mike-jumper commented on code in PR #476:
URL: https://github.com/apache/guacamole-server/pull/476#discussion_r1447790467


##########
src/libguac/Makefile.am:
##########
@@ -171,5 +171,6 @@ libguac_la_LDFLAGS =     \
     @UUID_LIBS@          \
     @VORBIS_LIBS@        \
     @WEBP_LIBS@          \
-    @WINSOCK_LIBS@
+    @WINSOCK_LIBS@       \
+    @RT_LIBS@

Review Comment:
   Please maintain alphabetical ordering.



##########
configure.ac:
##########
@@ -68,6 +68,10 @@ AC_CHECK_LIB([pthread], [pthread_create], 
[PTHREAD_LIBS=-lpthread
               AC_DEFINE([HAVE_LIBPTHREAD],,
                         [Whether libpthread was found])])
 
+# librt
+AC_CHECK_LIB([rt], [timer_create], [RT_LIBS=-lrt],
+             AC_MSG_ERROR("librt is required for performing timer-related 
operations"))

Review Comment:
   It's not _universally_ required. This check should only be fatal where there 
is no `timer_create()` without linking in librt. If the test determines that 
`timer_create()` does not require linking with librt, this check should pass 
and `RT_LIBS` should be empty.



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