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build: More robust compiler flag checks

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Don't hardcode platforms but check if things actually link.

This should fix cygwin.
This commit is contained in:
Patrick Griffis 2017-06-26 16:38:03 -04:00
parent 806a0da258
commit e68976ab39
1 changed files with 23 additions and 16 deletions
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39
meson.build
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@ -98,29 +98,36 @@ test_cflags = [
'-Werror=missing-include-dirs', '-Werror=missing-include-dirs',
'-Werror=date-time', '-Werror=date-time',
] ]
if host_machine.system() != 'windows' and get_option('buildtype') != 'plain'
test_cflags += '-fstack-protector-strong'
endif
foreach cflag : test_cflags foreach cflag : test_cflags
if cc.has_multi_arguments(cflag) if cc.has_multi_arguments(cflag)
global_cflags += cflag global_cflags += cflag
endif endif
endforeach endforeach
if get_option('buildtype') != 'plain'
if cc.has_argument('-fstack-protector-strong') and cc.links('''
int main (void) {
char buffer[16];
strcpy(buffer, "foo");
return 0;
}
''', args: '-fstack-protector-all')
global_cflags += '-fstack-protector-strong'
endif
endif
add_project_arguments(global_cflags, language: 'c') add_project_arguments(global_cflags, language: 'c')
if host_machine.system() != 'windows'
global_ldflags = [] global_ldflags = []
test_ldflags = [ test_ldflags = [
'-Wl,-z,relro', '-Wl,-z,relro',
'-Wl,-z,now', '-Wl,-z,now',
] ]
foreach ldflag : test_ldflags foreach ldflag : test_ldflags
if cc.has_argument(ldflag) if cc.has_argument(ldflag) and cc.links('int main (void) { return 0; }', args: ldflag)
global_ldflags += ldflag global_ldflags += ldflag
endif endif
endforeach endforeach
add_project_link_arguments(global_ldflags, language: 'c') add_project_link_arguments(global_ldflags, language: 'c')
endif
subdir('src') subdir('src')
if get_option('with-plugin') if get_option('with-plugin')