build: bump the version number for a new release

Also fix and document the versioning with meson.

Related #149

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Lepton Wu <lepton@chromium.org>

configure.ac

@@ -2,7 +2,7 @@ dnl Process this file with autoconf to create configure.
 
 AC_PREREQ([2.60])
 
-AC_INIT([virglrenderer], [0.8.0],
+AC_INIT([virglrenderer], [0.8.1],
     [virglrenderer-devel@lists.freedesktop.org])
 
 AC_ARG_ENABLE(autotools,

meson.build

@@ -30,9 +30,17 @@ project(
                       'warning_level=3', 'c_std=gnu11']
 )
 
+# To change only before doing a release:
+#
+# 1. Incrememnt the revision
+# 2. If the interface was changed in an compatible way increment the
+#    interface age
+# 3. If the ABI has changed in an incompatible way increment the binary_age
+#    and set revision and interface_age to zero
+
 binary_age    = 1
-revision      = 4
+interface_age = 4
-interface_age = 0
+revision      = 1
 
 cc = meson.get_compiler('c')
 

src/Makefile.am

@@ -57,7 +57,7 @@ endif
 lib_LTLIBRARIES = libvirglrenderer.la
 noinst_LTLIBRARIES = libvrend.la
 
-GM_LDFLAGS = -Wl,-Bsymbolic -version-number 1:4:0 -no-undefined
+GM_LDFLAGS = -Wl,-Bsymbolic -version-number 1:4:1 -no-undefined
 
 libvirglrenderer_la_SOURCES = virglrenderer.c
 libvirglrenderer_ladir = $(libdir)

src/meson.build

@@ -84,8 +84,8 @@ libvirglrenderer = shared_library(
    include_directories: [inc_gallium, inc_configuration],
    dependencies : virglrenderer_depends,
    version : binary_age.to_string() + '.'
-             + revision.to_string() + '.'
+             + interface_age.to_string() + '.'
-             + interface_age.to_string(),
+             + revision.to_string(),
    install : true
 )