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Re: stdfn.h: error: conflicting types for 'memcopy' and 'sys_errlist' on Cygwin build
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From: Tatsuro M. <tma...@ya...> - 2016-04-10 03:03:01
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> From: Ethan Merritt
> To: gnuplot-beta Tatsuro MATSUOKA
> Cc:
> Date: 2016/4/10, Sun 11:42
> Subject: Re: stdfn.h: error: conflicting types for 'memcopy' and 'sys_errlist' on Cygwin build
>
> On Sunday, 10 April 2016 10:11:55 AM Tatsuro MATSUOKA wrote:
>> Hello
>>
>> This is probably an issue that is specific to the Cygwin.
>>
>> At compiling src/boundary.c I have met errors.
>>
>> ../../gnuplot/src/stdfn.h:67:8: error: conflicting types for
> 'memcpy'
>> ../../gnuplot/src/stdfn.h:171:14: error: conflicting types for
> 'sys_errlist'
>>
>
> How is it possible that cygwin does not provide memcpy()?
>
> Anyhow, the correct typing for memcpy is:
>
> void *memcpy(void *, const void *, size_t);
>
>
> Ethan
Thanks for suggestion.
I will ask at Cygwin list.
During the moment, discussion here is pending.
Tatsuro
>>
>> Full output.
>>
>> gcc -DHAVE_CONFIG_H -I. -I../../gnuplot/src -I.. -I../term
> -I../../gnuplot/term -DBINDIR=\"/opt/gp510/bin\"
> -DX11_DRIVER_DIR=\"/opt/gp510/libexec/gnuplot/5.1\"
> -DQT_DRIVER_DIR=\"/opt/gp510/libexec/gnuplot/5.1\"
> -DGNUPLOT_SHARE_DIR=\"/opt/gp510/share/gnuplot/5.1\"
> -DGNUPLOT_PS_DIR=\"/opt/gp510/share/gnuplot/5.1/PostScript\"
> -DGNUPLOT_JS_DIR=\"/opt/gp510/share/gnuplot/5.1/js\"
> -DGNUPLOT_LUA_DIR=\"/opt/gp510/share/gnuplot/5.1/lua\"
> -DCONTACT=\"gnu...@li...\"
> -DHELPFILE=\"/opt/gp510/share/gnuplot/5.1/gnuplot.gih\"
> -DGNUPLOT_X11=\"`echo gnuplot_x11 | sed
> 's,x,x,'`.exe\"
> -DXAPPLRESDIR=\"/etc/X11/app-defaults/\"
> -I/usr/local/include -I/usr/include/pango-1.0 -I/usr/include/harfbuzz
> -I/usr/include/pango-1.0 -I/usr/include/cairo -I/usr/include/glib-2.0
> -I/usr/lib/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/freetype2
> -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libpng16
> -I/usr/include/cairo
>> -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0
> -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/freetype2
> -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libpng16
> -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -g -O2 -MT boundary.o -MD
> -MP -MF $depbase.Tpo -c -o boundary.o ../../gnuplot/src/boundary.c
> &&\
>> mv -f $depbase.Tpo $depbase.Po
>> In file included from ../../gnuplot/src/alloc.h:44:0,
>> from ../../gnuplot/src/alloc.c:44:
>> ../../gnuplot/src/stdfn.h:67:8: error: conflicting types for
> 'memcpy'
>> char * memcpy __PROTO((char *, char *, size_t));
>> ^
>> In file included from ../../gnuplot/src/term_api.h:43:0,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/graphics.h:43,
>> from ../../gnuplot/src/boundary.c:37:
>> ../../gnuplot/src/stdfn.h:67:8: error: conflicting types for
> 'memcpy'
>> char * memcpy __PROTO((char *, char *, size_t));
>> ^
>> In file included from /usr/include/ctype.h:4:0,
>> from ../../gnuplot/src/stdfn.h:49,
>> from ../../gnuplot/src/alloc.h:44,
>> from ../../gnuplot/src/alloc.c:44:
>> /usr/include/string.h:23:8: note: previous declaration of 'memcpy'
> was here
>> _PTR _EXFUN(memcpy,(_PTR __restrict, const _PTR __restrict, size_t));
>> ^
>> In file included from /usr/include/ctype.h:4:0,
>> from ../../gnuplot/src/stdfn.h:49,
>> from ../../gnuplot/src/term_api.h:43,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/graphics.h:43,
>> from ../../gnuplot/src/boundary.c:37:
>> /usr/include/string.h:23:8: note: previous declaration of 'memcpy'
> was here
>> _PTR _EXFUN(memcpy,(_PTR __restrict, const _PTR __restrict, size_t));
>> ^
>> In file included from ../../gnuplot/src/term_api.h:43:0,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/axis.h:42,
>> from ../../gnuplot/src/datafile.h:42,
>> from ../../gnuplot/src/breaders.c:48:
>> ../../gnuplot/src/stdfn.h:67:8: error: conflicting types for
> 'memcpy'
>> char * memcpy __PROTO((char *, char *, size_t));
>> ^
>> In file included from /usr/include/ctype.h:4:0,
>> from ../../gnuplot/src/stdfn.h:49,
>> from ../../gnuplot/src/term_api.h:43,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/axis.h:42,
>> from ../../gnuplot/src/datafile.h:42,
>> from ../../gnuplot/src/breaders.c:48:
>> /usr/include/string.h:23:8: note: previous declaration of 'memcpy'
> was here
>> _PTR _EXFUN(memcpy,(_PTR __restrict, const _PTR __restrict, size_t));
>> ^
>> In file included from ../../gnuplot/src/term_api.h:43:0,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/axis.h:42,
>> from ../../gnuplot/src/axis.c:37:
>> ../../gnuplot/src/stdfn.h:67:8: error: conflicting types for
> 'memcpy'
>> char * memcpy __PROTO((char *, char *, size_t));
>> ^
>> In file included from /usr/include/ctype.h:4:0,
>> from ../../gnuplot/src/stdfn.h:49,
>> from ../../gnuplot/src/term_api.h:43,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/axis.h:42,
>> from ../../gnuplot/src/axis.c:37:
>> /usr/include/string.h:23:8: note: previous declaration of 'memcpy'
> was here
>> _PTR _EXFUN(memcpy,(_PTR __restrict, const _PTR __restrict, size_t));
>> ^
>> In file included from ../../gnuplot/src/term_api.h:43:0,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/graphics.h:43,
>> from ../../gnuplot/src/boundary.c:37:
>> ../../gnuplot/src/stdfn.h:170:12: warning: 'sys_nerr' redeclared
> without dllimport attribute: previous dllimport ignored [-Wattributes]
>> extern int sys_nerr;
>> ^
>> ../../gnuplot/src/stdfn.h:171:14: error: conflicting types for
> 'sys_errlist'
>> extern char *sys_errlist[];
>> ^
>> In file included from /usr/include/errno.h:9:0,
>> from ../../gnuplot/src/stdfn.h:163,
>> from ../../gnuplot/src/term_api.h:43,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/graphics.h:43,
>> from ../../gnuplot/src/boundary.c:37:
>> /usr/include/sys/errno.h:23:36: note: previous declaration of
> 'sys_errlist' was here
>> extern __IMPORT const char * const sys_errlist[];
>> ^
>> In file included from ../../gnuplot/src/alloc.h:44:0,
>> from ../../gnuplot/src/alloc.c:44:
>> ../../gnuplot/src/stdfn.h:170:12: warning: 'sys_nerr' redeclared
> without dllimport attribute: previous dllimport ignored [-Wattributes]
>> extern int sys_nerr;
>> ^
>> ../../gnuplot/src/stdfn.h:171:14: error: conflicting types for
> 'sys_errlist'
>> extern char *sys_errlist[];
>> ^
>> In file included from /usr/include/errno.h:9:0,
>> from ../../gnuplot/src/stdfn.h:163,
>> from ../../gnuplot/src/alloc.h:44,
>> from ../../gnuplot/src/alloc.c:44:
>> /usr/include/sys/errno.h:23:36: note: previous declaration of
> 'sys_errlist' was here
>> extern __IMPORT const char * const sys_errlist[];
>> ^
>> In file included from ../../gnuplot/src/term_api.h:43:0,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/axis.h:42,
>> from ../../gnuplot/src/datafile.h:42,
>> from ../../gnuplot/src/breaders.c:48:
>> ../../gnuplot/src/stdfn.h:170:12: warning: 'sys_nerr' redeclared
> without dllimport attribute: previous dllimport ignored [-Wattributes]
>> extern int sys_nerr;
>> ^
>> ../../gnuplot/src/stdfn.h:171:14: error: conflicting types for
> 'sys_errlist'
>> extern char *sys_errlist[];
>> ^
>> In file included from /usr/include/errno.h:9:0,
>> from ../../gnuplot/src/stdfn.h:163,
>> from ../../gnuplot/src/term_api.h:43,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/axis.h:42,
>> from ../../gnuplot/src/datafile.h:42,
>> from ../../gnuplot/src/breaders.c:48:
>> /usr/include/sys/errno.h:23:36: note: previous declaration of
> 'sys_errlist' was here
>> extern __IMPORT const char * const sys_errlist[];
>> ^
>> In file included from ../../gnuplot/src/term_api.h:43:0,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/axis.h:42,
>> from ../../gnuplot/src/axis.c:37:
>> ../../gnuplot/src/stdfn.h:170:12: warning: 'sys_nerr' redeclared
> without dllimport attribute: previous dllimport ignored [-Wattributes]
>> extern int sys_nerr;
>> ^
>> ../../gnuplot/src/stdfn.h:171:14: error: conflicting types for
> 'sys_errlist'
>> extern char *sys_errlist[];
>> ^
>> In file included from /usr/include/errno.h:9:0,
>> from ../../gnuplot/src/stdfn.h:163,
>> from ../../gnuplot/src/term_api.h:43,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/axis.h:42,
>> from ../../gnuplot/src/axis.c:37:
>> /usr/include/sys/errno.h:23:36: note: previous declaration of
> 'sys_errlist' was here
>> extern __IMPORT const char * const sys_errlist[];
>> ^
>> Makefile:900: recipe for target 'alloc.o' failed
>> make[4]: *** [alloc.o] Error 1
>> make[4]: *** Waiting for unfinished jobs....
>> ../../gnuplot/src/axis.c: In function 'init_parallel_axis':
>> ../../gnuplot/src/axis.c:282:12: warning: passing argument 1 of
> 'memcpy' from incompatible pointer type [-Wincompatible-pointer-types]
>> memcpy(this_axis, &default_axis_state, sizeof(AXIS));
>> ^
>> In file included from ../../gnuplot/src/term_api.h:43:0,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/axis.h:42,
>> from ../../gnuplot/src/axis.c:37:
>> ../../gnuplot/src/stdfn.h:67:8: note: expected 'char *' but
> argument is of type 'AXIS * {aka struct axis *}'
>> char * memcpy __PROTO((char *, char *, size_t));
>> ^
>> ../../gnuplot/src/axis.c:282:23: warning: passing argument 2 of
> 'memcpy' from incompatible pointer type [-Wincompatible-pointer-types]
>> memcpy(this_axis, &default_axis_state, sizeof(AXIS));
>> ^
>> In file included from ../../gnuplot/src/term_api.h:43:0,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/axis.h:42,
>> from ../../gnuplot/src/axis.c:37:
>> ../../gnuplot/src/stdfn.h:67:8: note: expected 'char *' but
> argument is of type 'const AXIS * {aka const struct axis *}'
>> char * memcpy __PROTO((char *, char *, size_t));
>> ^
>> Makefile:900: recipe for target 'breaders.o' failed
>> make[4]: *** [breaders.o] Error 1
>> Makefile:900: recipe for target 'boundary.o' failed
>> make[4]: *** [boundary.o] Error 1
>> ../../gnuplot/src/axis.c: In function 'clone_linked_axes':
>> ../../gnuplot/src/axis.c:2211:12: warning: passing argument 1 of
> 'memcpy' from incompatible pointer type [-Wincompatible-pointer-types]
>> memcpy(axis2, axis1, AXIS_CLONE_SIZE);
>> ^
>> In file included from ../../gnuplot/src/term_api.h:43:0,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/axis.h:42,
>> from ../../gnuplot/src/axis.c:37:
>> ../../gnuplot/src/stdfn.h:67:8: note: expected 'char *' but
> argument is of type 'AXIS * {aka struct axis *}'
>> char * memcpy __PROTO((char *, char *, size_t));
>> ^
>> ../../gnuplot/src/axis.c:2211:19: warning: passing argument 2 of
> 'memcpy' from incompatible pointer type [-Wincompatible-pointer-types]
>> memcpy(axis2, axis1, AXIS_CLONE_SIZE);
>> ^
>> In file included from ../../gnuplot/src/term_api.h:43:0,
>> from ../../gnuplot/src/gadgets.h:42,
>> from ../../gnuplot/src/axis.h:42,
>> from ../../gnuplot/src/axis.c:37:
>> ../../gnuplot/src/stdfn.h:67:8: note: expected 'char *' but
> argument is of type 'AXIS * {aka struct axis *}'
>> char * memcpy __PROTO((char *, char *, size_t));
>> ^
>> Makefile:900: recipe for target 'axis.o' failed
>> make[4]: *** [axis.o] Error 1
>>
>>
>> Any suggestions?
>>
>> Tatsuro
>>
>>
>>
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