[geocode-glib] build: Port to using AX_GENERATE_CHANGELOG for the ChangeLog

[Philip Withnall <pwithnall src gnome org>]

commit 2d2c6466a3ed5d1e9932fb939fb9e31bb9403c91
Author: Philip Withnall <withnall endlessm com>
Date:   Wed Jan 25 13:48:29 2017 +0000

    build: Port to using AX_GENERATE_CHANGELOG for the ChangeLog
    
    This fixes `make dist` with builddir ≠ srcdir.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=777744

 ChangeLog    |    2 ++
 Makefile.am  |   13 +++----------
 configure.ac |    3 +++
 3 files changed, 8 insertions(+), 10 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
new file mode 100644
index 0000000..92bcb9b
--- /dev/null
+++ b/ChangeLog
@@ -0,0 +1,2 @@
+The ChangeLog is auto-generated when releasing.
+If you are seeing this, use 'git log' for a detailed list of changes.
diff --git a/Makefile.am b/Makefile.am
index 1cf4ce7..722a2ce 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -39,15 +39,8 @@ MAINTAINERCLEANFILES = \
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = geocode-glib-1.0.pc
 
-# Build ChangeLog from GIT history
-ChangeLog:
-       @if test -f $(top_srcdir)/.git/HEAD; then \
-               git log --stat > $@; \
-       fi
-
-dist: ChangeLog
-
-.PHONY: ChangeLog
-
+# Build ChangeLog from git history
+@GENERATE_CHANGELOG_RULES@
+dist-hook: dist-ChangeLog
 
 -include $(top_srcdir)/git.mk
diff --git a/configure.ac b/configure.ac
index 7e5fa46..cac9fa9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -98,6 +98,9 @@ AM_CONDITIONAL([ENABLE_INSTALLED_TESTS],
                [test "$enable_installed_tests" = "yes"])
 AC_SUBST([ENABLE_INSTALLED_TESTS],[$enable_installed_tests])
 
+# Changelog generation
+AX_GENERATE_CHANGELOG
+
 AC_CONFIG_FILES([
           Makefile
          geocode-glib-1.0.pc