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sysprof/m4/ax_generate_changelog.m4
Christian Hergert 29c4ec495f Land Sysprof 2.x
This is a major redesign a modernization of Sysprof. The core data
structures and design are largely the same, but it has been ported to
Gtk3 and has lots of additions that should make your profiling experience
smoother. Especially for those that are new to profiling.

There are some very simple help docs added, but we really need the
experts to come in and write some documentation here.
2016-04-13 05:24:03 -07:00

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# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_generate_changelog.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_GENERATE_CHANGELOG()
#
# DESCRIPTION
#
# Builds a rule for generating a ChangeLog file from version control
# system commit messages. Currently, the only supported VCS is git, but
# support for others could be added in future.
#
# Defines GENERATE_CHANGELOG_RULES which should be substituted in your
# Makefile.
#
# Usage example:
#
# configure.ac:
#
# AX_GENERATE_CHANGELOG
#
# Makefile.am:
#
# @GENERATE_CHANGELOG_RULES@
# CHANGELOG_START = 0.2.3^
# dist-hook: dist-ChangeLog
#
# ChangeLog (stub committed to VCS):
#
# The ChangeLog is auto-generated when releasing.
# If you are seeing this, use 'git log' for a detailed list of changes.
#
# This results in a "dist-ChangeLog" rule being added to the Makefile.
# When run, "dist-ChangeLog" will generate a ChangeLog in the
# $(top_distdir), using $(CHANGELOG_GIT_FLAGS) to format the output from
# "git log" being run in $(CHANGELOG_GIT_DIR).
#
# Unless Automake is initialised with the 'foreign' option, a dummy
# ChangeLog file must be committed to VCS in $(top_srcdir), containing the
# text above (for example). It will be substituted by the automatically
# generated ChangeLog during "make dist".
#
# LICENSE
#
# Copyright (c) 2015 David King <amigadave@amigadave.com>
# Copyright (c) 2015 Philip Withnall <philip.withnall@collabora.co.uk>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 1
AC_DEFUN([AX_GENERATE_CHANGELOG],[
# Find git, defaulting to the 'missing' script so the user gets a nice
# message if git is missing, rather than a plain 'command not found'.
AC_PATH_PROG([GIT],[git],[${am_missing_run}git])
AC_SUBST([GIT])
# Build the ChangeLog rules.
m4_pattern_allow([AM_V_GEN])
GENERATE_CHANGELOG_RULES='
# Generate ChangeLog
#
# Optional:
# - CHANGELOG_START: git commit ID or tag name to output changelogs from
# (exclusive). (Default: include all commits)
# - CHANGELOG_GIT_FLAGS: General flags to pass to git-log when generating the
# ChangeLog. (Default: various)
# - CHANGELOG_GIT_DIR: .git directory to use. (Default: $(top_srcdir)/.git)
# git-specific
CHANGELOG_GIT_FLAGS ?= --stat -M -C --name-status --no-color
CHANGELOG_GIT_DIR ?= $(top_srcdir)/.git
ifeq ($(CHANGELOG_START),)
CHANGELOG_GIT_RANGE =
else
CHANGELOG_GIT_RANGE = $(CHANGELOG_START)..
endif
# Generate a ChangeLog in $(top_distdir)
dist-ChangeLog:
$(AM_V_GEN)if $(GIT) \
--git-dir=$(CHANGELOG_GIT_DIR) --work-tree=$(top_srcdir) log \
$(CHANGELOG_GIT_FLAGS) $(CHANGELOG_GIT_RANGE) \
| fmt --split-only >.ChangeLog.tmp; \
then mv -f .ChangeLog.tmp "$(top_distdir)/ChangeLog"; \
else rm -f .ChangeLog.tmp; exit 1; fi
.PHONY: dist-ChangeLog
'
AC_SUBST([GENERATE_CHANGELOG_RULES])
m4_ifdef([_AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE([GENERATE_CHANGELOG_RULES])])
])