macros/gnome-libgtop-check.m4

   1 dnl
   2 dnl GNOME_LIBGTOP_TYPES
   3 dnl
   4 dnl some typechecks for libgtop.
   5 dnl
   6
   7 AC_DEFUN([GNOME_LIBGTOP_TYPES],
   8 [
   9         AC_CHECK_TYPE(u_int64_t, unsigned long long int)
  10         AC_CHECK_TYPE(int64_t, signed long long int)
  11         AC_CHECK_TYPE(u_int8_t, unsigned char)
  12         AC_CHECK_TYPE(int8_t, signed char)
  13 ])
  14
  15 dnl
  16 dnl GNOME_LIBGTOP_HOOK (minversion, script-if-libgtop-enabled, failflag)
  17 dnl
  18 dnl if failflag is "fail" then GNOME_LIBGTOP_HOOK will abort if LibGTop
  19 dnl is not found.
  20 dnl
  21
  22 AC_DEFUN([GNOME_LIBGTOP_HOOK],
  23 [
  24         AC_REQUIRE([GNOME_LIBGTOP_TYPES])
  25
  26         AC_SUBST(LIBGTOP_LIBDIR)
  27         AC_SUBST(LIBGTOP_INCLUDEDIR)
  28         AC_SUBST(LIBGTOP_EXTRA_LIBS)
  29         AC_SUBST(LIBGTOP_LIBS)
  30         AC_SUBST(LIBGTOP_INCS)
  31         AC_SUBST(LIBGTOP_NAMES_LIBS)
  32         AC_SUBST(LIBGTOP_NAMES_INCS)
  33         AC_SUBST(LIBGTOP_MAJOR_VERSION)
  34         AC_SUBST(LIBGTOP_MINOR_VERSION)
  35         AC_SUBST(LIBGTOP_MICRO_VERSION)
  36         AC_SUBST(LIBGTOP_VERSION)
  37         AC_SUBST(LIBGTOP_VERSION_CODE)
  38         AC_SUBST(LIBGTOP_SERVER_VERSION)
  39         AC_SUBST(LIBGTOP_INTERFACE_AGE)
  40         AC_SUBST(LIBGTOP_BINARY_AGE)
  41         AC_SUBST(LIBGTOP_BINDIR)
  42         AC_SUBST(LIBGTOP_SERVER)
  43
  44         dnl Get the cflags and libraries from the libgtop-config script
  45         dnl
  46         AC_ARG_WITH(libgtop,
  47         [  --with-libgtop=PFX      Prefix where LIBGTOP is installed (optional)],
  48         libgtop_config_prefix="$withval", libgtop_config_prefix="")
  49         AC_ARG_WITH(libgtop-exec,
  50         [  --with-libgtop-exec=PFX Exec prefix where LIBGTOP is installed (optional)],
  51         libgtop_config_exec_prefix="$withval", libgtop_config_exec_prefix="")
  52
  53         if test x$libgtop_config_exec_prefix != x ; then
  54           libgtop_config_args="$libgtop_config_args --exec-prefix=$libgtop_config_exec_prefix"
  55           if test x${LIBGTOP_CONFIG+set} != xset ; then
  56             LIBGTOP_CONFIG=$libgtop_config_exec_prefix/bin/libgtop-config
  57           fi
  58         fi
  59         if test x$libgtop_config_prefix != x ; then
  60           libgtop_config_args="$libgtop_config_args --prefix=$libgtop_config_prefix"
  61           if test x${LIBGTOP_CONFIG+set} != xset ; then
  62             LIBGTOP_CONFIG=$libgtop_config_prefix/bin/libgtop-config
  63           fi
  64         fi
  65
  66         AC_PATH_PROG(LIBGTOP_CONFIG, libgtop-config, no)
  67         dnl IMPORTANT NOTICE:
  68         dnl   If you increase this number here, this means that *ALL*
  69         dnl   modules will require the new version, even if they explicitly
  70         dnl   give a lower number in their `configure.in' !!!
  71         real_min_libgtop_version=1.0.0
  72         min_libgtop_version=ifelse([$1], ,$real_min_libgtop_version,$1)
  73         dnl I know, the following code looks really ugly, but if you want
  74         dnl to make changes, please test it with a brain-dead /bin/sh and
  75         dnl with a brain-dead /bin/test (not all shells/tests support the
  76         dnl `<' operator to compare strings, that's why I convert everything
  77         dnl into numbers and test them).
  78         min_libgtop_major=`echo $min_libgtop_version | \
  79           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
  80         min_libgtop_minor=`echo $min_libgtop_version | \
  81           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
  82         min_libgtop_micro=`echo $min_libgtop_version | \
  83           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
  84         test x$min_libgtop_micro = x && min_libgtop_micro=0
  85         real_min_libgtop_major=`echo $real_min_libgtop_version | \
  86           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
  87         real_min_libgtop_minor=`echo $real_min_libgtop_version | \
  88           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
  89         real_min_libgtop_micro=`echo $real_min_libgtop_version | \
  90           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
  91         test x$real_min_libgtop_micro = x && real_min_libgtop_micro=0
  92         dnl You cannot require a version less then $real_min_libgtop_version,
  93         dnl so you don't need to update each `configure.in' when it's increased.
  94         if test $real_min_libgtop_major -gt $min_libgtop_major ; then
  95           min_libgtop_major=$real_min_libgtop_major
  96           min_libgtop_minor=$real_min_libgtop_minor
  97           min_libgtop_micro=$real_min_libgtop_micro
  98         elif test $real_min_libgtop_major = $min_libgtop_major ; then
  99           if test $real_min_libgtop_minor -gt $min_libgtop_minor ; then
 100             min_libgtop_minor=$real_min_libgtop_minor
 101             min_libgtop_micro=$real_min_libgtop_micro
 102           elif test $real_min_libgtop_minor = $min_libgtop_minor ; then
 103             if test $real_min_libgtop_micro -gt $min_libgtop_micro ; then
 104               min_libgtop_micro=$real_min_libgtop_micro
 105             fi
 106           fi
 107         fi
 108         min_libgtop_version="$min_libgtop_major.$min_libgtop_minor.$min_libgtop_micro"
 109         AC_MSG_CHECKING(for libgtop - version >= $min_libgtop_version)
 110         no_libgtop=""
 111         if test "$LIBGTOP_CONFIG" = "no" ; then
 112           no_libgtop=yes
 113         else
 114           configfile=`$LIBGTOP_CONFIG --config`
 115           libgtop_major_version=`$LIBGTOP_CONFIG --version | \
 116             sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
 117           libgtop_minor_version=`$LIBGTOP_CONFIG --version | \
 118             sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
 119           libgtop_micro_version=`$LIBGTOP_CONFIG --version | \
 120             sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
 121           if test $libgtop_major_version != $min_libgtop_major ; then
 122             no_libgtop=mismatch
 123           else
 124             test $libgtop_minor_version -lt $min_libgtop_minor && no_libgtop=yes
 125             if test $libgtop_minor_version = $min_libgtop_minor ; then
 126               test $libgtop_micro_version -lt $min_libgtop_micro && no_libgtop=yes
 127             fi
 128           fi
 129           . $configfile
 130         fi
 131         if test x$no_libgtop = x ; then
 132           AC_DEFINE(HAVE_LIBGTOP)
 133           AC_DEFINE_UNQUOTED(LIBGTOP_VERSION, "$LIBGTOP_VERSION")
 134           AC_DEFINE_UNQUOTED(LIBGTOP_VERSION_CODE, $LIBGTOP_VERSION_CODE)
 135           AC_DEFINE_UNQUOTED(LIBGTOP_MAJOR_VERSION, $LIBGTOP_MAJOR_VERSION)
 136           AC_DEFINE_UNQUOTED(LIBGTOP_MINOR_VERSION, $LIBGTOP_MINOR_VERSION)
 137           AC_DEFINE_UNQUOTED(LIBGTOP_MICRO_VERSION, $LIBGTOP_MICRO_VERSION)
 138           AC_DEFINE_UNQUOTED(LIBGTOP_SERVER_VERSION, $LIBGTOP_SERVER_VERSION)
 139           AC_MSG_RESULT(yes)
 140           dnl Note that an empty true branch is not valid sh syntax.
 141           ifelse([$2], [], :, [$2])
 142         else
 143           AC_MSG_RESULT(no)
 144           if test "$no_libgtop"x = mismatchx; then
 145             AC_MSG_ERROR(LibGTop major version mismatch $libgtop_major_version != $min_libgtop_major)
 146           fi
 147           if test "x$3" = "xfail"; then
 148             AC_MSG_ERROR(LibGTop >= $min_libgtop_version not found)
 149           else
 150             AC_MSG_WARN(LibGTop >= $min_libgtop_version not found)
 151           fi
 152         fi
 153
 154         AM_CONDITIONAL(HAVE_LIBGTOP, test x$no_libgtop != xyes)
 155 ])
 156
 157 AC_DEFUN([GNOME_INIT_LIBGTOP],[
 158         GNOME_LIBGTOP_HOOK($1,[ifelse([$3], [], :, [$3])],$2)
 159 ])
 160
 161 dnl
 162 dnl GNOME_LIBGTOP_DOCU
 163 dnl
 164 dnl checks whether the documentation of LibGTop is installed
 165 dnl
 166
 167 AC_DEFUN([GNOME_LIBGTOP_DOCU],
 168 [
 169         AC_REQUIRE([GNOME_LIBGTOP_HOOK])
 170
 171         helpdir="$LIBGTOP_DATADIR/gnome/help/libgtop"
 172
 173         AC_MSG_CHECKING(whether you have the LibGTop Documentation)
 174
 175         if test -f "$helpdir/C/topic.dat" ; then
 176           have_libgtop_docu=yes
 177           AC_DEFINE(HAVE_LIBGTOP_DOCU)
 178         else
 179           have_libgtop_docu=no
 180         fi
 181
 182         AC_MSG_RESULT($have_libgtop_docu)
 183
 184         AM_CONDITIONAL(HAVE_LIBGTOP_DOCU, test x$have_libgtop_docu = xyes)
 185 ])
 186