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authorSimon Josefsson <simon@josefsson.org>2011-09-21 15:49:06 +0200
committerSimon Josefsson <simon@josefsson.org>2011-09-21 15:49:06 +0200
commit5fdaefe2cfd2e38a83fee58c6a2b852d5e124d69 (patch)
treeaba3494f385bea407fd4b4f840b8b9cdfef711c2 /gl/m4/stdint.m4
parent0f206a54a53abe0ca38216081d587cf98096fb26 (diff)
downloadgnutls-5fdaefe2cfd2e38a83fee58c6a2b852d5e124d69.tar.gz
Update gnulib files.
Diffstat (limited to 'gl/m4/stdint.m4')
-rw-r--r--gl/m4/stdint.m48
1 files changed, 8 insertions, 0 deletions
diff --git a/gl/m4/stdint.m4 b/gl/m4/stdint.m4
index c75e95722a..092161c996 100644
--- a/gl/m4/stdint.m4
+++ b/gl/m4/stdint.m4
@@ -466,6 +466,14 @@ AC_DEFUN([gl_STDINT_TYPE_PROPERTIES],
fi
gl_INTEGER_TYPE_SUFFIX([sig_atomic_t wchar_t wint_t],
[gl_STDINT_INCLUDES])
+
+ dnl If wint_t is smaller than 'int', it cannot satisfy the ISO C 99
+ dnl requirement that wint_t is "unchanged by default argument promotions".
+ dnl In this case gnulib's <wchar.h> and <wctype.h> override wint_t.
+ dnl Set the variable BITSIZEOF_WINT_T accordingly.
+ if test $BITSIZEOF_WINT_T -lt 32; then
+ BITSIZEOF_WINT_T=32
+ fi
])
dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.