Start moving dependencies handling in YarpFindDependencies.cmake

svn path=/trunk/yarp2/; revision=9327

CMakeLists.txt

@@ -33,6 +33,10 @@ include(YarpVersion)
 # See conf/YarpSystemCheck.cmake.
 include(YarpSystemCheck)
 
+# Check YARP dependencies.
+# See conf/YarpFindDependencies.cmake.
+include(YarpFindDependencies)
+
 # Turn on testing.
 enable_testing()
 

conf/YarpFindDependencies.cmake

@@ -0,0 +1,63 @@
+# Copyright (C) 2009  RobotCub Consortium
+# Copyright (C) 2012  iCub Facility, Istituto Italiano di Tecnologia
+# Authors: Lorenzo Natale, Daniele E. Domenichelli <[email protected]>
+# CopyPolicy: Released under the terms of the LGPLv2.1 or later, see LGPL.TXT
+
+
+macro(checkandset_dependency package)
+
+    if (${package}_FOUND)
+        set(YARP_HAS_${package} TRUE CACHE BOOL "Package ${package} found" FORCE)
+        set(YARP_USE_${package} TRUE CACHE BOOL "Use package ${package}")
+        message(STATUS "found ${package}")
+    else (${package}_FOUND)
+        set(YARP_HAS_${package} FALSE CACHE BOOL "" FORCE)
+        set(YARP_USE_${package} FALSE CACHE BOOL "Use package ${package}")
+    endif (${package}_FOUND)
+
+    mark_as_advanced(YARP_HAS_${package} YARP_USE_${package})
+
+    if (NOT ${package}_FOUND AND YARP_USE_${package})
+        message("Warning: you requested to use the package ${package}, but it is unavailable (or was not found). This might lead to compile errors, we recommend you turn off the YARP_USE_${package} flag.")
+    endif (NOT ${package}_FOUND AND YARP_USE_${package})
+
+    #store all dependency flags for later export
+    set_property(GLOBAL APPEND PROPERTY YARP_DEPENDENCIES_FLAGS YARP_USE_${package})
+
+endmacro (checkandset_dependency)
+
+macro(checkbuildandset_dependency package)
+
+    if (${package}_FOUND)
+        set(YARP_HAS_${package} TRUE CACHE BOOL "Package ${package} found" FORCE)
+        set(YARP_USE_${package} TRUE CACHE BOOL "Use package ${package}")
+        set(YARP_USE_SYSTEM_${package} TRUE CACHE BOOL "Use system-installed ${package}, rather than a private copy")
+        message(STATUS "found ${package}")
+    else (${package}_FOUND)
+        set(YARP_HAS_${package} FALSE CACHE BOOL "" FORCE)
+        set(YARP_USE_${package} FALSE CACHE BOOL "Use package ${package}")
+        # If package was not found we force it to be built
+        set(YARP_USE_SYSTEM_${package} FALSE CACHE BOOL "Use system-installed ${package}, rather than a private copy" FORCE)
+    endif (${package}_FOUND)
+
+    mark_as_advanced(YARP_HAS_${package} YARP_USE_${package}  YARP_USE_SYSTEM_${package})
+
+    #store all dependency flags for later export
+    set_property(GLOBAL APPEND PROPERTY YARP_DEPENDENCIES_FLAGS YARP_USE_${package})
+
+endmacro (checkbuildandset_dependency)
+
+
+message(STATUS "Detecting required libraries")
+message(STATUS "CMake modules directory: ${CMAKE_MODULE_PATH}")
+
+
+if(CREATE_GUIS)
+    find_package(Gthread)
+endif(CREATE_GUIS)
+
+message(STATUS "I have found the following libraries:")
+
+if(CREATE_GUIS)
+    checkandset_dependency(Gthread)
+endif(CREATE_GUIS)

src/yarpview/CMakeLists.txt

@@ -14,7 +14,6 @@ if(CREATE_GUIS)
         include_directories(${GtkPlus_INCLUDE_DIRS})
     endif(YARP_USE_GTK2)
 
-    find_package(Gthread REQUIRED)
     include_directories(${Gthread_INCLUDE_DIRS})
     add_definitions(${GTHREAD_C_FLAGS})