--- /dev/null
+# X11_DEVEL()
+#
+# Check for the presence of the X Window System headers and libraries.
+# Sets the CXXFLAGS and LIBS variables as appropriate.
+AC_DEFUN([X11_DEVEL],
+[
+ AC_PATH_X
+ AC_PATH_XTRA
+ test "$no_x" = "yes" && \
+ AC_MSG_ERROR([The X Window System could not be found.])
+
+ CXXFLAGS="$CXXFLAGS $X_CFLAGS"
+ LIBS="$LIBS $X_PRE_LIBS $X_LIBS $X_EXTRA_LIBS"
+
+ # Check for required functions in -lX11
+ AC_CHECK_LIB(
+ [X11], [XOpenDisplay],
+ ,
+ AC_MSG_ERROR([Could not find XOpenDisplay in -lX11.])
+ )
+])
+
+
+AC_DEFUN([XFT_ERROR],
+[
+ if test "$XFT_MIN"; then
+ AC_MSG_ERROR([$PACKAGE requires the Xft font library >= $XFT_MIN.
+ See http://www.fontconfig.org/
+])
+ else
+ AC_MSG_ERROR([$PACKAGE requires the Xft font library.
+ See http://www.fontconfig.org/
+])
+ fi
+])
+
+# XFT_DEVEL([required-version])
+#
+# Check for the XFT development package.
+# You can use the optional argument to check for a library of at least the
+# given version.
+# It provides the $(PYTHON_CFLAGS) $(PYTHON_LIBS) output variables.
+AC_DEFUN([XFT_DEVEL],
+[
+ AC_REQUIRE([X11_DEVEL])
+
+ if test "$1"; then
+ XFT_MIN=$1
+ XFT_MIN_MAJOR=${XFT_MIN%.*.*}
+ XFT_MIN_MINOR=${XFT_MIN%.*}
+ XFT_MIN_MINOR=${XFT_MIN_MINOR#*.}
+ XFT_MIN_REVISION=${XFT_MIN#*.*.}
+ else
+ XFT_MIN=""
+ fi
+
+ if test -z "$XFT_MIN"; then
+ AC_MSG_CHECKING([for Xft])
+ if ! pkg-config xft; then
+ AC_MSG_RESULT([no])
+ XFT_ERROR
+ fi
+ else
+ AC_MSG_CHECKING([for Xft version >= $XFT_MIN])
+ if ! pkg-config --atleast-version $XFT_MIN xft; then
+ AC_MSG_RESULT([no])
+ XFT_ERROR
+ fi
+ fi
+ AC_MSG_RESULT([yes])
+
+
+ # Store these
+ OLDLIBS=$LIBS
+ OLDCXXFLAGS=$CXXFLAGS
+
+ XFT_CFLAGS="`pkg-config --cflags xft`"
+ XFT_LIBS="`pkg-config --libs xft`"
+
+ # Set these for checking with the tests below. They'll be restored after
+ LIBS="$LIBS $XFT_LIBS"
+ CXXFLAGS="$XFT_CFLAGS $CXXFLAGS"
+
+ AC_CHECK_LIB([Xft], [XftFontOpenName],
+ if test "$XFT_MIN"; then
+ 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 < $XFT_MIN_REVISION
+ # error Xft.h is too old
+ # endif
+ # endif
+ #endif
+
+ int i = XFT_MAJOR;
+ XftFont foo;
+ ],
+ [
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ XFT_ERROR
+ ])
+ else
+ AC_MSG_CHECKING([for X11/Xft/Xft.h])
+ AC_TRY_COMPILE(
+ [
+ #include <X11/Xlib.h>
+ #include <X11/Xft/Xft.h>
+ ],
+ [
+ int i = XFT_MAJOR; /* make sure were using Xft 2, not 1 */
+ XftFont foo;
+ ],
+ [
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ XFT_ERROR
+ ])
+ fi
+
+ AC_MSG_CHECKING([if we can compile with Xft])
+ AC_TRY_LINK(
+ [
+ #include <X11/Xlib.h>
+ #include <X11/Xft/Xft.h>
+ ],
+ [
+ int i = XFT_MAJOR;
+ XftFont foo
+ ],
+ [
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([Unable to compile with the Xft font library.
+])
+ ])
+ )
+
+# Restore the old values. Use XFT_CFLAGS and XFT_LIBS in the Makefile.am's
+ LIBS=$OLDLIBS
+ CXXFLAGS=$OLDCXXFLAGS
+
+ AC_SUBST([XFT_CFLAGS])
+ AC_SUBST([XFT_LIBS])
+])