* lib/cdefs.h, lib/obstack.in.h (__extension__):
Oracle Developer Studio 12.6 also supports __extension__.
---
ChangeLog | 4 ++++
lib/cdefs.h | 2 +-
lib/obstack.in.h | 3 ++-
3 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index dd0825acdf..c0691ce564 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
2025-05-05 Paul Eggert <egg...@cs.ucla.edu>
+ libc-config, obstack: Oracle __extension__ support
+ * lib/cdefs.h, lib/obstack.in.h (__extension__):
+ Oracle Developer Studio 12.6 also supports __extension__.
+
obstack: be more like glibc for __extension__
* lib/obstack.in.h (__extension__): Use glibc-like syntax
for testing gcc version.
diff --git a/lib/cdefs.h b/lib/cdefs.h
index 53269033d9..65da09dc09 100644
--- a/lib/cdefs.h
+++ b/lib/cdefs.h
@@ -482,7 +482,7 @@
run in pedantic mode if the uses are carefully marked using the
`__extension__' keyword. But this is not generally available before
version 2.8. */
-#if !(__GNUC_PREREQ (2,8) || defined __clang__)
+#if ! (__GNUC_PREREQ (2,8) || defined __clang__ || 0x5150 <= __SUNPRO_C)
# define __extension__ /* Ignore */
#endif
diff --git a/lib/obstack.in.h b/lib/obstack.in.h
index df7ef6f846..5e0db5f88e 100644
--- a/lib/obstack.in.h
+++ b/lib/obstack.in.h
@@ -324,7 +324,8 @@ extern int obstack_exit_failure;
#define obstack_memory_used(h) _obstack_memory_used (h)
#if defined __GNUC__ || defined __clang__
-# if ! (2 < __GNUC__ + (8 <= __GNUC_MINOR__) || defined __clang__)
+# if ! (2 < __GNUC__ + (8 <= __GNUC_MINOR__) || defined __clang__ \
+ || 0x5150 <= __SUNPRO_C)
# define __extension__
# endif
--
2.49.0
