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A test for Boost filesystem v2 vs v3

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This commit is contained in:
Moritz Bunkus 2011-02-15 16:54:15 +01:00
parent 8872b1ee3b
commit 70235732c1
1 changed files with 21 additions and 4 deletions
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25
ac/ax_boost_filesystem.m4
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@ -106,10 +106,6 @@ AC_DEFUN([AX_BOOST_FILESYSTEM],
fi
fi
CPPFLAGS="$CPPFLAGS_SAVED"
LDFLAGS="$LDFLAGS_SAVED"
LIBS="$LIBS_SAVED"
if test x"$link_filesystem" != "xyes" ; then
if test x"$ax_lib" = "x" ; then
AC_MSG_ERROR([The Boost::Filesystem library was not found in $BOOSTLIBDIR.])
@ -117,5 +113,26 @@ AC_DEFUN([AX_BOOST_FILESYSTEM],
AC_MSG_ERROR([The Boost::Filesystem library is required and it was found, but linking against it failed.])
fi
fi
AC_CACHE_CHECK(Boost::Filesystem library version,
ax_cv_boost_filesystem_version,
[
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/filesystem/path.hpp>]],
[[using namespace boost::filesystem;
path my_path( "foo/bar/data.txt" );
my_path.filename().native();
return 0;]]),
ax_cv_boost_filesystem_version=3, ax_cv_boost_filesystem_version=2)
AC_LANG_POP([C++])
])
if test x"$ax_cv_boost_filesystem_version" = "x3" ; then
AC_DEFINE(HAVE_BOOST_FILESYSTEM_V3,,[define if the Boost library is available])
fi
CPPFLAGS="$CPPFLAGS_SAVED"
LDFLAGS="$LDFLAGS_SAVED"
LIBS="$LIBS_SAVED"
fi
])