On Tue, Apr 04, 2017 at 03:43:51AM +0300, Dmitry V. Levin wrote: [...] > gcc -DHAVE_CONFIG_H -I./linux/x86_64 -I../linux/x86_64 -I./linux -I../linux > -I. -I.. -DIN_MPERS -DMPERS_IS_m32 -I./mpers-m32 -Wall -Wempty-body > -Wformat-security -Wignored-qualifiers -Winit-self -Wlogical-op > -Wmissing-parameter-type -Wnested-externs -Wold-style-declaration > -Wold-style-definition -Wsign-compare -Wtype-limits -Wwrite-strings -Werror > -pipe -Wall -g -O2 -c -o libmpers_m32_a-v4l2.o `test -f 'v4l2.c' || echo > '../'`v4l2.c > In file included from ../v4l2.c:30:0: > ../v4l2.c: In function 'print_v4l2_format_fmt': > ../defs.h:78:46: error: subscripted value is neither array nor pointer nor > vector > #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]) + MUST_BE_ARRAY(a)) > ^ > ../v4l2.c:315:13: note: in expansion of macro 'ARRAY_SIZE' > j < ARRAY_SIZE(f->fmt.sliced.service_lines[0]); > ^~~~~~~~~~ > In file included from ../defs.h:58:0, > from ../v4l2.c:30: > ../gcc_compat.h:59:66: error: subscripted value is neither array nor pointer > nor vector > # define MUST_BE_ARRAY(a) FAIL_BUILD_ON_ZERO(!SAME_TYPE((a), &(a)[0])) > ^ > ../gcc_compat.h:57:59: note: in definition of macro 'FAIL_BUILD_ON_ZERO' > # define FAIL_BUILD_ON_ZERO(expr) (sizeof(int[-1 + 2 * !!(expr)]) * 0) > ^~~~ > ../gcc_compat.h:59:47: note: in expansion of macro 'SAME_TYPE' > # define MUST_BE_ARRAY(a) FAIL_BUILD_ON_ZERO(!SAME_TYPE((a), &(a)[0])) > ^~~~~~~~~ > ../defs.h:78:53: note: in expansion of macro 'MUST_BE_ARRAY' > #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]) + MUST_BE_ARRAY(a)) > ^~~~~~~~~~~~~ > ../v4l2.c:315:13: note: in expansion of macro 'ARRAY_SIZE' > j < ARRAY_SIZE(f->fmt.sliced.service_lines[0]); > ^~~~~~~~~~ > ../v4l2.c:320:36: error: subscripted value is neither array nor pointer nor > vector > f->fmt.sliced.service_lines[i][j]); > ^ > > This must be a bug in mpers.awk because mpers-m32/struct_v4l2_format.h looks > wrong around service_lines.
It's fixed by commit v4.16-81-g490b1ca. -- ldv
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