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util: add detection of openpty function
All UNIX platforms we care about have openpty() in the libutil library. Use of pty.h must also be made conditional, excluding Win32. Reviewed-by: Pavel Hrdina <phrdina@redhat.com> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
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@ -2342,3 +2342,6 @@ exclude_file_name_regexp--sc_prohibit_strcmp = \
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exclude_file_name_regexp--sc_prohibit_backslash_alignment = \
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^build-aux/syntax-check\.mk$$
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exclude_file_name_regexp--sc_prohibit_always_true_header_tests = \
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^src/util/virfile\.c$$
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@ -383,10 +383,13 @@ dnl Availability of various common headers (non-fatal if missing).
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AC_CHECK_HEADERS([\
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ifaddrs.h \
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libtasn1.h \
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util.h \
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libutil.h \
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linux/magic.h \
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mntent.h \
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net/ethernet.h \
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netinet/tcp.h \
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pty.h \
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pwd.h \
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stdarg.h \
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syslog.h \
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@ -430,6 +433,7 @@ dnl header could be found.
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AM_CONDITIONAL([HAVE_LIBTASN1], [test "x$ac_cv_header_libtasn1_h" = "xyes"])
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AC_CHECK_LIB([intl],[gettext],[])
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AC_CHECK_LIB([util],[openpty],[])
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dnl
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@ -282,6 +282,7 @@ libvirt_util_la_CFLAGS = \
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$(NULL)
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libvirt_util_la_LIBADD = \
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-lm \
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$(OPENPTY_LIBS) \
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$(CAPNG_LIBS) \
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$(YAJL_LIBS) \
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$(LIBNL_LIBS) \
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@ -27,7 +27,19 @@
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#include <passfd.h>
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#include <fcntl.h>
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#include <pty.h>
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#include <termios.h>
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#ifdef HAVE_PTY_H
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/* Linux openpty */
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# include <pty.h>
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#endif /* !HAVE_PTY_H */
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#ifdef HAVE_UTIL_H
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/* macOS openpty */
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# include <util.h>
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#endif /* !HAVE_LIBUTIL_H */
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#ifdef HAVE_LIBUTIL_H
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/* FreeBSD openpty */
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# include <libutil.h>
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#endif /* !HAVE_LIBUTIL_H */
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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