re PR libstdc++/8399 (sync_with_stdio(false) breaks unformatted input)
2002-11-15 Paolo Carlini <pcarlini@unitus.it>
Loren J. Rittle <ljrittle@acm.org>
PR libstdc++/8399
* acinclude.m4
(GLIBCPP_CHECK_UNISTD_DECL_AND_LINKAGE_1): New macro to
check for unistd.h functions.
(GLIBCPP_CHECK_UNISTD_SUPPORT): New macro, check for isatty
in unistd.h.
* configure.in: Call here.
* src/ios.cc (ios_base::Init::_S_ios_create(bool)):
Use _GLIBCPP_HAVE_ISATTY: ifdef, in case of interactive
input __in_size = 1 even when sync_with_stdio is false;
otherwise fall back to __in_size = 1.
* aclocal.m4: Regenerate.
* config.h.in: Regenerate.
* configure: Regenerate.
Co-Authored-By: Loren J. Rittle <ljrittle@acm.org>
From-SVN: r59118