ax_boost_filesystem.m4

   1 ##### http://autoconf-archive.cryp.to/ax_boost_filesystem.html
   2 #
   3 # SYNOPSIS
   4 #
   5 #   AX_BOOST_FILESYSTEM
   6 #
   7 # DESCRIPTION
   8 #
   9 #   Test for Filesystem library from the Boost C++ libraries. The macro
  10 #   requires a preceding call to AX_BOOST_BASE. Further documentation
  11 #   is available at <http://randspringer.de/boost/index.html>.
  12 #
  13 #   This macro calls:
  14 #
  15 #     AC_SUBST(BOOST_FILESYSTEM_LIB)
  16 #
  17 #   And sets:
  18 #
  19 #     HAVE_BOOST_FILESYSTEM
  20 #
  21 # LAST MODIFICATION
  22 #
  23 #   2006-12-28
  24 #
  25 # COPYLEFT
  26 #
  27 #   Copyright (c) 2006 Thomas Porschberg <thomas@randspringer.de>
  28 #   Copyright (c) 2006 Michael Tindal <mtindal@paradoxpoint.com>
  29 #
  30 #   Copying and distribution of this file, with or without
  31 #   modification, are permitted in any medium without royalty provided
  32 #   the copyright notice and this notice are preserved.
  33
  34 AC_DEFUN([AX_BOOST_FILESYSTEM],
  35 [
  36         AC_ARG_WITH([boost-filesystem],
  37         AS_HELP_STRING([--with-boost-filesystem@<:@=special-lib@:>@],
  38                    [use the Filesystem library from boost - it is possible to specify a certain library for the linker
  39                         e.g. --with-boost-filesystem=boost_filesystem-gcc-mt ]),
  40         [
  41         if test "$withval" = "no"; then
  42                         want_boost="no"
  43         elif test "$withval" = "yes"; then
  44             want_boost="yes"
  45             ax_boost_user_filesystem_lib=""
  46         else
  47                     want_boost="yes"
  48                 ax_boost_user_filesystem_lib="$withval"
  49                 fi
  50         ],
  51         [want_boost="yes"]
  52         )
  53
  54         if test "x$want_boost" = "xyes"; then
  55         AC_REQUIRE([AC_PROG_CC])
  56                 CPPFLAGS_SAVED="$CPPFLAGS"
  57                 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
  58                 export CPPFLAGS
  59
  60                 LDFLAGS_SAVED="$LDFLAGS"
  61                 LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
  62                 export LDFLAGS
  63
  64         AC_CACHE_CHECK(whether the Boost::Filesystem library is available,
  65                                            ax_cv_boost_filesystem,
  66         [AC_LANG_PUSH([C++])
  67          AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/filesystem/path.hpp>]],
  68                                    [[using namespace boost::filesystem;
  69                                    path my_path( "foo/bar/data.txt" );
  70                                    return 0;]]),
  71                                                ax_cv_boost_filesystem=yes, ax_cv_boost_filesystem=no)
  72          AC_LANG_POP([C++])
  73                 ])
  74                 if test "x$ax_cv_boost_filesystem" = "xyes"; then
  75                         AC_DEFINE(HAVE_BOOST_FILESYSTEM,,[define if the Boost::Filesystem library is available])
  76                         BN=boost_filesystem
  77             if test "x$ax_boost_user_filesystem_lib" = "x"; then
  78                         for ax_lib in $BN $BN-$CC $BN-$CC-mt $BN-$CC-mt-s $BN-$CC-s \
  79                               lib$BN lib$BN-$CC lib$BN-$CC-mt lib$BN-$CC-mt-s lib$BN-$CC-s \
  80                               $BN-mgw $BN-mgw $BN-mgw-mt $BN-mgw-mt-s $BN-mgw-s ; do
  81                                     AC_CHECK_LIB($ax_lib, main,
  82                                  [BOOST_FILESYSTEM_LIB="-l$ax_lib" AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes" break],
  83                                  [link_filesystem="no"])
  84                                 done
  85             else
  86                for ax_lib in $ax_boost_user_filesystem_lib $BN-$ax_boost_user_filesystem_lib; do
  87                                       AC_CHECK_LIB($ax_lib, main,
  88                                    [BOOST_FILESYSTEM_LIB="-l$ax_lib" AC_SUBST(BOOST_FILESYSTEM_LIB) link_filesystem="yes" break],
  89                                    [link_filesystem="no"])
  90                   done
  91
  92             fi
  93                         if test "x$link_filesystem" = "xno"; then
  94                                 AC_MSG_ERROR(Could not link against $ax_lib !)
  95                         fi
  96                 fi
  97
  98                 CPPFLAGS="$CPPFLAGS_SAVED"
  99         LDFLAGS="$LDFLAGS_SAVED"
 100         fi
 101 ])