Improve buildsystem by making build directory
We now create build directory for kernel and libc so that source directories are kept more clean.
This commit is contained in:
Bananymous
parent
c292ef5471
commit
c17f61611e
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@ -2,3 +2,4 @@
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isodir
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sysroot
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.vscode/
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.idea/
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@ -13,8 +13,8 @@ EXEC_PREFIX?=$(PREFIX)
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BOOTDIR?=$(EXEC_PREFIX)/boot
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INCLUDEDIR?=$(PREFIX)/include
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CFLAGS:=$(CFLAGS) -fstack-protector -ffreestanding -Wall -Wextra -Wno-unused-function
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CPPFLAGS:=$(CPPFLAGS) -D__is_kernel -Iinclude
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CFLAGS:=$(CFLAGS) -D__is_kernel -Iinclude -fstack-protector -ffreestanding -Wall -Wextra -Wno-unused-function
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CPPFLAGS:=$(CPPFLAGS)
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LDFLAGS:=$(LDFLAGS)
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LIBS:=$(LIBS) -nostdlib -lk -lgcc
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@ -26,6 +26,8 @@ CFLAGS:=$(CFLAGS) $(KERNEL_ARCH_CFLAGS)
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CPPFLAGS:=$(CPPFLAGS) $(KERNEL_ARCH_CPPFLAGS)
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LDFLAGS:=$(LDFLAGS) $(KERNEL_ARCH_LDFLAGS)
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LIBS:=$(LIBS) $(KERNEL_ARCH_LIBS)
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BUILDDIR=$(abspath build)
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KERNEL_OBJS=\
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$(KERNEL_ARCH_OBJS) \
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@ -51,29 +53,31 @@ $(LIBS) \
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$(ARCHDIR)/crtend.o \
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$(ARCHDIR)/crtn.o \
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.PHONY: all clean install install-headers install-kernel
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.PHONY: all always clean install install-headers install-kernel
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.SUFFIXES: .o .cpp .S
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all: banan-os.kernel
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banan-os.kernel: $(OBJS) $(ARCHDIR)/linker.ld
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$(CXX) -T $(ARCHDIR)/linker.ld -o $@ $(CFLAGS) $(CPPFLAGS) $(LINK_LIST)
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grub-file --is-x86-multiboot banan-os.kernel
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banan-os.kernel: always $(OBJS) $(ARCHDIR)/linker.ld
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cd $(BUILDDIR) && $(CC) -T ../$(ARCHDIR)/linker.ld -o banan-os.kernel $(CFLAGS) $(LINK_LIST)
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cd $(BUILDDIR) && grub-file --is-x86-multiboot banan-os.kernel
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$(ARCHDIR)/crtbegin.o $(ARCHDIR)/crtend.o:
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OBJ=`$(CXX) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -print-file-name=$(@F)` && cp "$$OBJ" $@
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OBJ=`$(CC) $(CFLAGS) $(LDFLAGS) -print-file-name=$(@F)` && cp "$$OBJ" $(BUILDDIR)/$@
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.cpp.o:
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$(CXX) -MD -c $< -o $@ $(CFLAGS) $(CPPFLAGS)
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$(CXX) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS) $(CPPFLAGS)
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.S.o:
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$(CXX) -MD -c $< -o $@ $(CFLAGS) $(CPPFLAGS)
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$(CC) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS)
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always:
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mkdir -p $(BUILDDIR)/arch/i386
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mkdir -p $(BUILDDIR)/kernel
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clean:
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rm -f banan-os.kernel
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rm -f $(OBJS) *.o */*.o */*/*.o
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rm -f $(OBJS:.o=.d) *.d */*.d */*/*.d
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rm -rf $(BUILDDIR)
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install: install-headers install-kernel
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install-headers:
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@ -82,6 +86,6 @@ install-headers:
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install-kernel: banan-os.kernel
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mkdir -p $(DESTDIR)$(BOOTDIR)
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cp banan-os.kernel $(DESTDIR)$(BOOTDIR)
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cp $(BUILDDIR)/banan-os.kernel $(DESTDIR)$(BOOTDIR)
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-include $(OBJS:.o=.d)
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@ -13,8 +13,8 @@ EXEC_PREFIX?=$(PREFIX)
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INCLUDEDIR?=$(PREFIX)/include
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LIBDIR?=$(EXEC_PREFIX)/lib
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CFLAGS:=$(CFLAGS) -ffreestanding -Wall -Wextra
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CPPFLAGS:=$(CPPFLAGS) -D__is_libc -Iinclude
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CFLAGS:=$(CFLAGS) -D__is_libc -Iinclude -ffreestanding -Wall -Wextra
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CPPFLAGS:=$(CPPFLAGS)
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LIBK_CFLAGS:=$(CFLAGS)
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LIBK_CPPFLAGS:=$(CPPFLAGS) -D__is_libk
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@ -27,6 +27,8 @@ CPPFLAGS:=$(CPPFLAGS) $(ARCH_CPPFLAGS)
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LIBK_CFLAGS:=$(LIBK_CFLAGS) $(KERNEL_ARCH_CFLAGS)
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LIBK_CPPFLAGS:=$(LIBK_CPPFLAGS) $(KERNEL_ARCH_CPPFLAGS)
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BUILDDIR=$(abspath build)
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FREEOBJS=\
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$(ARCH_FREEOBJS) \
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stdio/printf.o \
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@ -54,33 +56,36 @@ LIBK_OBJS=$(FREEOBJS:.o=.libk.o)
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#BINARIES=libc.a libk.a # Not ready for libc yet.
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BINARIES=libk.a
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.PHONY: all clean install install-headers install-libs
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.PHONY: all always clean install install-headers install-libs
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.SUFFIXES: .o .libk.o .cpp .S
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all: $(BINARIES)
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libc.a: $(OBJS)
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$(AR) rcs $@ $(OBJS)
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libc.a: always $(OBJS)
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cd $(BUILDDIR) && $(AR) rcs $@ $(OBJS)
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libk.a: $(LIBK_OBJS)
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$(AR) rcs $@ $(LIBK_OBJS)
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libk.a: always $(LIBK_OBJS)
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cd $(BUILDDIR) && $(AR) rcs $@ $(LIBK_OBJS)
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.cpp.o:
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$(CXX) -MD -c $< -o $@ $(CFLAGS) $(CPPFLAGS)
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$(CXX) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS) $(CPPFLAGS)
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.S.o:
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$(CXX) -MD -c $< -o $@ $(CFLAGS) $(CPPFLAGS)
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$(CXX) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS) $(CPPFLAGS)
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.cpp.libk.o:
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$(CXX) -MD -c $< -o $@ $(LIBK_CFLAGS) $(LIBK_CPPFLAGS)
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$(CXX) -MD -c $< -o $(BUILDDIR)/$@ $(LIBK_CFLAGS) $(LIBK_CPPFLAGS)
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.S.libk.o:
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$(CXX) -MD -c $< -o $@ $(LIBK_CFLAGS) $(LIBK_CPPFLAGS)
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$(CXX) -MD -c $< -o $(BUILDDIR)/$@ $(LIBK_CFLAGS) $(LIBK_CPPFLAGS)
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clean:
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rm -f $(BINARIES) *.a
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rm -f $(OBJS) $(LIBK_OBJS) *.o */*.o */*/*.o
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rm -f $(OBJS:.o=.d) $(LIBK_OBJS:.o=.d) *.d */*.d */*/*.d
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rm -rf $(BUILDDIR)
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always:
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mkdir -p $(BUILDDIR)/stdio
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mkdir -p $(BUILDDIR)/stdlib
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mkdir -p $(BUILDDIR)/string
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install: install-headers install-libs
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@ -90,7 +95,7 @@ install-headers:
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install-libs: $(BINARIES)
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mkdir -p $(DESTDIR)$(LIBDIR)
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cp $(BINARIES) $(DESTDIR)$(LIBDIR)
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cp $(BUILDDIR)/$(BINARIES) $(DESTDIR)$(LIBDIR)
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-include $(OBJS:.o=.d)
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-include $(LIBK_OBJS:.o=.d)
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