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Date: Sun, 11 Dec 2011 15:58:20 +0100
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Subject: Re: Failure to bootstrap current gcc trunk on cygwin (20111207 snapshot): conflicting declarations in cygwin's /usr/include/sys/wait.h
From: Christian Joensson <christian DOT joensson AT gmail DOT com>
To: cygwin AT cygwin DOT com, GCC Development <gcc AT gcc DOT gnu DOT org>
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On 7 December 2011 20:14, Christian Joensson wrote:
> I am trying to build gcc trunk on cygwin (with the snapshot of
> 20111207) and get this:
>
> /usr/local/src/trunk/objdir.withada/./prev-gcc/g++
> -B/usr/local/src/trunk/objdir.withada/./prev-gcc/
> -B/usr/i686-pc-cygwin/bin/ -nostdinc++
> -B/usr/local/src/trunk/objdir.withada/prev-i686-pc-cygwin/libstdc++-v3/src/.libs
>  -B/usr/local/src/trunk/objdir.withada/prev-i686-pc-cygwin/libstdc++-v3/libsupc++/.libs
>  -I/usr/local/src/trunk/objdir.withada/prev-i686-pc-cygwin/libstdc++-v3/include/i686-pc-cygwin
>  -I/usr/local/src/trunk/objdir.withada/prev-i686-pc-cygwin/libstdc++-v3/include
>  -I/usr/local/src/trunk/gcc/libstdc++-v3/libsupc++
> -L/usr/local/src/trunk/objdir.withada/prev-i686-pc-cygwin/libstdc++-v3/src/.libs
>  -L/usr/local/src/trunk/objdir.withada/prev-i686-pc-cygwin/libstdc++-v3/libsupc++/.libs
> -c   -g -O2 -gtoggle -DIN_GCC    -fno-exceptions -fno-rtti -W -Wall
> -Wno-narrowing -Wwrite-strings -Wcast-qual  -Wmissing-format-attribute
> -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror
> -fno-common -Wno-error -DHAVE_CONFIG_H -I. -Iada
> -I/usr/local/src/trunk/gcc/gcc -I/usr/local/src/trunk/gcc/gcc/ada
> -I/usr/local/src/trunk/gcc/gcc/../include
> -I/usr/local/src/trunk/gcc/gcc/../libcpp/include -I/usr/include
> -I/usr/include  -I/usr/local/src/trunk/gcc/gcc/../libdecnumber
> -I/usr/local/src/trunk/gcc/gcc/../libdecnumber/bid -I../libdecnumber
>  /usr/local/src/trunk/gcc/gcc/ada/adaint.c -o ada/adaint.o
> In file included from /usr/local/src/trunk/gcc/gcc/system.h:346:0,
>                 from /usr/local/src/trunk/gcc/gcc/ada/adaint.c:107:
> /usr/include/sys/wait.h: In function 'int __wait_status_to_int(const wait&)':
> /usr/include/sys/wait.h:77:61: error: declaration of C function 'int
> __wait_status_to_int(const wait&)' conflicts with
> /usr/include/sys/wait.h:75:12: error: previous declaration 'int
> __wait_status_to_int(int)' here
> /usr/include/sys/wait.h: In function 'pid_t wait(wait*)':
> /usr/include/sys/wait.h:81:40: error: declaration of C function 'pid_t
> wait(wait*)' conflicts with
> /usr/include/sys/wait.h:37:7: error: previous declaration 'pid_t
> wait(__wait_status_ptr_t)' here
> /usr/include/sys/wait.h: In function 'pid_t waitpid(pid_t, wait*, int)':
> /usr/include/sys/wait.h:83:71: error: declaration of C function 'pid_t
> waitpid(pid_t, wait*, int)' conflicts with
> /usr/include/sys/wait.h:38:7: error: previous declaration 'pid_t
> waitpid(pid_t, __wait_status_ptr_t, int)' here
> /usr/include/sys/wait.h: In function 'pid_t wait3(wait*, int, rusage*)':
> /usr/include/sys/wait.h:85:81: error: declaration of C function 'pid_t
> wait3(wait*, int, rusage*)' conflicts with
> /usr/include/sys/wait.h:39:7: error: previous declaration 'pid_t
> wait3(__wait_status_ptr_t, int, rusage*)' here
> /usr/include/sys/wait.h: In function 'pid_t wait4(pid_t, wait*, int, rusage*)':
> /usr/include/sys/wait.h:87:94: error: declaration of C function 'pid_t
> wait4(pid_t, wait*, int, rusage*)' conflicts with
> /usr/include/sys/wait.h:40:7: error: previous declaration 'pid_t
> wait4(pid_t, __wait_status_ptr_t, int, rusage*)' here

this seems to me to be fixed, as of cygwin snapshot 20111209 I no
longer get this specific error.

-- 
Cheers,

/ChJ

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