On Sun Feb 22, 2026 at 5:18 PM CET, Aurelien Jarno wrote: > Source: wlroots > Version: 0.19.2-1 > Severity: important > Tags: ftbfs upstream > Justification: fails to build from source > User: [email protected] > Usertags: glibc-2.43 > > Dear maintainer(s), > > wlroots fails to build from source with glibc 2.43, currently in > experimental. From the build log: > > | [371/398] cc -Ilibwlroots-0.19.so.p -I. -I.. -Iinclude -I../include > -Iprotocol -Irender/gles2/shaders -Irender/vulkan/shaders -Ibackend/drm > -I/usr/include/libdrm -I/usr/include/pixman-1 -fdiagnostics-color=always > -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra -Werror -std=c23 > -D_POSIX_C_SOURCE=200809L -DWLR_USE_UNSTABLE -DWLR_PRIVATE= > -DWLR_LITTLE_ENDIAN=1 -DWLR_BIG_ENDIAN=0 -Wundef -Wlogical-op > -Wmissing-include-dirs -Wold-style-definition -Wpointer-arith -Winit-self > -Wstrict-prototypes -Wimplicit-fallthrough=2 -Wendif-labels > -Wstrict-aliasing=2 -Woverflow -Wmissing-prototypes -Walloca > -Wno-missing-braces -Wno-missing-field-initializers -Wno-unused-parameter > -fmacro-prefix-map=../= -g -O2 -Werror=implicit-function-declaration > -ffile-prefix-map=/build/reproducible-path/wlroots-0.19.2=. > -fstack-protector-strong -fstack-clash-protection -Wformat > -Werror=format-security -mbranch-protection=standard -Wdate-time > -D_FORTIFY_SOURCE=2 -fPIC -pthread -MD -MQ > libwlroots-0.19.so.p/xcursor_xcursor.c.o -MF > libwlroots-0.19.so.p/xcursor_xcursor.c.o.d -o > libwlroots-0.19.so.p/xcursor_xcursor.c.o -c ../xcursor/xcursor.c > | FAILED: [code=1] libwlroots-0.19.so.p/xcursor_xcursor.c.o > | cc -Ilibwlroots-0.19.so.p -I. -I.. -Iinclude -I../include -Iprotocol > -Irender/gles2/shaders -Irender/vulkan/shaders -Ibackend/drm > -I/usr/include/libdrm -I/usr/include/pixman-1 -fdiagnostics-color=always > -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra -Werror -std=c23 > -D_POSIX_C_SOURCE=200809L -DWLR_USE_UNSTABLE -DWLR_PRIVATE= > -DWLR_LITTLE_ENDIAN=1 -DWLR_BIG_ENDIAN=0 -Wundef -Wlogical-op > -Wmissing-include-dirs -Wold-style-definition -Wpointer-arith -Winit-self > -Wstrict-prototypes -Wimplicit-fallthrough=2 -Wendif-labels > -Wstrict-aliasing=2 -Woverflow -Wmissing-prototypes -Walloca > -Wno-missing-braces -Wno-missing-field-initializers -Wno-unused-parameter > -fmacro-prefix-map=../= -g -O2 -Werror=implicit-function-declaration > -ffile-prefix-map=/build/reproducible-path/wlroots-0.19.2=. > -fstack-protector-strong -fstack-clash-protection -Wformat > -Werror=format-security -mbranch-protection=standard -Wdate-time > -D_FORTIFY_SOURCE=2 -fPIC -pthread -MD -MQ > libwlroots-0.19.so.p/xcursor_xcursor.c.o -MF > libwlroots-0.19.so.p/xcursor_xcursor.c.o.d -o > libwlroots-0.19.so.p/xcursor_xcursor.c.o -c ../xcursor/xcursor.c > | ../xcursor/xcursor.c: In function ‘xcursor_next_path’: > | ../xcursor/xcursor.c:605:23: error: initialization discards ‘const’ > qualifier from pointer target type [-Werror=discarded-qualifiers] > | 605 | char *colon = strchr(path, ':'); > | | ^~~~~~ > | cc1: all warnings being treated as errors
Can you verify if this is fixed with wlroots 0.20.0-rc1 (or later),
available in experimental? I strongly suspect it is, due to
47486545b196 ("Add "const" to eliminate "error: initialization discards ‘const’
qualifier from pointer target type"")
https://gitlab.freedesktop.org/wlroots/wlroots/-/commit/47486545b196
And that commit is part of 0.20.0-rc1
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