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-rw-r--r--extras/softlink_libs.py76
1 files changed, 76 insertions, 0 deletions
diff --git a/extras/softlink_libs.py b/extras/softlink_libs.py
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--- /dev/null
+++ b/extras/softlink_libs.py
@@ -0,0 +1,76 @@
+#! /usr/bin/env python
+# per rosengren 2011
+
+from waflib.TaskGen import feature, after_method
+from waflib.Task import Task, always_run
+from os.path import basename, isabs
+from os import tmpfile, linesep
+
+def options(opt):
+ grp = opt.add_option_group('Softlink Libraries Options')
+ grp.add_option('--exclude', default='/usr/lib,/lib', help='No symbolic links are created for libs within [%default]')
+
+def configure(cnf):
+ cnf.find_program('ldd')
+ if not cnf.env.SOFTLINK_EXCLUDE:
+ cnf.env.SOFTLINK_EXCLUDE = cnf.options.exclude.split(',')
+
+@feature('softlink_libs')
+@after_method('process_rule')
+def add_finder(self):
+ tgt = self.path.find_or_declare(self.target)
+ self.create_task('sll_finder', tgt=tgt)
+ self.create_task('sll_installer', tgt=tgt)
+ always_run(sll_installer)
+
+class sll_finder(Task):
+ ext_out = 'softlink_libs'
+ def run(self):
+ bld = self.generator.bld
+ linked=[]
+ target_paths = []
+ for g in bld.groups:
+ for tgen in g:
+ # FIXME it might be better to check if there is a link_task (getattr?)
+ target_paths += [tgen.path.get_bld().bldpath()]
+ linked += [t.outputs[0].bldpath()
+ for t in getattr(tgen, 'tasks', [])
+ if t.__class__.__name__ in
+ ['cprogram', 'cshlib', 'cxxprogram', 'cxxshlib']]
+ lib_list = []
+ if len(linked):
+ cmd = [self.env.LDD] + linked
+ # FIXME add DYLD_LIBRARY_PATH+PATH for osx+win32
+ ldd_env = {'LD_LIBRARY_PATH': ':'.join(target_paths + self.env.LIBPATH)}
+ # FIXME the with syntax will not work in python 2
+ with tmpfile() as result:
+ self.exec_command(cmd, env=ldd_env, stdout=result)
+ result.seek(0)
+ for line in result.readlines():
+ words = line.split()
+ if len(words) < 3 or words[1] != '=>':
+ continue
+ lib = words[2]
+ if lib == 'not':
+ continue
+ if any([lib.startswith(p) for p in
+ [bld.bldnode.abspath(), '('] +
+ self.env.SOFTLINK_EXCLUDE]):
+ continue
+ if not isabs(lib):
+ continue
+ lib_list.append(lib)
+ lib_list = sorted(set(lib_list))
+ self.outputs[0].write(linesep.join(lib_list + self.env.DYNAMIC_LIBS))
+ return 0
+
+class sll_installer(Task):
+ ext_in = 'softlink_libs'
+ def run(self):
+ tgt = self.outputs[0]
+ self.generator.bld.install_files('${LIBDIR}', tgt, postpone=False)
+ lib_list=tgt.read().split()
+ for lib in lib_list:
+ self.generator.bld.symlink_as('${LIBDIR}/'+basename(lib), lib, postpone=False)
+ return 0
+