diff options
6 files changed, 0 insertions, 1050 deletions
diff --git a/package/gcc/4.7.4/910-gcc-poison-system-directories.patch b/package/gcc/4.7.4/910-gcc-poison-system-directories.patch deleted file mode 100644 index bc2d5c60c5..0000000000 --- a/package/gcc/4.7.4/910-gcc-poison-system-directories.patch +++ /dev/null @@ -1,207 +0,0 @@ -From 160397ef3c3331099af028f1b8d3e085b07d88ad 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 16/35] gcc: poison-system-directories - -Adapted to Buildroot and gcc 4.7.4 by Thomas Petazzoni, especially the -addition of the BR_COMPILER_PARANOID_UNSAFE_PATH environment variable. - -Signed-off-by: Khem Raj <raj.khem@gmail.com> -Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> - -Upstream-Status: Inappropriate [distribution: codesourcery] ---- - gcc/Makefile.in | 2 +- - gcc/common.opt | 4 ++++ - gcc/config.in | 6 ++++++ - gcc/configure | 20 ++++++++++++++++++-- - gcc/configure.ac | 10 ++++++++++ - gcc/doc/invoke.texi | 9 +++++++++ - gcc/gcc.c | 2 ++ - gcc/incpath.c | 19 +++++++++++++++++++ - 8 files changed, 69 insertions(+), 3 deletions(-) - -Index: b/gcc/common.opt -=================================================================== ---- a/gcc/common.opt -+++ b/gcc/common.opt -@@ -585,6 +585,10 @@ - Common Var(warn_padded) Warning - Warn when padding is required to align structure members - -+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 -Index: b/gcc/config.in -=================================================================== ---- a/gcc/config.in -+++ b/gcc/config.in -@@ -144,6 +144,12 @@ - #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. */ -Index: b/gcc/configure -=================================================================== ---- a/gcc/configure -+++ b/gcc/configure -@@ -918,6 +918,7 @@ - with_system_zlib - enable_maintainer_mode - enable_version_specific_runtime_libs -+enable_poison_system_directories - enable_plugin - enable_libquadmath_support - with_linker_hash_style -@@ -1632,6 +1633,8 @@ - --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 - --disable-libquadmath-support - disable libquadmath support for Fortran -@@ -27186,6 +27189,19 @@ - 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 - - -Index: b/gcc/configure.ac -=================================================================== ---- a/gcc/configure.ac -+++ b/gcc/configure.ac -@@ -5037,6 +5037,16 @@ - [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) -Index: b/gcc/doc/invoke.texi -=================================================================== ---- a/gcc/doc/invoke.texi -+++ b/gcc/doc/invoke.texi -@@ -260,6 +260,7 @@ - -Woverlength-strings -Wpacked -Wpacked-bitfield-compat -Wpadded @gol - -Wparentheses -Wpedantic-ms-format -Wno-pedantic-ms-format @gol - -Wpointer-arith -Wno-pointer-to-int-cast @gol -+-Wno-poison-system-directories @gol - -Wredundant-decls @gol - -Wreturn-type -Wsequence-point -Wshadow @gol - -Wsign-compare -Wsign-conversion -Wstack-protector @gol -@@ -3880,6 +3881,14 @@ - 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 -Index: b/gcc/gcc.c -=================================================================== ---- a/gcc/gcc.c -+++ b/gcc/gcc.c -@@ -674,6 +674,8 @@ - %{flto} %{flto=*} %l " LINK_PIE_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) %o\ - %{fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)}\ - %{fgnu-tm:%:include(libitm.spec)%(link_itm)}\ -@@ -3907,6 +3909,12 @@ - gcc_assert (!compare_debug_opt); - } - -+ temp = getenv("BR_COMPILER_PARANOID_UNSAFE_PATH"); -+ if (temp && strlen(temp) > 0) -+ { -+ save_switch("-Werror=poison-system-directories", 0, NULL, false); -+ } -+ - /* Set up the search paths. We add directories that we expect to - contain GNU Toolchain components before directories specified by - the machine description so that we will find GNU components (like -Index: b/gcc/incpath.c -=================================================================== ---- a/gcc/incpath.c -+++ b/gcc/incpath.c -@@ -30,6 +30,7 @@ - #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. */ -@@ -373,6 +374,24 @@ - } - 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 diff --git a/package/gcc/4.8.5/910-gcc-poison-system-directories.patch b/package/gcc/4.8.5/910-gcc-poison-system-directories.patch deleted file mode 100644 index 88b2c4e535..0000000000 --- a/package/gcc/4.8.5/910-gcc-poison-system-directories.patch +++ /dev/null @@ -1,207 +0,0 @@ -From 160397ef3c3331099af028f1b8d3e085b07d88ad 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 16/35] gcc: poison-system-directories - -Adapted to Buildroot and gcc 4.8.3 by Thomas Petazzoni, especially the -addition of the BR_COMPILER_PARANOID_UNSAFE_PATH environment variable. - -Signed-off-by: Khem Raj <raj.khem@gmail.com> -Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> - -Upstream-Status: Inappropriate [distribution: codesourcery] ---- - gcc/Makefile.in | 2 +- - gcc/common.opt | 4 ++++ - gcc/config.in | 6 ++++++ - gcc/configure | 20 ++++++++++++++++++-- - gcc/configure.ac | 10 ++++++++++ - gcc/doc/invoke.texi | 9 +++++++++ - gcc/gcc.c | 2 ++ - gcc/incpath.c | 19 +++++++++++++++++++ - 8 files changed, 69 insertions(+), 3 deletions(-) - -Index: b/gcc/common.opt -=================================================================== ---- a/gcc/common.opt -+++ b/gcc/common.opt -@@ -595,6 +595,10 @@ - Common Var(pedantic) Warning - Issue warnings needed for strict compliance to the standard - -+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 -Index: b/gcc/config.in -=================================================================== ---- a/gcc/config.in -+++ b/gcc/config.in -@@ -138,6 +138,12 @@ - #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. */ -Index: b/gcc/configure -=================================================================== ---- a/gcc/configure -+++ b/gcc/configure -@@ -917,6 +917,7 @@ - with_system_zlib - enable_maintainer_mode - enable_version_specific_runtime_libs -+enable_poison_system_directories - enable_plugin - enable_libquadmath_support - with_linker_hash_style -@@ -1630,6 +1631,8 @@ - --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 - --disable-libquadmath-support - disable libquadmath support for Fortran -@@ -27195,6 +27198,19 @@ - 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 -+ -+$as_echo "#define ENABLE_POISON_SYSTEM_DIRECTORIES 1" >>confdefs.h -+ -+fi -+ - # Substitute configuration variables - - -Index: b/gcc/configure.ac -=================================================================== ---- a/gcc/configure.ac -+++ b/gcc/configure.ac -@@ -5101,6 +5101,16 @@ - [specify that runtime libraries should be - installed in a compiler-specific directory])]) - -+AC_ARG_ENABLE([poison-system-directories], -+ AS_HELP_STRING([--enable-poison-system-directories], -+ [warn for use of native system header directories]),, -+ [enable_poison_system_directories=no]) -+if test "x${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) -Index: b/gcc/doc/invoke.texi -=================================================================== ---- a/gcc/doc/invoke.texi -+++ b/gcc/doc/invoke.texi -@@ -258,6 +258,7 @@ - -Woverlength-strings -Wpacked -Wpacked-bitfield-compat -Wpadded @gol - -Wparentheses -Wpedantic-ms-format -Wno-pedantic-ms-format @gol - -Wpointer-arith -Wno-pointer-to-int-cast @gol -+-Wno-poison-system-directories @gol - -Wredundant-decls -Wno-return-local-addr @gol - -Wreturn-type -Wsequence-point -Wshadow @gol - -Wsign-compare -Wsign-conversion -Wsizeof-pointer-memaccess @gol -@@ -4020,6 +4021,14 @@ - 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 -Index: b/gcc/gcc.c -=================================================================== ---- a/gcc/gcc.c -+++ b/gcc/gcc.c -@@ -741,6 +741,8 @@ - "%{fuse-ld=*:-fuse-ld=%*}\ - %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) " SANITIZER_EARLY_SPEC " %o\ - %{fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)}\ - %{fgnu-tm:%:include(libitm.spec)%(link_itm)}\ -@@ -3991,6 +3993,12 @@ - gcc_assert (!compare_debug_opt); - } - -+ temp = getenv("BR_COMPILER_PARANOID_UNSAFE_PATH"); -+ if (temp && strlen(temp) > 0) -+ { -+ save_switch("-Werror=poison-system-directories", 0, NULL, false, true); -+ } -+ - /* Set up the search paths. We add directories that we expect to - contain GNU Toolchain components before directories specified by - the machine description so that we will find GNU components (like -Index: b/gcc/incpath.c -=================================================================== ---- a/gcc/incpath.c -+++ b/gcc/incpath.c -@@ -28,6 +28,7 @@ - #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. */ -@@ -382,6 +383,24 @@ - } - 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 diff --git a/package/gcc/4.9.3/910-gcc-poison-system-directories.patch b/package/gcc/4.9.3/910-gcc-poison-system-directories.patch deleted file mode 100644 index 975f01fc72..0000000000 --- a/package/gcc/4.9.3/910-gcc-poison-system-directories.patch +++ /dev/null @@ -1,207 +0,0 @@ -From 160397ef3c3331099af028f1b8d3e085b07d88ad 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 16/35] gcc: poison-system-directories - -Adapted to Buildroot and gcc 4.9.1 by Thomas Petazzoni, especially the -addition of the BR_COMPILER_PARANOID_UNSAFE_PATH environment variable. - -Signed-off-by: Khem Raj <raj.khem@gmail.com> -Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> - -Upstream-Status: Inappropriate [distribution: codesourcery] ---- - gcc/Makefile.in | 2 +- - gcc/common.opt | 4 ++++ - gcc/config.in | 6 ++++++ - gcc/configure | 20 ++++++++++++++++++-- - gcc/configure.ac | 10 ++++++++++ - gcc/doc/invoke.texi | 9 +++++++++ - gcc/gcc.c | 2 ++ - gcc/incpath.c | 19 +++++++++++++++++++ - 8 files changed, 69 insertions(+), 3 deletions(-) - -Index: b/gcc/common.opt -=================================================================== ---- a/gcc/common.opt -+++ b/gcc/common.opt -@@ -603,6 +603,10 @@ - Common Var(pedantic) Warning - Issue warnings needed for strict compliance to the standard - -+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 -Index: b/gcc/config.in -=================================================================== ---- a/gcc/config.in -+++ b/gcc/config.in -@@ -138,6 +138,12 @@ - #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. */ -Index: b/gcc/configure -=================================================================== ---- a/gcc/configure -+++ b/gcc/configure -@@ -929,6 +929,7 @@ - enable_maintainer_mode - enable_link_mutex - enable_version_specific_runtime_libs -+enable_poison_system_directories - enable_plugin - enable_host_shared - enable_libquadmath_support -@@ -1657,6 +1658,8 @@ - --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 -@@ -27765,6 +27768,19 @@ - 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 - - -Index: b/gcc/configure.ac -=================================================================== ---- a/gcc/configure.ac -+++ b/gcc/configure.ac -@@ -5411,6 +5411,16 @@ - [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) -Index: b/gcc/doc/invoke.texi -=================================================================== ---- a/gcc/doc/invoke.texi -+++ b/gcc/doc/invoke.texi -@@ -260,6 +260,7 @@ - -Woverlength-strings -Wpacked -Wpacked-bitfield-compat -Wpadded @gol - -Wparentheses -Wpedantic-ms-format -Wno-pedantic-ms-format @gol - -Wpointer-arith -Wno-pointer-to-int-cast @gol -+-Wno-poison-system-directories @gol - -Wredundant-decls -Wno-return-local-addr @gol - -Wreturn-type -Wsequence-point -Wshadow @gol - -Wsign-compare -Wsign-conversion -Wfloat-conversion @gol -@@ -4209,6 +4210,14 @@ - 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 -Index: b/gcc/gcc.c -=================================================================== ---- a/gcc/gcc.c -+++ b/gcc/gcc.c -@@ -770,6 +770,8 @@ - "%{fuse-ld=*:-fuse-ld=%*}\ - %X %{o*} %{e*} %{N} %{n} %{r}\ - %{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}} " VTABLE_VERIFICATION_SPEC " \ -+ %{Wno-poison-system-directories:--no-poison-system-directories}\ -+ %{Werror=poison-system-directories:--error-poison-system-directories}\ - %{static:} %{L*} %(mfwrap) %(link_libgcc) " SANITIZER_EARLY_SPEC " %o\ - %{fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)}\ - %{fcilkplus:%:include(libcilkrts.spec)%(link_cilkrts)}\ -@@ -4034,6 +4036,12 @@ - gcc_assert (!compare_debug_opt); - } - -+ temp = getenv("BR_COMPILER_PARANOID_UNSAFE_PATH"); -+ if (temp && strlen(temp) > 0) -+ { -+ save_switch("-Werror=poison-system-directories", 0, NULL, false, true); -+ } -+ - /* Set up the search paths. We add directories that we expect to - contain GNU Toolchain components before directories specified by - the machine description so that we will find GNU components (like -Index: b/gcc/incpath.c -=================================================================== ---- a/gcc/incpath.c -+++ b/gcc/incpath.c -@@ -28,6 +28,7 @@ - #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. */ -@@ -382,6 +383,24 @@ - } - 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 diff --git a/package/gcc/5.2.0/200-gcc-poison-system-directories.patch b/package/gcc/5.2.0/200-gcc-poison-system-directories.patch deleted file mode 100644 index f41c0c48a2..0000000000 --- a/package/gcc/5.2.0/200-gcc-poison-system-directories.patch +++ /dev/null @@ -1,207 +0,0 @@ -From 160397ef3c3331099af028f1b8d3e085b07d88ad 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 16/35] gcc: poison-system-directories - -Adapted to Buildroot and gcc 4.9.1 by Thomas Petazzoni, especially the -addition of the BR_COMPILER_PARANOID_UNSAFE_PATH environment variable. - -Signed-off-by: Khem Raj <raj.khem@gmail.com> -Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> - -Upstream-Status: Inappropriate [distribution: codesourcery] ---- - gcc/Makefile.in | 2 +- - gcc/common.opt | 4 ++++ - gcc/config.in | 6 ++++++ - gcc/configure | 20 ++++++++++++++++++-- - gcc/configure.ac | 10 ++++++++++ - gcc/doc/invoke.texi | 9 +++++++++ - gcc/gcc.c | 2 ++ - gcc/incpath.c | 19 +++++++++++++++++++ - 8 files changed, 69 insertions(+), 3 deletions(-) - -Index: b/gcc/common.opt -=================================================================== ---- a/gcc/common.opt -+++ b/gcc/common.opt -@@ -623,6 +623,10 @@ - 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 -Index: b/gcc/config.in -=================================================================== ---- a/gcc/config.in -+++ b/gcc/config.in -@@ -168,6 +168,12 @@ - #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. */ -Index: b/gcc/configure -=================================================================== ---- a/gcc/configure -+++ b/gcc/configure -@@ -932,6 +932,7 @@ - enable_maintainer_mode - enable_link_mutex - enable_version_specific_runtime_libs -+enable_poison_system_directories - enable_plugin - enable_host_shared - enable_libquadmath_support -@@ -1661,6 +1662,8 @@ - --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 -@@ -28087,6 +28090,19 @@ - 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 -+ -+$as_echo "#define ENABLE_POISON_SYSTEM_DIRECTORIES 1" >>confdefs.h -+ -+fi -+ - # Substitute configuration variables - - -Index: b/gcc/configure.ac -=================================================================== ---- a/gcc/configure.ac -+++ b/gcc/configure.ac -@@ -5571,6 +5571,16 @@ - [specify that runtime libraries should be - installed in a compiler-specific directory])]) - -+AC_ARG_ENABLE([poison-system-directories], -+ AS_HELP_STRING([--enable-poison-system-directories], -+ [warn for use of native system header directories]),, -+ [enable_poison_system_directories=no]) -+if test "x${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) -Index: b/gcc/doc/invoke.texi -=================================================================== ---- a/gcc/doc/invoke.texi -+++ b/gcc/doc/invoke.texi -@@ -269,6 +269,7 @@ - -Woverlength-strings -Wpacked -Wpacked-bitfield-compat -Wpadded @gol - -Wparentheses -Wpedantic-ms-format -Wno-pedantic-ms-format @gol - -Wpointer-arith -Wno-pointer-to-int-cast @gol -+-Wno-poison-system-directories @gol - -Wredundant-decls -Wno-return-local-addr @gol - -Wreturn-type -Wsequence-point -Wshadow -Wno-shadow-ivar @gol - -Wshift-count-negative -Wshift-count-overflow @gol -@@ -4432,6 +4433,14 @@ - 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 -Index: b/gcc/gcc.c -=================================================================== ---- a/gcc/gcc.c -+++ b/gcc/gcc.c -@@ -835,6 +835,8 @@ - "%{fuse-ld=*:-fuse-ld=%*} " LINK_COMPRESS_DEBUG_SPEC \ - "%X %{o*} %{e*} %{N} %{n} %{r}\ - %{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}} " VTABLE_VERIFICATION_SPEC " \ -+ %{Wno-poison-system-directories:--no-poison-system-directories}\ -+ %{Werror=poison-system-directories:--error-poison-system-directories}\ - %{static:} %{L*} %(mfwrap) %(link_libgcc) " SANITIZER_EARLY_SPEC " %o\ - " CHKP_SPEC " \ - %{fopenacc|fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)}\ -@@ -4244,6 +4246,12 @@ - gcc_assert (!compare_debug_opt); - } - -+ temp = getenv("BR_COMPILER_PARANOID_UNSAFE_PATH"); -+ if (temp && strlen(temp) > 0) -+ { -+ save_switch("-Werror=poison-system-directories", 0, NULL, false, true); -+ } -+ - /* Set up the search paths. We add directories that we expect to - contain GNU Toolchain components before directories specified by - the machine description so that we will find GNU components (like -Index: b/gcc/incpath.c -=================================================================== ---- a/gcc/incpath.c -+++ b/gcc/incpath.c -@@ -28,6 +28,7 @@ - #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. */ -@@ -383,6 +384,24 @@ - } - 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 diff --git a/package/gcc/arc-2015.06/910-gcc-poison-system-directories.patch b/package/gcc/arc-2015.06/910-gcc-poison-system-directories.patch deleted file mode 100644 index 67b37997b8..0000000000 --- a/package/gcc/arc-2015.06/910-gcc-poison-system-directories.patch +++ /dev/null @@ -1,221 +0,0 @@ -From 160397ef3c3331099af028f1b8d3e085b07d88ad 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 16/35] gcc: poison-system-directories - -Adapted to Buildroot and gcc arc-4.8-R3 by Thomas Petazzoni, -especially the addition of the BR_COMPILER_PARANOID_UNSAFE_PATH -environment variable. - -Signed-off-by: Khem Raj <raj.khem@gmail.com> -Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> - -Upstream-Status: Inappropriate [distribution: codesourcery] ---- - gcc/Makefile.in | 2 +- - gcc/common.opt | 4 ++++ - gcc/config.in | 6 ++++++ - gcc/configure | 20 ++++++++++++++++++-- - gcc/configure.ac | 10 ++++++++++ - gcc/doc/invoke.texi | 9 +++++++++ - gcc/gcc.c | 2 ++ - gcc/incpath.c | 19 +++++++++++++++++++ - 8 files changed, 69 insertions(+), 3 deletions(-) - -Index: b/gcc/common.opt -=================================================================== ---- a/gcc/common.opt -+++ b/gcc/common.opt -@@ -595,6 +595,10 @@ - Common Var(pedantic) Warning - Issue warnings needed for strict compliance to the standard - -+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 -Index: b/gcc/config.in -=================================================================== ---- a/gcc/config.in -+++ b/gcc/config.in -@@ -138,6 +138,12 @@ - #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. */ -Index: b/gcc/configure -=================================================================== ---- a/gcc/configure -+++ b/gcc/configure -@@ -917,6 +917,7 @@ - with_system_zlib - enable_maintainer_mode - enable_version_specific_runtime_libs -+enable_poison_system_directories - enable_plugin - enable_libquadmath_support - with_linker_hash_style -@@ -1630,6 +1631,8 @@ - --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 - --disable-libquadmath-support - disable libquadmath support for Fortran -@@ -27103,6 +27106,19 @@ - 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 - - -Index: b/gcc/configure.ac -=================================================================== ---- a/gcc/configure.ac -+++ b/gcc/configure.ac -@@ -5063,6 +5063,16 @@ - [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) -Index: b/gcc/doc/invoke.texi -=================================================================== ---- a/gcc/doc/invoke.texi -+++ b/gcc/doc/invoke.texi -@@ -258,6 +258,7 @@ - -Woverlength-strings -Wpacked -Wpacked-bitfield-compat -Wpadded @gol - -Wparentheses -Wpedantic-ms-format -Wno-pedantic-ms-format @gol - -Wpointer-arith -Wno-pointer-to-int-cast @gol -+-Wno-poison-system-directories @gol - -Wredundant-decls -Wno-return-local-addr @gol - -Wreturn-type -Wsequence-point -Wshadow @gol - -Wsign-compare -Wsign-conversion -Wsizeof-pointer-memaccess @gol -@@ -4025,6 +4026,14 @@ - 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 -Index: b/gcc/gcc.c -=================================================================== ---- a/gcc/gcc.c -+++ b/gcc/gcc.c -@@ -740,6 +740,8 @@ - "%{fuse-ld=*:-fuse-ld=%*}\ - %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) " SANITIZER_EARLY_SPEC " %o\ - %{fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)}\ - %{fgnu-tm:%:include(libitm.spec)%(link_itm)}\ -@@ -3990,6 +3992,12 @@ - gcc_assert (!compare_debug_opt); - } - -+ temp = getenv("BR_COMPILER_PARANOID_UNSAFE_PATH"); -+ if (temp && strlen(temp) > 0) -+ { -+ save_switch("-Werror=poison-system-directories", 0, NULL, false, true); -+ } -+ - /* Set up the search paths. We add directories that we expect to - contain GNU Toolchain components before directories specified by - the machine description so that we will find GNU components (like -Index: b/gcc/incpath.c -=================================================================== ---- a/gcc/incpath.c -+++ b/gcc/incpath.c -@@ -28,6 +28,7 @@ - #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. */ -@@ -382,6 +383,24 @@ - } - 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 -Index: b/gcc/config/arc/arc.h -=================================================================== ---- a/gcc/config/arc/arc.h -+++ b/gcc/config/arc/arc.h -@@ -205,6 +205,8 @@ - %{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\ - %(linker) %l " LINK_PIE_SPEC "%X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}\ - %{s} %{t} %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\ -+ %{Wno-poison-system-directories:--no-poison-system-directories}\ -+ %{Werror=poison-system-directories:--error-poison-system-directories}\ - %{static:} %{L*} %(mfwrap) %(link_libgcc) %o\ - %{fopenmp:%:include(libgomp.spec)%(link_gomp)} %(mflib)\ - %{fprofile-arcs|fprofile-generate|coverage:-lgcov}\ diff --git a/package/gcc/gcc-final/gcc-final.mk b/package/gcc/gcc-final/gcc-final.mk index 2c16fdf6b3..a5be3c73ea 100644 --- a/package/gcc/gcc-final/gcc-final.mk +++ b/package/gcc/gcc-final/gcc-final.mk @@ -50,7 +50,6 @@ GCC_FINAL_CROSS_LANGUAGES = $(subst $(space),$(comma),$(GCC_FINAL_CROSS_LANGUAGE HOST_GCC_FINAL_CONF_OPTS = \ $(HOST_GCC_COMMON_CONF_OPTS) \ --enable-languages=$(GCC_FINAL_CROSS_LANGUAGES) \ - --enable-poison-system-directories \ --with-build-time-tools=$(HOST_DIR)/usr/$(GNU_TARGET_NAME)/bin HOST_GCC_FINAL_GCC_LIB_DIR = $(HOST_DIR)/usr/$(GNU_TARGET_NAME)/lib* |