update patch to gcc 13.3.0

local_patch/patch-rsb.sh

@@ -8,4 +8,4 @@ set -xe
 mkdir -p $RSB/rtems/patches
 cp $THIS/gcc.patch $RSB/rtems/patches
 
-cp $THIS/rtems-gcc-13.2-newlib-head.cfg $RSB/rtems/config/tools/rtems-gcc-13.2-newlib-head.cfg
+cp $THIS/rtems-gcc-13.3-newlib-head.cfg $RSB/rtems/config/tools

local_patch/rtems-gcc-13.3-newlib-head.cfg

@@ -0,0 +1,34 @@
+%include %{_configdir}/checks.cfg
+%include %{_configdir}/base.cfg
+
+%define gcc_version 13.3.0
+%source set gcc https://ftp.gnu.org/gnu/gcc/gcc-%{gcc_version}/gcc-%{gcc_version}.tar.xz
+%hash sha512 gcc-%{gcc_version}.tar.xz \
+  7V8vTG7Sx5b88sk3BxWenb092xugY9VJgE3WjNq7ttVQmFrhyEZa6aM2z+KSdKbrD0LiGSQ2BXTr2OXVx8moAQ==
+
+%patch add gcc -p1 https://gitlab.rtems.org/-/project/26/uploads/5c21ed0a5ada4d4dc57a19e3b97d3e10/gcc-13.3.0-RTEMS-riscv-multilib.patch
+%hash sha512 gcc-13.3.0-RTEMS-riscv-multilib.patch \
+        cb8815d02e9d9d51074daa262b95b2288083a6683676c38a27e304cd8479fc3db347e54a4f937e50e232d90da5742fd99d93612de7356bb7fa0bbc98e4938491
+
+# C++ filesystem support
+%patch add gcc -p1 https://gitlab.rtems.org/-/project/7/uploads/cc2fab985ed0ea695d333fbabd2b2887/v2-0001-libstdc-v3-Enable-features-for-RTEMS.patch
+%hash sha512 v2-0001-libstdc-v3-Enable-features-for-RTEMS.patch \
+        bu6DuVp4StljkSpA4/rv3Mygi42+LR/ca9s9mLFS/ybTufVm91XYnDB9GF3mU/9h48jf66U9PvrOP0V+Ovb+RQ==
+
+%define newlib_version 1b3dcfd
+%define newlib_external 1
+%define newlib_expand_name sourceware-mirror-newlib-cygwin-%{newlib_version}
+%source set newlib --rsb-file=newlib-%{newlib_version}.tar.gz https://codeload.github.com/RTEMS/sourceware-mirror-newlib-cygwin/tar.gz/%{newlib_version}
+%hash sha512 newlib-%{newlib_version}.tar.gz \
+  VBoijuKCbmakL74eYKJgt7AZYyGZYI0rgvnb5rNpaoR7Doh0dcqToEg9MStkw2waai63bJshO7RC6q0SdZVgXQ==
+
+%define gcc_pre_install %include tools/rtems-install-stdcxx.cfg
+
+%patch add gcc file:///local_patch/gcc.patch
+%hash sha256 gcc.patch 9c2b548cf4c2b4dd202993b221afef14bd1ce9b799b2209755507190648fdffe
+
+%define with_threads 1
+%define with_plugin 0
+%define with_iconv 1
+
+%include %{_configdir}/gcc-13.cfg

notes.md

@@ -16,16 +16,16 @@ Motivation: keep the containers small.
 - The gcc config for this is
   - `rtems/config/tools/rtems-gcc-13.2-newlib-head.cfg`
 - The tar file it gets is
-  - `https://ftp.rtems.org/pub/rtems/releases/6/rc/6.1-rc2/sources/gcc-13.2.0.tar.xz`
+  - `https://ftp.rtems.org/pub/rtems/releases/6/rc/6.1-rc2/sources/gcc-13.3.0.tar.xz`
 - Which ends up in
-  - `sources/gcc-13.2.0.tar.xz`
+  - `sources/gcc-13.3.0.tar.xz`
 
 It looks like we need to add something like this:
 ```
-%patch add gcc %{rtems_gcc_patches}/gcc-core-4.4.7-rtems4.10-20120314.diff
-%hash md5 gcc-core-4.4.7-rtems4.10-20120314.diff 084c9085c255b1f6a9204e239dde0579
+%patch add gcc file:///local_patch/gcc.patch
+%hash sha256 gcc.patch 9c2b548cf4c2b4dd202993b221afef14bd1ce9b799b2209755507190648fdffe
 ```
-to `rtems-gcc-13.2-newlib-head.cfg` in order to patch the gcc build.
+to `rtems-gcc-13.3-newlib-head.cfg` in order to patch the gcc build.
 
 Note the value of %{rtems_gcc_pathces} gets set here:
 - `rtems/config/rtems-urls.bset`
@@ -38,3 +38,13 @@ The above tar file is expanded into
 - `rtems/build/powerpc-rtems6-gcc-13.2.0-newlib-3cacedb-x86_64-linux-gnu-1`
 
 So just need to look through that and work out a patch! :-O
+
+## UPDATE Jan 2024
+
+So what needs patching is defined in local_patch/gcc.patch.
+BUT NOTE: this essentially overriding the two Make MACROS:-
+- MULTILIB_OPTIONS
+- MULTILIB_DIRNAMES
+
+Surely it would be better to work out how to pass overrides for these to the
+make command line.