Dogcows Code - chaz/openbox/blob - m4/x11.m4

   1 # X11_DEVEL()
   2 #
   3 # Check for the presence of the X Window System headers and libraries.
   4 # Sets the CXXFLAGS and LIBS variables as appropriate.
   5 AC_DEFUN([X11_DEVEL],
   6 [
   7   AC_PATH_X
   8   AC_PATH_XTRA
   9   test "$no_x" = "yes" && \
  10     AC_MSG_ERROR([The X Window System could not be found.])
  11
  12   CXXFLAGS="$CXXFLAGS $X_CFLAGS"
  13   LIBS="$LIBS $X_PRE_LIBS $X_LIBS $X_EXTRA_LIBS"
  14
  15   # Check for required functions in -lX11
  16   AC_CHECK_LIB(
  17     [X11], [XOpenDisplay],
  18     ,
  19     AC_MSG_ERROR([Could not find XOpenDisplay in -lX11.])
  20   )
  21 ])
  22
  23
  24 AC_DEFUN([XFT_ERROR],
  25 [
  26   if test "$XFT_MIN"; then
  27     AC_MSG_ERROR([$PACKAGE requires the Xft font library >= $XFT_MIN.
  28                   See http://www.fontconfig.org/
  29 ])
  30   else
  31     AC_MSG_ERROR([$PACKAGE requires the Xft font library.
  32                   See http://www.fontconfig.org/
  33 ])
  34   fi
  35 ])
  36
  37 # XFT_DEVEL([required-version])
  38 #
  39 # Check for the XFT development package.
  40 # You can use the optional argument to check for a library of at least the
  41 # given version.
  42 # It provides the $(PYTHON_CFLAGS) $(PYTHON_LIBS) output variables.
  43 AC_DEFUN([XFT_DEVEL],
  44 [
  45   AC_REQUIRE([X11_DEVEL])
  46
  47   if test "$1"; then
  48     XFT_MIN=$1
  49     XFT_MIN_MAJOR=${XFT_MIN%.*.*}
  50     XFT_MIN_MINOR=${XFT_MIN%.*}
  51     XFT_MIN_MINOR=${XFT_MIN_MINOR#*.}
  52     XFT_MIN_REVISION=${XFT_MIN#*.*.}
  53   else
  54     XFT_MIN=""
  55   fi
  56
  57   if test -z "$XFT_MIN"; then
  58     AC_MSG_CHECKING([for Xft])
  59     if ! pkg-config xft; then
  60       AC_MSG_RESULT([no])
  61       XFT_ERROR
  62     fi
  63   else
  64     AC_MSG_CHECKING([for Xft version >= $XFT_MIN])
  65     if ! pkg-config --atleast-version $XFT_MIN xft; then
  66       AC_MSG_RESULT([no])
  67       XFT_ERROR
  68     fi
  69   fi
  70   AC_MSG_RESULT([yes])
  71
  72
  73   # Store these
  74   OLDLIBS=$LIBS
  75   OLDCXXFLAGS=$CXXFLAGS
  76
  77   XFT_CFLAGS="`pkg-config --cflags xft`"
  78   XFT_LIBS="`pkg-config --libs xft`"
  79
  80   # Set these for checking with the tests below. They'll be restored after
  81   LIBS="$LIBS $XFT_LIBS"
  82   CXXFLAGS="$XFT_CFLAGS $CXXFLAGS"
  83
  84   AC_CHECK_LIB([Xft], [XftFontOpenName],
  85     if test "$XFT_MIN"; then
  86       AC_MSG_CHECKING([for X11/Xft/Xft.h for Xft >= $XFT_MIN])
  87       AC_TRY_COMPILE(
  88       [
  89         #include <X11/Xlib.h>
  90         #include <X11/Xft/Xft.h>
  91       ],
  92       [
  93         #if !defined(XFT_MAJOR)
  94         # error Xft.h is too old
  95         #endif
  96         #if XFT_MAJOR < $XFT_MIN_MAJOR
  97         # error Xft.h is too old
  98         #endif
  99         #if XFT_MAJOR == $XFT_MIN_MAJOR
 100         # if XFT_MINOR < $XFT_MIN_MINOR
 101         #  error Xft.h is too old
 102         # endif
 103         #endif
 104         #if XFT_MAJOR == $XFT_MIN_MAJOR
 105         # if XFT_MAJOR == $XFT_MIN_MINOR
 106         #  if XFT_REVISION < $XFT_MIN_REVISION
 107         #   error Xft.h is too old
 108         #  endif
 109         # endif
 110         #endif
 111
 112         int i = XFT_MAJOR;
 113         XftFont foo;
 114       ],
 115       [
 116         AC_MSG_RESULT([yes])
 117       ],
 118       [
 119         AC_MSG_RESULT([no])
 120         XFT_ERROR
 121       ])
 122     else
 123       AC_MSG_CHECKING([for X11/Xft/Xft.h])
 124       AC_TRY_COMPILE(
 125       [
 126         #include <X11/Xlib.h>
 127         #include <X11/Xft/Xft.h>
 128       ],
 129       [
 130         int i = XFT_MAJOR; /* make sure were using Xft 2, not 1 */
 131         XftFont foo;
 132       ],
 133       [
 134         AC_MSG_RESULT([yes])
 135       ],
 136       [
 137         AC_MSG_RESULT([no])
 138         XFT_ERROR
 139       ])
 140     fi
 141
 142     AC_MSG_CHECKING([if we can compile with Xft])
 143     AC_TRY_LINK(
 144     [
 145       #include <X11/Xlib.h>
 146       #include <X11/Xft/Xft.h>
 147     ],
 148     [
 149       int i = XFT_MAJOR;
 150       XftFont foo
 151     ],
 152     [
 153       AC_MSG_RESULT([yes])
 154     ],
 155     [
 156       AC_MSG_RESULT([no])
 157       AC_MSG_ERROR([Unable to compile with the Xft font library.
 158 ])
 159     ])
 160   )
 161
 162 # Restore the old values. Use XFT_CFLAGS and XFT_LIBS in the Makefile.am's
 163   LIBS=$OLDLIBS
 164   CXXFLAGS=$OLDCXXFLAGS
 165
 166   AC_SUBST([XFT_CFLAGS])
 167   AC_SUBST([XFT_LIBS])
 168 ])