Please pardon my last message. I found a thread from 2013-01-09  that kgardenia42 wrote and it pretty much addresses everything that I need.

-Jimi

On 07/14/2013 01:49 PM, Jimi Damon wrote:
Hi,


I am new-ish to Cmake and hence might be overlooking a simple solution to this problem. Here's the quick crux of my problem.

I have a directory full of .C files that I want to compile to a C based Shared library and compile to a C++ shared library.  In the original Makefile, it was handled by a simple rule that did the following

g++ $(CXX_FLAGS)  file.c -o file.cpp.o

vs.

gcc $(C_FLAGS)  file.c -o file.o

What I tried doing in CMAKE was have two targets with one being C based library, and the other a C++ based. I then tried messing around with SET_SOURCE_FILES_PROPERTIES and SET_TARGET_PROPERTIES to change the compiler type for each set.

However, Cmake keeps track of the underlying files. So even if I had

file (GLOB c_files  RELATIVE "${CMAKE_SOURCE_DIR}" "${CMAKE_SOURCE_DIR}/*.c" )
followed by

file (GLOB cxx_files  RELATIVE "${CMAKE_SOURCE_DIR}" "${CMAKE_SOURCE_DIR}/*.c" )

ADD_LIBRARY( cxx_entries SHARED  cxx_files )
#and
ADD_LIBRARY( c_entries  SHARED c_files )


Then when I used the add_library () commands, it remembered only one compiler type for both, and hence either both libraries would be CXX compiled or C compiled.


So, my question is : what is the best way to handle one directory full of C files so that I can compile both to a C based shared library and  C++ based shared library.

I thought about adding a custom rule, but considering that this will be migrated over to Windows , I am trying to rely on as much CMake as possible to try to ensure that it will work cross-platform.

Thanks for any suggestions,

-Jimi


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--
Jimi Damon
ACCES I/O Products, Inc.
Linux Engineer
[email protected]
(858) 550-9559 x3015
--
Jimi Damon
ACCES I/O Products, Inc.
Linux Engineer
[email protected]
(858) 550-9559 x3015
--

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