Hello everybody,
my question is in the title !
I want to create a fortran static library using the following set of g95
compiler flags "-O3 -std=f2003 -funroll-loops -msse2"
If I use:
set_target_properties(my_static_lib PROPERTIES COMPILE_FLAGS "-O3
-std=f2003 -funroll-loops -msse2")
or
set_source_files_properties(${SRC_FILES} PROPERTIES COMPILE_FLAGS "-O3
-std=f2003 -funroll-loops -msse2")
where ${SRC_FILES} is the list of source files used to compile my static
library, the result is the same when starting the make process.
So, in such a case is there a difference between those two functions ?
Another question I have is when applying one or the other function, this
will duplicate some of the compiler flags (e.g. O3). The only way I
found to avoid this is to do the following:
set(CMAKE_Fortran_FLAGS_RELEASE " ")
set_target_properties(crysfml PROPERTIES COMPILE_FLAGS "-O3 -std=f2003
-funroll-loops -msse2")
so everything looks as if by default the CMAKE_Fortran_FLAGS_RELEASE
variable was set to "-O3" and then, the value stored in the
COMPILE_FLAGS variable was appended to it (so in that case "-O3" + "-O3
-std=f2003 -funroll-loops -msse2" giving "-O3 -O3 -std=f2003
-funroll-loops -msse2"). Am I right ?
thanks a lot
Eric
--
Eric Pellegrini
Calcul Scientifique
Insitut Laue-Langevin
Grenoble, France
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