6: Fix gcc-13 support for MacOS

Update #4921

source-builder/config/gcc-13.cfg

@@ -0,0 +1,26 @@
+#
+# GCC 13
+#
+# This configuration file configure's, make's and install's gcc. It uses
+# newlib, ISL, MPFR and MPC in a one-tree build configuration.
+#
+
+%define isl_version 0.24
+%hash sha512 isl-%{isl_version}.tar.bz2 \
+        qrO929qWuAHQ9W0oaflDFXqtUqb25qYXRe3XQCNMY1w4IxryC8PxoI1Bal6XOpDhgkkHjtjkri8dXeV2WHOOlQ==
+# See #4657
+%patch add isl -p1 https://devel.rtems.org/raw-attachment/ticket/4657/fix-mac-arm64-isl-config.patch
+%hash sha512 fix-mac-arm64-isl-config.patch \
+        wH/bYFplINGUNYUEcx5jtUAhHvaAOD8cpOxltKxDridodTT9fYGWpNvoOg7PLEKkJUxx5gnuSEp2FFc7xJmi6A==
+
+%define mpfr_version 4.2.1
+%define mpfr_url https://ftp.gnu.org/gnu/mpfr
+%hash sha512 mpfr-%{mpfr_version}.tar.bz2 \
+        yBhCUy7MZjNI3rdADZEa1xkz07Ulovnlrc0EJlycD90fIuyiKfSCcDrH8iLvIJ/J4zndH6R9cq5X9/cLIzanbw==
+
+%define mpc_version 1.3.1
+%define mpc_url https://ftp.gnu.org/gnu/mpc
+%hash sha512 mpc-%{mpc_version}.tar.gz \
+        S6tO9gdvjF39yZ2BC1EQjO1h6ilCugwcky1iQ2ClRz3yDTKzAPx28rpKoql+Hydcn9SUobqfB8TLKtfOrrGulw==
+
+%include %{_configdir}/gcc-common-1.cfg

source-builder/config/gmp.cfg

@@ -14,18 +14,23 @@ Version:   %{gmp_version}
 Release:   %{release}
 URL: 	   https://gmplib.org/
 
+#
+# Allow the user to override the UURL
+#
+%if %{!defined gmp_url}
+ %define gmp_url https://gmplib.org/download/gmp
+%endif
+
 #
 # Source
 #
-%source set gmp https://gcc.gnu.org/pub/gcc/infrastructure/gmp-%{gmp_version}.tar.bz2
-
-%define gmp_extra_options %{nil}
+%source set gmp %{gmp_url}/gmp-%{gmp_version}.tar.bz2
 
 #
-# Do not use assembler if MacOS AARCH64
+# Allow extra options
 #
-%if %{_host_os} == darwin && %{_host_arch} == arm64
- %define gmp_extra_options %{gmp_extra_options} --disable-assembly
+%if %{!defined gmp_extra_options}
+  %define gmp_extra_options %{nil}
 %endif
 
 #