[Spice-devel] [spice-common] m4: Add compat AS_VAR_APPEND for older autoconf

[Jonathon Jongsma]

ACK


On Tue, 2015-06-30 at 16:43 +0200, Christophe Fergeau wrote:
> This causes failures on EL6 otherwise as autoconf is too old there.
> ---
>  configure.ac     | 4 ----
>  m4/spice-deps.m4 | 5 +++++
>  2 files changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 3a8c0e5..4287f92 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -12,10 +12,6 @@ AC_CONFIG_AUX_DIR([build-aux])
>  # For automake >= 1.12
>  m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
>  
> -# For autoconf <= 2.63
> -m4_ifndef([AS_VAR_APPEND],
> -          AC_DEFUN([AS_VAR_APPEND], $1=$$1$2))
> -
>  # Checks for programs
>  AM_INIT_AUTOMAKE([1.11 dist-xz no-dist-gzip tar-ustar foreign -Wall -Werror])
>  AM_MAINTAINER_MODE
> diff --git a/m4/spice-deps.m4 b/m4/spice-deps.m4
> index df35a92..68dec42 100644
> --- a/m4/spice-deps.m4
> +++ b/m4/spice-deps.m4
> @@ -1,3 +1,8 @@
> +# For autoconf < 2.63
> +m4_ifndef([AS_VAR_APPEND],
> +          AC_DEFUN([AS_VAR_APPEND], $1=$$1$2))
> +
> +
>  # SPICE_CHECK_SYSDEPS()
>  # ---------------------
>  # Checks for header files and library functions needed by spice-common.