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-rw-r--r--meta/recipes-devtools/gcc/gcc-4.7/gcc-poison-system-directories.patch223
1 files changed, 223 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.7/gcc-poison-system-directories.patch b/meta/recipes-devtools/gcc/gcc-4.7/gcc-poison-system-directories.patch
new file mode 100644
index 0000000000..82a55c9b8b
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.7/gcc-poison-system-directories.patch
@@ -0,0 +1,223 @@
1Upstream-Status: Inappropriate [distribution: codesourcery]
2
3 gcc/
4 2008-07-02 Joseph Myers <joseph@codesourcery.com>
5 * c-incpath.c: Include toplev.h.
6 (merge_include_chains): Use warning instead of cpp_error for
7 system directory poisoning diagnostic.
8 * Makefile.in (c-incpath.o): Depend on toplev.h.
9 * gcc.c (LINK_COMMAND_SPEC): Pass
10 --error-poison-system-directories if
11 -Werror=poison-system-directories.
12
13 2007-06-13 Joseph Myers <joseph@codesourcery.com>
14 * common.opt (--Wno-poison-system-directories): New.
15 * doc/invoke.texi (-Wno-poison-system-directories): Document.
16 * c-incpath.c: Include flags.h.
17 (merge_include_chains): Check flag_poison_system_directories.
18 * gcc.c (LINK_COMMAND_SPEC): Pass --no-poison-system-directories
19 to linker if -Wno-poison-system-directories.
20 * Makefile.in (c-incpath.o): Depend on $(FLAGS_H).
21
22 2007-03-20 Daniel Jacobowitz <dan@codesourcery.com>
23 Joseph Myers <joseph@codesourcery.com>
24 * configure.ac (--enable-poison-system-directories): New option.
25 * configure, config.in: Regenerate.
26 * c-incpath.c (merge_include_chains): If
27 ENABLE_POISON_SYSTEM_DIRECTORIES defined, warn for use of
28 /usr/include, /usr/local/include or /usr/X11R6/include.
29
30Index: gcc-4.7.2/gcc/common.opt
31===================================================================
32--- gcc-4.7.2.orig/gcc/common.opt 2012-08-06 07:34:27.000000000 -0700
33+++ gcc-4.7.2/gcc/common.opt 2012-09-20 07:40:54.708937540 -0700
34@@ -582,6 +582,10 @@
35 Common Var(warn_padded) Warning
36 Warn when padding is required to align structure members
37
38+Wpoison-system-directories
39+Common Var(flag_poison_system_directories) Init(1) Warning
40+Warn for -I and -L options using system directories if cross compiling
41+
42 Wshadow
43 Common Var(warn_shadow) Warning
44 Warn when one local variable shadows another
45Index: gcc-4.7.2/gcc/config.in
46===================================================================
47--- gcc-4.7.2.orig/gcc/config.in 2012-09-20 00:23:55.000000000 -0700
48+++ gcc-4.7.2/gcc/config.in 2012-09-20 07:40:54.708937540 -0700
49@@ -144,6 +144,12 @@
50 #endif
51
52
53+/* Define to warn for use of native system header directories */
54+#ifndef USED_FOR_TARGET
55+#undef ENABLE_POISON_SYSTEM_DIRECTORIES
56+#endif
57+
58+
59 /* Define if you want all operations on RTL (the basic data structure of the
60 optimizer and back end) to be checked for dynamic type safety at runtime.
61 This is quite expensive. */
62Index: gcc-4.7.2/gcc/configure.ac
63===================================================================
64--- gcc-4.7.2.orig/gcc/configure.ac 2012-09-20 07:30:27.000000000 -0700
65+++ gcc-4.7.2/gcc/configure.ac 2012-09-20 07:40:54.708937540 -0700
66@@ -4989,6 +4989,16 @@
67 [specify that runtime libraries should be
68 installed in a compiler-specific directory])])
69
70+AC_ARG_ENABLE([poison-system-directories],
71+ AS_HELP_STRING([--enable-poison-system-directories],
72+ [warn for use of native system header directories]),,
73+ [enable_poison_system_directories=no])
74+if test "x${enable_poison_system_directories}" = "xyes"; then
75+ AC_DEFINE([ENABLE_POISON_SYSTEM_DIRECTORIES],
76+ [1],
77+ [Define to warn for use of native system header directories])
78+fi
79+
80 # Substitute configuration variables
81 AC_SUBST(subdirs)
82 AC_SUBST(srcdir)
83Index: gcc-4.7.2/gcc/doc/invoke.texi
84===================================================================
85--- gcc-4.7.2.orig/gcc/doc/invoke.texi 2012-09-14 13:45:27.000000000 -0700
86+++ gcc-4.7.2/gcc/doc/invoke.texi 2012-09-20 07:40:54.712937541 -0700
87@@ -260,6 +260,7 @@
88 -Woverlength-strings -Wpacked -Wpacked-bitfield-compat -Wpadded @gol
89 -Wparentheses -Wpedantic-ms-format -Wno-pedantic-ms-format @gol
90 -Wpointer-arith -Wno-pointer-to-int-cast @gol
91+-Wno-poison-system-directories @gol
92 -Wredundant-decls @gol
93 -Wreturn-type -Wsequence-point -Wshadow @gol
94 -Wsign-compare -Wsign-conversion -Wstack-protector @gol
95@@ -3879,6 +3880,14 @@
96 for most targets, it is made up of code and thus requires the stack
97 to be made executable in order for the program to work properly.
98
99+@item -Wno-poison-system-directories
100+@opindex Wno-poison-system-directories
101+Do not warn for @option{-I} or @option{-L} options using system
102+directories such as @file{/usr/include} when cross compiling. This
103+option is intended for use in chroot environments when such
104+directories contain the correct headers and libraries for the target
105+system rather than the host.
106+
107 @item -Wfloat-equal
108 @opindex Wfloat-equal
109 @opindex Wno-float-equal
110Index: gcc-4.7.2/gcc/gcc.c
111===================================================================
112--- gcc-4.7.2.orig/gcc/gcc.c 2012-08-06 07:34:27.000000000 -0700
113+++ gcc-4.7.2/gcc/gcc.c 2012-09-20 07:40:54.716937541 -0700
114@@ -673,6 +673,8 @@
115 %{flto} %{flto=*} %l " LINK_PIE_SPEC \
116 "%X %{o*} %{e*} %{N} %{n} %{r}\
117 %{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}}\
118+ %{Wno-poison-system-directories:--no-poison-system-directories}\
119+ %{Werror=poison-system-directories:--error-poison-system-directories}\
120 %{static:} %{L*} %(mfwrap) %(link_libgcc) %o\
121 %{fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)}\
122 %{fgnu-tm:%:include(libitm.spec)%(link_itm)}\
123Index: gcc-4.7.2/gcc/incpath.c
124===================================================================
125--- gcc-4.7.2.orig/gcc/incpath.c 2012-01-26 15:34:58.000000000 -0800
126+++ gcc-4.7.2/gcc/incpath.c 2012-09-20 07:40:54.716937541 -0700
127@@ -361,6 +361,24 @@
128 }
129 fprintf (stderr, _("End of search list.\n"));
130 }
131+
132+#ifdef ENABLE_POISON_SYSTEM_DIRECTORIES
133+ if (flag_poison_system_directories)
134+ {
135+ struct cpp_dir *p;
136+
137+ for (p = heads[QUOTE]; p; p = p->next)
138+ {
139+ if ((!strncmp (p->name, "/usr/include", 12))
140+ || (!strncmp (p->name, "/usr/local/include", 18))
141+ || (!strncmp (p->name, "/usr/X11R6/include", 18)))
142+ warning (OPT_Wpoison_system_directories,
143+ "include location \"%s\" is unsafe for "
144+ "cross-compilation",
145+ p->name);
146+ }
147+ }
148+#endif
149 }
150
151 /* Use given -I paths for #include "..." but not #include <...>, and
152Index: gcc-4.7.2/gcc/Makefile.in
153===================================================================
154--- gcc-4.7.2.orig/gcc/Makefile.in 2012-08-06 07:34:27.000000000 -0700
155+++ gcc-4.7.2/gcc/Makefile.in 2012-09-20 07:40:54.716937541 -0700
156@@ -2065,7 +2065,7 @@
157
158 incpath.o: incpath.c incpath.h $(CONFIG_H) $(SYSTEM_H) $(CPPLIB_H) \
159 intl.h prefix.h coretypes.h $(TM_H) cppdefault.h $(TARGET_H) \
160- $(MACHMODE_H)
161+ $(MACHMODE_H) $(FLAGS_H) toplev.h
162
163 CFLAGS-prefix.o += -DPREFIX=\"$(prefix)\" -DBASEVER=$(BASEVER_s)
164 prefix.o: prefix.c $(CONFIG_H) $(SYSTEM_H) coretypes.h prefix.h \
165Index: gcc-4.7.2/gcc/configure
166===================================================================
167--- gcc-4.7.2.orig/gcc/configure 2012-09-20 07:30:27.000000000 -0700
168+++ gcc-4.7.2/gcc/configure 2012-09-20 07:41:08.548938066 -0700
169@@ -914,6 +914,7 @@
170 with_system_zlib
171 enable_maintainer_mode
172 enable_version_specific_runtime_libs
173+enable_poison_system_directories
174 enable_plugin
175 enable_libquadmath_support
176 with_linker_hash_style
177@@ -1627,6 +1628,8 @@
178 --enable-version-specific-runtime-libs
179 specify that runtime libraries should be installed
180 in a compiler-specific directory
181+ --enable-poison-system-directories
182+ warn for use of native system header directories
183 --enable-plugin enable plugin support
184 --disable-libquadmath-support
185 disable libquadmath support for Fortran
186@@ -18010,7 +18013,7 @@
187 lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
188 lt_status=$lt_dlunknown
189 cat > conftest.$ac_ext <<_LT_EOF
190-#line 18013 "configure"
191+#line 18016 "configure"
192 #include "confdefs.h"
193
194 #if HAVE_DLFCN_H
195@@ -18116,7 +18119,7 @@
196 lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
197 lt_status=$lt_dlunknown
198 cat > conftest.$ac_ext <<_LT_EOF
199-#line 18119 "configure"
200+#line 18122 "configure"
201 #include "confdefs.h"
202
203 #if HAVE_DLFCN_H
204@@ -27129,6 +27132,19 @@
205 fi
206
207
208+# Check whether --enable-poison-system-directories was given.
209+if test "${enable_poison_system_directories+set}" = set; then :
210+ enableval=$enable_poison_system_directories;
211+else
212+ enable_poison_system_directories=no
213+fi
214+
215+if test "x${enable_poison_system_directories}" = "xyes"; then
216+
217+$as_echo "#define ENABLE_POISON_SYSTEM_DIRECTORIES 1" >>confdefs.h
218+
219+fi
220+
221 # Substitute configuration variables
222
223