boost.m4

   1 # configure for Boost libs
   2 #
   3 # ID_BOOST([components],[libs])
   4 AC_DEFUN([ID_BOOST],
   5     [
   6         AC_MSG_CHECKING([for Boost])
   7         AC_LANG_PUSH([C++])
   8         oldCPPFLAGS="$CPPFLAGS"
   9         oldLIBS="$LIBS"
  10         BOOST_REQ_VERSION=`echo "$2" | awk 'BEGIN { FS = "."; } { printf "%d", ([$]1 * 1000 + [$]2) * 100 + [$]3;}'`
  11         CPPFLAGS="$CPPFLAGS -DBOOST_REQ_VERSION=${BOOST_REQ_VERSION}"
  12
  13         AC_ARG_WITH([boost],[[  --with-boost=DIR  use Boost in prefix DIR]])
  14         if test "$with_boost" = "yes"; then
  15             BOOST_CPPFLAGS=""
  16             BOOST_LIBS=""
  17         else
  18             BOOST_CPPFLAGS="-I${with_boost}/include"
  19             BOOST_LIBS=" -L${with_boost}/lib"
  20         fi
  21         if test "${with_boost}" = "no"; then
  22             AC_MSG_RESULT([disabled])
  23         else
  24             CPPFLAGS="${CPPFLAGS} ${BOOST_CPPFLAGS}"
  25             LIBS="${LIBS} ${BOOST_LIBS}"
  26             AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
  27 #include <boost/version.hpp>
  28 ]],[[
  29 int x = BOOST_VERSION;
  30 ]])],[AC_MSG_RESULT([yes])],[AC_MSG_RESULT([no])])
  31
  32
  33             AC_MSG_CHECKING([Boost version])
  34             AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
  35 #include <boost/version.hpp>
  36 ]],[[
  37 #if BOOST_VERSION < BOOST_REQ_VERSION
  38 #error Version too old
  39 #endif
  40 ]])],[
  41             AC_MSG_RESULT([ok])
  42 ],[
  43             AC_MSG_RESULT([version too old])
  44         ])
  45         fi
  46         CPPFLAGS="$oldCPPFLAGS"
  47         LIBS="$oldLIBS"
  48         AC_LANG_POP([C++])
  49     ])
  50
  51