mirror of
https://github.com/jezhiggins/arabica
synced 2025-01-01 06:20:38 +01:00
163 lines
7.8 KiB
Text
163 lines
7.8 KiB
Text
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AC_DEFUN([ARABICA_HAS_BOOST],
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[
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AC_ARG_WITH([boost],
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AS_HELP_STRING([--with-boost=DIR],
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[use boost (default is NO) specify the root directory for boost library (optional)]),
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[
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if test "$withval" = "no"; then
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want_boost="no"
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elif test "$withval" = "yes"; then
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want_boost="yes"
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ac_boost_path=""
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else
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want_boost="yes"
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ac_boost_path="$withval"
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fi
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],
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[want_boost="yes"])
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if test "x$want_boost" = "xyes"; then
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AC_REQUIRE([AC_PROG_CC])
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boost_lib_version_req=ifelse([$1], ,1.20.0,$1)
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boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([[0-9]]*\.[[0-9]]*\)'`
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boost_lib_version_req_major=`expr $boost_lib_version_req : '\([[0-9]]*\)'`
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boost_lib_version_req_minor=`expr $boost_lib_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
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boost_lib_version_req_sub_minor=`expr $boost_lib_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
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if test "x$boost_lib_version_req_sub_minor" = "x" ; then
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boost_lib_version_req_sub_minor="0"
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fi
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WANT_BOOST_VERSION=`expr $boost_lib_version_req_major \* 100000 \+ $boost_lib_version_req_minor \* 100 \+ $boost_lib_version_req_sub_minor`
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AC_MSG_CHECKING(for boostlib >= $boost_lib_version_req)
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succeeded=no
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dnl first we check the system location for boost libraries
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dnl this location ist chosen if boost libraries are installed with the --layout=system option
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dnl or if you install boost with RPM
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if test "$ac_boost_path" != ""; then
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BOOST_CPPFLAGS="-I$ac_boost_path"
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else
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for ac_boost_path_tmp in /usr/include /usr/local/include /opt /opt/include ; do
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if test -d "$ac_boost_path_tmp/boost" && test -r "$ac_boost_path_tmp/boost"; then
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BOOST_CPPFLAGS="-I$ac_boost_path_tmp"
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break;
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fi
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done
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fi
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CPPFLAGS_SAVED="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
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export CPPFLAGS
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AC_LANG_PUSH(C++)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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@%:@include <boost/version.hpp>
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]],
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[[
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#if BOOST_VERSION >= $WANT_BOOST_VERSION
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// Everything is okay
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#else
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# error Boost version is too old
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#endif
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]])],
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[
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AC_MSG_RESULT(yes)
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succeeded=yes
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found_system=yes
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ifelse([$2], , :, [$2])
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],
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[
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])
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AC_LANG_POP([C++])
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dnl if we found no boost with system layout we search for boost libraries
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dnl built and installed without the --layout=system option or for a staged(not installed) version
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if test "x$succeeded" != "xyes"; then
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_version=0
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if test "$ac_boost_path" != ""; then
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BOOST_LDFLAGS="-L$ac_boost_path/lib"
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if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
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for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
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_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
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V_CHECK=`expr $_version_tmp \> $_version`
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if test "$V_CHECK" = "1" ; then
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_version=$_version_tmp
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fi
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VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
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BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
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done
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fi
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else
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for ac_boost_path in /usr /usr/local /opt ; do
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if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
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for i in `ls -d $ac_boost_path/include/boost-* 2>/dev/null`; do
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_version_tmp=`echo $i | sed "s#$ac_boost_path##" | sed 's/\/include\/boost-//' | sed 's/_/./'`
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V_CHECK=`expr $_version_tmp \> $_version`
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if test "$V_CHECK" = "1" ; then
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_version=$_version_tmp
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best_path=$ac_boost_path
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fi
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done
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fi
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done
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VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
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BOOST_CPPFLAGS="-I$best_path/include/boost-$VERSION_UNDERSCORE"
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if test "x$BOOST_ROOT" != "x"; then
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if test -d "$BOOST_ROOT" && test -r "$BOOST_ROOT" && test -d "$BOOST_ROOT/stage/lib" && test -r "$BOOST_ROOT/stage/lib"; then
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version_dir=`expr //$BOOST_ROOT : '.*/\(.*\)'`
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stage_version=`echo $version_dir | sed 's/boost_//' | sed 's/_/./g'`
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stage_version_shorten=`expr $stage_version : '\([[0-9]]*\.[[0-9]]*\)'`
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V_CHECK=`expr $stage_version_shorten \>\= $_version`
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if test "$V_CHECK" = "1" ; then
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AC_MSG_NOTICE(We will use a staged boost library from $BOOST_ROOT)
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BOOST_CPPFLAGS="-I$BOOST_ROOT"
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fi
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fi
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fi
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fi
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CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
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export CPPFLAGS
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AC_LANG_PUSH(C++)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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@%:@include <boost/version.hpp>
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]],
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[[
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#if BOOST_VERSION >= $WANT_BOOST_VERSION
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// Everything is okay
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#else
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# error Boost version is too old
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#endif
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]])],
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[
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AC_MSG_RESULT(yes ($_version))
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succeeded=yes
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ifelse([$2], , :, [$2])
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],
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[
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AC_MSG_RESULT(no ($_version))
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ifelse([$3], , :, [$3])
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])
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AC_LANG_POP([C++])
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fi
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if test "$succeeded" != "yes" ; then
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if test "$_version" = "0" ; then
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AC_MSG_ERROR([[Could not detect the boost libraries (version $boost_lib_version_req_shorten or higher). If you do have boost installed, then check your version number looking in <boost/version.hpp>. ]])
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else
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AC_MSG_ERROR('Your boost libraries seems to old (version $_version). We need at least $boost_lib_version_shorten')
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fi
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else
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AC_SUBST(BOOST_CPPFLAGS)
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AC_DEFINE(HAVE_BOOST,,[define if the Boost library is available])
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fi
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CPPFLAGS="$CPPFLAGS_SAVED"
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fi
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])
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