Hello Martin,
is this problem still open?
Thanks
Jörg
On Sun, Apr 17, 2016 at 03:14:32PM +0200, Martin Kaiser wrote:
> I'm getting strange cmake errors on Debian Wheezy (cmake 2.8.9).
>
> -- Performing Test WS_LD_FLAG_VALID0
> CMake Error at CMakeLists.txt:11 (ADD_EXECUTABLE):
> Target "cmTryCompileExec701976172" links to item " -Wl,--as-needed" which
> has leading or trailing whitespace. This is now an error according to
> policy CMP0004.
>
>
> CMake Error: Internal CMake error, TryCompile generation of cmake failed
> -- Performing Test WS_LD_FLAG_VALID0 - Failed
> statuscheck linker flag - test linker flags: -pie
> -- Performing Test WS_LD_FLAG_VALID1
> CMake Error at CMakeLists.txt:11 (ADD_EXECUTABLE):
> Target "cmTryCompileExec2930916065" links to item " -pie" which has leading
> or trailing whitespace. This is now an error according to policy
> CMP0004.
>
> CMake Error: Internal CMake error, TryCompile generation of cmake failed
>
>
>
> Apparently, cmake doesn't like leading whitespace in linker options. I
> tried setting the CMP0004 policy to the old behaviour which is not
> ignore the whitespace.
>
> cmake_policy(SET CMP0004 OLD)
>
> This doesn't fix things. Google results show that this is in fact a bug
> in cmake's parsing.
>
> KDE discovered the bug in their build
> http://comments.gmane.org/gmane.comp.kde.devel.buildsystem/7858
>
> Cmake fixed it here
> https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=e65ef08b
>
>
> I tried to work around this by removing whitespace from the linker flags
> or applying a regexp replace on the final list of linker flags.
> None of this produced a clean and readable solution.
>
> Does anyone more familiar with cmake have a recommendation how to fix
> this properly?
--
Joerg Mayer <jmayer@xxxxxxxxx>
We are stuck with technology when what we really want is just stuff that
works. Some say that should read Microsoft instead of technology.