Added CMake Find_Package script and debug suffix

* This allows easy inclusion of EntityX in CMake projects using
`Find_Package(EntityX)`.
* Also debug versions now use the `-d` suffix, no longer overwriting
release builds (e.g. `entityx-d.lib` rather than `entityx.lib`).

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 77a94a7fa4192595d0bdad7a5204d04f13b3135b..8d8601c62da0fbbbeab5333cbd731e9287a82e6d 100755 (executable)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -120,6 +120,7 @@ set(install_libs entityx)
 
 set(sources entityx/System.cc entityx/Event.cc entityx/Entity.cc entityx/help/Timer.cc entityx/help/Pool.cc)
 add_library(entityx STATIC ${sources})
+set_target_properties(entityx PROPERTIES DEBUG_POSTFIX -d)
 
 if (ENTITYX_BUILD_SHARED)
     message("-- Building shared libraries (-DENTITYX_BUILD_SHARED=0 to only build static librarires)")

diff --git a/cmake/FindEntityX.cmake b/cmake/FindEntityX.cmake
new file mode 100644 (file)
index 0000000..cf19aed
--- /dev/null
+++ b/cmake/FindEntityX.cmake
@@ -0,0 +1,28 @@
+# Look for a version of EntityX on the local machine
+#
+# By default, this will look in all common places. If EntityX is built or
+# installed in a custom location, you're able to either modify the
+# CMakeCache.txt file yourself or simply pass the path to CMake using either the
+# environment variable `ENTITYX_ROOT` or the CMake define with the same name.
+
+set(ENTITYX_PATHS      ${ENTITYX_ROOT}
+                                       $ENV{ENTITYX_ROOT}
+                                       ~/Library/Frameworks
+                                       /Library/Frameworks
+                                       /usr/local
+                                       /usr
+                                       /sw
+                                       /opt/local
+                                       /opt/csw
+                                       /opt)
+
+find_path(ENTITYX_INCLUDE_DIR entityx/entityx.h PATH_SUFFIXES include PATHS ${ENTITYX_PATHS})
+find_library(ENTITYX_LIBRARY NAMES entityx PATH_SUFFIXES lib PATHS ${ENTITYX_PATHS})
+find_library(ENTITYX_LIBRARY_DEBUG NAMES entityx-d PATH_SUFFIXES lib PATHS ${ENTITYX_PATHS})
+mark_as_advanced(ENTITYX_INCLUDE_DIR ENTITYX_LIBRARY)
+
+if(ENTITYX_INCLUDE_DIR AND ENTITYX_LIBRARY)
+       set(ENTITYX_FOUND TRUE)
+else()
+       set(ENTITYX_FOUND FALSE)
+endif()