+
+dnl Check for Xft >= 2
+XFT_MIN_MAJOR=2
+XFT_MIN_MINOR=0
+XFT_MIN_REVISION=0
+XFT_MIN=$XFT_MIN_MAJOR.$XFT_MIN_MINOR.$XFT_MIN_REVISION
+AC_MSG_CHECKING([for Xft version >= $XFT_MIN])
+if ! pkg-config --atleast-version $XFT_MIN xft; then
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([Openbox requires the Xft version >= $XFT_MIN font library.
+See http://www.fontconfig.org/
+])
+fi
+
+AC_MSG_RESULT([yes])
+
+dnl Store these
+OLDLIBS=$LIBS
+OLDCPPFLAGS=$CPPFLAGS
+
+XFT_CFLAGS="`pkg-config --cflags xft`"
+XFT_LIBS="`pkg-config --libs xft`"
+
+dnl Set these for checking with the tests below. They'll be restored after
+LIBS="$LIBS $XFT_LIBS"
+CPPFLAGS="$XFT_CFLAGS $CPPFLAGS"
+
+AC_CHECK_LIB([Xft], [XftFontOpenName],
+ AC_MSG_CHECKING([for X11/Xft/Xft.h for Xft >= $XFT_MIN])
+ AC_TRY_COMPILE(
+ [
+ #include <X11/Xlib.h>
+ #include <X11/Xft/Xft.h>
+ ],
+ [
+ #if !defined(XFT_MAJOR)
+ # error Xft.h is too old
+ #endif
+ #if XFT_MAJOR < $XFT_MIN_MAJOR
+ # error Xft.h is too old
+ #endif
+ #if XFT_MAJOR == $XFT_MIN_MAJOR
+ # if XFT_MINOR < $XFT_MIN_MINOR
+ # error Xft.h is too old
+ # endif
+ #endif
+ #if XFT_MAJOR == $XFT_MIN_MAJOR
+ # if XFT_MAJOR == $XFT_MIN_MINOR
+ # if XFT_REVISION < $XFT_MIN_REVISION
+ # error Xft.h is too old
+ # endif
+ # endif
+ #endif
+
+ int i = XFT_MAJOR;
+ XftFont foo;
+ ],
+ [
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([Openbox requires the Xft version >= $XFT_MIN font library.
+See http://www.fontconfig.org/
+])
+ ]
+ )
+
+ AC_MSG_CHECKING([if we can compile with Xft])
+ AC_TRY_LINK(
+ [
+ #include <X11/Xlib.h>
+ #include <X11/Xft/Xft.h>
+ ],
+ [
+ int i = XFT_MAJOR;
+ XftFont foo
+ ],
+ [
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([Unable to compile with the Xft library.
+])
+ ]
+ )
+)
+dnl Restore the old values. Use XFT_CFLAGS and XFT_LIBS in the Makefile.am's
+LIBS=$OLDLIBS
+CPPFLAGS=$OLDCPPFLAGS
+
+AC_SUBST([XFT_CFLAGS])
+AC_SUBST([XFT_LIBS])
+