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Problems with gcc after upgrade to 4.6 stable release
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Arctic
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Joined: 04 Jul 2011
Posts: 207

PostPosted: Fri Jan 11, 2013 1:58 pm    Post subject: Problems with gcc after upgrade to 4.6 stable release Reply with quote

I upgraed to gcc stable release ,and i switch to sys-devel/gcc-4.6.3:4.6

I make and revdep-rebuid with some mistakes , in :

Code:
All prepared. Starting rebuild
emerge --complete-graph=y --oneshot   gnustep-base/gnustep-back-cairo:0 gnustep-base/gnustep-base:0 gnustep-base/gnustep-gui:0


i got this error:

Code:
Please refer to your compiler installation instructions for more help.
configure: error: The Objective-C compiler does not work or is not installed properly.


It clains for use "objc" enable support, i recompile gcc with this new flag enable with no look ......... so what is the problem ?????

Code:
[ebuild   R    ] sys-devel/gcc-4.6.3:4.6  USE="cxx fortran gtk mudflap (multilib) nls nptl objc
openmp (-altivec) -bootstrap -build -doc (-fixed-point) -gcj -go -graphite (-hardened) (-libssp) -multislot -nopie -nossp -objc++ -objc-gc {-test} -vanilla" 0

Regards
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chithanh
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Joined: 05 Aug 2006
Posts: 2158
Location: Berlin, Germany

PostPosted: Sat Jan 12, 2013 2:54 am    Post subject: Reply with quote

config.log may give some hints on what could be wrong.
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Yamakuzure
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Joined: 21 Jun 2006
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Location: Adendorf, Germany

PostPosted: Mon Jan 14, 2013 12:05 pm    Post subject: Reply with quote

Did you actually switch to your new version of gcc using
Code:
gcc-config
and fixed hard wired paths using
Code:
fix_libtool_files.sh
after upgrading gcc?
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andrewwalker27
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Joined: 27 Jun 2005
Posts: 660

PostPosted: Thu Mar 21, 2013 1:46 pm    Post subject: Reply with quote

I'm having exactly the same problem, gnustep-base-1.24.3 fails to install because of objc errors as shown here

Code:

checking for objc_root_class attribute support... found
checking whether objc really works... no
I don't seem to be able to use your Objective-C compiler to produce
working binaries!  Please check your Objective-C compiler installation.


I've checked objc use flag is set

Code:

[ebuild   R    ] sys-devel/gcc-4.7.2-r1:4.7  USE="cxx fortran gcj gtk mudflap (multilib) nls nptl objc openmp (-altivec) -doc (-fixed-point) -go -graphite (-hardened) (-libssp) -multislot -nopie -nossp -objc++ -objc-gc {-test} -vanilla" 0 kB


I've also done
Code:

gentoo portage # gcc-config -l
 [1] avr-4.4.7 *
 [2] avr-4.7.2

 [3] x86_64-pc-linux-gnu-4.3.6
 [4] x86_64-pc-linux-gnu-4.7.2 *
gentoo portage #


and also run
Code:

fix_libtool_files.sh


but still the error persists. I've removed all the gnustep packages and started again but nothing seems to help. Do I require the package gnustep-base/libobjc2 or is that purely for gnustep code as it doesn't get pulled in as a dependency? I tried installing it anyway but it didn't help.
I also enabled objc++ and objc-gc use flags but it made no difference.
Any suggestions?
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