avoid __extension__ with clang

It seems useless and triggers 'error: expected external declaration'

8 files changed, 12 insertions, 12 deletions

diff --git a/include/poll.h b/include/poll.h
index 8d0d4da..da0ffcc 100644
--- a/include/poll.h
+++ b/include/poll.h
@@ -16,7 +16,7 @@
 #ifndef _FORTIFY_POLL_H
 #define _FORTIFY_POLL_H
 
-#ifndef __cplusplus
+#if !defined(__cplusplus) && !defined(__clang__)
 __extension__
 #endif
 #include_next <poll.h>
diff --git a/include/stdio.h b/include/stdio.h
index 1eb20be..e060f64 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -16,7 +16,7 @@
 #ifndef _FORTIFY_STDIO_H
 #define _FORTIFY_STDIO_H
 
-#ifndef __cplusplus
+#if !defined(__cplusplus) && !defined(__clang__)
 __extension__
 #endif
 #include_next <stdio.h>
diff --git a/include/stdlib.h b/include/stdlib.h
index 8642e83..bc93b60 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -16,14 +16,14 @@
 #ifndef _FORTIFY_STDLIB_H
 #define _FORTIFY_STDLIB_H
 
-#ifndef __cplusplus
+#if !defined(__cplusplus) && !defined(__clang__)
 __extension__
 #endif
 #include_next <stdlib.h>
 
 #if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0
 #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#ifndef __cplusplus
+#if !defined(__cplusplus) && !defined(__clang__)
 __extension__
 #endif
 #include_next <limits.h>
diff --git a/include/string.h b/include/string.h
index f08eb4c..f9f6701 100644
--- a/include/string.h
+++ b/include/string.h
@@ -16,7 +16,7 @@
 #ifndef _FORTIFY_STRING_H
 #define _FORTIFY_STRING_H
 
-#ifndef __cplusplus
+#if !defined(__cplusplus) && !defined(__clang__)
 __extension__
 #endif
 #include_next <string.h>
diff --git a/include/sys/select.h b/include/sys/select.h
index 1f19672..1a5afbe 100644
--- a/include/sys/select.h
+++ b/include/sys/select.h
@@ -16,7 +16,7 @@
 #ifndef _FORTIFY_SYS_SELECT_H
 #define _FORTIFY_SYS_SELECT_H
 
-#ifndef __cplusplus
+#if !defined(__cplusplus) && !defined(__clang__)
 __extension__
 #endif
 #include_next <sys/select.h>
diff --git a/include/sys/socket.h b/include/sys/socket.h
index 21a3cf1..604d65a 100644
--- a/include/sys/socket.h
+++ b/include/sys/socket.h
@@ -16,7 +16,7 @@
 #ifndef _FORTIFY_SYS_SOCKET_H
 #define _FORTIFY_SYS_SOCKET_H
 
-#ifndef __cplusplus
+#if !defined(__cplusplus) && !defined(__clang__)
 __extension__
 #endif
 #include_next <sys/socket.h>
diff --git a/include/unistd.h b/include/unistd.h
index 1b89251..818adaa 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -16,7 +16,7 @@
 #ifndef _FORTIFY_UNISTD_H
 #define _FORTIFY_UNISTD_H
 
-#ifndef __cplusplus
+#if !defined(__cplusplus) && !defined(__clang__)
 __extension__
 #endif
 #include_next <unistd.h>
diff --git a/include/wchar.h b/include/wchar.h
index 0fba370..4f25b0c 100644
--- a/include/wchar.h
+++ b/include/wchar.h
@@ -16,19 +16,19 @@
 #ifndef _FORTIFY_WCHAR_H
 #define _FORTIFY_WCHAR_H
 
-#ifndef __cplusplus
+#if !defined(__cplusplus) && !defined(__clang__)
 __extension__
 #endif
 #include_next <limits.h>
-#ifndef __cplusplus
+#if !defined(__cplusplus) && !defined(__clang__)
 __extension__
 #endif
 #include_next <stdlib.h>
-#ifndef __cplusplus
+#if !defined(__cplusplus) && !defined(__clang__)
 __extension__
 #endif
 #include_next <string.h>
-#ifndef __cplusplus
+#if !defined(__cplusplus) && !defined(__clang__)
 __extension__
 #endif
 #include_next <wchar.h>