ref: f8e18fdeb01cdbd9530804077beed6cac38ef077
parent: f34a521eba46e811287fb4f35519fc32f0b6d4e8
author: Ralph Giles <giles@ghostscript.com>
date: Thu Oct 29 12:52:50 EDT 2009
Have the scons build automatically determine the version string. SConstruct tries to call 'git describe --tags' which produces a version string based on the most recent tag, with the number of commits and current commit hash appended if HEAD isn't a tagged revision. If that command fails (i.e. building from a release tarball or another version control system) it attempts to read the CHANGES file and uses the first version number there.
--- a/SConstruct
+++ b/SConstruct
@@ -1,8 +1,24 @@
# this is an SCons build specification file
+import os
+
+# try to get the version number from various local information
+version = os.popen('git describe --tags 2>/dev/null').read().strip()+if not version:
+ try:
+ for line in open('CHANGES'):+ words = line.split()
+ if len(words) > 1 and words[0].lower() == 'version':
+ version = words[1]
+ break
+ except IOError:
+ pass
+if not version:
+ version = 'unknown-version'
+
env = Environment(CPPDEFINES = {'HAVE_STDINT_H' : None,'PACKAGE' : '\\"jbig2dec\\"',
- 'VERSION' : '\\"0.11\\"',
+ 'VERSION' : '\\"'+version+'\\"',
'JBIG2_DEBUG' : None,
'JBIG2_HALFTONE' : None})
env.Append(CCFLAGS = ' -g -Wall')