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[Emacs-diffs] master c0ae125: Fix --enable-gcc-warnings problem with old
From: |
Paul Eggert |
Subject: |
[Emacs-diffs] master c0ae125: Fix --enable-gcc-warnings problem with older GCC |
Date: |
Sat, 10 Oct 2015 18:57:43 +0000 |
branch: master
commit c0ae12581c8f961ecad6d8ae1a1c4489c0e0abed
Author: Paul Eggert <address@hidden>
Commit: Paul Eggert <address@hidden>
Fix --enable-gcc-warnings problem with older GCC
* src/puresize.h: Add INLINE_HEADER_BEGIN, INLINE_HEADER_END.
This is for building with --enable-gcc-warnings with
GCC 4.6 through 5.0.
---
src/conf_post.h | 5 +++++
src/puresize.h | 4 ++++
2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/src/conf_post.h b/src/conf_post.h
index 785e5d7..2c3eee5 100644
--- a/src/conf_post.h
+++ b/src/conf_post.h
@@ -316,6 +316,11 @@ extern int emacs_setenv_TZ (char const *);
before including config.h or any other .h file.
Other .c files should not define INLINE.
+ For Emacs, this is done by having emacs.c first '#define INLINE
+ EXTERN_INLINE' and then include every .h file that uses INLINE.
+
+ The INLINE_HEADER_BEGIN and INLINE_HEADER_END suppress bogus
+ warnings in some GCC versions; see ../m4/extern-inline.m4.
C99 compilers compile functions like 'incr' as C99-style extern
inline functions. Buggy GCC implementations do something similar with
diff --git a/src/puresize.h b/src/puresize.h
index d0926c6..c61b31f 100644
--- a/src/puresize.h
+++ b/src/puresize.h
@@ -16,6 +16,8 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+INLINE_HEADER_BEGIN
+
/* Define PURESIZE, the number of bytes of pure Lisp code to leave space for.
At one point, this was defined in config.h, meaning that changing
@@ -88,3 +90,5 @@ CHECK_IMPURE (Lisp_Object obj, void *ptr)
if (PURE_P (ptr))
pure_write_error (obj);
}
+
+INLINE_HEADER_END
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