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| author | Ali Saidi <saidi@eecs.umich.edu> | 2007-05-31 15:33:17 -0400 |
|---|---|---|
| committer | Ali Saidi <saidi@eecs.umich.edu> | 2007-05-31 15:33:17 -0400 |
| commit | 473bf1a66a3e89659fe46b547d380c65073a5e7c (patch) | |
| tree | 3f0353215edc33b0cfde1414caf0c4f1f693c915 /ext/libelf | |
| parent | 0193476ea790963884059c27d7fdd607a6f79019 (diff) | |
| download | gem5-473bf1a66a3e89659fe46b547d380c65073a5e7c.tar.xz | |
check that m4 is available before trying to use it
--HG--
extra : convert_revision : 8d4d75451fc003e3843e306008ad0632bbf0217a
Diffstat (limited to 'ext/libelf')
| -rw-r--r-- | ext/libelf/SConscript | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/ext/libelf/SConscript b/ext/libelf/SConscript index aebd0da85..d6f1e351b 100644 --- a/ext/libelf/SConscript +++ b/ext/libelf/SConscript @@ -92,11 +92,17 @@ if env.get('CC'): m4env['CC'] = env['CC'] if env.get('CXX'): m4env['CXX'] = env['CXX'] + # If we have gm4 use it if subprocess.Popen("gm4 --version", shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, close_fds=True).communicate()[0].find('GNU') >= 0: m4env['M4'] = 'gm4' +# Check that m4 is available +if not m4env.get('M4'): + print "Error: Can't find version of M4 macro processor. Please install M4 and try again." + Exit(1) + m4env.Append(M4FLAGS='-DSRCDIR=%s' % Dir('.').path) m4env['M4COM'] = '$M4 $M4FLAGS $SOURCES > $TARGET' m4env.M4(target=File('libelf_convert.c'), |