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[PATCH 02/16] extern-inline: avoid 'static inline'
From: |
Paul Eggert |
Subject: |
[PATCH 02/16] extern-inline: avoid 'static inline' |
Date: |
Sat, 18 Aug 2012 17:51:10 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:14.0) Gecko/20120714 Thunderbird/14.0 |
* m4/extern-inline.m4 (gl_EXTERN_INLINE):
Do not require AC_C_INLINE.
(_GL_INLINE, _GL_EXTERN_INLINE)
[! (__GNUC__ ? __GNUC_STDC_INLINE__ : 199901L <= __STDC_VERSION__)]:
Now 'static', not 'static inline'. The 'inline' is just one more
portability hassle with pre-C99 compilers. With GCC and Emacs and
the default optimization, 'static' generates significantly faster
code than 'static inline'.
---
ChangeLog | 10 ++++++++++
m4/extern-inline.m4 | 5 ++---
2 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index f1a7bc6..157df9d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,15 @@
2012-08-18 Paul Eggert <address@hidden>
+ extern-inline: avoid 'static inline'
+ * m4/extern-inline.m4 (gl_EXTERN_INLINE):
+ Do not require AC_C_INLINE.
+ (_GL_INLINE, _GL_EXTERN_INLINE)
+ [! (__GNUC__ ? __GNUC_STDC_INLINE__ : 199901L <= __STDC_VERSION__)]:
+ Now 'static', not 'static inline'. The 'inline' is just one more
+ portability hassle with pre-C99 compilers. With GCC and Emacs and
+ the default optimization, 'static' generates significantly faster
+ code than 'static inline'.
+
warn-on-use: do not depend on 'inline'
* build-aux/snippet/warn-on-use.h: Remove unnecessary 'inline'
from comment.
diff --git a/m4/extern-inline.m4 b/m4/extern-inline.m4
index 187a335..15349e4 100644
--- a/m4/extern-inline.m4
+++ b/m4/extern-inline.m4
@@ -7,7 +7,6 @@ dnl with or without modifications, as long as this notice is
preserved.
AC_DEFUN([gl_EXTERN_INLINE],
[
- AC_REQUIRE([AC_C_INLINE])
AH_VERBATIM([extern_inline],
[/* _GL_INLINE is a portable alternative to ISO C99 plain 'inline'.
_GL_EXTERN_INLINE is a portable alternative to 'extern inline'.
@@ -30,8 +29,8 @@ AC_DEFUN([gl_EXTERN_INLINE],
_Pragma ("GCC diagnostic pop")
# endif
#else
-# define _GL_INLINE static inline
-# define _GL_EXTERN_INLINE static inline
+# define _GL_INLINE static
+# define _GL_EXTERN_INLINE static
#endif
#ifndef _GL_INLINE_HEADER_BEGIN
--
1.7.6.5
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