autoreconf: Entering directory `.' autoreconf: configure.ac: not using Gettext autoreconf: running: aclocal -I build ${ACLOCAL_FLAGS} build/configure.ac.system:114: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body ../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from... ../../lib/autoconf/general.m4:2601: _AC_COMPILE_IFELSE is expanded from... ../../lib/autoconf/general.m4:2617: AC_COMPILE_IFELSE is expanded from... build/configure.ac.system:114: the top level build/configure.ac.system:114: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body ../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from... ../../lib/autoconf/general.m4:2601: _AC_COMPILE_IFELSE is expanded from... ../../lib/autoconf/general.m4:2617: AC_COMPILE_IFELSE is expanded from... build/configure.ac.system:114: the top level autoreconf: configure.ac: tracing build/configure.ac.system:114: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body ../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from... ../../lib/autoconf/general.m4:2601: _AC_COMPILE_IFELSE is expanded from... ../../lib/autoconf/general.m4:2617: AC_COMPILE_IFELSE is expanded from... build/configure.ac.system:114: the top level autoreconf: running: libtoolize --copy build/configure.ac.system:114: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body ../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from... ../../lib/autoconf/general.m4:2601: _AC_COMPILE_IFELSE is expanded from... ../../lib/autoconf/general.m4:2617: AC_COMPILE_IFELSE is expanded from... build/configure.ac.system:114: the top level build/configure.ac.system:114: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body ../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from... ../../lib/autoconf/general.m4:2601: _AC_COMPILE_IFELSE is expanded from... ../../lib/autoconf/general.m4:2617: AC_COMPILE_IFELSE is expanded from... build/configure.ac.system:114: the top level autoreconf: running: /usr/bin/autoconf build/configure.ac.system:114: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body ../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from... ../../lib/autoconf/general.m4:2601: _AC_COMPILE_IFELSE is expanded from... ../../lib/autoconf/general.m4:2617: AC_COMPILE_IFELSE is expanded from... build/configure.ac.system:114: the top level autoreconf: running: /usr/bin/autoheader build/configure.ac.system:114: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body ../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from... ../../lib/autoconf/general.m4:2601: _AC_COMPILE_IFELSE is expanded from... ../../lib/autoconf/general.m4:2617: AC_COMPILE_IFELSE is expanded from... build/configure.ac.system:114: the top level autoreconf: running: automake --add-missing --copy --no-force build/configure.ac.system:114: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body ../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from... ../../lib/autoconf/general.m4:2601: _AC_COMPILE_IFELSE is expanded from... ../../lib/autoconf/general.m4:2617: AC_COMPILE_IFELSE is expanded from... build/configure.ac.system:114: the top level build/Makefile.am.changelog:57: warning: '%'-style pattern rules are a GNU make extension Makefile.am:81: 'build/Makefile.am.changelog' included from here perf/Makefile.sources:7: warning: source file '../src/cairo-time.c' is in a subdirectory, perf/Makefile.sources:7: but option 'subdir-objects' is disabled perf/Makefile.am:3: 'perf/Makefile.sources' included from here automake: warning: possible forward-incompatibility. automake: At least a source file is in a subdirectory, but the 'subdir-objects' automake: automake option hasn't been enabled. For now, the corresponding output automake: object file(s) will be placed in the top-level directory. However, automake: this behaviour will change in future Automake versions: they will automake: unconditionally cause object files to be placed in the same subdirectory automake: of the corresponding sources. automake: You are advised to start using 'subdir-objects' option throughout your automake: project, to avoid future incompatibilities. perf/Makefile.sources:15: warning: source file '../src/cairo-error.c' is in a subdirectory, perf/Makefile.sources:15: but option 'subdir-objects' is disabled perf/Makefile.am:3: 'perf/Makefile.sources' included from here perf/Makefile.sources:18: warning: source file '../src/cairo-error.c' is in a subdirectory, perf/Makefile.sources:18: but option 'subdir-objects' is disabled perf/Makefile.am:3: 'perf/Makefile.sources' included from here perf/Makefile.sources:18: warning: source file '../src/cairo-hash.c' is in a subdirectory, perf/Makefile.sources:18: but option 'subdir-objects' is disabled perf/Makefile.am:3: 'perf/Makefile.sources' included from here test/Makefile.am:353: warning: user target 'recheck' defined here ... /usr/share/automake-1.15/am/check.am: ... overrides Automake target 'recheck' defined here autoreconf: Leaving directory `.' configure: WARNING: PS backend will not be tested since ghostscript is not available configure: WARNING: PDF backend will not be tested since poppler >= 0.17.4 is not available configure: WARNING: SVG backend will not be tested since librsvg >= 2.35.0 is not available Makefile:1498: warning: overriding recipe for target 'recheck' Makefile:1136: warning: ignoring old recipe for target 'recheck' Makefile:1498: warning: overriding recipe for target 'recheck' Makefile:1136: warning: ignoring old recipe for target 'recheck' build/configure.ac.system:114: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body ../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from... ../../lib/autoconf/general.m4:2601: _AC_COMPILE_IFELSE is expanded from... ../../lib/autoconf/general.m4:2617: AC_COMPILE_IFELSE is expanded from... build/configure.ac.system:114: the top level src/Makefile.sources:365: warning: source file 'win32/cairo-win32-debug.c' is in a subdirectory, src/Makefile.sources:365: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here automake-1.15: warning: possible forward-incompatibility. automake-1.15: At least a source file is in a subdirectory, but the 'subdir-objects' automake-1.15: automake option hasn't been enabled. For now, the corresponding output automake-1.15: object file(s) will be placed in the top-level directory. However, automake-1.15: this behaviour will change in future Automake versions: they will automake-1.15: unconditionally cause object files to be placed in the same subdirectory automake-1.15: of the corresponding sources. automake-1.15: You are advised to start using 'subdir-objects' option throughout your automake-1.15: project, to avoid future incompatibilities. src/Makefile.sources:365: warning: source file 'win32/cairo-win32-device.c' is in a subdirectory, src/Makefile.sources:365: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:365: warning: source file 'win32/cairo-win32-gdi-compositor.c' is in a subdirectory, src/Makefile.sources:365: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:365: warning: source file 'win32/cairo-win32-system.c' is in a subdirectory, src/Makefile.sources:365: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:365: warning: source file 'win32/cairo-win32-surface.c' is in a subdirectory, src/Makefile.sources:365: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:365: warning: source file 'win32/cairo-win32-display-surface.c' is in a subdirectory, src/Makefile.sources:365: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:365: warning: source file 'win32/cairo-win32-printing-surface.c' is in a subdirectory, src/Makefile.sources:365: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:374: warning: source file 'win32/cairo-win32-font.c' is in a subdirectory, src/Makefile.sources:374: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-bo.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-surface.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-intel.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-intel-debug.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-intel-surface.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-i915-surface.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-i915-glyphs.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-i915-shader.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-i915-spans.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-i965-surface.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-i965-glyphs.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-i965-shader.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-i965-spans.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-intel-brw-eu.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-intel-brw-eu-emit.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-intel-brw-eu-util.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-radeon.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:433: warning: source file 'drm/cairo-drm-radeon-surface.c' is in a subdirectory, src/Makefile.sources:433: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here src/Makefile.sources:452: warning: source file 'drm/cairo-drm-gallium-surface.c' is in a subdirectory, src/Makefile.sources:452: but option 'subdir-objects' is disabled src/Makefile.am:4: 'src/Makefile.am.features' included from here src/Makefile.am.features:3: 'src/Makefile.sources' included from here cairo-base64-stream.c: In function ‘_cairo_base64_stream_write’: cairo-base64-stream.c:87:10: warning: this statement may fall through [-Wimplicit-fallthrough=] dst[2] = '='; ~~~~~~~^~~~~ cairo-base64-stream.c:88:6: note: here case 1: ^~~~ cairo-base64-stream.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-output-stream.c:36:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for snprintf() */ :0:0: note: this is the location of the previous definition cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-path-fixed.c: In function ‘_cairo_path_fixed_iter_is_fill_box’: cairo-path-fixed.c:1519:2: warning: this statement may fall through [-Wimplicit-fallthrough=] _cairo_path_fixed_iter_next_op (&iter); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cairo-path-fixed.c:1520:5: note: here case CAIRO_PATH_OP_MOVE_TO: /* implicit close */ ^~~~ cairo-path-fixed.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-path-stroke-boxes.c:39:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for hypot() */ :0:0: note: this is the location of the previous definition cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-path-stroke-polygon.c:40:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for hypot() */ :0:0: note: this is the location of the previous definition cairo-path-stroke-polygon.c: In function ‘outer_close’: cairo-path-stroke-polygon.c:403:5: warning: this statement may fall through [-Wimplicit-fallthrough=] if ((in->dev_slope.x * out->dev_slope.x + ^ cairo-path-stroke-polygon.c:412:5: note: here case CAIRO_LINE_JOIN_MITER: ^~~~ cairo-path-stroke-traps.c: In function ‘join’: cairo-path-stroke-traps.c:310:14: warning: this statement may fall through [-Wimplicit-fallthrough=] default: { ^ cairo-path-stroke-traps.c:464:5: note: here case CAIRO_LINE_JOIN_BEVEL: { ^~~~ cairo-path-stroke-polygon.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-path-stroke-traps.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-path-stroke-tristrip.c:40:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for hypot() */ :0:0: note: this is the location of the previous definition cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-path-stroke.c:39:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for hypot() */ :0:0: note: this is the location of the previous definition cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-toy-font-face.c:42:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for strdup() */ :0:0: note: this is the location of the previous definition cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-cff-subset.c:44:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for snprintf(), strdup() */ :0:0: note: this is the location of the previous definition cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-scaled-font-subsets.c:43:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for snprintf(), strdup() */ :0:0: note: this is the location of the previous definition cairo-truetype-subset.c:43:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for snprintf(), strdup() */ :0:0: note: this is the location of the previous definition cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-type1-fallback.c:36:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for snprintf(), strdup() */ :0:0: note: this is the location of the previous definition cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-type1-subset.c:43:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for snprintf(), strdup() */ :0:0: note: this is the location of the previous definition cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-xlib-screen.c: In function ‘_cairo_xlib_init_screen_font_options’: cairo-xlib-screen.c:164:31: warning: unused variable ‘display’ [-Wunused-variable] cairo_xlib_display_t *display = (cairo_xlib_display_t *) info->device; ^~~~~~~ cairo-xlib-screen.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-ft-font.c:41:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for strdup() */ :0:0: note: this is the location of the previous definition cairo-ft-font.c: In function ‘_get_bitmap_surface’: cairo-ft-font.c:1323:5: warning: this statement may fall through [-Wimplicit-fallthrough=] if (!own_buffer && library) ^ cairo-ft-font.c:1366:5: note: here default: ^~~~~~~ cairo-ps-surface.c:56:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for ctime_r(), snprintf(), strdup() */ :0:0: note: this is the location of the previous definition cairo-ft-font.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-pdf-interchange.c:46:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for localtime_r(), gmtime_r(), snprintf(), strdup() */ :0:0: note: this is the location of the previous definition cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-pdf-surface.c:42:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for snprintf() */ :0:0: note: this is the location of the previous definition cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-pdf-surface.c: In function ‘_hash_data’: cairo-pdf-surface.c:5281:15: warning: this statement may fall through [-Wimplicit-fallthrough=] case 11: c+= ((uint32_t) data[10] << 24); ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cairo-pdf-surface.c:5282:5: note: here case 10: c+= ((uint32_t) data[9] << 16); ^~~~ cairo-pdf-surface.c:5282:15: warning: this statement may fall through [-Wimplicit-fallthrough=] case 10: c+= ((uint32_t) data[9] << 16); ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cairo-pdf-surface.c:5283:5: note: here case 9 : c+= ((uint32_t) data[8] << 8); ^~~~ cairo-pdf-surface.c:5283:15: warning: this statement may fall through [-Wimplicit-fallthrough=] case 9 : c+= ((uint32_t) data[8] << 8); ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ cairo-pdf-surface.c:5284:5: note: here case 8 : b+= ((uint32_t) data[7] << 24); ^~~~ cairo-pdf-surface.c:5284:15: warning: this statement may fall through [-Wimplicit-fallthrough=] case 8 : b+= ((uint32_t) data[7] << 24); ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cairo-pdf-surface.c:5285:5: note: here case 7 : b+= ((uint32_t) data[6] << 16); ^~~~ cairo-pdf-surface.c:5285:15: warning: this statement may fall through [-Wimplicit-fallthrough=] case 7 : b+= ((uint32_t) data[6] << 16); ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cairo-pdf-surface.c:5286:5: note: here case 6 : b+= ((uint32_t) data[5] << 8); ^~~~ cairo-pdf-surface.c:5286:15: warning: this statement may fall through [-Wimplicit-fallthrough=] case 6 : b+= ((uint32_t) data[5] << 8); ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ cairo-pdf-surface.c:5287:5: note: here case 5 : b+= data[4]; ^~~~ cairo-pdf-surface.c:5287:15: warning: this statement may fall through [-Wimplicit-fallthrough=] case 5 : b+= data[4]; ~^~~~~~~~~~ cairo-pdf-surface.c:5288:5: note: here case 4 : a+= ((uint32_t) data[3] << 24); ^~~~ cairo-pdf-surface.c:5288:15: warning: this statement may fall through [-Wimplicit-fallthrough=] case 4 : a+= ((uint32_t) data[3] << 24); ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cairo-pdf-surface.c:5289:5: note: here case 3 : a+= ((uint32_t) data[2] << 16); ^~~~ cairo-pdf-surface.c:5289:15: warning: this statement may fall through [-Wimplicit-fallthrough=] case 3 : a+= ((uint32_t) data[2] << 16); ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cairo-pdf-surface.c:5290:5: note: here case 2 : a+= ((uint32_t) data[1] << 8); ^~~~ cairo-pdf-surface.c:5290:15: warning: this statement may fall through [-Wimplicit-fallthrough=] case 2 : a+= ((uint32_t) data[1] << 8); ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ cairo-pdf-surface.c:5291:5: note: here case 1 : a+= data[0]; ^~~~ cairo-pdf-surface.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ cairo-svg-surface.c:42:0: warning: "_DEFAULT_SOURCE" redefined #define _DEFAULT_SOURCE /* for snprintf() */ :0:0: note: this is the location of the previous definition cairo-svg-surface.c: In function ‘base64_write_func’: cairo-svg-surface.c:1278:10: warning: this statement may fall through [-Wimplicit-fallthrough=] dst[2] = '='; ~~~~~~~^~~~~ cairo-svg-surface.c:1279:6: note: here case 1: ^~~~ cairo-svg-surface.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-enum-conversion’ Terminated make[3]: *** [cairo-svg-surface.lo] Error 1 make[2]: *** [install] Error 2 make[1]: *** [install-recursive] Error 1 make: *** [install] Error 2 WARN: fontconfig/2.13.91: requirement freetype/2.10.2 overridden by cairo/1.17.2 to freetype/2.10.4 cairo/1.17.2: ERROR: Package 'e2f3d54d7f6482e13cac3381b4cfdce4bb9d426d' build failed cairo/1.17.2: WARN: Build folder /home/conan/w/cci_PR-2847/.conan/data/cairo/1.17.2/_/_/build/e2f3d54d7f6482e13cac3381b4cfdce4bb9d426d ERROR: Exiting with code: 5