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Re: stdfn.h: error: conflicting types for 'memcopy' and 'sys_errlist' on Cygwin build
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From: Ethan M. <merritt@u.washington.edu> - 2016-04-10 02:58:38
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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
>
> 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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