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m4/virt-libxl: properly check for required libxl version

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Pavel Hrdina 2016-11-14 16:11:58 +01:00
parent 2620fa178d
commit 5767a2da4b
1 changed files with 13 additions and 7 deletions
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20
m4/virt-driver-libxl.m4
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@ -28,11 +28,12 @@ AC_DEFUN([LIBVIRT_DRIVER_CHECK_LIBXL], [
LIBXL_CFLAGS=""
LIBXL_FIRMWARE_DIR=""
LIBXL_EXECBIN_DIR=""
LIBXL_API_VERSION="-DLIBXL_API_VERSION=0x040400"
dnl search for libxl, aka libxenlight
dnl Xen > 4.5 introduced a pkgconfig file, check for it first
old_with_libxl="$with_libxl"
LIBVIRT_CHECK_PKG([LIBXL], [xenlight], [4.2.0], [true])
LIBVIRT_CHECK_PKG([LIBXL], [xenlight], [4.4.0], [true])
if test "x$with_libxl" = "xyes" ; then
LIBXL_FIRMWARE_DIR=$($PKG_CONFIG --variable xenfirmwaredir xenlight)
LIBXL_EXECBIN_DIR=$($PKG_CONFIG --variable libexec_bin xenlight)
@ -41,17 +42,22 @@ AC_DEFUN([LIBVIRT_DRIVER_CHECK_LIBXL], [
dnl pkgconfig file not found, fallback to lib probe
if test "x$with_libxl" = "xno" ; then
with_libxl="$old_with_libxl"
dnl LIBXL_API_VERSION 4.4.0 introduced a new parameter to
dnl libxl_domain_create_restore for specifying restore parameters.
dnl The libxl driver will make use of this new parameter for specifying
dnl the Xen migration stream version. Specify LIBXL_API_VERSION to trigger
dnl an error if there is too old xenlight
CFLAGS="$CFLAGS $LIBXL_API_VERSION"
LIBVIRT_CHECK_LIB([LIBXL], [xenlight], [libxl_ctx_alloc], [libxl.h], [fail="1"])
CFLAGS="$old_CFLAGS"
if test $fail = 1; then
AC_MSG_ERROR([You must install the libxl Library from Xen >= 4.2 to compile libxenlight driver with -lxl])
AC_MSG_ERROR([You must install the libxl Library from Xen >= 4.4 to compile libxenlight driver with -lxl])
fi
fi
dnl LIBXL_API_VERSION 4.4.0 introduced a new parameter to
dnl libxl_domain_create_restore for specifying restore parameters.
dnl The libxl driver will make use of this new parameter for specifying
dnl the Xen migration stream version.
LIBXL_CFLAGS="$LIBXL_CFLAGS -DLIBXL_API_VERSION=0x040400"
LIBXL_CFLAGS="$LIBXL_CFLAGS $LIBXL_API_VERSION"
LIBS="$old_LIBS"
CFLAGS="$old_CFLAGS"