Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 61 insertions, 0 deletions

diff --git a/pidl/wscript b/pidl/wscript
new file mode 100644
index 0000000..01f8f5e
--- /dev/null
+++ b/pidl/wscript
@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+
+from waflib import Logs, Errors
+
+# This function checks if a perl module is installed on the system.
+def check_system_perl_module(conf, module, version=None):
+    module_check = module
+
+    # Create module string with version
+    if version:
+        module_check = module + ' ' + str(version)
+
+    # Check for system perl module
+    if conf.check_perl_module(module_check) is None:
+        return False
+
+    return True
+
+def options(opt):
+    return
+
+def configure(conf):
+    # Check if perl(Parse::Yapp::Driver) is available.
+    if not check_system_perl_module(conf,
+                                    "Parse::Yapp::Driver",
+                                    1.05):
+        raise Errors.WafError('perl module "Parse::Yapp::Driver" not found')
+
+    # yapp is used for building the parser
+    if not conf.find_program('yapp', var='YAPP'):
+        raise Errors.WafError('yapp not found')
+
+def build(bld):
+
+    # we want to prefer the git version of the parsers if we can.
+    # Only if the source has changed do we want to re-run yapp
+    # But we force the developer to use the pidl standalone build
+    # to regenerate the files.
+    # TODO: only warn in developer mode and if 'git diff HEAD'
+    #       shows a difference
+    warn_about_grammar_changes = ('PIDL_BUILD_WARNINGS' in bld.env and (
+        bld.IS_NEWER('idl.yp', 'lib/Parse/Pidl/IDL.pm') or
+        bld.IS_NEWER('expr.yp', 'lib/Parse/Pidl/Expr.pm')))
+
+    if warn_about_grammar_changes:
+        Logs.warn('''
+Pidl grammar files have changed. Please use the pidl standalone build
+to regenerate them with yapp.
+
+$ cd ../pidl
+$ perl Makefile.PL
+$ make lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm
+$ git add lib/Parse/Pidl/IDL.pm lib/Parse/Pidl/Expr.pm
+$ git commit
+$ cd -
+
+If you're 100% sure you haven't changed idl.yp and expr.yp
+try this to avoid this message:
+
+$ touch ../pidl/lib/Parse/Pidl/IDL.pm ../pidl/lib/Parse/Pidl/Expr.pm
+''')