PR preprocessor/7358
* c-opts.c (check_deps_environment_vars): Ignore main file
for SUNPRO_DEPENDENCIES.
* cppfiles.c (stack_include_file): Ignore main file if
appropriate.
* cpplib.h (struct cpp_options): New member in deps.
* doc/cppenv.texi: Update.
From-SVN: r56333
* doc/cpp.texi: Exclude entire Top node from printed manual.
Move option index after directive index. Insert page breaks
before GFDL and concept index. Index environment variables
with command line options.
* doc/cppenv.texi: Use @vtable for environment variable list.
Add paragraph explaining semantics of empty elements in path
variables. Exclude a cross-reference to Fishkill from the
manpage. Remove an unnecessary cross-reference of the entry
right above the referer. Don't use @anchor in text that goes
into manpage.
* doc/cppopts.texi: Cross-reference the environment variables
section, not the specific environment variable, for consistency.
From-SVN: r51365
* Makefile.in: Update.
doc:
* cppenv.texi, cppopts.texi: Split out of cpp.texi and gcc.texi.
Update documentation.
* gcc.texi: Include cppopts.texi and cppenv.texi.
* cpp.texi: Include cppopts.texi and cppenv.texi.
From-SVN: r50599
