Fix getrandom() detection: need to run the test, not only link!

2 files changed, 3 insertions, 2 deletions

diff --git a/configure b/configure
index 1eaccd3..f93b835 100755
--- a/configure
+++ b/configure
@@ -511,7 +511,7 @@ EOF
   choose cl futimes FUTIMES 'futimes()'
   choose cl arc4random ARC4RANDOM 'arc4random()'
   choose cl arc4random_addrandom ARC4RANDOM_ADDRANDOM 'arc4random_addrandom()'
-  choose cl getrandom GETRANDOM 'getrandom()'
+  choose clr getrandom GETRANDOM 'getrandom()'
   choose cl itimer ITIMER 'setitimer()'
 
   echo '#endif' >> $sysdeps/sysdeps.h
diff --git a/src/sysdeps/trygetrandom.c b/src/sysdeps/trygetrandom.c
index b6cda18..8abe3dd 100644
--- a/src/sysdeps/trygetrandom.c
+++ b/src/sysdeps/trygetrandom.c
@@ -19,5 +19,6 @@ static int getrandom (void *buf, size_t buflen, unsigned int flags)
 int main (void)
 {
   char buf[4] ;
-  return getrandom(buf, 4, 0) ;
+  if (getrandom(buf, 4, 0) < 0) return 1 ;
+  return 0 ;
 }