On Mon, Nov 05, 2012 at 01:23:51PM +0800, Gao feng wrote:
> +dnl libfuse
> +AC_ARG_WITH([fuse],
> + AC_HELP_STRING([--with-fuse], [use libfuse to proivde fuse filesystem support for libvirt lxc]),
> + [],
> + [with_fuse=check])
> +dnl
> +dnl This check looks for 'fuse'
> +dnl
> +FUSE_CFLAGS=
> +FUSE_LIBS=
> +if test "x$with_fuse" != "xno"; then
> + PKG_CHECK_MODULES([FUSE], [fuse >= $FUSE_REQUIRED],
> + [with_fuse=yes], [
> + if test "x$with_fuse" = "xcheck" ; then
> + with_fuse=no
> + else
> + AC_MSG_ERROR(
> + [You must install fuse Library to compile libvirt])
> + fi
> + ])
> + if test "x$with_fuse" = "xyes" ; then
> + FUSE_LIBS="-lfuse"
> + FUSE_CFLAGS="-D_FILE_OFFSET_BITS=64"
> + AC_DEFINE_UNQUOTED([HAVE_FUSE], 1, [whether fuse is available for libvirt lxc])
> + fi
> +fi
> +AM_CONDITIONAL([HAVE_FUSE], [test "x$with_fuse" = "xyes"])
> +AC_SUBST([FUSE_CFLAGS])
> +AC_SUBST([FUSE_LIBS])
> +
For comparison, here is how we test for fuse in libguestfs:
dnl FUSE is optional to build the FUSE module.
AC_ARG_ENABLE([fuse],
AS_HELP_STRING([--disable-fuse], [disable FUSE (guestmount) support]),
[],
[enable_fuse=yes])
AS_IF([test "x$enable_fuse" != "xno"],
[PKG_CHECK_MODULES([FUSE],[fuse],
[AC_SUBST([FUSE_CFLAGS])
AC_SUBST([FUSE_LIBS])
AC_DEFINE([HAVE_FUSE],[1],[Define to 1 if you have FUSE.])
old_LIBS="$LIBS"
LIBS="$FUSE_LIBS $LIBS"
AC_CHECK_FUNCS([fuse_opt_add_opt_escaped])
LIBS="$old_LIBS"
],
[enable_fuse=no
AC_MSG_WARN([FUSE library and headers are missing, so optional FUSE module won't be built])
])
])
AM_CONDITIONAL([HAVE_FUSE],[test "x$enable_fuse" != "xno"])
[ https://github.com/libguestfs/libguestfs/blob/master/configure.ac#L744 ]
Is there any reason not to use PKG_CHECK_MODULES?
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
libguestfs lets you edit virtual machines. Supports shell scripting,
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