diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 31 |
1 files changed, 31 insertions, 0 deletions
@@ -100,6 +100,7 @@ have_patch= have_unistd= have_timegm= have_syslog= +have_posix_sigs= need_svid_source= need_bsd_source= @@ -576,6 +577,9 @@ tool_prefix := $tool_prefix # do we compile in syslog support? have_syslog := $have_syslog +# do we modern posix signal handling? +have_posix_sigs := $have_posix_sigs + # do we compile in debug support? debug_support := $debug_support @@ -1437,6 +1441,33 @@ else have_syslog=y fi +printf "Checking for reasonably modern POSIX signal handling ... " + +cat > conftest.c <<! +#include <signal.h> +#include <setjmp.h> + +int main(void) +{ + sigjmp_buf jb; + static struct sigaction old, new; + static sigset_t olds, news; + sigaction(0, &new, &old); + sigprocmask(SIG_BLOCK, &news, &olds); + if (!sigsetjmp(jb, 1)) + siglongjmp(jb, 1); + return 0; +} +! +rm -f conftest +if ! $make conftest > conftest.err 2>&1 || ! [ -x conftest ] ; then + printf "no\n" +else + printf "yes\n" + printf "#define HAVE_POSIX_SIGS 1\n" >> config.h + have_posix_sigs=y +fi + # # Dependent variables # |