Overriding the warning level and -Werror in select subprojects from the parent project(default_options: [...]) broke in Meson 1.8.
project('test', 'c',
version: 'unknown',
meson_version: '>= 1.7',
default_options: [
'warning_level=2',
'werror=true',
'subprj:my_option=disabled',
'subprj:warning_level=0',
'subprj:werror=false',
])Meson 1.7.2: no warnings nor errors are generated.
Meson 1.8:
[1/2] Compiling C object subprojects/subprj/libfoo.so.p/foo.c.o
FAILED: subprojects/subprj/libfoo.so.p/foo.c.o
cc -Isubprojects/subprj/libfoo.so.p -Isubprojects/subprj -I../subprojects/subprj -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra -Werror -O0 -g -fPIC -MD -MQ subprojects/subprj/libfoo.so.p/foo.c.o -MF subprojects/subprj/libfoo.so.p/foo.c.o.d -o subprojects/subprj/libfoo.so.p/foo.c.o -c ../subprojects/subprj/foo.c
../subprojects/subprj/foo.c: In function ‘main’:
../subprojects/subprj/foo.c:2:7: error: unused variable ‘unused’ [-Werror=unused-variable]
2 | int unused = 42;
| ^~~~~~
cc1: all warnings being treated as errors
I've setup a minimal project that duplicates this at https://github.com/cfillion/test_meson_1.8.
Overriding via the command line instead of within meson.build works as expected (meson setup build -Dsubprj:warning_level=0. Same with werror=false.
Overriding the warning level and -Werror in select subprojects from the parent
project(default_options: [...])broke in Meson 1.8.Meson 1.7.2: no warnings nor errors are generated.
Meson 1.8:
I've setup a minimal project that duplicates this at https://github.com/cfillion/test_meson_1.8.
Overriding via the command line instead of within meson.build works as expected (
meson setup build -Dsubprj:warning_level=0. Same withwerror=false.