ruby-2.1.6-r1 patchset.

Dropped sse2 patch since the patch no longer applied: the code in
configure.in is gone, so we assume this patch is no longer needed.

Add backported upstream patch to compile with hardened gcc.

4 files changed, 147 insertions, 0 deletions

diff --git a/patchsets/patches-2.1.6-r1/004_gfbsd7.patch b/patchsets/patches-2.1.6-r1/004_gfbsd7.patch
new file mode 100644
index 0000000..450d714
--- /dev/null
+++ b/patchsets/patches-2.1.6-r1/004_gfbsd7.patch
@@ -0,0 +1,37 @@
+--- configure.in.orig	2013-05-05 19:36:02.800254192 +0200
++++ configure.in	2013-05-05 19:37:56.573346196 +0200
+@@ -2156,7 +2156,7 @@
+ fi
+ 
+ AS_CASE(["$target_os"],
+-[linux* | gnu* | k*bsd*-gnu | bsdi* | kopensolaris*-gnu | nacl], [
++[linux* | gnu* | k*bsd*-gnu | bsdi* | kopensolaris*-gnu | nacl | freebsd* | dragonfly*], [
+     if test "$rb_cv_binary_elf" = no; then
+ 	with_dln_a_out=yes
+     else
+@@ -2249,7 +2249,7 @@
+ 	[bsdi3*], [	AS_CASE(["$CC"],
+ 			[*shlicc*], [	: ${LDSHARED='$(CC) -r'}
+ 					rb_cv_dlopen=yes])],
+-	[linux* | gnu* | k*bsd*-gnu | netbsd* | bsdi* | kopensolaris*-gnu], [
++	[linux* | gnu* | k*bsd*-gnu | netbsd* | bsdi* | kopensolaris*-gnu | freebsd7*], [
+ 			: ${LDSHARED='$(CC) -shared'}
+ 			if test "$rb_cv_binary_elf" = yes; then
+ 			    LDFLAGS="$LDFLAGS -Wl,-export-dynamic"
+@@ -2262,7 +2262,6 @@
+ 	[freebsd*|dragonfly*], [
+ 			: ${LDSHARED='$(CC) -shared'}
+ 			if test "$rb_cv_binary_elf" = yes; then
+-			    LDFLAGS="$LDFLAGS -rdynamic"
+ 			    DLDFLAGS="$DLDFLAGS "'-Wl,-soname,$@'
+ 			else
+ 			  test "$GCC" = yes && test "$rb_cv_prog_gnu_ld" = yes || LDSHARED='$(LD) -Bshareable'
+@@ -2638,7 +2637,7 @@
+     [sunos4*], [
+ 	LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(MAJOR).$(MINOR) lib$(RUBY_SO_NAME).so'
+ 	],
+-    [linux* | gnu* | k*bsd*-gnu | atheos* | kopensolaris*-gnu], [
++    [linux* | gnu* | k*bsd*-gnu | atheos* | kopensolaris*-gnu | freebsd7*], [
+ 	LIBRUBY_DLDFLAGS='-Wl,-soname,lib$(RUBY_SO_NAME).so.$(MAJOR).$(MINOR)'" $LDFLAGS_OPTDIR"
+ 	LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(MAJOR).$(MINOR) lib$(RUBY_SO_NAME).so'
+ 	if test "$load_relative" = yes; then
diff --git a/patchsets/patches-2.1.6-r1/005_no-undefined-ext.patch b/patchsets/patches-2.1.6-r1/005_no-undefined-ext.patch
new file mode 100644
index 0000000..f279932
--- /dev/null
+++ b/patchsets/patches-2.1.6-r1/005_no-undefined-ext.patch
@@ -0,0 +1,11 @@
+--- ruby-1.9.3-preview1.orig/configure.in
++++ ruby-1.9.3-preview1/configure.in
+@@ -2038,7 +2038,7 @@ if test "$with_dln_a_out" != yes; then
+ 	[linux* | gnu* | k*bsd*-gnu | netbsd* | bsdi* | kopensolaris*-gnu], [
+ 			: ${LDSHARED='$(CC) -shared'}
+ 			if test "$rb_cv_binary_elf" = yes; then
+-			    LDFLAGS="$LDFLAGS -Wl,-export-dynamic"
++			    LDFLAGS="$LDFLAGS -Wl,-export-dynamic -Wl,--no-undefined"
+ 			fi
+ 			rb_cv_dlopen=yes],
+ 	[interix*], [	: ${LDSHARED='$(CC) -shared'}
diff --git a/patchsets/patches-2.1.6-r1/009_no-gems.patch b/patchsets/patches-2.1.6-r1/009_no-gems.patch
new file mode 100644
index 0000000..7c61bbd
--- /dev/null
+++ b/patchsets/patches-2.1.6-r1/009_no-gems.patch
@@ -0,0 +1,62 @@
+--- tool/rbinstall.rb.~1~	2013-11-09 17:37:46.000000000 +0100
++++ tool/rbinstall.rb	2013-12-25 20:10:03.651964649 +0100
+@@ -711,58 +711,7 @@
+ # :startdoc:
+ 
+ install?(:ext, :comm, :gem) do
+-  $:.unshift(File.join(srcdir, "lib"))
+-  require("rubygems.rb")
+-  gem_dir = Gem.default_dir
+-  directories = Gem.ensure_gem_subdirectories(gem_dir, :mode => $dir_mode)
+-  prepare "default gems", gem_dir, directories
+-
+-  spec_dir = File.join(gem_dir, directories.grep(/^spec/)[0])
+-  default_spec_dir = "#{spec_dir}/default"
+-  makedirs(default_spec_dir)
+-
+-  gems = {}
+-  File.foreach(File.join(srcdir, "defs/default_gems")) do |line|
+-    line.chomp!
+-    line.sub!(/\s*#.*/, '')
+-    next if line.empty?
+-    words = []
+-    line.scan(/\G\s*([^\[\]\s]+|\[([^\[\]]*)\])/) do
+-      words << ($2 ? $2.split : $1)
+-    end
+-    name, base_dir, src, execs = *words
+-    next unless name and base_dir and src
+-
+-    src       = File.join(srcdir, src)
+-    base_dir  = File.join(srcdir, base_dir)
+-    specgen   = RbInstall::Specs::Generator.new(name, base_dir, src, execs || [])
+-    gems[name] ||= specgen
+-  end
+-
+-  Dir.glob(srcdir+"/{lib,ext}/**/*.gemspec").each do |src|
+-    specgen   = RbInstall::Specs::Reader.new(src)
+-    gems[specgen.gemspec.name] ||= specgen
+-  end
+-
+-  gems.sort.each do |name, specgen|
+-    gemspec   = specgen.gemspec
+-    base_dir  = specgen.src.sub(/\A#{Regexp.escape(srcdir)}\//, "")
+-    full_name = "#{gemspec.name}-#{gemspec.version}"
+-
+-    puts "#{" "*30}#{gemspec.name} #{gemspec.version}"
+-    gemspec_path = File.join(default_spec_dir, "#{full_name}.gemspec")
+-    open_for_install(gemspec_path, $data_mode) do
+-      specgen.spec_source
+-    end
+-
+-    unless gemspec.executables.empty? then
+-      bin_dir = File.join(gem_dir, 'gems', full_name, 'bin')
+-      makedirs(bin_dir)
+-
+-      execs = gemspec.executables.map {|exec| File.join(srcdir, 'bin', exec)}
+-      install(execs, bin_dir, :mode => $prog_mode)
+-    end
+-  end
++  # gems are unbundled in Gentoo.
+ end
+ 
+ parse_args()
diff --git a/patchsets/patches-2.1.6-r1/013_hardened_gcc.patch b/patchsets/patches-2.1.6-r1/013_hardened_gcc.patch
new file mode 100644
index 0000000..1fefd08
--- /dev/null
+++ b/patchsets/patches-2.1.6-r1/013_hardened_gcc.patch
@@ -0,0 +1,37 @@
+Index: thread_pthread.c
+===================================================================
+--- thread_pthread.c	(revision 50315)
++++ thread_pthread.c	(revision 50316)
+@@ -662,11 +662,16 @@
+ # endif
+     struct rlimit rl;
+     volatile char buf[0x100];
++    enum {stack_check_margin = 0x1000}; /* for -fstack-check */
++
+     STACK_GROW_DIR_DETECTION;
+ 
+     if (!getrlimit(RLIMIT_STACK, &rl) && rl.rlim_cur == RLIM_INFINITY)
+ 	return;
+ 
++    if (size < stack_check_margin) return;
++    size -= stack_check_margin;
++
+     size -= sizeof(buf); /* margin */
+     if (IS_STACK_DIR_UPPER()) {
+ 	const volatile char *end = buf + sizeof(buf);
+@@ -674,13 +679,14 @@
+ 	if (limit > end) {
+ 	    size = limit - end;
+ 	    limit = alloca(size);
+-	    limit[size-1] = 0;
++	    limit[stack_check_margin+size-1] = 0;
+ 	}
+     }
+     else {
+ 	limit -= size;
+ 	if (buf > limit) {
+ 	    limit = alloca(buf - limit);
++	    limit -= stack_check_margin;
+ 	    limit[0] = 0;
+ 	}
+     }