Re: gnustep-base's configure is broken on FreeBSD 9.1 when used with libobjc2 r36872

[David Chisnall]

Hi Marcus,

On 17 Jul 2013, at 09:53, Marcus Müller <address@hidden> wrote:

> Hi (David),
> 
> when configuring gnustep-base on FreeBSD 9.1 in conjunction with clang33 and 
> libobjc2 r36872, it's currently broken (since July, 8th):
> 
> CC=/usr/local/bin/clang33 
> CXX=/usr/local/bin/clang++33
> 
> $ ./configure --disable-mixedabi CC=${CC} CXX=${CXX}
> […]
> checking whether objc really works... yes
> checking if the compiler supports -fconstant-string-class... Segmentation 
> fault (core dumped)
> no
> configure: error: Your compiler does not appear to implement the 
> -fconstant-string-class option needed for support of strings.  Please check 
> for a more recent version or consider using --enable-nxconstantstring
> 
> I'm doing nightly builds with clang33 on my FreeBSD 9.1 box (which hasn't 
> changed in quite a while), thus I can narrow down the set of changes which 
> has introduced this problem to libobjc2 r36850 or r36851 (both committed Mon, 
> 08 Jul 2013).

Can you check your conflg.log to see what it says about the failing program?

> 
> I've configured gnustep-make and libobjc2 (in this order) like this:

This looks mostly sensible, except that if you do it like this you will have to 
re-configure GNUstep-make to tell it to use libobjc2 - currently it will 
default to -lobjc, and you're installing libobjc2 as libobjc2.so.

> 
> gnustep-make
> ===========
> 
> 
> $ ./configure --enable-objc-nonfragile-abi --enable-native-objc-exceptions 
> --with-layout=fhs --enable-debug-by-default CC=${CC} CXX=${CXX}
> $ gmake -j 8 && sudo -E gmake install
> 
> libobjc2
> ======
> 
> $ rm -rf Build; mkdir Build; cd Build
> $ CC=${CC} CXX=${CXX} GNUSTEP_CONFIG=/usr/local/bin/gnustep-config 
> GNUSTEP_INSTALL_TYPE=LOCAL LIBOBJC_NAME=objc2 CMAKE_C_COMPILER=${CC} 
> CMAKE_CXX_COMPILER=${CXX} CMAKE_ASM_COMPILER=${CC} CMAKE_ASM_FLAGS=-c 
> CMAKE_BUILD_TYPE=Release cmake ..
> $ make -j 4 && sudo -E make install
> 
> 
> 
> Cheers,
> 
>   Marcus
> 
> --
> Marcus Müller  .  .  .  http://www.mulle-kybernetik.com/znek/
> 
> 
> 
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