1 # ===========================================================================
2 # https://www.gnu.org/software/autoconf-archive/ax_boost_base.html
3 # ===========================================================================
7 # AX_BOOST_BASE([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
11 # Test for the Boost C++ libraries of a particular version (or newer)
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>.
20 # AC_SUBST(BOOST_CPPFLAGS) / AC_SUBST(BOOST_LDFLAGS)
28 # Copyright (c) 2008 Thomas Porschberg <thomas@randspringer.de>
29 # Copyright (c) 2009 Peter Adolphs
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
38 # example boost program (need to pass version)
39 m4_define([_AX_BOOST_BASE_PROGRAM],
41 #include <boost/version.hpp>
43 (void) ((void)sizeof(char[1 - 2*!!((BOOST_VERSION) < ($1))]));
46 AC_DEFUN([AX_BOOST_BASE],
49 [AS_HELP_STRING([--with-boost@<:@=ARG@:>@],
50 [use Boost library from a standard location (ARG=yes),
51 from the specified location (ARG=<path>),
52 or disable it (ARG=no)
56 [no],[want_boost="no";_AX_BOOST_BASE_boost_path=""],
57 [yes],[want_boost="yes";_AX_BOOST_BASE_boost_path=""],
58 [want_boost="yes";_AX_BOOST_BASE_boost_path="$withval"])
63 AC_ARG_WITH([boost-libdir],
64 [AS_HELP_STRING([--with-boost-libdir=LIB_DIR],
65 [Force given directory for boost libraries.
66 Note that this will override library path detection,
67 so use this parameter only if default library detection fails
68 and you know exactly where your boost libraries are located.])],
70 AS_IF([test -d "$withval"],
71 [_AX_BOOST_BASE_boost_lib_path="$withval"],
72 [AC_MSG_ERROR([--with-boost-libdir expected directory name])])
74 [_AX_BOOST_BASE_boost_lib_path=""])
78 AS_IF([test "x$want_boost" = "xyes"],
79 [_AX_BOOST_BASE_RUNDETECT([$1],[$2],[$3])])
80 AC_SUBST(BOOST_CPPFLAGS)
81 AC_SUBST(BOOST_LDFLAGS)
85 # convert a version string in $2 to numeric and affect to polymorphic var $1
86 AC_DEFUN([_AX_BOOST_BASE_TONUMERICVERSION],[
87 AS_IF([test "x$2" = "x"],[_AX_BOOST_BASE_TONUMERICVERSION_req="1.20.0"],[_AX_BOOST_BASE_TONUMERICVERSION_req="$2"])
88 _AX_BOOST_BASE_TONUMERICVERSION_req_shorten=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([[0-9]]*\.[[0-9]]*\)'`
89 _AX_BOOST_BASE_TONUMERICVERSION_req_major=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '\([[0-9]]*\)'`
90 AS_IF([test "x$_AX_BOOST_BASE_TONUMERICVERSION_req_major" = "x"],
91 [AC_MSG_ERROR([You should at least specify libboost major version])])
92 _AX_BOOST_BASE_TONUMERICVERSION_req_minor=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '[[0-9]]*\.\([[0-9]]*\)'`
93 AS_IF([test "x$_AX_BOOST_BASE_TONUMERICVERSION_req_minor" = "x"],
94 [_AX_BOOST_BASE_TONUMERICVERSION_req_minor="0"])
95 _AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor=`expr $_AX_BOOST_BASE_TONUMERICVERSION_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
96 AS_IF([test "X$_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor" = "X"],
97 [_AX_BOOST_BASE_TONUMERICVERSION_req_sub_minor="0"])
98 _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`
99 AS_VAR_SET($1,$_AX_BOOST_BASE_TONUMERICVERSION_RET)
102 dnl Run the detection of boost should be run only if $want_boost
103 AC_DEFUN([_AX_BOOST_BASE_RUNDETECT],[
104 _AX_BOOST_BASE_TONUMERICVERSION(WANT_BOOST_VERSION,[$1])
108 AC_REQUIRE([AC_CANONICAL_HOST])
109 dnl On 64-bit systems check for system libraries in both lib64 and lib.
110 dnl The former is specified by FHS, but e.g. Debian does not adhere to
111 dnl this (as it rises problems for generic multi-arch support).
112 dnl The last entry in the list is chosen by default when no libraries
113 dnl are found, e.g. when only header-only libraries are installed!
114 AS_CASE([${host_cpu}],
115 [x86_64],[libsubdirs="lib64 libx32 lib lib64"],
116 [ppc64|s390x|sparc64|aarch64|ppc64le],[libsubdirs="lib64 lib lib64"],
120 dnl allow for real multi-arch paths e.g. /usr/lib/x86_64-linux-gnu. Give
121 dnl them priority over the other paths since, if libs are found there, they
122 dnl are almost assuredly the ones desired.
123 AS_CASE([${host_cpu}],
124 [i?86],[multiarch_libsubdir="lib/i386-${host_os}"],
125 [multiarch_libsubdir="lib/${host_cpu}-${host_os}"]
128 dnl first we check the system location for boost libraries
129 dnl this location ist chosen if boost libraries are installed with the --layout=system option
130 dnl or if you install boost with RPM
131 AS_IF([test "x$_AX_BOOST_BASE_boost_path" != "x"],[
132 AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) includes in "$_AX_BOOST_BASE_boost_path/include"])
133 AS_IF([test -d "$_AX_BOOST_BASE_boost_path/include" && test -r "$_AX_BOOST_BASE_boost_path/include"],[
135 BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include"
136 for _AX_BOOST_BASE_boost_path_tmp in $multiarch_libsubdir $libsubdirs; do
137 AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION) lib path in "$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp"])
138 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" ],[
140 BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path/$_AX_BOOST_BASE_boost_path_tmp";
143 [AC_MSG_RESULT([no])])
145 AC_MSG_RESULT([no])])
147 if test X"$cross_compiling" = Xyes; then
148 search_libsubdirs=$multiarch_libsubdir
150 search_libsubdirs="$multiarch_libsubdir $libsubdirs"
152 for _AX_BOOST_BASE_boost_path_tmp in /usr /usr/local /opt /opt/local ; do
153 if test -d "$_AX_BOOST_BASE_boost_path_tmp/include/boost" && test -r "$_AX_BOOST_BASE_boost_path_tmp/include/boost" ; then
154 for libsubdir in $search_libsubdirs ; do
155 if ls "$_AX_BOOST_BASE_boost_path_tmp/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
157 BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path_tmp/$libsubdir"
158 BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path_tmp/include"
164 dnl overwrite ld flags if we have required special directory with
165 dnl --with-boost-libdir parameter
166 AS_IF([test "x$_AX_BOOST_BASE_boost_lib_path" != "x"],
167 [BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_lib_path"])
169 AC_MSG_CHECKING([for boostlib >= $1 ($WANT_BOOST_VERSION)])
170 CPPFLAGS_SAVED="$CPPFLAGS"
171 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
174 LDFLAGS_SAVED="$LDFLAGS"
175 LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
178 AC_REQUIRE([AC_PROG_CXX])
180 AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[
190 dnl if we found no boost with system layout we search for boost libraries
191 dnl built and installed without the --layout=system option or for a staged(not installed) version
192 if test "x$succeeded" != "xyes" ; then
193 CPPFLAGS="$CPPFLAGS_SAVED"
194 LDFLAGS="$LDFLAGS_SAVED"
196 if test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
200 if test -n "$_AX_BOOST_BASE_boost_path" ; then
201 if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path"; then
202 for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do
203 _version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
204 V_CHECK=`expr $_version_tmp \> $_version`
205 if test "x$V_CHECK" = "x1" ; then
206 _version=$_version_tmp
208 VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
209 BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path/include/boost-$VERSION_UNDERSCORE"
211 dnl if nothing found search for layout used in Windows distributions
212 if test -z "$BOOST_CPPFLAGS"; then
213 if test -d "$_AX_BOOST_BASE_boost_path/boost" && test -r "$_AX_BOOST_BASE_boost_path/boost"; then
214 BOOST_CPPFLAGS="-I$_AX_BOOST_BASE_boost_path"
217 dnl if we found something and BOOST_LDFLAGS was unset before
218 dnl (because "$_AX_BOOST_BASE_boost_lib_path" = ""), set it here.
219 if test -n "$BOOST_CPPFLAGS" && test -z "$BOOST_LDFLAGS"; then
220 for libsubdir in $libsubdirs ; do
221 if ls "$_AX_BOOST_BASE_boost_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
223 BOOST_LDFLAGS="-L$_AX_BOOST_BASE_boost_path/$libsubdir"
227 if test "x$cross_compiling" != "xyes" ; then
228 for _AX_BOOST_BASE_boost_path in /usr /usr/local /opt /opt/local ; do
229 if test -d "$_AX_BOOST_BASE_boost_path" && test -r "$_AX_BOOST_BASE_boost_path" ; then
230 for i in `ls -d $_AX_BOOST_BASE_boost_path/include/boost-* 2>/dev/null`; do
231 _version_tmp=`echo $i | sed "s#$_AX_BOOST_BASE_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
232 V_CHECK=`expr $_version_tmp \> $_version`
233 if test "x$V_CHECK" = "x1" ; then
234 _version=$_version_tmp
235 best_path=$_AX_BOOST_BASE_boost_path
241 VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
242 BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
243 if test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
244 for libsubdir in $libsubdirs ; do
245 if ls "$best_path/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
247 BOOST_LDFLAGS="-L$best_path/$libsubdir"
251 if test -n "$BOOST_ROOT" ; then
252 for libsubdir in $libsubdirs ; do
253 if ls "$BOOST_ROOT/stage/$libsubdir/libboost_"* >/dev/null 2>&1 ; then break; fi
255 if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/$libsubdir" && test -r "$BOOST_ROOT/stage/$libsubdir"; then
256 version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'`
257 stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
258 stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
259 V_CHECK=`expr $stage_version_shorten \>\= $_version`
260 if test "x$V_CHECK" = "x1" && test -z "$_AX_BOOST_BASE_boost_lib_path" ; then
261 AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
262 BOOST_CPPFLAGS="-I$BOOST_ROOT"
263 BOOST_LDFLAGS="-L$BOOST_ROOT/stage/$libsubdir"
269 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
271 LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
275 AC_COMPILE_IFELSE([_AX_BOOST_BASE_PROGRAM($WANT_BOOST_VERSION)],[
284 if test "x$succeeded" != "xyes" ; then
285 if test "x$_version" = "x0" ; then
286 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.]])
288 AC_MSG_NOTICE([Your boost libraries seems to old (version $_version).])
290 # execute ACTION-IF-NOT-FOUND (if present):
291 ifelse([$3], , :, [$3])
293 AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
294 # execute ACTION-IF-FOUND (if present):
295 ifelse([$2], , :, [$2])
298 CPPFLAGS="$CPPFLAGS_SAVED"
299 LDFLAGS="$LDFLAGS_SAVED"