Commit 8205ab3c by Nils Goroll

check for required perl modules

parent a26e7fa2
......@@ -37,6 +37,8 @@ PKG_PROG_PKG_CONFIG
AC_HEADER_STDC
AC_CHECK_HEADERS([sys/stdlib.h])
AX_PROG_PERL_MODULES([Crypt::RC4 Digest::MD5 MIME::Base64], ,
AC_MSG_ERROR([required perl module(s) missing]))
############################################################
## DCS specifics
......
# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_prog_perl_modules.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_PROG_PERL_MODULES([MODULES], [ACTION-IF-TRUE], [ACTION-IF-FALSE])
#
# DESCRIPTION
#
# Checks to see if the given perl modules are available. If true the shell
# commands in ACTION-IF-TRUE are executed. If not the shell commands in
# ACTION-IF-FALSE are run. Note if $PERL is not set (for example by
# calling AC_CHECK_PROG, or AC_PATH_PROG), AC_CHECK_PROG(PERL, perl, perl)
# will be run.
#
# MODULES is a space separated list of module names. To check for a
# minimum version of a module, append the version number to the module
# name, separated by an equals sign.
#
# Example:
#
# AX_PROG_PERL_MODULES( Text::Wrap Net::LDAP=1.0.3, ,
# AC_MSG_WARN(Need some Perl modules)
#
# LICENSE
#
# Copyright (c) 2009 Dean Povey <povey@wedgetail.com>
#
# 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 7
AU_ALIAS([AC_PROG_PERL_MODULES], [AX_PROG_PERL_MODULES])
AC_DEFUN([AX_PROG_PERL_MODULES],[dnl
m4_define([ax_perl_modules])
m4_foreach([ax_perl_module], m4_split(m4_normalize([$1])),
[
m4_append([ax_perl_modules],
[']m4_bpatsubst(ax_perl_module,=,[ ])[' ])
])
# Make sure we have perl
if test -z "$PERL"; then
AC_CHECK_PROG(PERL,perl,perl)
fi
if test "x$PERL" != x; then
ax_perl_modules_failed=0
for ax_perl_module in ax_perl_modules; do
AC_MSG_CHECKING(for perl module $ax_perl_module)
# Would be nice to log result here, but can't rely on autoconf internals
$PERL -e "use $ax_perl_module; exit" > /dev/null 2>&1
if test $? -ne 0; then
AC_MSG_RESULT(no);
ax_perl_modules_failed=1
else
AC_MSG_RESULT(ok);
fi
done
# Run optional shell commands
if test "$ax_perl_modules_failed" = 0; then
:
$2
else
:
$3
fi
else
AC_MSG_WARN(could not find perl)
fi])dnl
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