Commit b846b3fa authored by Pranav Kant's avatar Pranav Kant
parent fb889a19
......@@ -15,6 +15,8 @@ m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
AM_INIT_AUTOMAKE([dist-xz no-dist-gzip serial-tests tar-ustar])
AM_MAINTAINER_MODE([enable])
AX_IS_RELEASE([git-directory])
AC_PROG_CC
AC_PROG_CC_C_O
AC_HEADER_STDC
......
# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_is_release.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_IS_RELEASE(POLICY)
#
# DESCRIPTION
#
# Determine whether the code is being configured as a release, or from
# git. Set the ax_is_release variable to 'yes' or 'no'.
#
# If building a release version, it is recommended that the configure
# script disable compiler errors and debug features, by conditionalising
# them on the ax_is_release variable. If building from git, these
# features should be enabled.
#
# The POLICY parameter specifies how ax_is_release is determined. It can
# take the following values:
#
# * git-directory: ax_is_release will be 'no' if a '.git' directory exists
# * minor-version: ax_is_release will be 'no' if the minor version number
# in $PACKAGE_VERSION is odd; this assumes
# $PACKAGE_VERSION follows the 'major.minor.micro' scheme
# * always: ax_is_release will always be 'yes'
# * never: ax_is_release will always be 'no'
#
# Other policies may be added in future.
#
# LICENSE
#
# Copyright (c) 2015 Philip Withnall <philip@tecnocode.co.uk>
#
# 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.
#serial 2
AC_DEFUN([AX_IS_RELEASE],[
AC_BEFORE([AC_INIT],[$0])
m4_case([$1],
[git-directory],[
# $is_release = (.git directory does not exist)
AS_IF([test -d .git],[ax_is_release=no],[ax_is_release=yes])
],
[minor-version],[
# $is_release = ($minor_version is even)
minor_version=`echo "$PACKAGE_VERSION" | sed 's/[[^.]][[^.]]*.\([[^.]][[^.]]*\).*/\1/'`
AS_IF([test "$(( $minor_version % 2 ))" -ne 0],
[ax_is_release=no],[ax_is_release=yes])
],
[always],[ax_is_release=yes],
[never],[ax_is_release=no],
[
AC_MSG_ERROR([Invalid policy. Valid policies: git-directory, minor-version.])
])
])
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