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dtucker pushed a commit to branch master
in repository openssh.

commit c61d5ec3c11e7ff9779b6127421d9f166cf10915
Author: Darren Tucker <dtucker@zip.com.au>
Date: Fri Feb 3 14:10:34 2017 +1100

Remove _XOPEN_SOURCE from wide char detection.

Having _XOPEN_SOURCE unconditionally causes problems on some platforms
and configurations, notably Solaris 64-bit binaries. It was there for
the benefit of Linux put the required bits in the *-*linux* section.

Patch from yvoinov at gmail.com.
---
configure.ac | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index eb9f45d..0911e7c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -740,6 +740,9 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
use_pie=auto
check_for_libcrypt_later=1
check_for_openpty_ctty_bug=1
+ dnl Target SUSv3/POSIX.1-2001 plus BSD specifics.
+ dnl _DEFAULT_SOURCE is the new name for _BSD_SOURCE
+ CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=600 -D_BSD_SOURCE -D_DEFAULT_SOURCE"
AC_DEFINE([PAM_TTY_KLUDGE], [1],
[Work around problematic Linux PAM modules handling of PAM_TTY])
AC_DEFINE([LOCKED_PASSWD_PREFIX], ["!"],
@@ -1771,11 +1774,8 @@ AC_CHECK_FUNCS([ \
warn \
])

-dnl Wide character support. Linux man page says it needs _XOPEN_SOURCE.
-saved_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -D_XOPEN_SOURCE"
+dnl Wide character support.
AC_CHECK_FUNCS([mblen mbtowc nl_langinfo wcwidth])
-CFLAGS="$saved_CFLAGS"

TEST_SSH_UTF8=${TEST_SSH_UTF8:=yes}
AC_MSG_CHECKING([for utf8 locale support])

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