Merge pull request #3085 from bluca/getrandom_test

Problem: getrandom test does not check if it's working

Merge pull request #3085 from bluca/getrandom_test
Problem: getrandom test does not check if it's working
5fe78307 · Simon Giesecke · GitHub · 0f896fcd · 4ff814f2 · 5fe78307
Unverified Commit 5fe78307 authored May 11, 2018 by Simon Giesecke Committed by GitHub May 11, 2018
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Showing with 4 additions and 2 deletions

acinclude.m4 acinclude.m4 +2 -1

ZMQSourceRunChecks.cmake builds/cmake/Modules/ZMQSourceRunChecks.cmake +2 -1

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--- a/acinclude.m4
+++ b/acinclude.m4
@@ -883,7 +883,8 @@ AC_DEFUN([LIBZMQ_CHECK_GETRANDOM], [{
 int main (int argc, char *argv [])
 {
    char buf[4];
-    getrandom(buf, 4, 0);
+    int rc = getrandom(buf, 4, 0);
+    return rc == -1 ? 1 : 0;
 }
        ],
        [libzmq_cv_getrandom="yes"],

--- a/builds/cmake/Modules/ZMQSourceRunChecks.cmake
+++ b/builds/cmake/Modules/ZMQSourceRunChecks.cmake
@@ -287,7 +287,8 @@ macro(zmq_check_getrandom)
 int main (int argc, char *argv [])
 {
    char buf[4];
-    getrandom(buf, 4, 0);
+    int rc = getrandom(buf, 4, 0);
+    return rc == -1 ? 1 : 0;
 }
 "
    ZMQ_HAVE_GETRANDOM)