Update upstream source from tag 'upstream/3.0.5'

Update to upstream version '3.0.5'
with Debian dir 03c2cf71b97fe65fcfd82c7f4a3862fe2b35614d

1 files changed, 19 insertions, 4 deletions

diff --git a/doc/generated/functions.gen b/doc/generated/functions.gen
index 79a83c6..9fc9d4b 100644
--- a/doc/generated/functions.gen
+++ b/doc/generated/functions.gen
@@ -1197,6 +1197,10 @@ Multiple calls to
 <function xmlns="http://www.scons.org/dbxsd/v1.0">Default</function>
 are legal,
 and add to the list of default targets.
+As noted above, both forms of this call affect the
+same global list of default targets; the
+construction environment method applies
+construction variable expansion to the targets.
 </para>
 
 <para xmlns="http://www.scons.org/dbxsd/v1.0">
@@ -3523,16 +3527,16 @@ below, for a complete explanation of the arguments and behavior.
   </varlistentry>
   <varlistentry id="f-SConscript">
     <term>
-      <literal>SConscript(scripts, [exports, variant_dir, duplicate])</literal>
+      <literal>SConscript(scripts, [exports, variant_dir, duplicate, must_exist])</literal>
     </term>
     <term>
-      <literal>env.SConscript(scripts, [exports, variant_dir, duplicate])</literal>
+      <literal>env.SConscript(scripts, [exports, variant_dir, duplicate, must_exist])</literal>
     </term>
     <term>
-      <literal>SConscript(dirs=subdirs, [name=script, exports, variant_dir, duplicate])</literal>
+      <literal>SConscript(dirs=subdirs, [name=script, exports, variant_dir, duplicate, must_exist])</literal>
     </term>
     <term>
-      <literal>env.SConscript(dirs=subdirs, [name=script, exports, variant_dir, duplicate])</literal>
+      <literal>env.SConscript(dirs=subdirs, [name=script, exports, variant_dir, duplicate, must_exist])</literal>
     </term>
     <listitem>
 <para xmlns="http://www.scons.org/dbxsd/v1.0">
@@ -3734,6 +3738,17 @@ TODO??? SConscript('build/SConscript', src_dir='src')
 </para>
 
 <para xmlns="http://www.scons.org/dbxsd/v1.0">
+The optional
+<varname>must_exist</varname>
+argument, if true, causes an exception to be raised if a requested
+<filename xmlns="http://www.scons.org/dbxsd/v1.0">SConscript</filename> file is not found. The current default is false,
+causing only a warning to be omitted, but this behavior is deprecated.
+For scripts which truly intend to be optional, transition to
+explicty supplying
+<literal>must_exist=False</literal> to the call.
+</para>
+
+<para xmlns="http://www.scons.org/dbxsd/v1.0">
 Here are some composite examples:
 </para>