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authorJoseph Myers <joseph@codesourcery.com>2006-01-20 21:00:03 +0000
committerJoseph Myers <jsm28@gcc.gnu.org>2006-01-20 21:00:03 +0000
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treef48eda30525ee2ab01e82568bb55e5e407a8a604 /gcc/doc/cppopts.texi
parent6018b746be62c693c34c10e760172d34a1dfc4f9 (diff)
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re PR libstdc++/25524 (libstdc++ headers should go in multilib directories)
PR libstdc++/25524 * cppdefault.h (struct default_include): Add multilib flag. * cppdefault.c (cpp_include_defaults): Set it. * c.opt (-imultilib): New option. * c-opts.c (imultilib): New. (c_common_handle_option): Handle -imultilib. (c_common_post_options): Likewise. * c-incpath.c (add_standard_paths, register_include_chains): Likewise. * c-incpath.h (register_include_chains): Add extra parameter. * gcc.c (do_spec_1): Generate -imultilib option. (The Specs Language): Update %I description. (process_command): Update copyright notice. * doc/cppopts.texi (-imultilib): Document. * doc/invoke.texi (-imultilib): Include in option summary. (%I): Update specs documentation. libstdc++-v3: * include/Makefile.am: Install host-specific headers in multilib subdirectory. * include/Makefile.in: Regenerate. From-SVN: r110037
Diffstat (limited to 'gcc/doc/cppopts.texi')
-rw-r--r--gcc/doc/cppopts.texi7
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/doc/cppopts.texi b/gcc/doc/cppopts.texi
index adf77e1..06ca0b9 100644
--- a/gcc/doc/cppopts.texi
+++ b/gcc/doc/cppopts.texi
@@ -1,4 +1,4 @@
-@c Copyright (c) 1999, 2000, 2001, 2002, 2003, 2004, 2005
+@c Copyright (c) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
@c Free Software Foundation, Inc.
@c This is part of the CPP and GCC manuals.
@c For copying conditions, see the file gcc.texi.
@@ -483,6 +483,11 @@ would; @option{-iwithprefix} puts it where @option{-idirafter} would.
This option is like the @option{--sysroot} option, but applies only to
header files. See the @option{--sysroot} option for more information.
+@item -imultilib @var{dir}
+@opindex imultilib
+Use @var{dir} as a subdirectory of the directory containing
+target-specific C++ headers.
+
@item -isystem @var{dir}
@opindex isystem
Search @var{dir} for header files, after all directories specified by