Hi,
in my project there is a subfolder which SHALL contain sources to
generate a library. The problem is that at startup of the project there
are no source files existing, because they will be generated by a code
generator. This means within the build process the code generator needs
to be called first, then generates the output files in the subfolder and
then a library shall be generated from that source files (this are
standard .c and .h files). If I start the code generator by hand to
generate the source files and remove the custom command, then the
compilation is successful, but I want the code generator to be started
every time the configuration file for the code generator has changed.
In my sample below
* the driver.c would be one of the files which the code generator would
generate
* the variable CodeGen is the executable tool (the code generator himself)
* the variable CodeGenParam contains the parameters which are passed to
be able to generate without any user interaction
* the variable CodeGenConfig is the input file for the code generator
This subfolder contains its own CMakeLists.txt with the following settings:
##################### snip #####################
project(CANstack C)
add_custom_command( OUTPUT driver.c
COMMAND ${CodeGen}
${CodeGenParam}
DEPENDS ${CodeGenConfig} )
)
file(GLOB CANstack_srcs "*.c")
file(GLOB CANstack_hdrs "*.h")
set(lib_name "CANstack")
add_library(${lib_name} STATIC ${CANstack_srcs} ${CANstack_hdrs})
##################### snap #####################
I don't get it work that the custom command is called and the source
files from the code generator are produced.
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