[Mesa-dev] [PATCH] build: require python module libxml2

Kenneth Graunke kenneth at whitecape.org
Fri Jan 18 10:30:23 PST 2013


On 01/18/2013 06:40 AM, Andreas Boll wrote:
> configure should warn if libxml2 is not found.
> libxml2 is needed by glapi/gen.
>
> Fixes error during build in src/mapi/glapi/gen:
> ImportError: No module named libxml2
>
> NOTE: This is a candidate for the 9.0 branch.
> ---
>   configure.ac           |    1 +
>   m4/ax_python_module.m4 |   49 ++++++++++++++++++++++++++++++++++++++++++++++++
>   2 files changed, 50 insertions(+)
>   create mode 100644 m4/ax_python_module.m4
>
> diff --git a/configure.ac b/configure.ac
> index 50b45e5..ff5c0e0 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -49,6 +49,7 @@ AM_PROG_CC_C_O
>   AM_PROG_AS
>   AC_CHECK_PROGS([MAKE], [gmake make])
>   AC_CHECK_PROGS([PYTHON2], [python2 python])
> +AX_PYTHON_MODULE([libxml2], [needed])
>   AC_PROG_SED
>   AC_PROG_MKDIR_P
>
> diff --git a/m4/ax_python_module.m4 b/m4/ax_python_module.m4
> new file mode 100644
> index 0000000..3afc404
> --- /dev/null
> +++ b/m4/ax_python_module.m4
> @@ -0,0 +1,49 @@
> +# ===========================================================================
> +#     http://www.gnu.org/software/autoconf-archive/ax_python_module.html
> +# ===========================================================================
> +#
> +# SYNOPSIS
> +#
> +#   AX_PYTHON_MODULE(modname[, fatal])
> +#
> +# DESCRIPTION
> +#
> +#   Checks for Python module.
> +#
> +#   If fatal is non-empty then absence of a module will trigger an error.
> +#
> +# LICENSE
> +#
> +#   Copyright (c) 2008 Andrew Collier
> +#
> +#   Copying and distribution of this file, with or without modification, are
> +#   permitted in any medium without royalty provided the copyright notice
> +#   and this notice are preserved. This file is offered as-is, without any
> +#   warranty.
> +
> +#serial 6
> +
> +AU_ALIAS([AC_PYTHON_MODULE], [AX_PYTHON_MODULE])
> +AC_DEFUN([AX_PYTHON_MODULE],[
> +    if test -z $PYTHON;
> +    then
> +        PYTHON="python"
> +    fi
> +    PYTHON_NAME=`basename $PYTHON`
> +    AC_MSG_CHECKING($PYTHON_NAME module: $1)
> +	$PYTHON -c "import $1" 2>/dev/null
> +	if test $? -eq 0;
> +	then
> +		AC_MSG_RESULT(yes)
> +		eval AS_TR_CPP(HAVE_PYMOD_$1)=yes
> +	else
> +		AC_MSG_RESULT(no)
> +		eval AS_TR_CPP(HAVE_PYMOD_$1)=no
> +		#
> +		if test -n "$2"
> +		then
> +			AC_MSG_ERROR(failed to find required module $1)
> +			exit 1
> +		fi
> +	fi
> +])

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>



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