[Buildroot] [PATCH] gcc: disable split-stack for non-thread builds

[Waldemar Brodkorb]

Hi,

ping?

@Thomas: remember our deal, your thumb simplication patch is
included into uClibc-ng ;)

Waldemar Brodkorb wrote,

> This fixes bug 8766:
> https://bugs.busybox.net/show_bug.cgi?id=8766
> 
> Signed-off-by: Waldemar Brodkorb <wbx at openadk.org>
> ---
>  .../4.8.5/930-libgcc-disable-split-stack-nothreads.patch |   14 ++++++++++++++
>  .../4.9.3/930-libgcc-disable-split-stack-nothreads.patch |   14 ++++++++++++++
>  .../5.3.0/930-libgcc-disable-split-stack-nothreads.patch |   14 ++++++++++++++
>  3 files changed, 42 insertions(+)
>  create mode 100644 package/gcc/4.8.5/930-libgcc-disable-split-stack-nothreads.patch
>  create mode 100644 package/gcc/4.9.3/930-libgcc-disable-split-stack-nothreads.patch
>  create mode 100644 package/gcc/5.3.0/930-libgcc-disable-split-stack-nothreads.patch
> 
> diff --git a/package/gcc/4.8.5/930-libgcc-disable-split-stack-nothreads.patch b/package/gcc/4.8.5/930-libgcc-disable-split-stack-nothreads.patch
> new file mode 100644
> index 0000000..7799c12
> --- /dev/null
> +++ b/package/gcc/4.8.5/930-libgcc-disable-split-stack-nothreads.patch
> @@ -0,0 +1,14 @@
> +disable split-stack for non-thread builds
> +
> +Signed-off-by: Waldemar Brodkorb <wbx at openadk.org>
> +
> +diff -Nur gcc-4.8.5.orig/libgcc/config/t-stack gcc-4.8.5/libgcc/config/t-stack
> +--- gcc-4.8.5.orig/libgcc/config/t-stack	2010-10-01 21:31:49.000000000 +0200
> ++++ gcc-4.8.5/libgcc/config/t-stack	2016-03-07 05:28:12.000000000 +0100
> +@@ -1,4 +1,6 @@
> + # Makefile fragment to provide generic support for -fsplit-stack.
> + # This should be used in config.host for any host which supports
> + # -fsplit-stack.
> ++ifeq ($(enable_threads),yes)
> + LIB2ADD_ST += $(srcdir)/generic-morestack.c $(srcdir)/generic-morestack-thread.c
> ++endif
> diff --git a/package/gcc/4.9.3/930-libgcc-disable-split-stack-nothreads.patch b/package/gcc/4.9.3/930-libgcc-disable-split-stack-nothreads.patch
> new file mode 100644
> index 0000000..670cf8d
> --- /dev/null
> +++ b/package/gcc/4.9.3/930-libgcc-disable-split-stack-nothreads.patch
> @@ -0,0 +1,14 @@
> +disable split-stack for non-thread builds
> +
> +Signed-off-by: Waldemar Brodkorb <wbx at openadk.org>
> +
> +diff -Nur gcc-4.9.3.orig/libgcc/config/t-stack gcc-4.9.3/libgcc/config/t-stack
> +--- gcc-4.9.3.orig/libgcc/config/t-stack	2010-10-01 21:31:49.000000000 +0200
> ++++ gcc-4.9.3/libgcc/config/t-stack	2016-03-07 01:34:32.000000000 +0100
> +@@ -1,4 +1,6 @@
> + # Makefile fragment to provide generic support for -fsplit-stack.
> + # This should be used in config.host for any host which supports
> + # -fsplit-stack.
> ++ifeq ($(enable_threads),yes)
> + LIB2ADD_ST += $(srcdir)/generic-morestack.c $(srcdir)/generic-morestack-thread.c
> ++endif
> diff --git a/package/gcc/5.3.0/930-libgcc-disable-split-stack-nothreads.patch b/package/gcc/5.3.0/930-libgcc-disable-split-stack-nothreads.patch
> new file mode 100644
> index 0000000..07f9a73
> --- /dev/null
> +++ b/package/gcc/5.3.0/930-libgcc-disable-split-stack-nothreads.patch
> @@ -0,0 +1,14 @@
> +disable split-stack for non-thread builds
> +
> +Signed-off-by: Waldemar Brodkorb <wbx at openadk.org>
> +
> +diff -Nur gcc-5.3.0.orig/libgcc/config/t-stack gcc-5.3.0/libgcc/config/t-stack
> +--- gcc-5.3.0.orig/libgcc/config/t-stack	2010-10-01 21:31:49.000000000 +0200
> ++++ gcc-5.3.0/libgcc/config/t-stack	2016-03-07 03:25:32.000000000 +0100
> +@@ -1,4 +1,6 @@
> + # Makefile fragment to provide generic support for -fsplit-stack.
> + # This should be used in config.host for any host which supports
> + # -fsplit-stack.
> ++ifeq ($(enable_threads),yes)
> + LIB2ADD_ST += $(srcdir)/generic-morestack.c $(srcdir)/generic-morestack-thread.c
> ++endif
> -- 
> 1.7.10.4
> 
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