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r19235: merge from samba4:

fix configure test for net/if.h on some platforms

AC_LANG_SOURCE() adds the content of confdefs.h in front
of the compiled file

metze
(This used to be commit 7cbdc06ad9)
This commit is contained in:
Stefan Metzmacher 2006-10-11 07:22:33 +00:00 committed by Gerald (Jerry) Carter
parent fc15a2ae5f
commit f455951e1e

View File

@ -103,13 +103,13 @@ AC_CHECK_HEADERS(sys/sockio.h sys/un.h)
dnl we need to check that net/if.h really can be used, to cope with hpux
dnl where including it always fails
AC_CACHE_CHECK([for usable net/if.h],libreplace_cv_USABLE_NET_IF_H,[
AC_COMPILE_IFELSE([
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
AC_INCLUDES_DEFAULT
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#include <net/if.h>
int main(void) {return 0;}],
int main(void) {return 0;}])],
[libreplace_cv_USABLE_NET_IF_H=yes],
[libreplace_cv_USABLE_NET_IF_H=no]
)