X-Recipient: archive-cygwin AT delorie DOT com X-Spam-Check-By: sourceware.org Message-ID: <47FBA00A.2090201@gmail.com> Date: Tue, 08 Apr 2008 12:40:42 -0400 From: Robert Eckhoff User-Agent: Thunderbird 2.0.0.12 (Windows/20080213) MIME-Version: 1.0 To: Dave Korn , cygwin AT cygwin DOT com Subject: Re: Compiling Cygwin on Linux References: <47F1B87A DOT 3050709 AT gmail DOT com> <47F538F3 DOT CAFABB19 AT dessent DOT net> <47F71B44 DOT 8030404 AT gmail DOT com> <47F72A42 DOT C56BC03F AT dessent DOT net> <47F7F17E DOT 1090202 AT gmail DOT com> <003901c89972$d08f41b0$2708a8c0 AT CAM DOT ARTIMI DOT COM> In-Reply-To: <003901c89972$d08f41b0$2708a8c0@CAM.ARTIMI.COM> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Below are the errors I received before I made their associated changes. Dave Korn wrote: > Robert Eckhoff wrote on 05 April 2008 22:39: > > >> directories. Winsup also had some source problems that I corrected. >> >> ~/cygwin-1.5.25-11/winsup/cygwin/winsup.h:276 >> -extern bool wsock_started; >> +extern "C" bool wsock_started; >> >> Before I made the change, Error: /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/winsup.h:276: error: previous declaration of 'bool wsock_started' with 'C++' linkage /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/autoload.cc:246: error: conflicts with new declaration with 'C' linkage >> ~/cygwin-1.5.25-11/winsup/cygwin/winsup.h:156 >> -extern int __api_fatal_exit_val; >> +extern "C" int __api_fatal_exit_val; >> >> >> ~/cygwin-1.5.25-11/winsup/cygwin/environ.h:46 >> -extern char **__cygwin_environ, ***main_environ; >> +extern "C" char **__cygwin_environ, ***main_environ; >> > > i686-pc-cygwin-c++ -L/home/rpeckhoff/cygwin/i686-pc-cygwin/winsup -L/home/rpeckhoff/cygwin/i686-pc-cygwin/winsup/cygwin -L/home/rpeckhoff/cygwin/i686-pc-cygwin/winsup/w32api/lib -isystem /home/rpeckhoff/cygwin-1.5.25-11/winsup/include -isystem /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/include -isystem /home/rpeckhoff/cygwin-1.5.25-11/winsup/w32api/include -B/home/rpeckhoff/cygwin/i686-pc-cygwin/newlib/ -isystem /home/rpeckhoff/cygwin/i686-pc-cygwin/newlib/targ-include -isystem /home/rpeckhoff/cygwin-1.5.25-11/newlib/libc/include -c -nostdinc++ -DHAVE_CONFIG_H -O2 -g -O2 -MMD -fmerge-constants -ftracer -Wall -Wstrict-aliasing -Wwrite-strings -fno-common -pipe -fbuiltin -fmessage-length=0 -I. -I/home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin -I/home/rpeckhoff/cygwin-1.5.25-11/winsup/w32api/include -I/home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/config/i386 -I/home/rpeckhoff/sysroot/usr/lib/gcc/i686-pc-cygwin/4.3.0/include -fno-rtti -fno-exceptions -o ./dcrt0.o /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/dcrt0.cc /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/environ.h:46: error: previous declaration of 'char** __cygwin_environ' with 'C++' linkage /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/dcrt0.cc:94: error: conflicts with new declaration with 'C' linkage /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/environ.h:46: error: previous declaration of 'char*** main_environ' with 'C++' linkage /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/dcrt0.cc:95: error: conflicts with new declaration with 'C' linkage /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/winsup.h:156: error: previous declaration of 'int __api_fatal_exit_val' with 'C++' linkage /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/dcrt0.cc:125: error: conflicts with new declaration with 'C' linkage >> ~/cygwin-1.5.25-11/winsup/cygwin/syscall.cc:3238 >> Uses goto's which breaks the build with gcc4.3. I rewrote the function >> to use if statements. >> > > What kind of problem does gcc4.3 have with gotos? There's nothing wrong > with them in general and lots of other functions in that file have them, so > maybe there's some underlying problem which is the actual thing that needs > fixing? > > cheers, > DaveK > The actual error is this: i686-pc-cygwin-c++ -L/home/rpeckhoff/cygwin/i686-pc-cygwin/winsup -L/home/rpeckhoff/cygwin/i686-pc-cygwin/winsup/cygwin -L/home/rpeckhoff/cygwin/i686-pc-cygwin/winsup/w32api/lib -isystem /home/rpeckhoff/cygwin-1.5.25-11/winsup/include -isystem /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/include -isystem /home/rpeckhoff/cygwin-1.5.25-11/winsup/w32api/include -B/home/rpeckhoff/cygwin/i686-pc-cygwin/newlib/ -isystem /home/rpeckhoff/cygwin/i686-pc-cygwin/newlib/targ-include -isystem /home/rpeckhoff/cygwin-1.5.25-11/newlib/libc/include -c -nostdinc++ -DHAVE_CONFIG_H -O2 -g -O2 -MMD -fomit-frame-pointer -fmerge-constants -ftracer -Wall -Wstrict-aliasing -Wwrite-strings -fno-common -pipe -fbuiltin -fmessage-length=0 -I. -I/home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin -I/home/rpeckhoff/cygwin-1.5.25-11/winsup/w32api/include -I/home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/config/i386 -I/home/rpeckhoff/sysroot/usr/lib/gcc/i686-pc-cygwin/4.3.0/include -fno-rtti -fno-exceptions -o ./syscalls.o /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/syscalls.cc /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/syscalls.cc: In function 'FILE* popen(const char*, const char*)': /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/syscalls.cc:3238: error: jump to label 'err' /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/syscalls.cc:3230: error: from here /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/syscalls.cc:3233: error: crosses initialization of 'fhandler_pipe* fh' /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/syscalls.cc:3238: error: jump to label 'err' /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/syscalls.cc:3210: error: from here /home/rpeckhoff/cygwin-1.5.25-11/winsup/cygwin/syscalls.cc:3233: error: crosses initialization of 'fhandler_pipe* fh' make[3]: *** [syscalls.o] Error 1 Thanks you for your help. ~Robert -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/