Add m4 and a gnu-tools build set.

config/gnu-tools.cfg

@@ -0,0 +1,27 @@
+#
+# GNU Tools Set
+#
+
+%define release 1
+
+package: gnu-tool-%{_target}-%{release}
+
+#
+# Project custom message
+#
+%define gcc_version_message SB-%{release},gcc-%{gcc_version}/newlib-%{newlib_version}
+
+#
+# Enable G++
+#
+%define enable_cxx 1
+
+#
+# Tool configuration.
+#
+m4-1.4.16-1
+autoconf-2.69-1
+automake-1.12-1
+binutils-2.22-1
+gcc-4.6-newlib-1.20-1
+gdb-7.5-1

config/m4-1-1.cfg

@@ -0,0 +1,54 @@
+#
+# M4 1.xx Version 1.
+#
+# This configuration file configure's, make's and install's m4
+#
+# Warning: this package is only for bootstrapping within a build.
+#
+
+Summary:   M4 v%{m4_version} for host %{_host}
+Version:   %{m4_version}
+Release:   %{release}
+URL: 	   http://www.gnu.org/software/m4/
+BuildRoot: %{_tmppath}/%{name}-root-%(%{__id_u} -n)
+
+#
+# Source
+#
+Source0: ftp://ftp.gnu.org/gnu/m4/m4-%{m4_version}.tar.gz
+
+#
+# Prepare the source code.
+#
+%prep
+%setup -q -c -T -n %{name}-%{version}
+cd m4-%{m4_version}
+%{?patch0:%patch0 -p1}
+cd ..
+
+%build
+  export PATH="%{_bindir}:${PATH}"
+  cd m4-%{m4_version}
+
+%if "%{_build}" != "%{_host}"
+  CFLAGS_FOR_BUILD="-g -O2 -Wall" \
+%endif
+  CFLAGS="$SB_OPT_FLAGS" \
+  ./configure \
+    --build=%{_build} --host=%{_host} \
+    --verbose --disable-nls \
+    --without-included-gettext \
+    --prefix=$SB_TMPPREFIX
+
+  %{__make} %{?_smp_mflags} all
+
+  cd ..
+
+%install
+  export PATH="%{_bindir}:${PATH}"
+  rm -rf $SB_BUILD_ROOT
+
+  cd m4-%{m4_version}
+  %{__make} install
+
+  cd ..

config/m4-1.4.16-1.cfg

@@ -0,0 +1,21 @@
+#
+# M4 1.4.16
+#
+
+%ifn %{defined release}
+%error No 'release' defined
+%endif
+
+%include %{_configdir}/base.cfg
+
+%define m4_version 1.4.16
+
+Name: m4-%{m4_version}-%{_host}-%{release}
+
+%description
+M4 for host %{_host}.
+
+#
+# The m4 build instructions. We use 1.x.x Release 1.
+#
+%include %{_configdir}/m4-1-1.cfg