Trying to build 0.17.6 on EL7 I get:
gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -fPIC -I/usr/include/python2.7 -c xpra/server/window/region.c -o build/temp.linux-x86_64-2.7/xpra/server/window/region.o -Wall -Werror -fPIC xpra/server/window/region.c: In function '__pyx_pw_4xpra_6server_6window_6region_9rectangle_13intersects_rect': xpra/server/window/region.c:2198:7: error: variable '__pyx_clineno' set but not used [-Werror=unused-but-set-variable] int __pyx_clineno = 0; ^ xpra/server/window/region.c:2197:15: error: variable '__pyx_filename' set but not used [-Werror=unused-but-set-variable] const char *__pyx_filename = NULL; ^ xpra/server/window/region.c:2196:7: error: variable '__pyx_lineno' set but not used [-Werror=unused-but-set-variable] int __pyx_lineno = 0; ^ xpra/server/window/region.c: In function '__pyx_pw_4xpra_6server_6window_6region_9rectangle_17intersection_rect': xpra/server/window/region.c:2522:7: error: variable '__pyx_clineno' set but not used [-Werror=unused-but-set-variable] int __pyx_clineno = 0; ^ xpra/server/window/region.c:2521:15: error: variable '__pyx_filename' set but not used [-Werror=unused-but-set-variable] const char *__pyx_filename = NULL; ^ xpra/server/window/region.c:2520:7: error: variable '__pyx_lineno' set but not used [-Werror=unused-but-set-variable] int __pyx_lineno = 0; ^ xpra/server/window/region.c: In function '__pyx_pw_4xpra_6server_6window_6region_9rectangle_21contains_rect': xpra/server/window/region.c:2764:7: error: variable '__pyx_clineno' set but not used [-Werror=unused-but-set-variable] int __pyx_clineno = 0; ^ xpra/server/window/region.c:2763:15: error: variable '__pyx_filename' set but not used [-Werror=unused-but-set-variable] const char *__pyx_filename = NULL; ^ xpra/server/window/region.c:2762:7: error: variable '__pyx_lineno' set but not used [-Werror=unused-but-set-variable] int __pyx_lineno = 0; ^ xpra/server/window/region.c: In function '__pyx_pw_4xpra_6server_6window_6region_9rectangle_25substract_rect': xpra/server/window/region.c:3422:7: error: variable '__pyx_clineno' set but not used [-Werror=unused-but-set-variable] int __pyx_clineno = 0; ^ xpra/server/window/region.c:3421:15: error: variable '__pyx_filename' set but not used [-Werror=unused-but-set-variable] const char *__pyx_filename = NULL; ^ xpra/server/window/region.c:3420:7: error: variable '__pyx_lineno' set but not used [-Werror=unused-but-set-variable] int __pyx_lineno = 0; ^ cc1: all warnings being treated as errors
This is with Cython 0.19
Building with outdated versions of Cython is not supported, which is why:
this ticket has been moved to: https://github.com/Xpra-org/xpra/issues/1353