diff options
| author | Paul Eggert <eggert@cs.ucla.edu> | 2020-08-11 10:58:35 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2020-08-11 11:07:28 -0700 |
| commit | 124a7951f495b916cf38f0e1e1fe85e22bc08aba (patch) | |
| tree | 7da6fb7a3ae571652acb36418706654fd54d7dc0 /lib/ignore-value.h | |
| parent | 669aeafbd14b0ebb824bacba0a6b3daad30847a9 (diff) | |
| download | emacs-124a7951f495b916cf38f0e1e1fe85e22bc08aba.tar.gz emacs-124a7951f495b916cf38f0e1e1fe85e22bc08aba.tar.bz2 emacs-124a7951f495b916cf38f0e1e1fe85e22bc08aba.zip | |
Update from Gnulib
This incorporates:
2020-08-11 Use expression statements also on clang
2020-08-10 Use many __attribute__s with clang
2020-08-09 Use attribute __aligned__ with clang
2020-08-09 Use __alignof__ with clang
2020-08-09 ignore-value: Simplify on clang
2020-08-09 Use __typeof__ with clang
2020-08-09 intprops: Fix typo in comment
2020-08-09 Silence warnings from clang 10 with -Wimplicit-fallthrough
2020-08-09 count-one-bits: Use __builtin_popcount{,l,ll} on clang
2020-08-09 string: Fix build error in C++ mode with clang
2020-08-09 Add ability to emit user-defined diagnostics with clang
2020-08-07 alloca: No need to compile alloca.c with clang
2020-08-06 Use __builtin_assume with clang
* lib/alloca.in.h, lib/arg-nonnull.h, lib/c++defs.h, lib/cdefs.h:
* lib/count-one-bits.h, lib/dirent.in.h, lib/ignore-value.h:
* lib/intprops.h, lib/malloca.h, lib/regex_internal.h:
* lib/stdalign.in.h, lib/stddef.in.h, lib/stdio.in.h:
* lib/stdlib.in.h, lib/string.in.h, lib/verify.h, lib/warn-on-use.h:
* m4/gnulib-common.m4, m4/stddef_h.m4, m4/stdint.m4:
Copy from Gnulib.
Diffstat (limited to 'lib/ignore-value.h')
| -rw-r--r-- | lib/ignore-value.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/ignore-value.h b/lib/ignore-value.h index 7a922268431..ec3288f0dfc 100644 --- a/lib/ignore-value.h +++ b/lib/ignore-value.h @@ -39,8 +39,9 @@ versions 3.4 and newer have __attribute__ ((__warn_unused_result__)) which may cause unwanted diagnostics in that case. Use __typeof__ and __extension__ to work around the problem, if the workaround is - known to be needed. */ -#if 3 < __GNUC__ + (4 <= __GNUC_MINOR__) + known to be needed. + The workaround is not needed with clang. */ +#if (3 < __GNUC__ + (4 <= __GNUC_MINOR__)) && !defined __clang__ # define ignore_value(x) \ (__extension__ ({ __typeof__ (x) __x = (x); (void) __x; })) #else |