[CMake] "rule" to generate assembler listings for each c file

[Luca Cappa]

Hi Arne,

I think this cmake script shows what you need to do to add a compiler flag  
for each source file.
It adds a dummy flag "/flagadded:FILE_NAME" for each source file according  
to its name.

project(flags_per_file)
cmake_minimum_required(VERSION 2.6)

set(SOURCES x1.c x2.c x3.c)
add_executable(executable ${SOURCES})

foreach(FILE ${SOURCES})
   set_source_files_properties (${FILE}
	  PROPERTIES
	  COMPILE_FLAGS "/flagadded:${FILE}")
   message("${FILE} -->> /flagadded:${FILE}")
endforeach(FILE in ${SOURCES})


Greetings,
Luca


On Sat, 09 Jan 2010 22:02:49 +0100, Arne Pagel <arne at pagelnet.de> wrote:

> Hello,
>
> I try to use cmake for crosscompiling an embedded project with  
> arm-elf-gcc.
> For a simple project, a CMakeLists.txt like this works fine for me:
>
> cmake_minimum_required(VERSION 2.6)
>
> SET(CMAKE_SYSTEM_NAME Generic)
> SET(CMAKE_C_COMPILER arm-elf-gcc)
>
> SET (CMAKE_SHARED_LINKER_FLAGS_INIT "")
> SET(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
>
> SET (CMAKE_C_FLAGS "-O3 -g3 -Wall -L lib -mcpu=cortex-m3 -mthumb")
> SET (CMAKE_EXE_LINKER_FLAGS "-mcpu=cortex-m3 -mthumb -nostartfiles -T  
> link.ld")
>
> add_executable (../test.elf startup.c main.c foo.c)
> TARGET_LINK_LIBRARIES (../test.elf ${CMAKE_CURRENT_SOURCE_DIR}/lib/bar.a)
>
>
> For debugging, I want gcc to export assembler listings for each c-file  
> it compiles.
>
> This can be done with adding -Wa,-ahl=file.lst to the C-Flags
> SET (CMAKE_C_FLAGS "-O9 -g3 -Wall -L lib -mcpu=cortex-m3 -mthumb"  
> -Wa,-ahl=file.lst)
>
> But this is not exactly what I want,
> instead of file.lst I want that "file" is replaced with the filename  
> which make is currently processing.
> The result should be foo.lst while processing foo.c and main.lst for  
> main.c.
>
> I know how I can solve it with make, but I have no idea how I could tell  
> this to cmake.
>
> I found CMAKE_CURRENT_LIST_FILE, but I don't know if it helps me.
>
> Has anyone an Idea?
>
> Best Regards
>    Arne
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-- 
--

Luca Cappa
R&D
Sequoia IT s.r.l.
Via L. Einaudi, 25
10024 Moncalieri (To) Italy
www.sequoia.it

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