On Linux, SIGPOLL is a valid signal, but on systems like FreeBSD, it is not. This patch adds a detection within meson.build to check if it's available, and if not, make sure it's not included.
Signed-off-by: Mark Weiman <[email protected]> --- lib/libalpm/util.c | 6 +++++- meson.build | 13 +++++++++++++ 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c index d2a688a2..db07502a 100644 --- a/lib/libalpm/util.c +++ b/lib/libalpm/util.c @@ -561,7 +561,11 @@ static void _alpm_reset_signals(void) int *i, signals[] = { SIGABRT, SIGALRM, SIGBUS, SIGCHLD, SIGCONT, SIGFPE, SIGHUP, SIGILL, SIGINT, SIGKILL, SIGPIPE, SIGQUIT, SIGSEGV, SIGSTOP, SIGTERM, SIGTSTP, - SIGTTIN, SIGTTOU, SIGUSR1, SIGUSR2, SIGPOLL, SIGPROF, SIGSYS, SIGTRAP, + SIGTTIN, SIGTTOU, SIGUSR1, SIGUSR2, +#if defined(HAVE_SIGPOLL) + SIGPOLL, +#endif + SIGPROF, SIGSYS, SIGTRAP, SIGURG, SIGVTALRM, SIGXCPU, SIGXFSZ, 0 }; diff --git a/meson.build b/meson.build index 0dc0d612..359e7f05 100644 --- a/meson.build +++ b/meson.build @@ -193,8 +193,21 @@ signal_code = '''void foo() { int sig = SIGINT; }''' signal_test = cc.compiles(signal_code, name : 'test if signal.h is not needed') if not signal_test conf.set('INCLUDE_SIGNAL_H', true) + include_signal = '''#include <signal.h>''' +else + include_signal = '' endif +foreach sig : [ + 'SIGPOLL', + ] + if cc.compiles(include_signal + ''' + void foo() { int sig = ''' + + sig + '''; }''', name : 'test for ' + sig) + conf.set('HAVE_' + sig, true) + endif +endforeach + if get_option('debug') extra_cflags = [ '-Wcast-align', -- 2.31.1
