- create a gcc-4.7 branch

git-svn-id: svn://svn.debian.org/svn/gcccvs/branches/sid/gcc-4.7@5753 6ca36cf4-e1d1-0310-8c6f-e303bb2178ca

1 files changed, 29 insertions, 0 deletions

diff --git a/debian/patches/gcc-default-relro.diff b/debian/patches/gcc-default-relro.diff
new file mode 100644
index 0000000..dd6ae2d
--- /dev/null
+++ b/debian/patches/gcc-default-relro.diff
@@ -0,0 +1,29 @@
+# DP: Turn on -Wl,-z,relro by default.
+
+---
+ gcc/doc/invoke.texi |    3 +++
+ gcc/gcc.c           |    1 +
+ 2 files changed, 4 insertions(+), 0 deletions(-)
+
+--- a/src/gcc/doc/invoke.texi
++++ b/src/gcc/doc/invoke.texi
+@@ -9216,6 +9216,9 @@
+ linker.  When using the GNU linker, you can also get the same effect with
+ @samp{-Wl,-Map=output.map}.
+ 
++NOTE: In Ubuntu 8.10 and later versions, for LDFLAGS, the option
++@option{-Wl,-z,relro} is used.  To disable, use @option{-Wl,-z,norelro}.
++
+ @item -u @var{symbol}
+ @opindex u
+ Pretend the symbol @var{symbol} is undefined, to force linking of
+--- a/src/gcc/gcc.c
++++ b/src/gcc/gcc.c
+@@ -661,6 +661,7 @@
+     }"PLUGIN_COND_CLOSE" \
+     %{flto|flto=*:%<fcompare-debug*} \
+     %{flto} %{flto=*} %l " LINK_PIE_SPEC \
++   " -z relro "\
+    "%X %{o*} %{e*} %{N} %{n} %{r}\
+     %{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}}\
+     %{static:} %{L*} %(mfwrap) %(link_libgcc) %o\