Make building C bindings optional.

library/CMakeLists.txt

@@ -54,6 +54,11 @@ include/dfhack/modules/WindowIO.h
 include/dfhack/modules/World.h
 )
 
+SET(PROJECT_C_HDRS
+include/dfhack-c/DFTypes_C.h
+include/dfhack-c/DFContext_C.h
+)
+
 SET(PROJECT_SRCS
 DFMemInfo.cpp
 DFMemInfoManager.cpp
@@ -61,8 +66,6 @@ DFContextManager.cpp
 DFContext.cpp
 DFProcessEnumerator.cpp
 ContextShared.cpp
-DFContext_C.cpp
-DFTypes_C.cpp
 
 depends/md5/md5.cpp
 depends/md5/md5wrapper.cpp
@@ -83,6 +86,11 @@ modules/Position.cpp
 modules/Translation.cpp
 modules/Vegetation.cpp
 modules/World.cpp
+)
+
+SET(PROJECT_C_SRCS
+DFContext_C.cpp
+DFTypes_C.cpp
 
 modules/Buildings_C.cpp
 modules/Constructions_C.cpp
@@ -126,6 +134,11 @@ ELSE(UNIX)
     LIST(APPEND PROJECT_SRCS ${PROJECT_SRCS_WINDOWS})
 ENDIF(UNIX)
 
+IF(BUILD_DFHACK_C_BINDIGS)
+    LIST(APPEND PROJECT_HDRS ${PROJECT_C_HDRS})
+    LIST(APPEND PROJECT_SRCS ${PROJECT_C_SRCS})
+ENDIF(BUILD_DFHACK_C_BINDIGS)
+
 SET_SOURCE_FILES_PROPERTIES( ${PROJECT_HDRS} PROPERTIES HEADER_FILE_ONLY TRUE )
 
 LIST(APPEND PROJECT_SRCS ${PROJECT_HDRS})

tools/playground/CMakeLists.txt

@@ -12,10 +12,6 @@ ENDIF(UNIX)
 ADD_EXECUTABLE(dfmoodump moodump.cpp)
 TARGET_LINK_LIBRARIES(dfmoodump dfhack)
 
-# for trying out some 'stuff'
-ADD_EXECUTABLE(dftest test.cpp)
-TARGET_LINK_LIBRARIES(dftest dfhack)
-
 # bauxite - turn all mechanisms into bauxite mechanisms
 # Author: Alex Legg
 #ADD_EXECUTABLE(dfbauxite dfbauxite.cpp)
@@ -60,9 +56,19 @@ TARGET_LINK_LIBRARIES(dfcatsplosion dfhack)
 #ADD_EXECUTABLE(dfrenamer renamer.cpp)
 #TARGET_LINK_LIBRARIES(dfrenamer dfhack)
 
+# this needs the C bindings
+IF(BUILD_DFHACK_C_BINDIGS)
+    # for trying out some 'stuff'
+    ADD_EXECUTABLE(dftest test.cpp)
+    TARGET_LINK_LIBRARIES(dftest dfhack)
+    install(TARGETS
+    dftest
+    RUNTIME DESTINATION bin
+    )
+ENDIF(BUILD_DFHACK_C_BINDIGS)
+
 install(TARGETS
 dfmoodump
-dftest
 dfdigger
 dfdigger2
 dfcatsplosion