Add framework support for darwin.

	* c-incpath.c: Include target.h and machmode.h.
	(add_path): Use a consistent style for cpp_dir.  Initialize
	p->construct to 0.
	(add_cpp_dir_path): New.
	(register_include_chains): Add use of extra_includes callback.
	(hook_void_int): Add.
	(target_c_incpath): Add.
	* c-incpath.h (add_cpp_dir_path): New.
	(target_c_incpath_s): Add.
	(target_c_incpath): Add.
	(C_INCPATH_INIT): Add.
	* c-opts.c (c_common_missing_argument,
	c_common_handle_option): Add -F argument processing.
	* c.opt: Add -F argument processing.
	* gcc.c (trad_capable_cpp): Add -F argument processing.
	* cppfiles.c (find_file_in_dir): Update to use construct
	callback.
	(search_path_exhausted, cpp_get_path, cpp_get_buffer,
	cpp_get_prev): New.
	(_cpp_find_file): Use search_path_exhausted.
	(make_cpp_dir): Initialize construct to 0.
	* cpplib.h (missing_header_cb
	cpp_get_path, cpp_get_buffer, cpp_get_file, cpp_get_prev): New.
	(cpp_callbacks): Add missing_header
	(cpp_dir): Add construct.
	* target-def.h: (TARGET_OPTF): New.
	* hooks.c (hook_void_int, hook_void_charptr): Add.
	* hooks.h (hook_void_int, hook_void_charptr): Add.
	* Makefile.in (c-incpath.o) : Add $(TARGET_H) and
	$(MACHMODE_H) dependencies.
	* doc/invoke.texi (Darwin Options): Document -F.
	* doc/tm.texi (TARGET_EXTRA_INCLUDES): Add.
	(TARGET_OPTF): Add.
	* fix-header.c (target_c_incpath): Add.

	* config/darwin-c.c: Add c-incpath.h include.
	(using_frameworks, find_subframework_file,
	find_subframework_header, add_system_framework_path,
	frameworks_in_use, num_frameworks, max_frameworks,
	add_framework, find_framework, struct framework_header,
	framework_header_dirs, framework_construct_pathname,
	find_subframework_file, add_system_framework_path,
	add_framework_path, framework_defaults,
	darwin_register_frameworks, find_subframework_header): Add.
	* config/darwin.h (TARGET_EXTRA_INCLUDES, TARGET_OPTF): New.
	(TARGET_OPTION_TRANSLATE_TABLE): Add -framework support.
	(CPP_SPEC): Add __APPLE_CC__ support.
	* t-darwin (darwin-c.o): Add c-incpath.h dependency.

From-SVN: r78875

1 files changed, 25 insertions, 2 deletions

diff --git a/gcc/c-incpath.c b/gcc/c-incpath.c
index 7b08c1a12a3..7f6cbdf63f0 100644
--- a/gcc/c-incpath.c
+++ b/gcc/c-incpath.c
@@ -21,6 +21,8 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
+#include "machmode.h"
+#include "target.h"
 #include "tm.h"
 #include "cpplib.h"
 #include "prefix.h"
@@ -298,20 +300,33 @@ split_quote_chain (void)
   quote_ignores_source_dir = true;
 }
 
+/* Add P to the chain specified by CHAIN.  */
+
+void
+add_cpp_dir_path (cpp_dir *p, int chain)
+{
+  if (tails[chain])
+    tails[chain]->next = p;
+  else
+    heads[chain] = p;
+  tails[chain] = p;
+}
+
 /* Add PATH to the include chain CHAIN. PATH must be malloc-ed and
    NUL-terminated.  */
 void
 add_path (char *path, int chain, int cxx_aware)
 {
-  struct cpp_dir *p;
+  cpp_dir *p;
 
-  p = xmalloc (sizeof (struct cpp_dir));
+  p = xmalloc (sizeof (cpp_dir));
   p->next = NULL;
   p->name = path;
   if (chain == SYSTEM || chain == AFTER)
     p->sysp = 1 + !cxx_aware;
   else
     p->sysp = 0;
+  p->construct = 0;
 
   if (tails[chain])
     tails[chain]->next = p;
@@ -347,8 +362,16 @@ register_include_chains (cpp_reader *pfile, const char *sysroot,
   if (stdinc)
     add_standard_paths (sysroot, iprefix, cxx_stdinc);
 
+  target_c_incpath.extra_includes (stdinc);
+
   merge_include_chains (pfile, verbose);
 
   cpp_set_include_chains (pfile, heads[QUOTE], heads[BRACKET],
 			  quote_ignores_source_dir);
 }
+
+#ifndef TARGET_EXTRA_INCLUDES
+static void hook_void_int(int u ATTRIBUTE_UNUSED) { }
+
+struct target_c_incpath_s target_c_incpath = { hook_void_int };
+#endif