diff options
Diffstat (limited to 'system/gcc/067_all_gcc-poison-system-directories.patch')
| -rw-r--r-- | system/gcc/067_all_gcc-poison-system-directories.patch | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/system/gcc/067_all_gcc-poison-system-directories.patch b/system/gcc/067_all_gcc-poison-system-directories.patch deleted file mode 100644 index 103671617..000000000 --- a/system/gcc/067_all_gcc-poison-system-directories.patch +++ /dev/null @@ -1,194 +0,0 @@ -http://cgit.openembedded.org/openembedded-core/plain/meta/recipes-devtools/gcc/gcc-6.1/0010-gcc-poison-system-directories.patch - -From d76250323dad69212c958e4857a98d99ab51a39e Mon Sep 17 00:00:00 2001 -From: Khem Raj <raj.khem@gmail.com> -Date: Fri, 29 Mar 2013 08:59:00 +0400 -Subject: [PATCH 10/46] gcc: poison-system-directories - -Signed-off-by: Khem Raj <raj.khem@gmail.com> - -Upstream-Status: Inappropriate [distribution: codesourcery] ---- - gcc/common.opt | 4 ++++ - gcc/config.in | 6 ++++++ - gcc/configure | 16 ++++++++++++++++ - gcc/configure.ac | 10 ++++++++++ - gcc/doc/invoke.texi | 9 +++++++++ - gcc/gcc.c | 2 ++ - gcc/incpath.c | 19 +++++++++++++++++++ - 7 files changed, 66 insertions(+) - -diff --git a/gcc/common.opt b/gcc/common.opt -index 67048db..733185c 100644 ---- a/gcc/common.opt -+++ b/gcc/common.opt -@@ -659,6 +659,10 @@ Wreturn-local-addr - Common Var(warn_return_local_addr) Init(1) Warning - Warn about returning a pointer/reference to a local or temporary variable. - -+Wpoison-system-directories -+Common Var(flag_poison_system_directories) Init(1) Warning -+Warn for -I and -L options using system directories if cross compiling -+ - Wshadow - Common Var(warn_shadow) Warning - Warn when one local variable shadows another. -diff --git a/gcc/config.in b/gcc/config.in -index 115cb61..105b30f 100644 ---- a/gcc/config.in -+++ b/gcc/config.in -@@ -187,6 +187,12 @@ - #endif - - -+/* Define to warn for use of native system header directories */ -+#ifndef USED_FOR_TARGET -+#undef ENABLE_POISON_SYSTEM_DIRECTORIES -+#endif -+ -+ - /* Define if you want all operations on RTL (the basic data structure of the - optimizer and back end) to be checked for dynamic type safety at runtime. - This is quite expensive. */ -diff --git a/gcc/configure b/gcc/configure -index 1c6e340..8f83152 100755 ---- a/gcc/configure -+++ b/gcc/configure -@@ -942,6 +942,7 @@ with_system_zlib - enable_maintainer_mode - enable_link_mutex - enable_version_specific_runtime_libs -+enable_poison_system_directories - enable_plugin - enable_host_shared - enable_libquadmath_support -@@ -1681,6 +1682,8 @@ Optional Features: - --enable-version-specific-runtime-libs - specify that runtime libraries should be installed - in a compiler-specific directory -+ --enable-poison-system-directories -+ warn for use of native system header directories - --enable-plugin enable plugin support - --enable-host-shared build host code as shared libraries - --disable-libquadmath-support -@@ -28908,6 +28911,19 @@ if test "${enable_version_specific_runtime_libs+set}" = set; then : - fi - - -+# Check whether --enable-poison-system-directories was given. -+if test "${enable_poison_system_directories+set}" = set; then : -+ enableval=$enable_poison_system_directories; -+else -+ enable_poison_system_directories=no -+fi -+ -+if test "x${enable_poison_system_directories}" = "xyes"; then -+ -+$as_echo "#define ENABLE_POISON_SYSTEM_DIRECTORIES 1" >>confdefs.h -+ -+fi -+ - # Substitute configuration variables - - -diff --git a/gcc/configure.ac b/gcc/configure.ac -index 6c1dcd9..0fccaef 100644 ---- a/gcc/configure.ac -+++ b/gcc/configure.ac -@@ -5861,6 +5861,16 @@ AC_ARG_ENABLE(version-specific-runtime-libs, - [specify that runtime libraries should be - installed in a compiler-specific directory])]) - -+AC_ARG_ENABLE([poison-system-directories], -+ AS_HELP_STRING([--enable-poison-system-directories], -+ [warn for use of native system header directories]),, -+ [enable_poison_system_directories=no]) -+if test "x${enable_poison_system_directories}" = "xyes"; then -+ AC_DEFINE([ENABLE_POISON_SYSTEM_DIRECTORIES], -+ [1], -+ [Define to warn for use of native system header directories]) -+fi -+ - # Substitute configuration variables - AC_SUBST(subdirs) - AC_SUBST(srcdir) -diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi -index 821f8fd..8bb49e7 100644 ---- a/gcc/doc/invoke.texi -+++ b/gcc/doc/invoke.texi -@@ -284,6 +284,7 @@ Objective-C and Objective-C++ Dialects}. - -Wparentheses -Wno-pedantic-ms-format @gol - -Wplacement-new -Wplacement-new=@var{n} @gol - -Wpointer-arith -Wno-pointer-to-int-cast @gol -+-Wno-poison-system-directories @gol - -Wno-pragmas -Wredundant-decls -Wno-return-local-addr @gol - -Wreturn-type -Wsequence-point -Wshadow -Wno-shadow-ivar @gol - -Wshift-overflow -Wshift-overflow=@var{n} @gol -@@ -4723,6 +4724,14 @@ made up of data only and thus requires no special treatment. But, for - most targets, it is made up of code and thus requires the stack to be - made executable in order for the program to work properly. - -+@item -Wno-poison-system-directories -+@opindex Wno-poison-system-directories -+Do not warn for @option{-I} or @option{-L} options using system -+directories such as @file{/usr/include} when cross compiling. This -+option is intended for use in chroot environments when such -+directories contain the correct headers and libraries for the target -+system rather than the host. -+ - @item -Wfloat-equal - @opindex Wfloat-equal - @opindex Wno-float-equal -diff --git a/gcc/gcc.c b/gcc/gcc.c -index 1af5920..4cfef7f 100644 ---- a/gcc/gcc.c -+++ b/gcc/gcc.c -@@ -1017,6 +1017,8 @@ proper position among the other output files. */ - "%{fuse-ld=*:-fuse-ld=%*} " LINK_COMPRESS_DEBUG_SPEC \ - "%X %{o*} %{e*} %{N} %{n} %{r}\ - %{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}} \ -+ %{Wno-poison-system-directories:--no-poison-system-directories} \ -+ %{Werror=poison-system-directories:--error-poison-system-directories} \ - %{static:} %{L*} %(mfwrap) %(link_libgcc) " \ - VTABLE_VERIFICATION_SPEC " " SANITIZER_EARLY_SPEC " %o " CHKP_SPEC " \ - %{fopenacc|fopenmp|%:gt(%{ftree-parallelize-loops=*:%*} 1):\ -diff --git a/gcc/incpath.c b/gcc/incpath.c -index ea40f4a..856da41 100644 ---- a/gcc/incpath.c -+++ b/gcc/incpath.c -@@ -26,6 +26,7 @@ - #include "intl.h" - #include "incpath.h" - #include "cppdefault.h" -+#include "diagnostic-core.h" - - /* Microsoft Windows does not natively support inodes. - VMS has non-numeric inodes. */ -@@ -381,6 +382,24 @@ merge_include_chains (const char *sysroot, cpp_reader *pfile, int verbose) - } - fprintf (stderr, _("End of search list.\n")); - } -+ -+#ifdef ENABLE_POISON_SYSTEM_DIRECTORIES -+ if (flag_poison_system_directories) -+ { -+ struct cpp_dir *p; -+ -+ for (p = heads[QUOTE]; p; p = p->next) -+ { -+ if ((!strncmp (p->name, "/usr/include", 12)) -+ || (!strncmp (p->name, "/usr/local/include", 18)) -+ || (!strncmp (p->name, "/usr/X11R6/include", 18))) -+ warning (OPT_Wpoison_system_directories, -+ "include location \"%s\" is unsafe for " -+ "cross-compilation", -+ p->name); -+ } -+ } -+#endif - } - - /* Use given -I paths for #include "..." but not #include <...>, and --- -2.8.2 - |