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flex: create variant +lex that creates symlinks for lex and libl.{a,so} (#3894)

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* flex: create variant +lex that creates symlinks for lex and libl.{a,so}

* flex: enable variant +lex by default

* flex: use dso_suffix for portability; replace repetitive code with a loop
This commit is contained in:
Milton Woods 2017-05-21 23:33:34 +10:00 committed by Adam J. Stewart
parent e4a3295c37
commit ca2755d532
1 changed files with 17 additions and 0 deletions
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17
var/spack/repos/builtin/packages/flex/package.py
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@ -23,6 +23,7 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##############################################################################
from spack import *
import os
class Flex(AutotoolsPackage):
@ -39,6 +40,9 @@ class Flex(AutotoolsPackage):
version('2.6.0', '760be2ee9433e822b6eb65318311c19d')
version('2.5.39', '5865e76ac69c05699f476515592750d7')
variant('lex', default=True,
description="Provide symlinks for lex and libl")
depends_on('bison', type='build')
depends_on('gettext@0.19:', type='build')
depends_on('help2man', type='build')
@ -61,3 +65,16 @@ def url_for_version(self, version):
url += "/archive/flex-{0}.tar.gz".format(version.dashed)
return url
@run_after('install')
def symlink_lex(self):
if self.spec.satisfies('+lex'):
dso = dso_suffix
for dir, flex, lex in \
((self.prefix.bin, 'flex', 'lex'),
(self.prefix.lib, 'libfl.a', 'libl.a'),
(self.prefix.lib, 'libfl.' + dso, 'libl.' + dso)):
with working_dir(dir):
if (os.path.isfile(flex) and not
os.path.lexists(lex)):
symlink(flex, lex)