Bug 1592667

2 files changed, 182 insertions, 4 deletions

diff --git a/unix/configure b/unix/configure
index 8986bb4..235af5f 100755
--- a/unix/configure
+++ b/unix/configure
@@ -9283,10 +9283,161 @@ echo "${ECHO_T}$enable_xft" >&6
         fi
 	echo "$as_me:$LINENO: result: $found_xft" >&5
 echo "${ECHO_T}$found_xft" >&6
+        if test "$found_xft" = "yes" ; then
+	    tk_oldCFlags=$CFLAGS
+	    CFLAGS="$CFLAGS $XINCLUDES $XFT_CFLAGS"
+	    tk_oldLibs=$LIBS
+	    LIBS="$tk_oldLIBS $XFT_LIBS $XLIBSW"
+	    echo "$as_me:$LINENO: checking for X11/Xft/Xft.h" >&5
+echo $ECHO_N "checking for X11/Xft/Xft.h... $ECHO_C" >&6
+if test "${ac_cv_header_X11_Xft_Xft_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <X11/Xlib.h>
+
+#include <X11/Xft/Xft.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_header_X11_Xft_Xft_h=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_header_X11_Xft_Xft_h=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_X11_Xft_Xft_h" >&5
+echo "${ECHO_T}$ac_cv_header_X11_Xft_Xft_h" >&6
+if test $ac_cv_header_X11_Xft_Xft_h = yes; then
+  :
+else
+
+                found_xft=no
+
+fi
+
+
+            CFLAGS=$tk_oldCFlags
+            LIBS=$tk_oldLibs
+        fi
+        if test "$found_xft" = "yes" ; then
+	    tk_oldCFlags=$CFLAGS
+	    CFLAGS="$CFLAGS $XINCLUDES $XFT_CFLAGS"
+	    tk_oldLibs=$LIBS
+	    LIBS="$tk_oldLIBS $XFT_LIBS $XLIBSW"
+
+echo "$as_me:$LINENO: checking for FT_New_Face in -lXft" >&5
+echo $ECHO_N "checking for FT_New_Face in -lXft... $ECHO_C" >&6
+if test "${ac_cv_lib_Xft_FT_New_Face+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lXft  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char FT_New_Face ();
+int
+main ()
+{
+FT_New_Face ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_lib_Xft_FT_New_Face=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_lib_Xft_FT_New_Face=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_lib_Xft_FT_New_Face" >&5
+echo "${ECHO_T}$ac_cv_lib_Xft_FT_New_Face" >&6
+if test $ac_cv_lib_Xft_FT_New_Face = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBXFT 1
+_ACEOF
+
+  LIBS="-lXft $LIBS"
+
+else
+
+                found_xft=no
+
+fi
+
+            CFLAGS=$tk_oldCFlags
+            LIBS=$tk_oldLibs
+        fi
         if test "$found_xft" = "no" ; then
             if test "$enable_xft" = "yes" ; then
-                { echo "$as_me:$LINENO: WARNING: Can't find xft configuration" >&5
-echo "$as_me: WARNING: Can't find xft configuration" >&2;}
+                { echo "$as_me:$LINENO: WARNING: Can't find xft configuration, or xft is unusable" >&5
+echo "$as_me: WARNING: Can't find xft configuration, or xft is unusable" >&2;}
             fi
             enable_xft=no
         fi
diff --git a/unix/configure.in b/unix/configure.in
index 3bb972d..0f4906b 100644
--- a/unix/configure.in
+++ b/unix/configure.in
@@ -3,7 +3,7 @@ dnl	This file is an input file used by the GNU "autoconf" program to
 dnl	generate the file "configure", which is run during Tk installation
 dnl	to configure the system for the local environment.
 #
-# RCS: @(#) $Id: configure.in,v 1.126 2006/11/08 15:50:14 kennykb Exp $
+# RCS: @(#) $Id: configure.in,v 1.127 2006/11/08 18:40:46 kennykb Exp $
 
 AC_INIT([tk],[8.5])
 AC_PREREQ(2.59)
@@ -432,6 +432,8 @@ if test $tk_aqua = no; then
         AC_MSG_RESULT([$enable_xft])
     else
         found_xft="yes"
+	dnl make sure package configurator (xft-config or pkg-config
+	dnl says that xft is present.
         XFT_CFLAGS=`xft-config --cflags 2>/dev/null` || found_xft="no"
         XFT_LIBS=`xft-config --libs 2>/dev/null` || found_xft="no"
         if test "$found_xft" = "no" ; then
@@ -440,9 +442,34 @@ if test $tk_aqua = no; then
             XFT_LIBS=`pkg-config --libs xft 2>/dev/null` || found_xft="no"
         fi
 	AC_MSG_RESULT([$found_xft])
+	dnl make sure that compiling against Xft header file doesn't bomb
+        if test "$found_xft" = "yes" ; then
+	    tk_oldCFlags=$CFLAGS
+	    CFLAGS="$CFLAGS $XINCLUDES $XFT_CFLAGS"
+	    tk_oldLibs=$LIBS
+	    LIBS="$tk_oldLIBS $XFT_LIBS $XLIBSW"
+	    AC_CHECK_HEADER(X11/Xft/Xft.h, [], [
+                found_xft=no
+            ],[#include <X11/Xlib.h>])
+            CFLAGS=$tk_oldCFlags
+            LIBS=$tk_oldLibs
+        fi
+	dnl make sure that linking against Xft libraries finds freetype
+        if test "$found_xft" = "yes" ; then
+	    tk_oldCFlags=$CFLAGS
+	    CFLAGS="$CFLAGS $XINCLUDES $XFT_CFLAGS"
+	    tk_oldLibs=$LIBS
+	    LIBS="$tk_oldLIBS $XFT_LIBS $XLIBSW"
+	    AC_CHECK_LIB(Xft, FT_New_Face, [], [
+                found_xft=no
+            ])
+            CFLAGS=$tk_oldCFlags
+            LIBS=$tk_oldLibs
+        fi
+	dnl print a warning if xft is unusable and was specifically requested
         if test "$found_xft" = "no" ; then
             if test "$enable_xft" = "yes" ; then
-                AC_MSG_WARN([Can't find xft configuration])
+                AC_MSG_WARN([Can't find xft configuration, or xft is unusable])
             fi
             enable_xft=no
         fi