First cut at adding printf, help builds.

ports-of-call/portable_errors.hpp

@@ -28,6 +28,11 @@
 // TODO(JMM): Is relative path right here?
 #include "portability.hpp"
 
+// use kokkos printf if available
+//#ifdef PORTABILITY_STRATEGY_KOKKOS
+//#include <Kokkos_Printf.hpp>
+//#endif // PORTABILITY_STRATEGY_KOKKOS
+
 // Use these macros for error handling. A macro is required, as
 // opposed to a function, so that the file name and line number can be
 // pulled from the call site.
@@ -101,6 +106,18 @@ namespace impl {
   std::abort();
 #endif // PORTABILITY_STRATEGY_KOKKOS
 }
+
+template <typename ... Ts>
+PORTABLE_INLINE_FUNCTION void printf(char const * const format, Ts ... ts) {
+//#ifdef PORTABILITY_STRATEGY_KOKKOS
+//  Kokkos::printf(format, ts...);
+//#else
+#ifndef __HIPCC__
+  std::printf(format, ts...);
+#endif // __HIPCC__
+//#endif // PORTABILITY_STRATEGY_KOKKOS
+  return;
+}
 } // namespace impl
 
 // Prints an error message describing the failed condition in an
@@ -112,7 +129,7 @@ PORTABLE_INLINE_FUNCTION void require(bool condition_bool,
                                       const char *const filename,
                                       int const linenumber) {
   if (!condition_bool) {
-    std::printf(
+    impl::printf(
         "### ERROR\n  Condition:   %s\n  Message:     %s\n  File:        "
         "%s\n  Line number: %i\n",
         condition, message, filename, linenumber);
@@ -134,7 +151,7 @@ inline void require(bool condition_bool, const char *const condition,
 [[noreturn]] PORTABLE_INLINE_FUNCTION void abort(const char *const message,
                                                  const char *const filename,
                                                  int const linenumber) {
-  std::printf(
+  impl::printf(
       "### ERROR\n  Message:     %s\n  File:        %s\n  Line number: %i\n",
       message, filename, linenumber);
   impl::abort();
@@ -177,7 +194,7 @@ inline void require(bool condition_bool, const char *const condition,
 PORTABLE_INLINE_FUNCTION
 void warn(const char *const message, const char *const filename,
           int const linenumber) {
-  std::printf(
+  impl::printf(
       "### WARNING\n  Message:     %s\n  File:        %s\n  Line number: "
       "%i\n",
       message, filename, linenumber);