Re: [CMake] simple program, os x library archive error, linux no issues

2013-11-20 Thread Arne Pagel 
OK, thanks.

But somehow complicated. I wonder If I couldn't (miss)use the UPDATE_COMMAND 
for this.
Can I use a macro as UPDATE_COMMAND?

My CMakeLists.txt looks like that right now:


include(ExternalProject)

SET(subprojects  core0 core1 core2)

foreach(MYPROJ ${subprojects})

  ExternalProject_Add(
${MYPROJ}
SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${MYPROJ}
CMAKE_ARGS 
-DCMAKE_TOOLCHAIN_FILE=${CMAKE_CURRENT_SOURCE_DIR}/MyToolChain.cmake
UPDATE_COMMAND 
INSTALL_COMMAND 
)

  ExternalProject_Add_Step(${MYPROJ} rescan
COMMAND ${CMAKE_COMMAND} -E touch 
${CMAKE_CURRENT_SOURCE_DIR}/${MYPROJ}/CMakeLists.txt
DEPENDEES forcebuild
DEPENDERS build
ALWAYS 1
)

  ExternalProject_Add_Step(${MYPROJ} forcebuild
COMMAND ${CMAKE_COMMAND} -E remove

${CMAKE_CURRENT_BUILD_DIR}/${MYPROJ}-prefix/src/${MYPROJ}-stamp/${MYPROJ}-build
DEPENDEES configure
DEPENDERS rescan
ALWAYS 1
)

endforeach(MYPROJ)


I tried to play a little bit around with the prefix dir to make this a little 
bit more sens full,
but not a real success so far. Any better Idea?

Next I need to link the Outputs of the three cores together.
Can I somehow automatically get the targets from each subproject?

I also like to improve the touch thing for my globbing procedure, but maybe I 
will discuss this
separately in an other thread.

thanks
  Arne
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Re: [CMake] multi core project

2013-11-20 Thread Arne Pagel 
OK, thanks.

But somehow complicated. I wonder If I couldn't (miss)use the UPDATE_COMMAND 
for this.
Can I use a macro as UPDATE_COMMAND?

My CMakeLists.txt looks like that right now:


include(ExternalProject)

SET(subprojects  core0 core1 core2)

foreach(MYPROJ ${subprojects})

  ExternalProject_Add(
${MYPROJ}
SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${MYPROJ}
CMAKE_ARGS 
-DCMAKE_TOOLCHAIN_FILE=${CMAKE_CURRENT_SOURCE_DIR}/MyToolChain.cmake
UPDATE_COMMAND 
INSTALL_COMMAND 
)

  ExternalProject_Add_Step(${MYPROJ} rescan
COMMAND ${CMAKE_COMMAND} -E touch 
${CMAKE_CURRENT_SOURCE_DIR}/${MYPROJ}/CMakeLists.txt
DEPENDEES forcebuild
DEPENDERS build
ALWAYS 1
)

  ExternalProject_Add_Step(${MYPROJ} forcebuild
COMMAND ${CMAKE_COMMAND} -E remove

${CMAKE_CURRENT_BUILD_DIR}/${MYPROJ}-prefix/src/${MYPROJ}-stamp/${MYPROJ}-build
DEPENDEES configure
DEPENDERS rescan
ALWAYS 1
)

endforeach(MYPROJ)


I tried to play a little bit around with the prefix dir to make this a little 
bit more sens full,
but not a real success so far. Any better Idea?

Next I need to link the Outputs of the three cores together.
Can I somehow automatically get the targets from each subproject?

I also like to improve the touch thing for my globbing procedure, but maybe I 
will discuss this
separately in an other thread.

thanks
  Arne


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Re: [CMake] simple program, os x library archive error, linux no issues

2013-11-20 Thread Arne Pagel 
sorry,
it seems that I replyed to the wrong thread...
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Re: [CMake] multi core project

2013-11-19 Thread Arne Pagel 
Dear all,

I just tried to use the ExternalProject_Add for this multicore project, having 
different separate
camke projects for each core

Now I have 2 Problems:

1.)
with the ExternalProject_Add and a given source dir it seams that my external 
projects are not
rebuild if I made some changes there. Is there some nice way to rebuild the 
exeternal project all
the time?

This is how I call the External Project now:

ExternalProject_Add(
   CORE0

   SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/core0

   CMAKE_ARGS 
-DCMAKE_TOOLCHAIN_FILE=${CMAKE_CURRENT_SOURCE_DIR}/MyToolChain.cmake

   UPDATE_COMMAND 
   INSTALL_COMMAND 
)


2.)
Since there is some code generation involved which produces a number of 
randomly named c files I
have to use a globbing function to get all source files.
This inherits, that before each build, I have to call make rebuild_cache, in 
order to scan for
these new C files. (Is ther maybe a smarter way to do this?)
So I have to include also this step within the build, I tried 
ExternalProject_Add_Step, but so far I
couldn't get it running make in the binary dir.



Any suggestion for me?






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[CMake] multi core project

2013-11-11 Thread Arne Pagel 
Dear all,

I am using cmake for an embedded environment where I now have to add multi core 
support.

In this case I have a Controller with up to 4 different cores!
There is for example one core dedicated for fast peripheral access,
one core for with additional dsp instructions and so on.
For 3 Controllers I can use the same C Compiler, but with different Compiler 
Options,
for the 4th core I even have to involve a different Compiler.

What I see so far for this controllers are the use of hand made makefiles.
Lets say there are four source directories, with more or less independent 
makefiles,
later the output files are merged.
(btw. does anyone know an elf merging tool? So far I use a very simple approach 
based on libelf,
producing an hex file)

Finally all these Cores are accessing the same flash area, and I need one final 
executable after my
build process.
Since there is a big dependency between the cores and code reallocation between 
the cores will
happen quite often in the future, I want to treat everything as one project.

So basically in cmake I need target dependent compiler options and toolchains.


Does anyone have an Idea how to setup this with cmake in a smart way?

regards
  Arne
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[CMake] specifying two (cross)compilers

2011-11-24 Thread Arne Pagel 

Hello everyone,

I have a  project (for embedded controllers) where I have to use 2 different 
compilers for 2 targets.

The output of the first target is included in to the elf-output of the second 
one.
src_1/* - 1.elf
src_2/* - 2.elf + 1.elf

Currently I use this procedure with a hand written makefile, and now I want to switch to cmake, but 
I don't know how to specify a second compiler in camke. (I think both compilers have to be forced).


I can use one major CmakeLists.txt and creating subprojects, which each of its own CMakelists.txt, 
but then I have no dependency, (src_2 just can be build when src_1 is has finished).
I also want, that if I just modify src_1 (and I call make just from that source) src_2 is rebuild 
afterwards.


Any Idea what might be the best solution for that?



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[CMake] ADD_CUSTOM_COMMAND, crating file with echo redirection, platform independent

2010-10-27 Thread Arne Pagel 

Hello,

I need a custom command in my build process.
The tool that I am using has a small problem, I have to insert a line of code in
the output file manually:
#include gtk/gtk.h

I tried this with echo and output redirection:
echo #include gtk/gtk.h  images.c

The tool, gdk-pixbuf-csource, is not able to generate a file, therefor its output has to be 
redirected to the file too:

gdk-pixbuf-csource --raw pix1 ./images/pix1.png  images.c

I can get it work one linux and win32 system, but with different syntax:

This works on a win32 System:

ADD_CUSTOM_COMMAND (OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/images.c
COMMAND ${CMAKE_COMMAND} -E echo \#include gtk/gtk.h  
images.c
COMMAND gdk-pixbuf-csource --raw pix1 ./images/pix1.png  
images.c
DEPENDS ./images/pix1.png )


This works on a linux System:

ADD_CUSTOM_COMMAND (OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/images.c
COMMAND echo \#includegtk/gtk.h \  images.c
COMMAND gdk-pixbuf-csource --raw pix1 ./images/pix1.png  
images.c
DEPENDS ./images/pix1.png )

I tried many variations of above examples, but I can't get running on both systems with the same 
syntax, any idea what might be right?


Perhaps there is another way then echo to write something in a file, I tried FILE(WRITE) but I 
failed with this.


I could make a file with the include line already inserted and than try to copy it, I saw some 
commands for that, is this the better Way? Actually I don't prefer this, I don't want to have a 
strange single-line source file in the project.


regards
  Arne
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Re: [CMake] rule to generate assembler listings for each c file

2010-01-11 Thread Arne Pagel 

 Are you sure you really need that ?
 If you enter make help in the directory of your target, you will see that
 there are also rules for building the object files foo.o and also for just
 generating the assembler files (foo.s).
 I.e. you can manually enter make ...path/foo.s and this will produce the
 assembler file for you so you can look at it.

 From my experience this is the typical use case: if something goes wrong, look
 at the assembler file of the file in question and check whether it makes
 sense. Do you need it for something else ?

Well, with the compiler Flags I will not have just an assembler file *.s, then 
I have a list file
with more debug information like high level language comments, symbols an so on.

But you are right, at the moment I have always a list file of the last changed file, I can control 
it easily with a dummy change. I didn't know the make help target, thank you for that hint.


But the solution Luca suggest looks very interesting, I will try it out and 
look if it works.

Best regards
  Arne
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[CMake] rule to generate assembler listings for each c file

2010-01-09 Thread Arne Pagel 

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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