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meson: do a build-time check for strlcpy before attempting runtime check

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In cross-compilation environments the runtime check isn't possible so it is up
to the builder to seed the cross file, but we can definitely state that strlcpy
doesn't exist with a build test.
This commit is contained in:
Ross Burton 2019-03-13 16:22:09 +00:00
parent 3c44026dc4
commit fc88e56bfc
1 changed files with 19 additions and 16 deletions
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meson.build
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@ -1859,24 +1859,27 @@ if host_system != 'windows' and get_option('xattr')
endif endif
endif endif
# Test if we have strlcpy/strlcat with a compatible implementation: # If strlcpy is present (BSD and similar), check that it conforms to the BSD
# https://bugzilla.gnome.org/show_bug.cgi?id=53933 # specification. Specifically Solaris 8's strlcpy() does not, see
if cc_can_run # https://bugzilla.gnome.org/show_bug.cgi?id=53933 for further context.
rres = cc.run('''#include <stdlib.h> if cc.has_function('strlcpy')
#include <string.h> if cc_can_run
int main() { rres = cc.run('''#include <stdlib.h>
char p[10]; #include <string.h>
(void) strlcpy (p, "hi", 10); int main() {
if (strlcat (p, "bye", 0) != 3) char p[10];
return 1; (void) strlcpy (p, "hi", 10);
return 0; if (strlcat (p, "bye", 0) != 3)
}''', return 1;
name : 'OpenBSD strlcpy/strlcat') return 0;
if rres.compiled() and rres.returncode() == 0 }''',
name : 'OpenBSD strlcpy/strlcat')
if rres.compiled() and rres.returncode() == 0
glib_conf.set('HAVE_STRLCPY', 1)
endif
elif meson.get_cross_property('have_strlcpy', false)
glib_conf.set('HAVE_STRLCPY', 1) glib_conf.set('HAVE_STRLCPY', 1)
endif endif
elif meson.get_cross_property('have_strlcpy', false)
glib_conf.set('HAVE_STRLCPY', 1)
endif endif
python = import('python').find_installation('python3') python = import('python').find_installation('python3')