diff options
Diffstat (limited to 'recipes-devtools/gcc/gcc-4.7/gcc-poison-system-directories.patch')
| -rw-r--r-- | recipes-devtools/gcc/gcc-4.7/gcc-poison-system-directories.patch | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/recipes-devtools/gcc/gcc-4.7/gcc-poison-system-directories.patch b/recipes-devtools/gcc/gcc-4.7/gcc-poison-system-directories.patch new file mode 100644 index 00000000..b66b23b3 --- /dev/null +++ b/recipes-devtools/gcc/gcc-4.7/gcc-poison-system-directories.patch @@ -0,0 +1,223 @@ +Upstream-Status: Inappropriate [distribution: codesourcery] + + gcc/ + 2008-07-02 Joseph Myers <joseph@codesourcery.com> + * c-incpath.c: Include toplev.h. + (merge_include_chains): Use warning instead of cpp_error for + system directory poisoning diagnostic. + * Makefile.in (c-incpath.o): Depend on toplev.h. + * gcc.c (LINK_COMMAND_SPEC): Pass + --error-poison-system-directories if + -Werror=poison-system-directories. + + 2007-06-13 Joseph Myers <joseph@codesourcery.com> + * common.opt (--Wno-poison-system-directories): New. + * doc/invoke.texi (-Wno-poison-system-directories): Document. + * c-incpath.c: Include flags.h. + (merge_include_chains): Check flag_poison_system_directories. + * gcc.c (LINK_COMMAND_SPEC): Pass --no-poison-system-directories + to linker if -Wno-poison-system-directories. + * Makefile.in (c-incpath.o): Depend on $(FLAGS_H). + + 2007-03-20 Daniel Jacobowitz <dan@codesourcery.com> + Joseph Myers <joseph@codesourcery.com> + * configure.ac (--enable-poison-system-directories): New option. + * configure, config.in: Regenerate. + * c-incpath.c (merge_include_chains): If + ENABLE_POISON_SYSTEM_DIRECTORIES defined, warn for use of + /usr/include, /usr/local/include or /usr/X11R6/include. + +Index: gcc-4_7-branch/gcc/common.opt +=================================================================== +--- gcc-4_7-branch.orig/gcc/common.opt 2012-04-10 10:54:04.000000000 -0700 ++++ gcc-4_7-branch/gcc/common.opt 2012-04-10 10:56:02.259442274 -0700 +@@ -582,6 +582,10 @@ + 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: gcc-4_7-branch/gcc/config.in +=================================================================== +--- gcc-4_7-branch.orig/gcc/config.in 2012-04-10 10:54:04.000000000 -0700 ++++ gcc-4_7-branch/gcc/config.in 2012-04-10 10:56:02.259442274 -0700 +@@ -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: gcc-4_7-branch/gcc/configure.ac +=================================================================== +--- gcc-4_7-branch.orig/gcc/configure.ac 2012-04-10 10:55:32.000000000 -0700 ++++ gcc-4_7-branch/gcc/configure.ac 2012-04-10 10:56:02.259442274 -0700 +@@ -4959,6 +4959,16 @@ + [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: gcc-4_7-branch/gcc/doc/invoke.texi +=================================================================== +--- gcc-4_7-branch.orig/gcc/doc/invoke.texi 2012-04-10 10:54:04.000000000 -0700 ++++ gcc-4_7-branch/gcc/doc/invoke.texi 2012-04-10 10:56:02.263442231 -0700 +@@ -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 +@@ -3878,6 +3879,14 @@ + 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: gcc-4_7-branch/gcc/gcc.c +=================================================================== +--- gcc-4_7-branch.orig/gcc/gcc.c 2012-04-10 10:54:04.000000000 -0700 ++++ gcc-4_7-branch/gcc/gcc.c 2012-04-10 10:56:02.267442207 -0700 +@@ -673,6 +673,8 @@ + %{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)}\ +Index: gcc-4_7-branch/gcc/incpath.c +=================================================================== +--- gcc-4_7-branch.orig/gcc/incpath.c 2012-04-10 10:54:04.000000000 -0700 ++++ gcc-4_7-branch/gcc/incpath.c 2012-04-10 10:56:02.267442207 -0700 +@@ -361,6 +361,24 @@ + } + 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: gcc-4_7-branch/gcc/Makefile.in +=================================================================== +--- gcc-4_7-branch.orig/gcc/Makefile.in 2012-04-10 10:54:05.000000000 -0700 ++++ gcc-4_7-branch/gcc/Makefile.in 2012-04-10 10:56:02.267442207 -0700 +@@ -2065,7 +2065,7 @@ + + incpath.o: incpath.c incpath.h $(CONFIG_H) $(SYSTEM_H) $(CPPLIB_H) \ + intl.h prefix.h coretypes.h $(TM_H) cppdefault.h $(TARGET_H) \ +- $(MACHMODE_H) ++ $(MACHMODE_H) $(FLAGS_H) toplev.h + + CFLAGS-prefix.o += -DPREFIX=\"$(prefix)\" -DBASEVER=$(BASEVER_s) + prefix.o: prefix.c $(CONFIG_H) $(SYSTEM_H) coretypes.h prefix.h \ +Index: gcc-4_7-branch/gcc/configure +=================================================================== +--- gcc-4_7-branch.orig/gcc/configure 2012-04-10 10:55:32.000000000 -0700 ++++ gcc-4_7-branch/gcc/configure 2012-04-10 10:56:12.183442720 -0700 +@@ -914,6 +914,7 @@ + with_system_zlib + enable_maintainer_mode + enable_version_specific_runtime_libs ++enable_poison_system_directories + enable_plugin + enable_libquadmath_support + with_linker_hash_style +@@ -1627,6 +1628,8 @@ + --enable-version-specific-runtime-libs + specify that runtime libraries should be installed + in a compiler-specific directory ++ --enable-poison-system-directories ++ warn for use of native system header directories + --enable-plugin enable plugin support + --disable-libquadmath-support + disable libquadmath support for Fortran +@@ -17970,7 +17973,7 @@ + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +-#line 17973 "configure" ++#line 17976 "configure" + #include "confdefs.h" + + #if HAVE_DLFCN_H +@@ -18076,7 +18079,7 @@ + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +-#line 18079 "configure" ++#line 18082 "configure" + #include "confdefs.h" + + #if HAVE_DLFCN_H +@@ -27075,6 +27078,19 @@ + fi + + ++# Check whether --enable-poison-system-directories was given. ++if test "${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 + + |