rdc_sampler: include <assert.h> that is missing in <rdc/rdc.h>

In at least ROCm 6.2.1, rdc/rdc.h forgot to include <assert.h>.

Include <assert.h> for it.

configure.ac

@@ -140,7 +140,10 @@ m4_ifndef([PKG_CHECK_MODULES],
       [m4_fatal([pkg.m4 not found. Please install pkg-config (Ubuntu) or pkgconfig (RHEL) package])])
 PKG_PROG_PKG_CONFIG
 
+# <rdc/rdc.h> fails to include <assert.h> in at least rocm 6.2.1, hence the
+# include of assert.h here.
 AC_LIB_HAVE_LINKFLAGS([rdc_bootstrap], [], [
+#include <assert.h>
 #include <rdc/rdc.h>
 ])
 AM_CONDITIONAL([HAVE_LIBRDC_BOOTSTRAP], [test "x$HAVE_LIBRDC_BOOTSTRAP" = xyes])

ldms/src/sampler/rdc_sampler/rdcinfo.h

@@ -55,6 +55,9 @@
 #include "ldmsd.h"
 #include "ovis_json/ovis_json.h"
 #include "sampler_base.h"
+/* rdc/rdc.h in at least ROCm 6.2.1 forget to include <assert.h>, so we
+ * include it here for them before including <rdc/rdc.h> */
+#include <assert.h>
 #include <rdc/rdc.h>
 
 #define SAMP "rdc_sampler"