c-incpath.c (add_sysroot_to_chain): New.
* c-incpath.c (add_sysroot_to_chain): New. (merge_include_chains): Add sysroot argument. Call add_sysroot_to_chain if sysrooted. (register_include_chains): Update call to merge_include_chains. * doc/cppopts.texi: Document use of '=' in include directory arguments. From-SVN: r123134
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9a20062365
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@ -1,3 +1,12 @@
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2007-03-22 Joseph Myers <joseph@codesourcery.com>
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* c-incpath.c (add_sysroot_to_chain): New.
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(merge_include_chains): Add sysroot argument. Call
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add_sysroot_to_chain if sysrooted.
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(register_include_chains): Update call to merge_include_chains.
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* doc/cppopts.texi: Document use of '=' in include directory
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arguments.
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2007-03-22 Uros Bizjak <ubizjak@gmail.com>
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* config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
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@ -51,7 +51,8 @@ static const char dir_separator_str[] = { DIR_SEPARATOR, 0 };
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static void add_env_var_paths (const char *, int);
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static void add_standard_paths (const char *, const char *, const char *, int);
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static void free_path (struct cpp_dir *, int);
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static void merge_include_chains (cpp_reader *, int);
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static void merge_include_chains (const char *, cpp_reader *, int);
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static void add_sysroot_to_chain (const char *, int);
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static struct cpp_dir *remove_duplicates (cpp_reader *, struct cpp_dir *,
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struct cpp_dir *,
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struct cpp_dir *, int);
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@ -282,6 +283,19 @@ remove_duplicates (cpp_reader *pfile, struct cpp_dir *head,
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return head;
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}
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/* Add SYSROOT to any user-supplied paths in CHAIN starting with
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"=". */
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static void
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add_sysroot_to_chain (const char *sysroot, int chain)
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{
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struct cpp_dir *p;
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for (p = heads[chain]; p != NULL; p = p->next)
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if (p->name[0] == '=' && p->user_supplied_p)
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p->name = concat (sysroot, p->name + 1, NULL);
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}
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/* Merge the four include chains together in the order quote, bracket,
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system, after. Remove duplicate dirs (as determined by
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INO_T_EQ()).
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@ -293,8 +307,17 @@ remove_duplicates (cpp_reader *pfile, struct cpp_dir *head,
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written -iquote bar -Ifoo -Iquux. */
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static void
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merge_include_chains (cpp_reader *pfile, int verbose)
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merge_include_chains (const char *sysroot, cpp_reader *pfile, int verbose)
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{
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/* Add the sysroot to user-supplied paths starting with "=". */
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if (sysroot)
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{
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add_sysroot_to_chain (sysroot, QUOTE);
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add_sysroot_to_chain (sysroot, BRACKET);
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add_sysroot_to_chain (sysroot, SYSTEM);
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add_sysroot_to_chain (sysroot, AFTER);
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}
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/* Join the SYSTEM and AFTER chains. Remove duplicates in the
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resulting SYSTEM chain. */
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if (heads[SYSTEM])
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@ -419,7 +442,7 @@ register_include_chains (cpp_reader *pfile, const char *sysroot,
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target_c_incpath.extra_includes (sysroot, iprefix, stdinc);
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merge_include_chains (pfile, verbose);
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merge_include_chains (sysroot, pfile, verbose);
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cpp_set_include_chains (pfile, heads[QUOTE], heads[BRACKET],
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quote_ignores_source_dir);
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@ -65,6 +65,8 @@ of system headers are not defeated
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(@pxref{System Headers})
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@end ifset
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.
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If @var{dir} begins with @code{=}, then the @code{=} will be replaced
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by the sysroot prefix; see @option{--sysroot} and @option{-isysroot}.
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@item -o @var{file}
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@opindex o
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@ -464,6 +466,8 @@ specified by @option{-include}.
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Search @var{dir} for header files, but do it @emph{after} all
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directories specified with @option{-I} and the standard system directories
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have been exhausted. @var{dir} is treated as a system include directory.
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If @var{dir} begins with @code{=}, then the @code{=} will be replaced
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by the sysroot prefix; see @option{--sysroot} and @option{-isysroot}.
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@item -iprefix @var{prefix}
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@opindex iprefix
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@ -499,6 +503,8 @@ is applied to the standard system directories.
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@ifset cppmanual
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@xref{System Headers}.
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@end ifset
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If @var{dir} begins with @code{=}, then the @code{=} will be replaced
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by the sysroot prefix; see @option{--sysroot} and @option{-isysroot}.
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@item -iquote @var{dir}
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@opindex iquote
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@ -509,6 +515,8 @@ Search @var{dir} only for header files requested with
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@ifset cppmanual
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@xref{Search Path}.
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@end ifset
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If @var{dir} begins with @code{=}, then the @code{=} will be replaced
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by the sysroot prefix; see @option{--sysroot} and @option{-isysroot}.
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@item -fdollars-in-identifiers
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@opindex fdollars-in-identifiers
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