[CMake] Problem with multiple expressions with if()

[Domen Vrankar]

> if ((${CMAKE_SYSTEM_NAME} MATCHES "SunOS") or (DEFINED LINUX64))
>   message(STATUS "On Solaris or 64 bit Linux")
> endif()
> # ====================================================[
>
> I'm using cmake version 2.8.11.2 built from source on
>
> Linux localhost.localdomain 2.6.18-8.el5 #1 SMP Thu Mar 15 19:46:53 EDT 2007
> x86_64 x86_64 x86_64 GNU/Linux
>
> This doesn't work.  I get this error message is:
>
> CMake Error at CMakeLists.txt:12 (if):
>   if given arguments:
>
>     "(" "Linux" "MATCHES" "SunOS" ")" "or" "(" "DEFINED" "LINUX64" ")"
>
>   Unknown arguments specified
>
>
> What am I doing wrong?  Is this syntax not supported until the 3.x series?

Commands are case sensitive so OR should be upper cased.
Also I would recommand you either use "${var_name}" or var_name as the
command expects either a string or a variable.

Regards,
Domen