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crosstool-ng/packages/gcc/11.2.0/0004-Remove-use-of-include_next-from-c-headers.patch
Alexey Brodkin 24a1f120d7 gcc: Refresh patches of GCC 11.2.0 
As simple as: ./maintainer/manage-packages.sh --update-patches --select gcc-11.2.0

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
2021-09-15 01:18:45 -07:00

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From 9db1164d68ee1da7434af48db4f828d7df51b055 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Sun, 24 Jan 2021 14:20:33 -0800
Subject: [PATCH] Remove use of include_next from c++ headers
Using include_next bypasses the default header search path and lets
files later in the include path take priority over earlier files.
This makes replacing libc impossible as the default libc headers will
occur after the libstdc++ headers, and so be picked up in place of
headers inserted at the begining of the search path or appended to the
end of the search path.
Using include_next is a hack to work-around broken combinations of
libraries, and is not necessary in a well constructed toolchain.
Signed-off-by: Keith Packard <keithp@keithp.com>
---
libstdc++-v3/include/bits/std_abs.h | 4 ++--
libstdc++-v3/include/c/cassert | 2 +-
libstdc++-v3/include/c/cctype | 2 +-
libstdc++-v3/include/c/cerrno | 2 +-
libstdc++-v3/include/c/cfloat | 2 +-
libstdc++-v3/include/c/climits | 2 +-
libstdc++-v3/include/c/clocale | 2 +-
libstdc++-v3/include/c/cmath | 2 +-
libstdc++-v3/include/c/csetjmp | 2 +-
libstdc++-v3/include/c/csignal | 2 +-
libstdc++-v3/include/c/cstdarg | 2 +-
libstdc++-v3/include/c/cstddef | 2 +-
libstdc++-v3/include/c/cstdio | 2 +-
libstdc++-v3/include/c/cstdlib | 2 +-
libstdc++-v3/include/c/cstring | 2 +-
libstdc++-v3/include/c/ctime | 2 +-
libstdc++-v3/include/c/cuchar | 2 +-
libstdc++-v3/include/c/cwchar | 2 +-
libstdc++-v3/include/c/cwctype | 2 +-
libstdc++-v3/include/c_global/cmath | 2 +-
libstdc++-v3/include/c_global/cstdlib | 2 +-
21 files changed, 22 insertions(+), 22 deletions(-)
--- a/libstdc++-v3/include/bits/std_abs.h
+++ b/libstdc++-v3/include/bits/std_abs.h
@@ -35,9 +35,9 @@
#include <bits/c++config.h>
#define _GLIBCXX_INCLUDE_NEXT_C_HEADERS
-#include_next <stdlib.h>
+#include <stdlib.h>
#ifdef __CORRECT_ISO_CPP_MATH_H_PROTO
-# include_next <math.h>
+# include <math.h>
#endif
#undef _GLIBCXX_INCLUDE_NEXT_C_HEADERS
--- a/libstdc++-v3/include/c/cassert
+++ b/libstdc++-v3/include/c/cassert
@@ -31,4 +31,4 @@
#pragma GCC system_header
#include <bits/c++config.h>
-#include_next <assert.h>
+#include <assert.h>
--- a/libstdc++-v3/include/c/cctype
+++ b/libstdc++-v3/include/c/cctype
@@ -31,6 +31,6 @@
#pragma GCC system_header
-#include_next <ctype.h>
+#include <ctype.h>
#endif
--- a/libstdc++-v3/include/c/cerrno
+++ b/libstdc++-v3/include/c/cerrno
@@ -41,7 +41,7 @@
#pragma GCC system_header
#include <bits/c++config.h>
-#include_next <errno.h>
+#include <errno.h>
// Adhere to section 17.4.1.2 clause 5 of ISO 14882:1998
#ifndef errno
--- a/libstdc++-v3/include/c/cfloat
+++ b/libstdc++-v3/include/c/cfloat
@@ -32,6 +32,6 @@
#pragma GCC system_header
#include <bits/c++config.h>
-#include_next <float.h>
+#include <float.h>
#endif
--- a/libstdc++-v3/include/c/climits
+++ b/libstdc++-v3/include/c/climits
@@ -32,6 +32,6 @@
#pragma GCC system_header
#include <bits/c++config.h>
-#include_next <limits.h>
+#include <limits.h>
#endif
--- a/libstdc++-v3/include/c/clocale
+++ b/libstdc++-v3/include/c/clocale
@@ -31,6 +31,6 @@
#pragma GCC system_header
-#include_next <locale.h>
+#include <locale.h>
#endif
--- a/libstdc++-v3/include/c/cmath
+++ b/libstdc++-v3/include/c/cmath
@@ -33,7 +33,7 @@
#include <bits/c++config.h>
-#include_next <math.h>
+#include <math.h>
// Get rid of those macros defined in <math.h> in lieu of real functions.
#undef abs
--- a/libstdc++-v3/include/c/csetjmp
+++ b/libstdc++-v3/include/c/csetjmp
@@ -31,7 +31,7 @@
#pragma GCC system_header
-#include_next <setjmp.h>
+#include <setjmp.h>
// Get rid of those macros defined in <setjmp.h> in lieu of real functions.
#undef longjmp
--- a/libstdc++-v3/include/c/csignal
+++ b/libstdc++-v3/include/c/csignal
@@ -31,6 +31,6 @@
#pragma GCC system_header
-#include_next <signal.h>
+#include <signal.h>
#endif
--- a/libstdc++-v3/include/c/cstdarg
+++ b/libstdc++-v3/include/c/cstdarg
@@ -32,6 +32,6 @@
#pragma GCC system_header
#undef __need___va_list
-#include_next <stdarg.h>
+#include <stdarg.h>
#endif
--- a/libstdc++-v3/include/c/cstddef
+++ b/libstdc++-v3/include/c/cstddef
@@ -35,6 +35,6 @@
#define __need_ptrdiff_t
#define __need_NULL
#define __need_offsetof
-#include_next <stddef.h>
+#include <stddef.h>
#endif
--- a/libstdc++-v3/include/c/cstdio
+++ b/libstdc++-v3/include/c/cstdio
@@ -31,7 +31,7 @@
#pragma GCC system_header
-#include_next <stdio.h>
+#include <stdio.h>
// Get rid of those macros defined in <stdio.h> in lieu of real functions.
#undef clearerr
--- a/libstdc++-v3/include/c/cstdlib
+++ b/libstdc++-v3/include/c/cstdlib
@@ -31,6 +31,6 @@
#pragma GCC system_header
-#include_next <stdlib.h>
+#include <stdlib.h>
#endif
--- a/libstdc++-v3/include/c/cstring
+++ b/libstdc++-v3/include/c/cstring
@@ -31,6 +31,6 @@
#pragma GCC system_header
-#include_next <string.h>
+#include <string.h>
#endif
--- a/libstdc++-v3/include/c/ctime
+++ b/libstdc++-v3/include/c/ctime
@@ -31,6 +31,6 @@
#pragma GCC system_header
-#include_next <time.h>
+#include <time.h>
#endif
--- a/libstdc++-v3/include/c/cuchar
+++ b/libstdc++-v3/include/c/cuchar
@@ -39,7 +39,7 @@
#include <cwchar>
#if _GLIBCXX_USE_C11_UCHAR_CXX11
-# include_next <uchar.h>
+# include <uchar.h>
#endif
#endif // C++11
--- a/libstdc++-v3/include/c/cwchar
+++ b/libstdc++-v3/include/c/cwchar
@@ -36,7 +36,7 @@
#include <ctime>
#if _GLIBCXX_HAVE_WCHAR_H
-#include_next <wchar.h>
+#include <wchar.h>
#endif
// Need to do a bit of trickery here with mbstate_t as char_traits
--- a/libstdc++-v3/include/c/cwctype
+++ b/libstdc++-v3/include/c/cwctype
@@ -34,7 +34,7 @@
#include <bits/c++config.h>
#if _GLIBCXX_HAVE_WCTYPE_H
-#include_next <wctype.h>
+#include <wctype.h>
#endif
#endif
--- a/libstdc++-v3/include/c_global/cmath
+++ b/libstdc++-v3/include/c_global/cmath
@@ -42,7 +42,7 @@
#include <bits/cpp_type_traits.h>
#include <ext/type_traits.h>
#define _GLIBCXX_INCLUDE_NEXT_C_HEADERS
-#include_next <math.h>
+#include <math.h>
#undef _GLIBCXX_INCLUDE_NEXT_C_HEADERS
#include <bits/std_abs.h>
--- a/libstdc++-v3/include/c_global/cstdlib
+++ b/libstdc++-v3/include/c_global/cstdlib
@@ -72,7 +72,7 @@
// Need to ensure this finds the C library's <stdlib.h> not a libstdc++
// wrapper that might already be installed later in the include search path.
#define _GLIBCXX_INCLUDE_NEXT_C_HEADERS
-#include_next <stdlib.h>
+#include <stdlib.h>
#undef _GLIBCXX_INCLUDE_NEXT_C_HEADERS
#include <bits/std_abs.h>
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