enkimi is now able to be used as a subdirectory in a cmake project, example now copies dependencies into binary directory

CMakeLists.txt

@@ -2,14 +2,9 @@ cmake_minimum_required(VERSION 2.8)
 
 project( enkiMI )
 
-include_directories ("${PROJECT_SOURCE_DIR}/src")
-
-set( ENKIMI_SRC
-     example/example.c
-     src/miniz.h
-	 src/miniz.c
-	 src/enkimi.h
-	 src/enkimi.c
-	 )
-
-add_executable( example ${ENKIMI_SRC} )
+#now our enkiMI target is available to everything below
+add_subdirectory(src)
+option(ENKIMI_ENABLE_EXAMPLE "Enable the enkiMI project example executable target" OFF)
+if(ENKIMI_ENABLE_EXAMPLE)
+	add_subdirectory(example)
+endif()

example/CMakeLists.txt

@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 2.8)
+
+project( enkiMI )
+
+add_executable(enkimi_example)
+target_sources(enkimi_example
+        PRIVATE
+        example.c)
+target_link_libraries(enkimi_example
+        PRIVATE
+        enkiMI::enkimi)
+#copy our example minecraft chunk file so our example runs regardless of directory the source exists in.
+add_custom_command(
+        TARGET enkimi_example POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E copy
+                ${CMAKE_CURRENT_SOURCE_DIR}/r.1.0.mca
+                ${CMAKE_CURRENT_BINARY_DIR}/r.1.0.mca
+        )

src/CMakeLists.txt

@@ -0,0 +1,16 @@
+cmake_minimum_required(VERSION 2.8)
+
+project( enkiMI )
+#for backward compatsake, using capital enkiMI, convention though is usually lowercase
+add_library(enkiMI)
+target_sources(enkiMI PUBLIC
+        ${CMAKE_CURRENT_SOURCE_DIR}/miniz.h
+        ${CMAKE_CURRENT_SOURCE_DIR}/miniz.c
+        ${CMAKE_CURRENT_SOURCE_DIR}/enkimi.h
+        ${CMAKE_CURRENT_SOURCE_DIR}/enkimi.c
+        )
+#if we don't use current source directory, we can't use this project as a submodule
+target_include_directories(enkiMI PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/)
+
+
+add_library(enkiMI::enkimi ALIAS enkiMI)