Check for HP's C compiler rather than for HP-UX.

The test concerns the compiler, not the OS.

diff --git a/thread-local.h b/thread-local.h
index 9abf498c2e1e6bbd62ac983b6b4efb51ecb4491e..a84f4d2ca415ccaf8ff080623590e3e9e8cb0390 100644 (file)
--- a/thread-local.h
+++ b/thread-local.h
@@ -63,7 +63,7 @@
   #elif defined __GNUC__ || \
          defined __SUNPRO_C || \
          defined __xlC__ || \
-         defined __hpux
+         defined __HP_cc
     #define thread_local __thread
   #else
     #error "Cannot define thread_local"