libunibreak: add missing __has_attribute definitions for old compilers

__has_attribute has been introduced with gcc 5 [1].

[1] https://www.gnu.org/software/gcc/gcc-5/changes.html

Fixes:
http://autobuild.buildroot.net/results/64ab825048fac1654b0d0698740ddf857fcc0afa/build-end.log
Signed-off-by: Cedric BAIL <cedric.bail@free.fr>
This commit is contained in:
Romain Naour 2019-04-16 21:33:44 +02:00 committed by Cedric BAIL
parent 5fa78a44d8
commit ee64f61a68
1 changed files with 6 additions and 0 deletions

View File

@ -209,6 +209,9 @@ static void set_wordbreaks(
posLast = posCur;
break;
}
#ifndef __has_attribute
# define __has_attribute(x) 0
#endif
#if __has_attribute(fallthrough)
__attribute__((fallthrough));
#endif
@ -325,6 +328,9 @@ static void set_wordbreaks(
wbcSeqStart = wbcCur;
posLast = posCur;
}
#ifndef __has_attribute
# define __has_attribute(x) 0
#endif
#if __has_attribute(fallthrough)
__attribute__((fallthrough));
#endif