Hi Adam, thanks for the report.

On 04/26/2012 10:05 AM, Adam Mercer wrote:
> 
> I've been looking at getting the version of automake in MacPorts
> updated to automake-1.12 and I'm getting the following test failure:
> 
> FAIL: t/lex-depend-cxx
> ======================
>
> [SNIP]
>
> + make
> /bin/sh ./ylwrap joe.ll lex.yy.c joe.cc -- lex
> g++ -DPACKAGE_NAME=\"lex-depend-cxx\"
> -DPACKAGE_TARNAME=\"lex-depend-cxx\" -DPACKAGE_VERSION=\"1.0\"
> -DPACKAGE_STRING=\"lex-depend-cxx\ 1.0\" -DPACKAGE_BUGREPORT=\"\"
> -DPACKAGE_URL=\"\" -DPACKAGE=\"lex-depend-cxx\" -DVERSION=\"1.0\"
> -DYYTEXT_POINTER=1 -I.     -g -O2 -MT joe.o -
> MD -MP -MF .deps/joe.Tpo -c -o joe.o joe.cc
> In file included from /usr/include/c++/4.2.1/bits/os_defines.h:61,
>                  from /usr/include/c++/4.2.1/bits/c++config.h:41,
>                  from /usr/include/c++/4.2.1/cstdio:50,
>                  from my-hdr.hxx:2,
>                  from joe.ll:10:
> joe.ll:3: error: previous declaration of ‘int isatty(int)’ with ‘C++’ linkage
> /usr/include/unistd.h:502: error: conflicts with new declaration with
> ‘C’ linkage
> make: *** [joe.o] Error 1
> 
> This is with Mac OS 10.7.3 and Xcode-4.3.2
> 
Does the attached patch solves the problem for you?

Thanks,
  Stefano