Revert change

From-SVN: r221058

libgcc/ChangeLog

-2015-02-27  Kai Tietz  <ktietz@redhat.com>
-
-	PR target/65038
-	* config.in: Regenerated.
-	* configure: Likewise.
-	* configure.ac (AC_HEADER_STDC): Add explicit.
-	(AC_CHECK_HEADERS): Check for default headers
-	plus for ftw.h one.
-	* libgcov-util.c (gcov_read_profile_dir): Disable use
-	of ftw-function, if header not found.
-	(ftw_read_file): Don't translate if ftw header isn't
-	present.
-
 2015-02-23  Thomas Schwinge  <thomas@codesourcery.com>
 
 	PR target/65181

libgcc/config.in

@@ -3,9 +3,6 @@
 /* Define to 1 if the target assembler supports thread-local storage. */
 #undef HAVE_CC_TLS
 
-/* Define to 1 if you have the <ftw.h> header file. */
-#undef HAVE_FTW_H
-
 /* Define if _Unwind_GetIPInfo is available. */
 #undef HAVE_GETIPINFO
 

libgcc/configure.ac

@@ -47,12 +47,6 @@ AC_SUBST(libgcc_topdir)
 AC_CONFIG_AUX_DIR($libgcc_topdir)
 AC_CONFIG_HEADER(auto-target.h:config.in)
 
-AC_CHECK_HEADERS(inttypes.h \
-		 stdint.h stdlib.h \
-		 ftw.h unistd.h sys/stat.h sys/types.h \
-		 string.h strings.h memory.h)
-AC_HEADER_STDC
-
 AC_ARG_ENABLE(shared,
 [  --disable-shared        don't provide a shared libgcc],
 [

libgcc/libgcov-util.c

@@ -52,9 +52,7 @@ void gcov_set_verbose (void)
 
 #include "obstack.h"
 #include <unistd.h>
-#ifdef HAVE_FTW_H
 #include <ftw.h>
-#endif
 
 static void tag_function (unsigned, unsigned);
 static void tag_blocks (unsigned, unsigned);
@@ -382,7 +380,6 @@ read_gcda_file (const char *filename)
   return obj_info;
 }
 
-#ifdef HAVE_FTW_H
 /* This will be called by ftw(). It opens and read a gcda file FILENAME.
    Return a non-zero value to stop the tree walk.  */
 
@@ -420,7 +417,6 @@ ftw_read_file (const char *filename,
 
   return 0;
 }
-#endif
 
 /* Initializer for reading a profile dir.  */
 
@@ -455,9 +451,7 @@ gcov_read_profile_dir (const char* dir_name, int recompute_summary ATTRIBUTE_UNU
       fnotice (stderr, "%s is not a directory\n", dir_name);
       return NULL;
     }
-#ifdef HAVE_FTW_H
   ftw (".", ftw_read_file, 50);
-#endif
   ret = chdir (pwd);
   free (pwd);