5 files changed, 0 insertions, 40 deletions
diff --git a/libcpp/include/cpp-id-data.h b/libcpp/include/cpp-id-data.h
index d2adbfaebdf..a57edad521d 100644
--- a/libcpp/include/cpp-id-data.h
+++ b/libcpp/include/cpp-id-data.h
@@ -18,10 +18,6 @@ along with this program; see the file COPYING3.  If not see
 
 #include "cpplib.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 #if !defined (HAVE_UCHAR) && !defined (IN_GCC)
 typedef unsigned char uchar;
 #endif
@@ -83,7 +79,3 @@ struct GTY(()) cpp_macro {
      tokens.  */
   unsigned int extra_tokens : 1;
 };
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h
index d39b80e2a5a..71c7ef26351 100644
--- a/libcpp/include/cpplib.h
+++ b/libcpp/include/cpplib.h
@@ -28,10 +28,6 @@ along with this program; see the file COPYING3.  If not see
 #include "symtab.h"
 #include "line-map.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 typedef struct cpp_reader cpp_reader;
 typedef struct cpp_buffer cpp_buffer;
 typedef struct cpp_options cpp_options;
@@ -933,8 +929,4 @@ extern void cpp_prepare_state (cpp_reader *, struct save_macro_data **);
 extern int cpp_read_state (cpp_reader *, const char *, FILE *,
 			   struct save_macro_data *);
 
-#ifdef __cplusplus
-}
-#endif
-
 #endif /* ! LIBCPP_CPPLIB_H */
diff --git a/libcpp/include/line-map.h b/libcpp/include/line-map.h
index 09e72f14d4b..31ac8e5d4c3 100644
--- a/libcpp/include/line-map.h
+++ b/libcpp/include/line-map.h
@@ -23,10 +23,6 @@ along with this program; see the file COPYING3.  If not see
 #ifndef LIBCPP_LINE_MAP_H
 #define LIBCPP_LINE_MAP_H
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 #ifndef GTY
 #define GTY(x) /* nothing */
 #endif
@@ -191,8 +187,4 @@ extern const struct line_map *linemap_lookup
 extern source_location
 linemap_position_for_column (struct line_maps *set, unsigned int to_column);
 
-#ifdef __cplusplus
-}
-#endif
-
 #endif /* !LIBCPP_LINE_MAP_H  */
diff --git a/libcpp/include/mkdeps.h b/libcpp/include/mkdeps.h
index def7b5641f8..50bcee40726 100644
--- a/libcpp/include/mkdeps.h
+++ b/libcpp/include/mkdeps.h
@@ -23,10 +23,6 @@ along with this program; see the file COPYING3.  If not see
 #ifndef LIBCPP_MKDEPS_H
 #define LIBCPP_MKDEPS_H
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /* This is the data structure used by all the functions in mkdeps.c.
    It's quite straightforward, but should be treated as opaque.  */
 
@@ -80,8 +76,4 @@ extern int deps_restore (struct deps *, FILE *, const char *);
    automatic dependency schemes.  */
 extern void deps_phony_targets (const struct deps *, FILE *);
 
-#ifdef __cplusplus
-}
-#endif
-
 #endif /* ! LIBCPP_MKDEPS_H */
diff --git a/libcpp/include/symtab.h b/libcpp/include/symtab.h
index e1bc00cb6f6..ebb56007a03 100644
--- a/libcpp/include/symtab.h
+++ b/libcpp/include/symtab.h
@@ -21,10 +21,6 @@ along with this program; see the file COPYING3.  If not see
 
 #include "obstack.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 #ifndef GTY
 #define GTY(x) /* nothing */
 #endif
@@ -104,8 +100,4 @@ extern void ht_load (hash_table *ht, hashnode *entries,
 /* Dump allocation statistics to stderr.  */
 extern void ht_dump_statistics (hash_table *);
 
-#ifdef __cplusplus
-}
-#endif
-
 #endif /* LIBCPP_SYMTAB_H */