folly/m4/ax_boost_chrono.m4

   1 # ===========================================================================
   2 #      http://www.gnu.org/software/autoconf-archive/ax_boost_chrono.html
   3 # ===========================================================================
   4 #
   5 # SYNOPSIS
   6 #
   7 #   AX_BOOST_CHRONO
   8 #
   9 # DESCRIPTION
  10 #
  11 #   Test for System library from the Boost C++ libraries. The macro requires
  12 #   a preceding call to AX_BOOST_BASE. Further documentation is available at
  13 #   <http://randspringer.de/boost/index.html>.
  14 #
  15 #   This macro calls:
  16 #
  17 #     AC_SUBST(BOOST_CHRONO_LIB)
  18 #
  19 #   And sets:
  20 #
  21 #     HAVE_BOOST_CHRONO
  22 #
  23 # LICENSE
  24 #
  25 #   Copyright (c) 2012 Xiyue Deng <manphiz@gmail.com>
  26 #
  27 #   Copying and distribution of this file, with or without modification, are
  28 #   permitted in any medium without royalty provided the copyright notice
  29 #   and this notice are preserved. This file is offered as-is, without any
  30 #   warranty.
  31
  32 #serial 1
  33
  34 AC_DEFUN([AX_BOOST_CHRONO],
  35 [
  36         AC_ARG_WITH([boost-chrono],
  37         AS_HELP_STRING([--with-boost-chrono@<:@=special-lib@:>@],
  38                    [use the Chrono library from boost - it is possible to specify a certain library for the linker
  39                         e.g. --with-boost-chrono=boost_chrono-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_chrono_lib=""
  46         else
  47                     want_boost="yes"
  48                 ax_boost_user_chrono_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         AC_REQUIRE([AC_CANONICAL_BUILD])
  57                 CPPFLAGS_SAVED="$CPPFLAGS"
  58                 CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
  59                 export CPPFLAGS
  60
  61                 LDFLAGS_SAVED="$LDFLAGS"
  62                 LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
  63                 export LDFLAGS
  64
  65         AC_CACHE_CHECK(whether the Boost::Chrono library is available,
  66                                            ax_cv_boost_chrono,
  67         [AC_LANG_PUSH([C++])
  68                          CXXFLAGS_SAVE=$CXXFLAGS
  69
  70                          AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/chrono.hpp>]],
  71                                    [[boost::chrono::system_clock::time_point time;]])],
  72                    ax_cv_boost_chrono=yes, ax_cv_boost_chrono=no)
  73                          CXXFLAGS=$CXXFLAGS_SAVE
  74              AC_LANG_POP([C++])
  75                 ])
  76                 if test "x$ax_cv_boost_chrono" = "xyes"; then
  77                         AC_SUBST(BOOST_CPPFLAGS)
  78
  79                         AC_DEFINE(HAVE_BOOST_CHRONO,,[define if the Boost::Chrono library is available])
  80             BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`
  81
  82                         LDFLAGS_SAVE=$LDFLAGS
  83             if test "x$ax_boost_user_chrono_lib" = "x"; then
  84                 for libextension in `ls $BOOSTLIBDIR/libboost_chrono*.so* $BOOSTLIBDIR/libboost_chrono*.dylib* $BOOSTLIBDIR/libboost_chrono*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^lib\(boost_chrono.*\)\.so.*$;\1;' -e 's;^lib\(boost_chrono.*\)\.dylib.*$;\1;' -e 's;^lib\(boost_chrono.*\)\.a.*$;\1;'` ; do
  85                      ax_lib=${libextension}
  86                                     AC_CHECK_LIB($ax_lib, exit,
  87                                  [BOOST_CHRONO_LIB="-l$ax_lib"; AC_SUBST(BOOST_CHRONO_LIB) link_chrono="yes"; break],
  88                                  [link_chrono="no"])
  89                                 done
  90                 if test "x$link_chrono" != "xyes"; then
  91                 for libextension in `ls $BOOSTLIBDIR/boost_chrono*.dll* $BOOSTLIBDIR/boost_chrono*.a* 2>/dev/null | sed 's,.*/,,' | sed -e 's;^\(boost_chrono.*\)\.dll.*$;\1;' -e 's;^\(boost_chrono.*\)\.a.*$;\1;'` ; do
  92                      ax_lib=${libextension}
  93                                     AC_CHECK_LIB($ax_lib, exit,
  94                                  [BOOST_CHRONO_LIB="-l$ax_lib"; AC_SUBST(BOOST_CHRONO_LIB) link_chrono="yes"; break],
  95                                  [link_chrono="no"])
  96                                 done
  97                 fi
  98
  99             else
 100                for ax_lib in $ax_boost_user_chrono_lib boost_chrono-$ax_boost_user_chrono_lib; do
 101                                       AC_CHECK_LIB($ax_lib, exit,
 102                                    [BOOST_CHRONO_LIB="-l$ax_lib"; AC_SUBST(BOOST_CHRONO_LIB) link_chrono="yes"; break],
 103                                    [link_chrono="no"])
 104                   done
 105
 106             fi
 107             if test "x$ax_lib" = "x"; then
 108                 AC_MSG_ERROR(Could not find a version of the library!)
 109             fi
 110                         if test "x$link_chrono" = "xno"; then
 111                                 AC_MSG_ERROR(Could not link against $ax_lib !)
 112                         fi
 113                 fi
 114
 115                 CPPFLAGS="$CPPFLAGS_SAVED"
 116         LDFLAGS="$LDFLAGS_SAVED"
 117         fi
 118 ])