Compile against external libpotrace

Fixed bugs:
  - https://launchpad.net/bugs/1156664

(bzr r14480)

2 files changed, 73 insertions, 0 deletions

diff --git a/CMakeScripts/DefineDependsandFlags.cmake b/CMakeScripts/DefineDependsandFlags.cmake
index 63e4315b8..f4992de5d 100644
--- a/CMakeScripts/DefineDependsandFlags.cmake
+++ b/CMakeScripts/DefineDependsandFlags.cmake
@@ -197,6 +197,17 @@ list(APPEND INKSCAPE_INCS_SYS ${POPT_INCLUDE_DIR})
 list(APPEND INKSCAPE_LIBS ${POPT_LIBRARIES})
 add_definitions(${POPT_DEFINITIONS})
 
+find_package(Potrace)
+if(POTRACE_FOUND)
+  list(APPEND INKSCAPE_INCS_SYS ${POTRACE_INCLUDE_DIRS})
+  list(APPEND INKSCAPE_LIBS ${POTRACE_LIBRARIES})
+  set(HAVE_POTRACE ON)
+  add_definitions(-DHAVE_POTRACE)
+else(POTRACE_FOUND)
+  set(HAVE_POTRACE OFF)
+  message(STATUS "Could not locate the Potrace library headers: the Trace Bitmap and Paintbucket tools will be disabled")
+endif()
+
 if(WITH_DBUS)
 	find_package(DBus REQUIRED)
 	if(DBUS_FOUND)
diff --git a/CMakeScripts/Modules/FindPotrace.cmake b/CMakeScripts/Modules/FindPotrace.cmake
new file mode 100644
index 000000000..9ab995278
--- /dev/null
+++ b/CMakeScripts/Modules/FindPotrace.cmake
@@ -0,0 +1,62 @@
+#  POTRACE_FOUND - system has Potrace
+#  POTRACE_INCLUDE_DIRS - the Potrace include directory
+#  POTRACE_LIBRARIES - The libraries needed to use Potrace
+
+IF (POTRACE_LIBRARIES AND POTRACE_INCLUDE_DIRS)
+   # in cache already
+   SET(POTRACE_FOUND TRUE)
+ELSE (POTRACE_LIBRARIES AND POTRACE_INCLUDE_DIRS)
+   FIND_PATH (POTRACE_INCLUDE_DIR
+      NAMES
+         potracelib.h
+      PATHS
+         /usr/include
+         /usr/local/include
+	 $ENV{DEVLIBS_PATH}/include
+      PATH_SUFFIXES
+         potrace
+   )
+
+   FIND_LIBRARY (POTRACE_LIBRARY
+      NAMES
+        potrace
+        libpotrace
+      PATHS
+         /usr/lib
+         /usr/local/lib
+         $ENV{DEVLIBS_PATH}/lib
+   )
+
+   if (POTRACE_LIBRARY)
+      set (POTRACE_FOUND TRUE)
+   endif (POTRACE_LIBRARY)
+
+   set (POTRACE_INCLUDE_DIRS
+      ${POTRACE_INCLUDE_DIR}
+   )
+
+   if (POTRACE_FOUND)
+      set(POTRACE_LIBRARIES
+        ${POTRACE_LIBRARIES}
+        ${POTRACE_LIBRARY}
+      )
+   endif (POTRACE_FOUND)
+
+   if (POTRACE_INCLUDE_DIRS AND POTRACE_LIBRARIES)
+      set(POTRACE_FOUND TRUE)
+   endif (POTRACE_INCLUDE_DIRS AND POTRACE_LIBRARIES)
+
+   if (POTRACE_FOUND)
+      if (NOT Potrace_FIND_QUIETLY)
+         message(STATUS "Found Potrace: ${POTRACE_LIBRARIES}")
+      endif (NOT Potrace_FIND_QUIETLY)
+   else (POTRACE_FOUND)
+      if (Potrace_FIND_REQUIRED)
+	      message(FATAL_ERROR "Could not find potrace")
+      endif (Potrace_FIND_REQUIRED)
+   endif (POTRACE_FOUND)
+
+   # show the POTRACE_INCLUDE_DIRS and POTRACE_LIBRARIES variables only in the advanced view
+   MARK_AS_ADVANCED(POTRACE_INCLUDE_DIRS POTRACE_LIBRARIES)
+
+endif (POTRACE_LIBRARIES AND POTRACE_INCLUDE_DIRS)