Fix build for apple machines.
HAVE_CRASHREPORTERCLIENT_H was potentially undefined and -Wundef is
enabled now.
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@228368 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/abort_message.cpp b/src/abort_message.cpp
index 6d2a5cb..5e25c0f 100644
--- a/src/abort_message.cpp
+++ b/src/abort_message.cpp
@@ -26,7 +26,7 @@
#ifdef __APPLE__
# if defined(__has_include) && __has_include(<CrashReporterClient.h>)
-# define HAVE_CRASHREPORTERCLIENT_H 1
+# define HAVE_CRASHREPORTERCLIENT_H
# include <CrashReporterClient.h>
# endif
#endif
@@ -44,7 +44,7 @@
va_end(list);
fprintf(stderr, "\n");
-#if defined(__APPLE__) && HAVE_CRASHREPORTERCLIENT_H
+#if defined(__APPLE__) && defined(HAVE_CRASHREPORTERCLIENT_H)
// record message in crash report
char* buffer;
va_list list2;