shithub: opus

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ref: 59c5a82e51b51cc71bd6105a97419f24b8f2d35f
parent: 9322362b1ba88aa1a0216bd7dea3c2fb1e5cdca9
author: Ralph Giles <[email protected]>
date: Thu Aug 16 07:39:56 EDT 2012

Move the release version string to version.mk.

Previously we defined the release version string in configure.ac,
and overrode that with 'git describe --tags' if possible. This
made it difficult for non-autoconf builds to set their version
string correctly.

Instead we create, and check into version control, a file called
version.mk which defines OPUS_VERSION. The configure script reads
that file and uses it as a fallback if the git revision isn't available.

The expectation is that version.mk will be manually updated for
releases, just as the previous configure.ac version was. However,
since this is a simpler format, it is easier for alternate build
systems to use, reducing the number of places which must be updated.

Also removes the OPUS_MINOR_VERSION, etc. defines from config.h.

--- a/Makefile.am
+++ b/Makefile.am
@@ -82,7 +82,8 @@
 opus_custom_demo_LDADD = libopus.la -lm
 endif
 
-EXTRA_DIST = opus.pc.in \
+EXTRA_DIST = version.mk \
+	     opus.pc.in \
              opus-uninstalled.pc.in \
              opus.sln \
              celt/celt.vcxproj \
--- a/configure.ac
+++ b/configure.ac
@@ -7,12 +7,25 @@
 dnl enable silent rules on automake 1.11 and later
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
-OPUS_MAJOR_VERSION=1
-OPUS_MINOR_VERSION=0
-OPUS_MICRO_VERSION=1
-OPUS_EXTRA_VERSION=-rc2
+# Read our default version string from version.mk.
+# Please update this file for releases.
+AC_MSG_CHECKING([version.mk])
+MK_VERSION=$(awk 'BEGIN { FS = "=" }
+                  /OPUS_VERSION/ { ver = $2}
+                  END {
+                        gsub(/"/, "", ver);
+                        gsub(/^ /, "", ver);
+                        gsub(/ $/, "", ver);
+                        print ver;
+                  }' $srcdir/version.mk)
+if test -z "$MK_VERSION"; then
+  AC_MSG_RESULT([no])
+else
+  AC_MSG_RESULT([$MK_VERSION])
+  OPUS_VERSION="$MK_VERSION"
+fi
 
-OPUS_VERSION="$OPUS_MAJOR_VERSION.$OPUS_MINOR_VERSION.$OPUS_MICRO_VERSION$OPUS_EXTRA_VERSION"
+# Override with the git version, if available.
 AC_MSG_CHECKING([git revision])
 GIT_VERSION=$(git describe --tags --match 'v*' 2>/dev/null | sed 's/^v//')
 if test -z "$GIT_VERSION"; then
@@ -22,21 +35,20 @@
   OPUS_VERSION="$GIT_VERSION"
 fi
 
+# Use 'unknown' if all else fails.
+if test -z "$OPUS_VERSION"; then
+  OPUS_VERSION="unknown"
+fi
+
 # For automake.
-VERSION=$OPUS_VERSION
 PACKAGE=opus
+VERSION=$OPUS_VERSION
 
-# For our version string.
+# For config.h.
 AC_SUBST(OPUS_VERSION)
 
-# For config.h
-AC_DEFINE_UNQUOTED(OPUS_VERSION, "${OPUS_VERSION}", [Complete version string])
-AC_DEFINE_UNQUOTED(OPUS_MAJOR_VERSION, ${OPUS_MAJOR_VERSION}, [Version major])
-AC_DEFINE_UNQUOTED(OPUS_MINOR_VERSION, ${OPUS_MINOR_VERSION}, [Version minor])
-AC_DEFINE_UNQUOTED(OPUS_MICRO_VERSION, ${OPUS_MICRO_VERSION}, [Version micro])
-AC_DEFINE_UNQUOTED(OPUS_EXTRA_VERSION, "${OPUS_EXTRA_VERSION}", [Version extra])
-
 # For libtool.
+dnl Please update these for releases.
 OPUS_LT_CURRENT=2
 OPUS_LT_REVISION=0
 OPUS_LT_AGE=2
--- /dev/null
+++ b/version.mk
@@ -1,0 +1,2 @@
+# static version string; update manually every release.
+OPUS_VERSION = "1.0.1-rc2"