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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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22
m4/virt-driver-libxl.m4
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@ -28,11 +28,12 @@ AC_DEFUN([LIBVIRT_DRIVER_CHECK_LIBXL], [
LIBXL_CFLAGS="" LIBXL_CFLAGS=""
LIBXL_FIRMWARE_DIR="" LIBXL_FIRMWARE_DIR=""
LIBXL_EXECBIN_DIR="" LIBXL_EXECBIN_DIR=""
LIBXL_API_VERSION="-DLIBXL_API_VERSION=0x040400"
dnl search for libxl, aka libxenlight dnl search for libxl, aka libxenlight
dnl Xen > 4.5 introduced a pkgconfig file, check for it first dnl Xen > 4.5 introduced a pkgconfig file, check for it first
old_with_libxl="$with_libxl" old_with_libxl="$with_libxl"
LIBVIRT_CHECK_PKG([LIBXL], [xenlight], [4.2.0], [true]) LIBVIRT_CHECK_PKG([LIBXL], [xenlight], [4.4.0], [true])
if test "x$with_libxl" = "xyes" ; then if test "x$with_libxl" = "xyes" ; then
LIBXL_FIRMWARE_DIR=$($PKG_CONFIG --variable xenfirmwaredir xenlight) LIBXL_FIRMWARE_DIR=$($PKG_CONFIG --variable xenfirmwaredir xenlight)
LIBXL_EXECBIN_DIR=$($PKG_CONFIG --variable libexec_bin 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 dnl pkgconfig file not found, fallback to lib probe
if test "x$with_libxl" = "xno" ; then if test "x$with_libxl" = "xno" ; then
with_libxl="$old_with_libxl" with_libxl="$old_with_libxl"
LIBVIRT_CHECK_LIB([LIBXL], [xenlight], [libxl_ctx_alloc], [libxl.h], [fail="1"])
if test $fail = 1; then
AC_MSG_ERROR([You must install the libxl Library from Xen >= 4.2 to compile libxenlight driver with -lxl])
fi
fi
dnl LIBXL_API_VERSION 4.4.0 introduced a new parameter to dnl LIBXL_API_VERSION 4.4.0 introduced a new parameter to
dnl libxl_domain_create_restore for specifying restore parameters. dnl libxl_domain_create_restore for specifying restore parameters.
dnl The libxl driver will make use of this new parameter for specifying dnl The libxl driver will make use of this new parameter for specifying
dnl the Xen migration stream version. dnl the Xen migration stream version. Specify LIBXL_API_VERSION to trigger
LIBXL_CFLAGS="$LIBXL_CFLAGS -DLIBXL_API_VERSION=0x040400" 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 $fail = 1; then
AC_MSG_ERROR([You must install the libxl Library from Xen >= 4.4 to compile libxenlight driver with -lxl])
fi
fi
LIBXL_CFLAGS="$LIBXL_CFLAGS $LIBXL_API_VERSION"
LIBS="$old_LIBS" LIBS="$old_LIBS"
CFLAGS="$old_CFLAGS" CFLAGS="$old_CFLAGS"