Now quite modular

.gitignore

@@ -4,3 +4,4 @@ gcc*
 binutils*
 bin/*
 build*
+cross-cc*

Makefile

@@ -22,8 +22,8 @@
 #   along with OS/K.  If not, see <https://www.gnu.org/licenses/>.             #
 #=----------------------------------------------------------------------------=#
 
-.PHONY: retrieve compile showenv deflate configurebinutils binutils gcc clean
-.DEFAULT_GOAL := gcc
+.PHONY: retrieve compile showenv deflate clean  cross-cc
+.DEFAULT_GOAL := cross-cc
 
 
 ## VERSIONS ------------------------------------------------------------------ #
@@ -67,27 +67,34 @@ showenv:
 	@echo Target : $(TARGET)
 	@echo Thread number : $(NTHREADS)
 
-retrieve: showenv
+$(GCCTARNAME):
 	@echo ${CL2}[$@] ${NC}Downloading GCC sources...${CL3}
 	@wget $(GCC_SOURCES) -O $(GCCTARNAME) -q -c --show-progress
+	@echo ${CL2}[$@] ${CL}Success.${CL3}
+
+$(BINUTILSTARNAME):
 	@echo ${CL2}[$@] ${NC}Downloading BINUTILS sources...${CL3}
 	@wget $(BINUTILS_SOURCES) -O $(BINUTILSTARNAME) -q -c --show-progress
 	@echo ${CL2}[$@] ${CL}Success.${CL3}
 
-deflate:
-	@echo ${CL2}[$@] ${NC}Deflate GCC sources...${CL3}
+
+$(GCC_NAME): $(BINUTILSTARNAME)
+	@echo ${CL2}[$@] ${NC}Deflate $(GCC_NAME) sources...${CL3}
 	@tar -xaf $(GCCTARNAME) --skip-old-files
+	@echo ${CL2}[$@] ${CL}Success.${CL3}
+
+$(BINUTILS_NAME): $(GCCTARNAME)
 	@echo ${CL2}[$@] ${NC}Deflate $(BINUTILS_NAME) sources...${CL3}
 	@tar -xaf $(BINUTILSTARNAME) --skip-old-files
 	@echo ${CL2}[$@] ${CL}Success.${CL3}
 
-configurebinutils: retrieve deflate
+build-binutils: $(BINUTILS_NAME)
 	@echo ${CL2}[$@] ${NC}Configuring $(BINUTILS_NAME)...${CL3}
 	@mkdir -p build-binutils
 	cd build-binutils && ../$(BINUTILS_NAME)/configure --target=$(TARGET) --prefix="$(PREFIX)" --with-sysroot --disable-nls --disable-werror
 	@echo ${CL2}[$@] ${CL}Success.${CL3}
 
-binutils: configurebinutils
+$(PREFIX)/bin/x86_64-elf-objcopy: build-binutils
 	@echo ${CL2}[$@] ${NC}Compiling $(BINUTILS_NAME)...${CL3}
 	cd build-binutils && make -j $(NTHREADS)
 	@echo ${CL2}[$@] ${NC}Compiling $(BINUTILS_NAME)...${CL3}
@@ -95,7 +102,7 @@ binutils: configurebinutils
 	cd build-binutils && make install -j $(NTHREADS)
 	@echo ${CL2}[$@] ${CL}Success.${CL3}
 
-configuregcc:
+build-gcc: $(GCC_NAME)
 	@echo ${CL2}[$@] ${NC}Configuring $(GCC_NAME)...${CL3}
 	@cp multilib.opt $(GCC_NAME)/gcc/config/i386/t-x86_64-elf
 	@patch $(GCC_NAME)/gcc/config.gcc < patch-red-zone.diff
@@ -103,7 +110,7 @@ configuregcc:
 	cd build-gcc && ../$(GCC_NAME)/configure --target=$(TARGET) --prefix="$(PREFIX)" --disable-nls --enable-languages=c,c++ --without-headers
 	@echo ${CL2}[$@] ${CL}Success.${CL3}
 
-gcc: binutils configuregcc
+$(PREFIX)/bin/x86_64-elf-gcc: $(PREFIX)/bin/x86_64-elf-objcopy build-gcc
 	@echo ${CL2}[$@] ${NC}Compiling $(GCC_NAME)...${CL3}
 	cd build-gcc && make all-gcc -j $(NTHREADS)
 	cd build-gcc && make all-target-libgcc -j $(NTHREADS)
@@ -114,9 +121,11 @@ gcc: binutils configuregcc
 
 clean:
 	@mkdir -p build-gcc build-binutils
-	@cd build-gcc && rm -rf *
-	@cd build-binutils && rm -rf *
+	@rm -rf build-gcc
+	@rm -rf build-binutils
 	@rm -rf cross-cc
+	@rm -rf $(GCC_NAME)/gcc/config/i386/t-x86_64-elf
+	@patch -R $(GCC_NAME)/gcc/config.gcc < patch-red-zone.diff
 	@echo ${CL2}[$@] ${CL}Success.${CL3}
 
 
@@ -124,3 +133,5 @@ remove_all:
 	@rm -rf gcc*
 	@rm -rf bin*
 	@echo ${CL2}[$@] ${CL}Success.${CL3}
+
+cross-cc: $(PREFIX)/bin/x86_64-elf-gcc