Updated autogenerated doc files

13 files changed, 137 insertions, 23 deletions

diff --git a/doc/generated/examples/caching_ex-random_1.xml b/doc/generated/examples/caching_ex-random_1.xml
index b751534..b8bd1bf 100644
--- a/doc/generated/examples/caching_ex-random_1.xml
+++ b/doc/generated/examples/caching_ex-random_1.xml
@@ -1,8 +1,8 @@
 <screen xmlns="http://www.scons.org/dbxsd/v1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.scons.org/dbxsd/v1.0 http://www.scons.org/dbxsd/v1.0/scons.xsd">% <userinput>scons -Q</userinput>
-cc -o f5.o -c f5.c
-cc -o f2.o -c f2.c
 cc -o f4.o -c f4.c
-cc -o f1.o -c f1.c
+cc -o f2.o -c f2.c
 cc -o f3.o -c f3.c
+cc -o f1.o -c f1.c
+cc -o f5.o -c f5.c
 cc -o prog f1.o f2.o f3.o f4.o f5.o
 </screen>
diff --git a/doc/generated/examples/depends_include_SConstruct b/doc/generated/examples/depends_include_SConstruct
index 2da2ecf..ec81661 100644
--- a/doc/generated/examples/depends_include_SConstruct
+++ b/doc/generated/examples/depends_include_SConstruct
@@ -1,3 +1,3 @@
 
-Program('hello.c', CPPPATH = '.')
+Program('hello.c', CPPPATH='.')
       
diff --git a/doc/generated/examples/depends_mixing_1.xml b/doc/generated/examples/depends_mixing_1.xml
index 64511e0..9e5ed3f 100644
--- a/doc/generated/examples/depends_mixing_1.xml
+++ b/doc/generated/examples/depends_mixing_1.xml
@@ -1,6 +1,6 @@
 <screen xmlns="http://www.scons.org/dbxsd/v1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.scons.org/dbxsd/v1.0 http://www.scons.org/dbxsd/v1.0/scons.xsd">% <userinput>scons -Q</userinput>
 cc -o program1.o -c -I. program1.c
-cc -o prog-MD5 program1.o
+cc -o prog-content program1.o
 cc -o program2.o -c -I. program2.c
 cc -o prog-timestamp program2.o
 % <userinput>touch inc.h</userinput>
diff --git a/doc/generated/examples/mergeflags_MergeFlags1_1.xml b/doc/generated/examples/mergeflags_MergeFlags1_1.xml
index 5985ec2..89cd499 100644
--- a/doc/generated/examples/mergeflags_MergeFlags1_1.xml
+++ b/doc/generated/examples/mergeflags_MergeFlags1_1.xml
@@ -1,4 +1,4 @@
 <screen xmlns="http://www.scons.org/dbxsd/v1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.scons.org/dbxsd/v1.0 http://www.scons.org/dbxsd/v1.0/scons.xsd">% <userinput>scons -Q</userinput>
-['-option', '-O1', '-whatever', '-O3']
+CCFLAGS: ['-option', '-O1', '-whatever', '-O3']
 scons: `.' is up to date.
 </screen>
diff --git a/doc/generated/examples/mergeflags_MergeFlags2_1.xml b/doc/generated/examples/mergeflags_MergeFlags2_1.xml
index 3ff1e5d..dcc5f56 100644
--- a/doc/generated/examples/mergeflags_MergeFlags2_1.xml
+++ b/doc/generated/examples/mergeflags_MergeFlags2_1.xml
@@ -1,4 +1,4 @@
 <screen xmlns="http://www.scons.org/dbxsd/v1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.scons.org/dbxsd/v1.0 http://www.scons.org/dbxsd/v1.0/scons.xsd">% <userinput>scons -Q</userinput>
-['/include', '/usr/local/include', '/usr/include', '/usr/opt/include']
+CPPPATH: ['/include', '/usr/local/include', '/usr/include', '/usr/opt/include']
 scons: `.' is up to date.
 </screen>
diff --git a/doc/generated/examples/mergeflags_MergeFlags3_1.xml b/doc/generated/examples/mergeflags_MergeFlags3_1.xml
index d0af8e2..d34efb9 100644
--- a/doc/generated/examples/mergeflags_MergeFlags3_1.xml
+++ b/doc/generated/examples/mergeflags_MergeFlags3_1.xml
@@ -1,5 +1,5 @@
 <screen xmlns="http://www.scons.org/dbxsd/v1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.scons.org/dbxsd/v1.0 http://www.scons.org/dbxsd/v1.0/scons.xsd">% <userinput>scons -Q</userinput>
-['-option', '-O1', '-whatever', '-O3']
-['/include', '/usr/local/include', '/usr/include', '/usr/opt/include']
+CCFLAGS: ['-option', '-O1', '-whatever', '-O3']
+CPPPATH: ['/include', '/usr/local/include', '/usr/include', '/usr/opt/include']
 scons: `.' is up to date.
 </screen>
diff --git a/doc/generated/examples/troubleshoot_Dump_1.xml b/doc/generated/examples/troubleshoot_Dump_1.xml
index 64ef1ab..6a0fa82 100644
--- a/doc/generated/examples/troubleshoot_Dump_1.xml
+++ b/doc/generated/examples/troubleshoot_Dump_1.xml
@@ -31,7 +31,7 @@ scons: Reading SConscript files ...
   'ENV': {'PATH': '/usr/local/bin:/opt/bin:/bin:/usr/bin:/snap/bin'},
   'ESCAPE': &lt;function escape at 0x700000&gt;,
   'File': &lt;SCons.Defaults.Variable_Method_Caller object at 0x700000&gt;,
-  'HOST_ARCH': 'x86_64',
+  'HOST_ARCH': 'arm64',
   'HOST_OS': 'posix',
   'IDLSUFFIXES': ['.idl', '.IDL'],
   'INSTALL': &lt;function copyFunc at 0x700000&gt;,
diff --git a/doc/generated/examples/troubleshoot_Dump_2.xml b/doc/generated/examples/troubleshoot_Dump_2.xml
index b7f0da6..c952602 100644
--- a/doc/generated/examples/troubleshoot_Dump_2.xml
+++ b/doc/generated/examples/troubleshoot_Dump_2.xml
@@ -10,6 +10,7 @@ scons: Reading SConscript files ...
                 '_InternalInstallVersionedLib': &lt;function InstallVersionedBuilderWrapper at 0x700000&gt;},
   'CC': 'cl',
   'CCCOM': &lt;SCons.Action.FunctionAction object at 0x700000&gt;,
+  'CCDEPFLAGS': '/showIncludes',
   'CCFLAGS': ['/nologo'],
   'CCPCHFLAGS': &lt;function gen_ccpchflags at 0x700000&gt;,
   'CCPDBFLAGS': ['${(PDB and "/Z7") or ""}'],
@@ -52,7 +53,7 @@ scons: Reading SConscript files ...
            'SystemRoot': 'C:\\WINDOWS'},
   'ESCAPE': &lt;function escape at 0x700000&gt;,
   'File': &lt;SCons.Defaults.Variable_Method_Caller object at 0x700000&gt;,
-  'HOST_ARCH': 'x86_64',
+  'HOST_ARCH': 'arm64',
   'HOST_OS': 'win32',
   'IDLSUFFIXES': ['.idl', '.IDL'],
   'INCPREFIX': '/I',
@@ -66,6 +67,7 @@ scons: Reading SConscript files ...
   'LIBSUFFIXES': ['$LIBSUFFIX'],
   'MAXLINELENGTH': 2048,
   'MSVC_SETUP_RUN': True,
+  'NINJA_DEPFILE_PARSE_FORMAT': 'msvc',
   'OBJPREFIX': '',
   'OBJSUFFIX': '.obj',
   'PCHCOM': '$CXX /Fo${TARGETS[1]} $CXXFLAGS $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS '
@@ -90,7 +92,7 @@ scons: Reading SConscript files ...
   'SHCXXCOM': '${TEMPFILE("$SHCXX $_MSVC_OUTPUT_FLAG /c $CHANGED_SOURCES '
               '$SHCXXFLAGS $SHCCFLAGS $_CCCOMCOM","$SHCXXCOMSTR")}',
   'SHCXXFLAGS': ['$CXXFLAGS'],
-  'SHELL': None,
+  'SHELL': 'command',
   'SHLIBPREFIX': '',
   'SHLIBSUFFIX': '.dll',
   'SHOBJPREFIX': '$OBJPREFIX',
diff --git a/doc/generated/examples/troubleshoot_explain1_3.xml b/doc/generated/examples/troubleshoot_explain1_3.xml
index bb5b21e..e658d89 100644
--- a/doc/generated/examples/troubleshoot_explain1_3.xml
+++ b/doc/generated/examples/troubleshoot_explain1_3.xml
@@ -2,5 +2,5 @@
 cp file.in file.oout
 
 scons: warning: Cannot find target file.out after building
-File "/home/bdeegan/devel/scons/git/as_scons/scripts/scons.py", line 98, in &lt;module&gt;
+File "/Users/bdbaddog/devel/scons/git/as_scons/scripts/scons.py", line 97, in &lt;module&gt;
 </screen>
diff --git a/doc/generated/examples/troubleshoot_stacktrace_2.xml b/doc/generated/examples/troubleshoot_stacktrace_2.xml
index 7c3cc36..7c471eb 100644
--- a/doc/generated/examples/troubleshoot_stacktrace_2.xml
+++ b/doc/generated/examples/troubleshoot_stacktrace_2.xml
@@ -3,7 +3,7 @@ scons: *** [prog.o] Source `prog.c' not found, needed by target `prog.o'.
 scons: internal stack trace:
   File "SCons/Job.py", line 203, in start
     task.prepare()
-  File "SCons/Script/Main.py", line 178, in prepare
+  File "SCons/Script/Main.py", line 180, in prepare
     return SCons.Taskmaster.OutOfDateTask.prepare(self)
   File "SCons/Taskmaster.py", line 186, in prepare
     executor.prepare()
diff --git a/doc/generated/tools.gen b/doc/generated/tools.gen
index 35ded17..f05b470 100644
--- a/doc/generated/tools.gen
+++ b/doc/generated/tools.gen
@@ -667,7 +667,7 @@ Sets construction variables for the D language compiler LDC2.
     <listitem><para>
 Sets construction variables for the &lex; lexical analyser.
 </para>
-<para>Sets: &cv-link-LEX;, &cv-link-LEXCOM;, &cv-link-LEXFLAGS;, &cv-link-LEXUNISTD;.</para><para>Uses: &cv-link-LEXCOMSTR;.</para></listitem>
+<para>Sets: &cv-link-LEX;, &cv-link-LEXCOM;, &cv-link-LEXFLAGS;, &cv-link-LEXUNISTD;.</para><para>Uses: &cv-link-LEXCOMSTR;, &cv-link-LEXFLAGS;, &cv-link-LEX_HEADER_FILE;, &cv-link-LEX_TABLES_FILE;.</para></listitem>
   </varlistentry>
   <varlistentry id="t-link">
     <term>link</term>
@@ -1097,7 +1097,7 @@ provides &b-POTUpdate; builder to make  <literal>PO</literal>
     <listitem><para>
 Sets construction variables for the &yacc; parse generator.
 </para>
-<para>Sets: &cv-link-YACC;, &cv-link-YACCCOM;, &cv-link-YACCFLAGS;, &cv-link-YACCHFILESUFFIX;, &cv-link-YACCHXXFILESUFFIX;, &cv-link-YACCVCGFILESUFFIX;.</para><para>Uses: &cv-link-YACCCOMSTR;.</para></listitem>
+<para>Sets: &cv-link-YACC;, &cv-link-YACCCOM;, &cv-link-YACCFLAGS;, &cv-link-YACCHFILESUFFIX;, &cv-link-YACCHXXFILESUFFIX;, &cv-link-YACCVCGFILESUFFIX;.</para><para>Uses: &cv-link-YACCCOMSTR;, &cv-link-YACCFLAGS;, &cv-link-YACC_GRAPH_FILE;, &cv-link-YACC_HEADER_FILE;.</para></listitem>
   </varlistentry>
   <varlistentry id="t-zip">
     <term>zip</term>
diff --git a/doc/generated/variables.gen b/doc/generated/variables.gen
index 533ea22..fdfa9bc 100644
--- a/doc/generated/variables.gen
+++ b/doc/generated/variables.gen
@@ -3926,6 +3926,31 @@ The lexical analyzer generator.
 </para>
 </listitem>
   </varlistentry>
+  <varlistentry id="cv-LEX_HEADER_FILE">
+    <term>
+      <envar>LEX_HEADER_FILE</envar>
+    </term>
+    <listitem><para>
+If supplied, generate a C header file with the name taken from this variable.
+Will be emitted as a <option>--header-file=</option>
+command-line option. Use this in preference to including
+<option>--header-file=</option> in &cv-link-LEXFLAGS; directly.
+</para>
+</listitem>
+  </varlistentry>
+  <varlistentry id="cv-LEX_TABLES_FILE">
+    <term>
+      <envar>LEX_TABLES_FILE</envar>
+    </term>
+    <listitem><para>
+If supplied, write the lex tables to a file with the name
+taken from this variable.
+Will be emitted as a <option>--tables-file=</option>
+command-line option. Use this in preference to including
+<option>--tables-file=</option> in &cv-link-LEXFLAGS; directly.
+</para>
+</listitem>
+  </varlistentry>
   <varlistentry id="cv-LEXCOM">
     <term>
       <envar>LEXCOM</envar>
@@ -3947,7 +3972,7 @@ If this is not set, then &cv-link-LEXCOM; (the command line) is displayed.
 </para>
 
 <example_commands>
-env = Environment(LEXCOMSTR = "Lex'ing $TARGET from $SOURCES")
+env = Environment(LEXCOMSTR="Lex'ing $TARGET from $SOURCES")
 </example_commands>
 </listitem>
   </varlistentry>
@@ -3957,6 +3982,20 @@ env = Environment(LEXCOMSTR = "Lex'ing $TARGET from $SOURCES")
     </term>
     <listitem><para>
 General options passed to the lexical analyzer generator.
+In addition to passing the value on during invocation,
+the &t-link-lex; tool also examines this &consvar; for options
+which cause additional output files to be generated,
+and adds those to the target list.
+Recognized for this purpose are GNU &flex; options
+<option>--header-file=</option> and
+<option>--tables-file=</option>;
+the output file is named by the option argument.
+</para>
+<para>
+Note that files specified by <option>--header-file=</option> and
+<option>--tables-file=</option> may not be properly handled
+by &SCons; in all situations. Consider using
+&cv-link-LEX_HEADER_FILE; and &cv-link-LEX_TABLES_FILE; instead.
 </para>
 </listitem>
   </varlistentry>
@@ -10032,6 +10071,31 @@ The parser generator.
 </para>
 </listitem>
   </varlistentry>
+  <varlistentry id="cv-YACC_GRAPH_FILE">
+    <term>
+      <envar>YACC_GRAPH_FILE</envar>
+    </term>
+    <listitem><para>
+If supplied, write a graph of the automaton to a file with the name
+taken from this variable.
+Will be emitted as a <option>--graph=</option>
+command-line option. Use this in preference to including
+<option>--graph=</option> in &cv-link-YACCFLAGS; directly.
+</para>
+</listitem>
+  </varlistentry>
+  <varlistentry id="cv-YACC_HEADER_FILE">
+    <term>
+      <envar>YACC_HEADER_FILE</envar>
+    </term>
+    <listitem><para>
+If supplied, generate a header file with the name taken from this variable.
+Will be emitted as a <option>--header=</option>
+command-line option. Use this in preference to including
+<option>--header=</option> in &cv-link-YACCFLAGS; directly.
+</para>
+</listitem>
+  </varlistentry>
   <varlistentry id="cv-YACCCOM">
     <term>
       <envar>YACCCOM</envar>
@@ -10053,7 +10117,7 @@ If this is not set, then &cv-link-YACCCOM; (the command line) is displayed.
 </para>
 
 <example_commands>
-env = Environment(YACCCOMSTR = "Yacc'ing $TARGET from $SOURCES")
+env = Environment(YACCCOMSTR="Yacc'ing $TARGET from $SOURCES")
 </example_commands>
 </listitem>
   </varlistentry>
@@ -10063,11 +10127,51 @@ env = Environment(YACCCOMSTR = "Yacc'ing $TARGET from $SOURCES")
     </term>
     <listitem><para>
 General options passed to the parser generator.
-If &cv-link-YACCFLAGS; contains a <option>-d</option> option,
-SCons assumes that the call will also create a .h file
-(if the yacc source file ends in a .y suffix)
-or a .hpp file
-(if the yacc source file ends in a .yy suffix)
+In addition to passing the value on during invocation,
+the &t-link-yacc; tool also examines this &consvar; for options
+which cause additional output files to be generated,
+and adds those to the target list.
+</para>
+
+<para>
+If a <option>-d</option> option is present,
+&scons; assumes that the call will also create a header file
+with the suffix defined by &cv-link-YACCHFILESUFFIX;
+if the yacc source file ends in a <filename>.y</filename> suffix,
+or a file with the suffix defined by &cv-link-YACCHXXFILESUFFIX;
+if the yacc source file ends in a <filename>.yy</filename> suffix.
+</para>
+
+<para>
+If a <option>-g</option> option is present,
+&scons; assumes that the call will also create a graph file
+with the suffix defined by &cv-link-YACCVCGFILESUFFIX;.
+</para>
+
+<para>
+If a <option>-v</option> option is present,
+&scons; assumes that the call will also create an output debug file
+with the suffix <filename>.output</filename>.
+</para>
+
+<para>
+Also recognized are GNU &bison; options
+<option>--header=</option> and its deprecated synonym
+<option>--defines=</option>,
+which is similar to
+<option>-d</option>
+but the output filename is named by the option argument;
+and <option>--graph=</option>,
+which is similar to
+<option>-g</option>
+but the output filename is named by the option argument.
+</para>
+
+<para>
+Note that files specified by <option>--header=</option> and
+<option>--graph=</option> may not be properly handled
+by &SCons; in all situations. Consider using
+&cv-link-YACC_HEADER_FILE; and &cv-link-YACC_GRAPH_FILE; instead.
 </para>
 </listitem>
   </varlistentry>
diff --git a/doc/generated/variables.mod b/doc/generated/variables.mod
index 5d89887..ceb58ac 100644
--- a/doc/generated/variables.mod
+++ b/doc/generated/variables.mod
@@ -267,6 +267,8 @@ THIS IS AN AUTOMATICALLY-GENERATED FILE.  DO NOT EDIT.
 <!ENTITY cv-_LDMODULEVERSIONFLAGS "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$_LDMODULEVERSIONFLAGS</envar>">
 <!ENTITY cv-LDMODULEVERSIONFLAGS "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$LDMODULEVERSIONFLAGS</envar>">
 <!ENTITY cv-LEX "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$LEX</envar>">
+<!ENTITY cv-LEX_HEADER_FILE "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$LEX_HEADER_FILE</envar>">
+<!ENTITY cv-LEX_TABLES_FILE "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$LEX_TABLES_FILE</envar>">
 <!ENTITY cv-LEXCOM "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$LEXCOM</envar>">
 <!ENTITY cv-LEXCOMSTR "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$LEXCOMSTR</envar>">
 <!ENTITY cv-LEXFLAGS "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$LEXFLAGS</envar>">
@@ -657,6 +659,8 @@ THIS IS AN AUTOMATICALLY-GENERATED FILE.  DO NOT EDIT.
 <!ENTITY cv-XGETTEXTPATHPREFIX "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$XGETTEXTPATHPREFIX</envar>">
 <!ENTITY cv-XGETTEXTPATHSUFFIX "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$XGETTEXTPATHSUFFIX</envar>">
 <!ENTITY cv-YACC "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$YACC</envar>">
+<!ENTITY cv-YACC_GRAPH_FILE "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$YACC_GRAPH_FILE</envar>">
+<!ENTITY cv-YACC_HEADER_FILE "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$YACC_HEADER_FILE</envar>">
 <!ENTITY cv-YACCCOM "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$YACCCOM</envar>">
 <!ENTITY cv-YACCCOMSTR "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$YACCCOMSTR</envar>">
 <!ENTITY cv-YACCFLAGS "<envar xmlns='http://www.scons.org/dbxsd/v1.0'>$YACCFLAGS</envar>">
@@ -937,6 +941,8 @@ THIS IS AN AUTOMATICALLY-GENERATED FILE.  DO NOT EDIT.
 <!ENTITY cv-link-_LDMODULEVERSIONFLAGS "<link linkend='cv-_LDMODULEVERSIONFLAGS' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$_LDMODULEVERSIONFLAGS</envar></link>">
 <!ENTITY cv-link-LDMODULEVERSIONFLAGS "<link linkend='cv-LDMODULEVERSIONFLAGS' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$LDMODULEVERSIONFLAGS</envar></link>">
 <!ENTITY cv-link-LEX "<link linkend='cv-LEX' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$LEX</envar></link>">
+<!ENTITY cv-link-LEX_HEADER_FILE "<link linkend='cv-LEX_HEADER_FILE' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$LEX_HEADER_FILE</envar></link>">
+<!ENTITY cv-link-LEX_TABLES_FILE "<link linkend='cv-LEX_TABLES_FILE' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$LEX_TABLES_FILE</envar></link>">
 <!ENTITY cv-link-LEXCOM "<link linkend='cv-LEXCOM' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$LEXCOM</envar></link>">
 <!ENTITY cv-link-LEXCOMSTR "<link linkend='cv-LEXCOMSTR' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$LEXCOMSTR</envar></link>">
 <!ENTITY cv-link-LEXFLAGS "<link linkend='cv-LEXFLAGS' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$LEXFLAGS</envar></link>">
@@ -1327,6 +1333,8 @@ THIS IS AN AUTOMATICALLY-GENERATED FILE.  DO NOT EDIT.
 <!ENTITY cv-link-XGETTEXTPATHPREFIX "<link linkend='cv-XGETTEXTPATHPREFIX' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$XGETTEXTPATHPREFIX</envar></link>">
 <!ENTITY cv-link-XGETTEXTPATHSUFFIX "<link linkend='cv-XGETTEXTPATHSUFFIX' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$XGETTEXTPATHSUFFIX</envar></link>">
 <!ENTITY cv-link-YACC "<link linkend='cv-YACC' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$YACC</envar></link>">
+<!ENTITY cv-link-YACC_GRAPH_FILE "<link linkend='cv-YACC_GRAPH_FILE' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$YACC_GRAPH_FILE</envar></link>">
+<!ENTITY cv-link-YACC_HEADER_FILE "<link linkend='cv-YACC_HEADER_FILE' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$YACC_HEADER_FILE</envar></link>">
 <!ENTITY cv-link-YACCCOM "<link linkend='cv-YACCCOM' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$YACCCOM</envar></link>">
 <!ENTITY cv-link-YACCCOMSTR "<link linkend='cv-YACCCOMSTR' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$YACCCOMSTR</envar></link>">
 <!ENTITY cv-link-YACCFLAGS "<link linkend='cv-YACCFLAGS' xmlns='http://www.scons.org/dbxsd/v1.0'><envar>$YACCFLAGS</envar></link>">