Fix compton-tde FTBFS on older systems

CMakeLists.txt

@@ -3,6 +3,9 @@
 #  (C) 2010-2012 Serghei Amelian
 #  serghei (DOT) amelian (AT) gmail.com
 #
+#  (C) 2014 Timothy Pearson
+#  kb9vqf (AT) pearsoncomputing (DOT) net
+#
 #  Improvements and feedback are welcome
 #
 #################################################
@@ -70,6 +73,7 @@ option( WITH_XRANDR "Enable xrandr support" ${WITH_ALL_OPTIONS} )
 option( WITH_XRENDER "Enable xrender support" ${WITH_ALL_OPTIONS} )
 option( WITH_XDAMAGE "Enable xdamage support" ${WITH_ALL_OPTIONS} )
 option( WITH_XEXT "Enable xext support" ${WITH_ALL_OPTIONS} )
+option( WITH_LIBCONFIG "Enable libconfig support" ${WITH_ALL_OPTIONS} )
 option( WITH_XTEST "Enable xtest support" ${WITH_ALL_OPTIONS} )
 option( WITH_OPENGL "Enable openGL support" ${WITH_ALL_OPTIONS} )
 option( WITH_XSCREENSAVER "Enable xscreensaver support" ${WITH_ALL_OPTIONS} )

ConfigureChecks.cmake

@@ -3,6 +3,9 @@
 #  (C) 2010-2012 Serghei Amelian
 #  serghei (DOT) amelian (AT) gmail.com
 #
+#  (C) 2014 Timothy Pearson
+#  kb9vqf (AT) pearsoncomputing (DOT) net
+#
 #  Improvements and feedback are welcome
 #
 #  This file is released under GPL >= 2
@@ -133,6 +136,20 @@ if( WITH_XEXT )
 endif( )
 
 
+# libconfig (twin/compton-tde)
+if( WITH_LIBCONFIG )
+  pkg_search_module( LIBCONFIG libconfig )
+  if( LIBCONFIG_FOUND )
+    set( HAVE_LIBCONFIG 1 )
+    if( LIBCONFIG_VERSION VERSION_LESS 1.5.0 )
+      set( HAVE_LIBCONFIG_OLD_API 1 )
+    endif( )
+  else( LIBCONFIG_FOUND )
+    tde_message_fatal( "libconfig is requested, but was not found on your system" )
+  endif( )
+endif( )
+
+
 # xtest (kxkb)
 if( WITH_XTEST )
   pkg_search_module( XTEST xtst )
@@ -322,4 +339,4 @@ if( WITH_ELFICON )
       message(FATAL_ERROR "\nelficon support was requested, but the libr version on your system may not be compatible with TDE" )
   endif( NOT "${LIBR_VERSION}" STREQUAL "0.6.0" )
   set( HAVE_ELFICON 1 )
-endif( )
+endif( )

config.h.cmake

@@ -36,6 +36,10 @@
 // libr
 #cmakedefine HAVE_ELFICON 1
 
+// libconfig
+#cmakedefine HAVE_LIBCONFIG 1
+#cmakedefine HAVE_LIBCONFIG_OLD_API 1
+
 // tdm, tdeioslave
 #cmakedefine HAVE_TERMIOS_H 1
 
@@ -203,4 +207,4 @@
 #cmakedefine KICKOFF_DIST_CONFIG_SHORTCUT2 "@KICKOFF_DIST_CONFIG_SHORTCUT2@"
 
 // TDE compositor binary name
-#define TDE_COMPOSITOR_BINARY "compton-tde"
+#define TDE_COMPOSITOR_BINARY "compton-tde"

twin/compton-tde/CMakeLists.txt

@@ -13,7 +13,7 @@
 if( NOT WITH_XRENDER )
   tde_message_fatal( "xrender support is needed to build compton-tde.\n Pass -DWITH_XRENDER=ON to cmake arguments." )
 elseif( NOT WITH_XRANDR )
-  tde_message_fatal( "xrandr support is needed to build compton-tde.\n Pass -DWITH_XFIXES=ON to cmake arguments." )
+  tde_message_fatal( "xrandr support is needed to build compton-tde.\n Pass -DWITH_XRANDR=ON to cmake arguments." )
 elseif( NOT WITH_XFIXES )
   tde_message_fatal( "xfixes support is needed to build compton-tde.\n Pass -DWITH_XFIXES=ON to cmake arguments." )
 elseif( NOT WITH_XDAMAGE )
@@ -21,11 +21,14 @@ elseif( NOT WITH_XDAMAGE )
 elseif( NOT WITH_XEXT )
   tde_message_fatal( "xext support is needed to build compton-tde.\n Pass -DWITH_XEXT=ON to cmake arguments." )
 elseif( NOT WITH_XINERAMA )
-  tde_message_fatal( "xinerama support is needed to build compton-tde.\n Pass -DWITH_XEXT=ON to cmake arguments." )
+  tde_message_fatal( "xinerama support is needed to build compton-tde.\n Pass -DWITH_XINERAMA=ON to cmake arguments." )
+elseif( NOT WITH_LIBCONFIG )
+  tde_message_fatal( "libconfig support is needed to build compton-tde.\n Pass -DWITH_LIBCONFIG=ON to cmake arguments." )
 endif( )
 
 
 include_directories(
+  ${CMAKE_BINARY_DIR}
   ${TDE_INCLUDE_DIR}
   ${TQT_INCLUDE_DIRS}
 )
@@ -68,6 +71,6 @@ endif ()
 
 tde_add_executable( compton-tde
   SOURCES c2.c compton.c opengl.c
-  LINK m GL config Xinerama ${XRENDER_LIBRARIES} ${XRANDR_LIBRARIES} ${XFIXES_LIBRARIES} ${XDAMAGE_LIBRARIES} ${XEXT_LIBRARIES} ${XCOMPOSITE_LIBRARIES}
+  LINK m GL Xinerama ${LIBCONFIG_LIBRARIES} ${XRENDER_LIBRARIES} ${XRANDR_LIBRARIES} ${XFIXES_LIBRARIES} ${XDAMAGE_LIBRARIES} ${XEXT_LIBRARIES} ${XCOMPOSITE_LIBRARIES}
   DESTINATION ${BIN_INSTALL_DIR}
 )

twin/compton-tde/common.h

@@ -12,6 +12,8 @@
 #ifndef COMPTON_COMMON_H
 #define COMPTON_COMMON_H
 
+#include "config.h"
+
 // === Options ===
 
 // Debug options, enable them using -D in CFLAGS
@@ -65,6 +67,9 @@
 // #define USE_ENV_HOME 1
 #define WRITE_PID_FILE 1
 #define _TDE_COMP_MGR_VERSION_ 3.00
+#if defined(HAVE_LIBCONFIG_OLD_API)
+#define CONFIG_LIBCONFIG_LEGACY 1
+#endif
 
 #if !defined(CONFIG_C2) && defined(DEBUG_C2)
 #error Cannot enable c2 debugging without c2 support.