[CMake] help with learning add_library

[luxInteg]

On Saturday 06 November 2010 23:08:29 Eric Noulard wrote:

> 
> I think you cannot use **the same** file properties on a source file
> and expect CMake will compile the file twice for the same target.
> If you want to compile the same source file twice with different compile
> flags **FOR THE SAME TARGET** you have to copy this file
> 

> SET_SOURCE_FILES_PROPERTIES(file1-long.c PROPERTIES
> COMPILE_DEFINITIONS "-DLONG")


> ** same for file 2 **
> ADD_LIBRARY(LearnCMAKE-static STATIC file1.c file1-long.c file2.c
> file2-long.c) ADD_LIBRARY(LearnCMAKE-shared SHARED file1.c file1-long.c
> file2.c file2-long.c)

BUT
suppose I decide to set   file1.c and file2.c   as some variable "FILES" and I 
want to use a preprocessor say DLONG 
 could I do the following?

set(FILES file1.c file2.c )
SET_SOURCE_FILES_PROPERTIES(${FILES} PROPERTIES COMPILE_DEFINITIONS "-DLONG")