the Boost C++ libraries of a particular version (or newer) 12# 13# If no path to the installed boost library is given the macro searchs 14# under /usr, /usr/local, /opt and /opt/local and evaluates the 15# $BOOST_ROOT environment variable. Further documentation is available at 16# <http://randspringer.de/boost/index.html>. 17# 18# This macro calls: 19# 20# AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS) 21# 22# And sets: 23# 24# HAVE_BOOST 25# 26# LICENSE 27# 28# Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de> 29# Copyright (c) 2009 Peter Adolphs 30# 31# Copying and distribution of this file, with or without modification, are 32# permitted in any medium without royalty provided the copyright notice 33# and this notice are preserved. This file is offered as-is, without any 34# warranty. 35 36#serial 25 37 38AC_DEFUN([AX_BOOST_BASE], 39[ 40AC_ARG_WITH([boost], 41 [AS_HELP_STRING([--with-boost@<:@=ARG@:>@], 42 [use Boost library from a standard location (ARG=yes), 43 from the specified location (ARG=<path>), 44 or disable it (ARG=no) 45 @<:@ARG=yes@:>@ ])], 46 [ 47 if test "$withval" = "no"; then 48 want_boost="no" 49 elif test "$withval" = "yes"; then 50 want_boost="yes" 51 ac_boost_path="" 52 else 53 want_boost="yes" 54 ac_boost_path="$withval" 55 fi 56 ], 57 [want_boost="yes"]) 58 59 60AC_ARG_WITH([boost-libdir], 61 AS_HELP_STRING([--with-boost-libdir=LIB_DIR], 62 [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.]), 63 [ 64 if test -d "$withval" 65 then 66 ac_boost_lib_path="$withval" 67 else 68 AC_MSG_ERROR(--with-boost-libdir expected directory name) 69 fi 70 ], 71 [ac_boost_lib_path=""] 72) 73 74if test "x$want_boost" = "xyes"; then 75 boost_lib_version_req=ifelse([$1], ,1.20.0,$1) 76 boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'` 77 boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'` 78 boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'` 79 boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'` 80 if test "x$boost_lib_version_req_sub_minor" = "x" ; then 81 boost_lib_version_req_sub_minor="0" 82 fi 83 WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+ $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor` 84 AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req) 85 succeeded=no 86 87 dnl On 64-bit systems check for system libraries in both lib64 and lib. 88 dnl The former is specified by FHS, but e.g. Debian does not adhere to 89 dnl this (as it rises problems for generic multi-arch support). 90 dnl The last entry in the list is chosen by default when no libraries 91 dnl are found, e.g. when only header-only libraries are installed! 92 libsubdirs="lib" 93 ax_arch=`uname -m` 94 case $ax_arch in 95 x86_64) 96 libsubdirs="lib64 libx32 lib lib64" 97 ;; 98 ppc64|s390x|sparc64|aarch64|ppc64le) 99 libsubdirs="lib64 lib lib64 ppc64le" 100 ;; 101 esac 102 103 dnl allow for real multi-arch paths e.g. /usr/lib/x86_64-linux-gnu. Give 104 dnl them priority over the other paths since, if libs are found there, they 105 dnl are almost assuredly the ones desired. 106 AC_REQUIRE([AC_CANONICAL_HOST]) 107 libsubdirs="lib/${host_cpu}-${host_os} $libsubdirs" 108 109 case ${host_cpu} in 110 i?86) 111 libsubdirs="lib/i386-${host_os} $libsubdirs" 112 ;; 113 esac 114 115 dnl first we check the system location for boost libraries 116 dnl this location ist chosen if boost libraries are installed with the --layout=system option 117 dnl or if you install boost with RPM 118 if test "$ac_boost_path" != ""; then 119 BOOST_CPPFLAGS="-I$ac_boost_path/include" 120 for ac_boost_path_tmp in $libsubdirs; do 121 if test -d "$ac_boost_path"/"$ac_boost_path_tmp" ; then 122 BOOST_LDFLAGS="-L$ac_boost_path/$ac_boost_path_tmp" 123 break 124 fi 125 done 126 elif test "$cross_compiling" != yes; then 127 for ac_boost_path_tmp in /usr /usr/local /opt /opt/local ; do 128 if test -d "$ac_boost_path_tmp/include/boost" && test -r "$ac_boost_path_tmp/include/boost"; then 129 for libsubdir in $libsubdirs ; do 130 if ls "$ac_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi 131 done 132 BOOST_LDFLAGS="-L$ac_boost_path_tmp/$libsubdir" 133 BOOST_CPPFLAGS="-I$ac_boost_path_tmp/include" 134 break; 135 fi 136 done 137 fi 138 139 dnl overwrite ld flags if we have required special directory with 140 dnl --with-boost-libdir parameter 141 if test "$ac_boost_lib_path" != ""; then 142 BOOST_LDFLAGS="-L$ac_boost_lib_path" 143 fi 144 145 CPPFLAGS_SAVED="$CPPFLAGS" 146 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" 147 export CPPFLAGS 148 149 LDFLAGS_SAVED="$LDFLAGS" 150 LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" 151 export LDFLAGS 152 153 AC_REQUIRE([AC_PROG_CXX]) 154 AC_LANG_PUSH(C++) 155 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 156 @%:@include <boost/version.hpp> 157 ]], [[ 158 #if BOOST_VERSION >= $WANT_BOOST_VERSION 159 // Everything is okay 160 #else 161 # error Boost version is too old 162 #endif 163 ]])],[ 164 AC_MSG_RESULT(yes) 165 succeeded=yes 166 found_system=yes 167 ],[ 168 ]) 169 AC_LANG_POP([C++]) 170 171 172 173 dnl if we found no boost with system layout we search for boost libraries 174 dnl built and installed without the --layout=system option or for a staged(not installed) version 175 if test "x$succeeded" != "xyes"; then 176 _version=0 177 if test "$ac_boost_path" != ""; then 178 if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then 179 for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do 180 _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` 181 V_CHECK=`expr $_version_tmp \> $_version` 182 if test "$V_CHECK" = "1" ; then 183 _version=$_version_tmp 184 fi 185 VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` 186 BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE" 187 done 188 fi 189 else 190 if test "$cross_compiling" != yes; then 191 for ac_boost_path in /usr /usr/local /opt /opt/local ; do 192 if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then 193 for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do 194 _version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'` 195 V_CHECK=`expr $_version_tmp \> $_version` 196 if test "$V_CHECK" = "1" ; then 197 _version=$_version_tmp 198 best_path=$ac_boost_path 199 fi 200 done 201 fi 202 done 203 204 VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'` 205 BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE" 206 if test "$ac_boost_lib_path" = ""; then 207 for libsubdir in $libsubdirs ; do 208 if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi 209 done 210 BOOST_LDFLAGS="-L$best_path/$libsubdir" 211 fi 212 fi 213 214 if test "x$BOOST_ROOT" != "x"; then 215 for libsubdir in $libsubdirs ; do 216 if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi 217 done 218 if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/$libsubdir" && test -r "$BOOST_ROOT/stage/$libsubdir"; then 219 version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'` 220 stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'` 221 stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'` 222 V_CHECK=`expr $stage_version_shorten \>\= $_version` 223 if test "$V_CHECK" = "1" -a "$ac_boost_lib_path" = "" ; then 224 AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT) 225 BOOST_CPPFLAGS="-I$BOOST_ROOT" 226 BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir" 227 fi 228 fi 229 fi 230 fi 231 232 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS" 233 export CPPFLAGS 234 LDFLAGS="$LDFLAGS $BOOST_LDFLAGS" 235 export LDFLAGS 236 237 AC_LANG_PUSH(C++) 238 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 239 @%:@include <boost/version.hpp> 240 ]], [[ 241 #if BOOST_VERSION >= $WANT_BOOST_VERSION 242 // Everything is okay 243 #else 244 # error Boost version is too old 245 #endif 246 ]])],[ 247 AC_MSG_RESULT(yes) 248 succeeded=yes 249 found_system=yes 250 ],[ 251 ]) 252 AC_LANG_POP([C++]) 253 fi 254 255 if test "$succeeded" != "yes" ; then 256 if test "$_version" = "0" ; then 257 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.]]) 258 else 259 AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).]) 260 fi 261 # execute ACTION-IF-NOT-FOUND (if present): 262 ifelse([$3], , :, [$3]) 263 else 264 AC_SUBST(BOOST_CPPFLAGS) 265 AC_SUBST(BOOST_LDFLAGS) 266 AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available]) 267 # execute ACTION-IF-FOUND (if present): 268 ifelse([$2], , :, [$2]) 269 fi 270 271 CPPFLAGS="$CPPFLAGS_SAVED" 272 LDFLAGS="$LDFLAGS_SAVED" 273fi 274 275]) 276