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From 4cea8f51c23ce7112f21ff4091e7d97272b81664 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(-)
diff --git a/libstdc++-v3/include/bits/std_abs.h b/libstdc++-v3/include/bits/std_abs.h
index ae6bfc1b1ac..249ed53a3ce 100644
--- 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
diff --git a/libstdc++-v3/include/c/cassert b/libstdc++-v3/include/c/cassert
index abd8c0538ef..3e1b97f1626 100644
--- 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>
diff --git a/libstdc++-v3/include/c/cctype b/libstdc++-v3/include/c/cctype
index d53cb3d43f3..3def33f2077 100644
--- 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
diff --git a/libstdc++-v3/include/c/cerrno b/libstdc++-v3/include/c/cerrno
index a8d3869efb6..3725137c115 100644
--- 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
diff --git a/libstdc++-v3/include/c/cfloat b/libstdc++-v3/include/c/cfloat
index 5865d427c20..df821645e4d 100644
--- 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
diff --git a/libstdc++-v3/include/c/climits b/libstdc++-v3/include/c/climits
index 849afadeffc..b153fa8c27c 100644
--- 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
diff --git a/libstdc++-v3/include/c/clocale b/libstdc++-v3/include/c/clocale
index fc84745397d..5ebccdf5006 100644
--- 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
diff --git a/libstdc++-v3/include/c/cmath b/libstdc++-v3/include/c/cmath
index 2c51f2f13bc..2fcd09e4ef9 100644
--- 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
diff --git a/libstdc++-v3/include/c/csetjmp b/libstdc++-v3/include/c/csetjmp
index db83610d95f..5abafcb160d 100644
--- 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
diff --git a/libstdc++-v3/include/c/csignal b/libstdc++-v3/include/c/csignal
index 986c5d3daca..77cb7634a69 100644
--- 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
diff --git a/libstdc++-v3/include/c/cstdarg b/libstdc++-v3/include/c/cstdarg
index 6b6e1850753..0dfc60cc6ba 100644
--- 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
diff --git a/libstdc++-v3/include/c/cstddef b/libstdc++-v3/include/c/cstddef
index 7fc8ce34efc..fc90dfb3f18 100644
--- 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
diff --git a/libstdc++-v3/include/c/cstdio b/libstdc++-v3/include/c/cstdio
index e943aa8e725..89bcd2d7391 100644
--- 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
diff --git a/libstdc++-v3/include/c/cstdlib b/libstdc++-v3/include/c/cstdlib
index 86d9587482f..a26013286be 100644
--- 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
diff --git a/libstdc++-v3/include/c/cstring b/libstdc++-v3/include/c/cstring
index 8b1e89b13b6..ca56c75e753 100644
--- 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
diff --git a/libstdc++-v3/include/c/ctime b/libstdc++-v3/include/c/ctime
index 367172b21eb..135da2a25c4 100644
--- 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
diff --git a/libstdc++-v3/include/c/cuchar b/libstdc++-v3/include/c/cuchar
index e63b55ae12c..c79708fba6a 100644
--- 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
diff --git a/libstdc++-v3/include/c/cwchar b/libstdc++-v3/include/c/cwchar
index 05d4d70c6fc..0fc9a9a394a 100644
--- 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
diff --git a/libstdc++-v3/include/c/cwctype b/libstdc++-v3/include/c/cwctype
index 0626765d6c8..4839b693e46 100644
--- 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
diff --git a/libstdc++-v3/include/c_global/cmath b/libstdc++-v3/include/c_global/cmath
index 39a6b036b8c..bfb6dcd4c88 100644
--- 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>
diff --git a/libstdc++-v3/include/c_global/cstdlib b/libstdc++-v3/include/c_global/cstdlib
index 47b954cf2fa..996a87b372c 100644
--- a/libstdc++-v3/include/c_global/cstdlib
+++ b/libstdc++-v3/include/c_global/cstdlib
@@ -72,7 +72,7 @@ namespace std
// 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>
--
2.30.0
|
