Added OS4 makefile

Makefile.os4

@@ -0,0 +1,34 @@
+
+USE_CLIB2=YES
+ifeq ($(USE_CLIB2), YES)
+LIBC=clib2
+else
+LIBC=newlib
+endif
+
+all: build
+
+init:
+	git submodule update --init
+	autoreconf --install --force --symlink
+
+build: init
+	CC="ppc-amigaos-gcc" CFLAGS="-mcrt=${LIBC} -fPIC" CXXFLAGS="-mcrt=${LIBC} -fPIC" LDFlags="-mcrt=${LIBC}" LIBS=" -lpthread -athread=native" ./configure --host=ppc-amigaos --enable-shared=no --enable-builtin --disable-runtime && \
+	make -j$(shell nproc)
+
+clean:
+	@make -f Makefile clean
+	@rm -rf autom4te.cache .deps
+	@rm compile config.guess config.log config.status config.sub configure depcomp install-sh libtool ltmain.sh missing test-driver INSTALL Makefile Makefile.in *.m4
+
+# release:
+# 	mkdir -p release/local/common/include/hyphen
+# 	mkdir -p release/local/clib2/lib
+# 	mkdir -p release/local/newlib/lib
+# 	make -f Makefile.os4 USE_CLIB2=YES
+# 	cp ./.libs/libhyphen.a ./.libs/libhyphen.la release/local/clib2/lib/
+# 	cp ./*.h release/local/common/include/hyphen/
+# 	make -f Makefile.os4 clean
+# 	make -f Makefile.os4 USE_CLIB2=NO
+# 	cp ./.libs/libhyphen.a ./.libs/libhyphen.la release/local/newlib/lib/
+# 	lha -aeq libhyphen.lha release/