Re: Building libsigsegv on Cygwin64

[Corinna Vinschen <corinna-cygwin@cygwin.com>]

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On Feb 21 16:32, Angelo Graziosi wrote:
> Trying to build libsigsegv-2.10 on Cygwin64 (using the src tarball
> and its .cygport file from x86 distribution), fails as follows
> 
> [...]
> libtool: compile:  gcc -DHAVE_CONFIG_H -I.
> -I/works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10/src -I.. -I.
> -I/works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10/src -ggdb -O2
> -pipe -Wimplicit-function-declaration -fdebug-prefix-map=/works/tmp/libsigsegv-2.10-1/build=/usr/src/debug/libsigsegv-2.10-1 -fdebug-prefix-map=/works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10=/usr/src/debug/libsigsegv-2.10-1
> -c /works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10/src/handler.c
> -DDLL_EXPORT -DPIC -o .libs/handler.o
> In file included from
> /works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10/src/handler.c:20:0:
> /works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10/src/handler-win32.c:
> In function 'main_exception_filter':
> /works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10/src/handler-win32.c:218:43:
> error: 'struct _CONTEXT' has no member named 'Esp'
>                ExceptionInfo->ContextRecord->Esp = new_safe_esp;
>                                            ^
> /works/tmp/libsigsegv-2.10-1/src/libsigsegv-2.10/src/handler-win32.c:220:43:
> error: 'struct _CONTEXT' has no member named 'Eip'
>                ExceptionInfo->ContextRecord->Eip = (unsigned
> long)&stack_overflow_handler;
>                                            ^
> Makefile:399: set di istruzioni per l'obiettivo "handler.lo" non riuscito
> make[1]: *** [handler.lo] Errore 1
> make[1]: uscita dalla directory "/works/tmp/libsigsegv-2.10-1/build/src"
> Makefile:344: set di istruzioni per l'obiettivo "install-recursive"
> non riuscito
> make: *** [install-recursive] Errore 1
> 
> Since my Cygwin64 is a fesh installation, I wonder if I missed to
> installe some needed packages... or is that error to be expected on
> Cygwin64?

Yes.  The above code appears not to know 64 bit CPUs.  The 64 bit
instruction pointer register is called Rip, rather than Eip, for
instance.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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