[CMake] Link resource to dll or executable

[Darko Miletic]

Hi,

I discovered that implementation of borland makefiel generator is 
incomplete or incorrect.

In version 2.2.1 (beta) rc files are being ignored, that is no command 
lines are being produced that generate res files.

Furthermore these files can not be added to the dll or executable using 
current settings because bcc32 is not designed to handle res files when 
passing them to linker.

The only way to link resource files to exe or dll is by using borland 
linker ilink32.

This what I did in my script to resolve this issue:

PROJECT(Resourcetest)

SET (SRC dllmain.cpp )
SET ( RESOURCE_FILES_SRC test.rc )
SET ( RESOURCE_FILES test.res )

ADD_LIBRARY (test SHARED ${SRC})
ADD_CUSTOM_COMMAND ( TARGET test
                      PRE_LINK
                      COMMAND brcc32
                      ARGS -fo${RESOURCE_FILES} ${RESOURCE_FILES_SRC}
                      )
ADD_CUSTOM_COMMAND ( TARGET test
                      POST_BUILD
                      COMMAND del
                      ARGS "<TARGET>"
                      )

ADD_CUSTOM_COMMAND ( TARGET test
                      POST_BUILD
                      COMMAND del
                      ARGS "<TARGET_BASE>.lib"
                      )

ADD_CUSTOM_COMMAND ( TARGET test
                      POST_BUILD
                      COMMAND ilink32
                      ARGS ${CMAKE_START_TEMP_FILE}-Gn -Gi -Tpd -aa 
c0d32.obj <OBJECTS>,<TARGET>,,<LINK_LIBRARIES> 
cw32mti.lib,,${RESOURCE_FILES}${CMAKE_END_TEMP_FILE}
                      COMMENT "Real build of dll"
                      )


But the real solution for this would be to do following:
1. Add proper handling of rc files - which means to generate separate 
target that will build res file.
2. Add placeholder <RESOURCE_FILES> that will contain generated res file 
name(s).
3. Change CMAKE_CXX_CREATE_SHARED_LIBRARY, 
CMAKE_C_CREATE_SHARED_LIBRARY, CMAKE_C_LINK_EXECUTABLE, 
CMAKE_CXX_LINK_EXECUTABLE
to look like this:

CMAKE_CXX_CREATE_SHARED_LIBRARY/CMAKE_C_CREATE_SHARED_LIBRARY -
ilink32 ${CMAKE_START_TEMP_FILE}-Gn -Gi -Tpd -aa c0d32.obj 
<OBJECTS>,<TARGET>,,<LINK_LIBRARIES> 
cw32mti.lib,,<RESOURCE_FILES>${CMAKE_END_TEMP_FILE}

CMAKE_C_LINK_EXECUTABLE/CMAKE_CXX_LINK_EXECUTABLE
ilink32 ${CMAKE_START_TEMP_FILE}-Gn -Gi -Tpe -ap c0x32.obj 
<OBJECTS>,<TARGET>,,<LINK_LIBRARIES> 
cw32mt.lib,,<RESOURCE_FILES>${CMAKE_END_TEMP_FILE}


Of course this is just rough proposal. What needs to be taken into 
acount is type of RTL we want and is it console or GUI app.

Darko