On 26.07.2014 12:18, Ramón Casero Cañas wrote:
Dear all,
I have a Matlab function vmu2png.m (this is the source code), and I'd
like to compile it into an executable/binary using a CMake
project (cmake 2.8.11.2 on linux).
To compile the function, I need to run Matlab's mcc program, e.g. "mcc
-m vmu2png.m" from CMake. This will produce two files: run_vmu2png.sh
and vmu2png.
So far, I have managed to do it with add_custom_command() and
add_custom_target(), but this makes the function compile every time I
use "make", regardless of whether vmu2png.m has been modified.
My code is
# vmu2png
add_custom_command(
OUTPUT run_vmu2png.sh vmu2png
COMMAND ${MATLAB_ROOT}/bin/mcc
ARGS -m vmu2png.m
DEPENDS vmu2png.m
COMMENT "Compiling vmu2png.m into a binary"
)
add_custom_target(do_vmu2png ALL
DEPENDS run_vmu2png.sh vmu2png
SOURCES vmu2png.m
)
If I remove ALL from add_custom_target(), then this compilation never
happens.
Is there a way to integrate this kind of compilation nicely with
CMake? That is, I'd like it to happen only when run_vmu2png.sh or
vmu2png are missing, or when the source file has been modified.
Try using full paths for the OUTPUTs in the custom command and the
DEPENDS in your custom target (e.g.
"${CMAKE_CURRENT_BINARY_DIR}/run_vmu2png.sh").
The custom commands will keep rerunning when the actual outputs do not
coincide with the declared outputs.
Nils
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