On 22.04.2014, at 14:48, Martin Costabel <costa...@wanadoo.fr> wrote:

> On 22/04/14 14:05, Max Horn wrote:
>> Hi,
>> 
>> trying to build apt-0.5.4-1061 fails for me. See the attached log.
> 
>> checking build system type... x86_64-apple-darwin12
>> checking for gcc... gcc
>> checking whether the C compiler (gcc  ) works... yes
>> checking whether the C compiler (gcc  ) is a cross-compiler... no
>> checking whether we are using GNU C... yes
>> checking whether gcc accepts -g... no
>> checking for POSIXized ISC... no
>> checking for c++... c++
>> checking whether the C++ compiler (c++ -O2 -DEMULATE_MMAP -D__USE_MISC 
>> -fconstant-cfstrings -DHAVE_SOCKLEN_T=1 ) works... yes
>> checking whether the C++ compiler (c++ -O2 -DEMULATE_MMAP -D__USE_MISC 
>> -fconstant-cfstrings -DHAVE_SOCKLEN_T=1 ) is a cross-compiler... no
>> checking whether we are using GNU C++... yes
>> checking whether c++ accepts -g... no
>> checking how to run the C preprocessor... /lib/cpp
> 
> What weird gcc and c++ do you have that don't accept -g?

Everything is stock here, nothing weird, and of course it accepts -g -- that 
test result is bogus. The problem rather seems to be our compiler wrappers. 
From config.log:

...
configure:850: checking whether gcc accepts -g
configure:882: checking for POSIXized ISC
configure:908: checking for c++
configure:940: checking whether the C++ compiler (c++ -O2 -DEMULATE_MMAP 
-D__USE_MISC -fconstant-cfstrings -DHAVE_SOCKLEN_T=1 ) works
configure:956: c++ -o conftest -O2 -DEMULATE_MMAP -D__USE_MISC 
-fconstant-cfstrings -DHAVE_SOCKLEN_T=1   conftest.C  1>&5
warning: unknown warning option 
'-Werror=unused-command-line-argument-hard-error-in-future'; did you mean 
'-Werror=unused-command-line-argument'? [-Wunknown-warning-option]
1 warning generated.
...


But for completeness:

$ which gcc
/usr/bin/gcc
$ which cc
/usr/bin/cc
$ cc -v
Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
Target: x86_64-apple-darwin12.5.0
Thread model: posix
$ gcc --version
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr 
--with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
Target: x86_64-apple-darwin12.5.0
Thread model: posix


> And what does config.log say about this?


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