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https://github.com/iritmaximus/os.git
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77 lines
1.3 KiB
Makefile
77 lines
1.3 KiB
Makefile
CFLAGS?=-O2 -g
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CPPFLAGS?=
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LDFLAGS?=
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LIBS?=
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DESTDIR?=
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PREFIX?=/usr/local
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EXEC_PREFIX?=$(PREFIX)
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BOOTDIR?=$(PREFIX)
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INCLUDEDIR?=$(PREFIX)/include
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CFLAGS:=$(CFLAGS) -ffreestanding -Wall -Wextra
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CPPFLAGS:=$(CPPFLAGS) -D__is_kernel -Iinclude
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LIBK_CFLAGS:=$(CFLAGS)
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LIBK_CPPFLAGS:=$(CPPFLAGS) -D__is_libk
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HOSTARCH?=i386
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ARCHDIR=arch/$(HOSTARCH)
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FREEOBJS=\
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stdio/printf.o \
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stdio/putchar.o \
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stdio/puts.o \
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stdlib/itoa.o \
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string/strlen.o \
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ARCH_HOSTEDOBJS=
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HOSTEDOBJS=\
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$(ARCH_HOSTEDOBJS) \
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OBJS=\
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$(FREEOBJS) \
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$(HOSTEDOBJS) \
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LIBK_OBJS=$(FREEOBJS:.o=.libk.o)
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#BINARIES=libc.a libk.a # later...
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BINARIES=libk.a
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.PHONY: all install-headers install-libs clean
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.SUFFIXES: .o .libk.o .c .s
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all: $(BINARIES)
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libk.a: $(LIBK_OBJS)
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$(AR) rcs $@ $(LIBK_OBJS)
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libc.a: $(OBJS)
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$(AR) rcs $@ $(OBJS)
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.c.o:
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$(CC) -MD -c $< -o $@ -std=gnu11 $(CFLAGS) $(CPPFLAGS)
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.s.o:
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$(AS) $< -o $@
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.c.libk.o:
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$(CC) -MD -c $< -o $@ -std=gnu11 $(LIBK_CFLAGS) $(LIBK_CPPFLAGS)
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.s.libc.o:
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$(CC) -MD -c $< -o $@ -std=gnu11 $(LIBK_CFLAGS) $(LIBK_CPPFLAGS)
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install: install-headers install-libs
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install-headers:
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mkdir -p $(DESTDIR)$(INCLUDEDIR)
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cp -r include/. $(DESTDIR)$(INCLUDEDIR)/.
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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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clean:
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rm -f string/*.o
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rm -f *.a
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