Build fixes for Solaris

src/ioc/db/test/Makefile

@@ -64,6 +64,7 @@ TESTFILES += ../dbLockTest.db
 TESTPROD_HOST += dbStressTest
 dbStressTest_SRCS += dbStressLock.c
 dbStressTest_SRCS += dbTestIoc_registerRecordDeviceDriver.cpp
+dbStressTest_SYS_LIBS_solaris += rt
 TESTS += dbStressTest
 
 TESTPROD_HOST += testdbConvert

src/libCom/osi/os/default/gnuReadline.c

@@ -18,7 +18,9 @@
 
 #include "epicsExit.h"
 
-static struct osdContext {} present;
+static struct osdContext {
+    char dummy; /* Required for older compilers */
+} present;
 
 static enum {rlNone, rlIdle, rlBusy} rlState = rlNone;