The AC_USE_SYSTEM_EXTENSIONS macro causes things like "USE_GNU" to be defined, which enables access to OS specific extensions to POSIX. We currently got this indirectly via GNULIB's 'extensions' module which is a dependancy of other GNULIB modules we use. Signed-off-by: Daniel P. Berrangé <berrange@xxxxxxxxxx> --- configure.ac | 2 ++ 1 file changed, 2 insertions(+) diff --git a/configure.ac b/configure.ac index 2cd0e7dcee..adfd950260 100644 --- a/configure.ac +++ b/configure.ac @@ -55,6 +55,8 @@ m4_ifndef([AM_SILENT_RULES], AC_CANONICAL_HOST +AC_USE_SYSTEM_EXTENSIONS + # First extract pieces from the version number string LIBVIRT_MAJOR_VERSION=`echo $VERSION | awk -F. '{print $1}'` LIBVIRT_MINOR_VERSION=`echo $VERSION | awk -F. '{print $2}'` -- 2.24.1