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[libvirt] [PATCH] build: don't include winsock2.h on cygwin



Under cygwin, winsock2.h is intentionally incompatible with,
<sys/socket.h>, and checking for existence is wrong.

Under mingw, HAVE_WINSOCK2_H is defined on our behalf by
gnulib, in a way that does not interfere with cygwin.

* configure.ac: Drop unnecessary header check.
Reported by Matthias Bolte.
---
 configure.ac |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/configure.ac b/configure.ac
index 99bc906..deaa697 100644
--- a/configure.ac
+++ b/configure.ac
@@ -112,7 +112,8 @@ dnl Availability of various not common threadsafe functions
 AC_CHECK_FUNCS([strerror_r strtok_r getmntent_r getgrnam_r getpwuid_r])

 dnl Availability of various common headers (non-fatal if missing).
-AC_CHECK_HEADERS([pwd.h paths.h regex.h sys/syslimits.h sys/utsname.h sys/wait.h winsock2.h sched.h termios.h sys/poll.h syslog.h mntent.h net/ethernet.h])
+AC_CHECK_HEADERS([pwd.h paths.h regex.h sys/syslimits.h sys/utsname.h
+  sys/wait.h sched.h termios.h sys/poll.h syslog.h mntent.h net/ethernet.h])

 dnl Where are the XDR functions?
 dnl If portablexdr is installed, prefer that.
-- 
1.6.6.1


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