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meson: avoid unused arguments of main() in compiler tests

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meson.build has one test where "main" is declared unnecessarily
with argc and argv arguments, but does not use them.  Because
the test needs -Werror too, HAVE_BROKEN_SIZE_MAX is defined
incorrectly.

Fix the test and, for consistency, remove argc and argv whenever
they are not needed.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2022-11-03 18:19:18 +01:00
parent 8a0afbb2a4
commit b5d3dac170
1 changed files with 4 additions and 4 deletions
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8
meson.build
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@ -2165,7 +2165,7 @@ config_host_data.set('CONFIG_SPLICE', cc.links(gnu_source_prefix + '''
config_host_data.set('HAVE_MLOCKALL', cc.links(gnu_source_prefix + '''
#include <sys/mman.h>
int main(int argc, char *argv[]) {
int main(void) {
return mlockall(MCL_FUTURE);
}'''))
@ -2210,7 +2210,7 @@ config_host_data.set('HAVE_FSXATTR', cc.links('''
config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
#include <stdint.h>
#include <stdio.h>
int main(int argc, char *argv[]) {
int main(void) {
return printf("%zu", SIZE_MAX);
}''', args: ['-Werror']))
@ -2327,7 +2327,7 @@ config_host_data.set('CONFIG_AVX2_OPT', get_option('avx2') \
__m256i x = *(__m256i *)a;
return _mm256_testz_si256(x, x);
}
int main(int argc, char *argv[]) { return bar(argv[0]); }
int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
'''), error_message: 'AVX2 not available').allowed())
config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
@ -2341,7 +2341,7 @@ config_host_data.set('CONFIG_AVX512F_OPT', get_option('avx512f') \
__m512i x = *(__m512i *)a;
return _mm512_test_epi64_mask(x, x);
}
int main(int argc, char *argv[]) { return bar(argv[0]); }
int main(int argc, char *argv[]) { return bar(argv[argc - 1]); }
'''), error_message: 'AVX512F not available').allowed())
have_pvrdma = get_option('pvrdma') \