340 lines
9 KiB
Makefile
340 lines
9 KiB
Makefile
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#-------------------------------------------------------------------------
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# Source files
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#-------------------------------------------------------------------------
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gloss_hdrs = \
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machine/syscall.h \
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gloss_srcs = \
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nanosleep.c \
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sys_access.c \
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sys_chdir.c \
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sys_chmod.c \
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sys_chown.c \
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sys_close.c \
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sys_conv_stat.c \
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sys_execve.c \
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sys_exit.c \
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sys_faccessat.c \
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sys_fork.c \
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sys_fstatat.c \
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sys_fstat.c \
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sys_ftime.c \
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sys_getcwd.c \
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sys_getpid.c \
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sys_gettimeofday.c \
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sys_isatty.c \
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sys_kill.c \
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sys_link.c \
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sys_lseek.c \
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sys_lstat.c \
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sys_openat.c \
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sys_open.c \
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sys_read.c \
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sys_sbrk.c \
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sys_stat.c \
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sys_sysconf.c \
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sys_times.c \
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sys_unlink.c \
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sys_utime.c \
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sys_wait.c \
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sys_write.c
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# libsemihost reuses some of the libgloss minimal implementations
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semihost_srcs = \
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nanosleep.c \
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sys_chdir.c \
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sys_chmod.c \
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sys_chown.c \
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sys_execve.c \
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sys_fork.c \
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sys_getcwd.c \
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sys_getpid.c \
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sys_kill.c \
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sys_utime.c \
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sys_wait.c \
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semihost-sys_close.c \
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semihost-sys_exit.c \
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semihost-sys_fdtable.c \
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semihost-sys_fstat.c \
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semihost-sys_ftime.c \
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semihost-sys_isatty.c \
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semihost-sys_link.c \
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semihost-sys_lseek.c \
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semihost-sys_open.c \
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semihost-sys_read.c \
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semihost-sys_sbrk.c \
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semihost-sys_stat.c \
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semihost-sys_stat_common.c \
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semihost-sys_unlink.c \
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semihost-sys_write.c
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gloss_specs = \
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nano.specs sim.specs semihost.specs
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# Extra files
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crt0_asm = crt0.S
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# Multilib support variables.
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# TOP is used instead of MULTI{BUILD,SRC}TOP.
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MULTIDIRS =
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MULTISUBDIR =
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MULTIDO = true
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MULTICLEAN = true
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#-------------------------------------------------------------------------
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# Basic setup
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#-------------------------------------------------------------------------
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# Remove all default implicit rules since they can cause subtle bugs
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# and they just make things run slower
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.SUFFIXES:
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% : %,v
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% : RCS/%,v
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% : RCS/%
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% : s.%
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% : SCCS/s.%
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# Default is to build the prereqs of the all target (defined at bottom)
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default : all
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.PHONY : default
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# Source directory
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obj_dir := .
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src_dir := /home/seti/riscv-gnu-toolchain/newlib/libgloss/riscv
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VPATH := $(src_dir) $(src_dir)/machine
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# Installation directories
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prefix := /home/seti/riscv-gnu-toolchain/install-newlib-nano
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DESTDIR ?= $(prefix)
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install_hdrs_dir := $(DESTDIR)$(prefix)/$(target_alias)/include/machine
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install_libs_dir = $(DESTDIR)$(prefix)/$(target_alias)/lib${MULTISUBDIR}
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#-------------------------------------------------------------------------
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# Programs and flags
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#-------------------------------------------------------------------------
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# C compiler
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CC := riscv32-unknown-elf-gcc -B/home/seti/riscv-gnu-toolchain/build-newlib-nano/riscv32-unknown-elf/newlib/ -isystem /home/seti/riscv-gnu-toolchain/build-newlib-nano/riscv32-unknown-elf/newlib/targ-include -isystem /home/seti/riscv-gnu-toolchain/newlib/newlib/libc/include -B/home/seti/riscv-gnu-toolchain/build-newlib-nano/riscv32-unknown-elf/libgloss/riscv32 -L/home/seti/riscv-gnu-toolchain/build-newlib-nano/riscv32-unknown-elf/libgloss/libnosys -L/home/seti/riscv-gnu-toolchain/newlib/libgloss/riscv32
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CFLAGS := @CFLAGS@
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CPPFLAGS := -I$(obj_dir) -I$(src_dir)
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COMPILE := $(CC) -MMD -MP $(CPPFLAGS) $(CFLAGS)
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# Library creation
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AR := riscv32-unknown-elf-ar
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RANLIB := riscv32-unknown-elf-ranlib
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# Installation
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INSTALL := /usr/bin/install -c
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INSTALL_DATA := /usr/bin/install -c -m 644
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#-------------------------------------------------------------------------
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# Build Object Files from C Source
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#-------------------------------------------------------------------------
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gloss_c_srcs = $(filter %.c, $(gloss_srcs))
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gloss_c_objs = $(patsubst %.c, %.o, $(notdir $(gloss_c_srcs)))
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gloss_c_deps = $(patsubst %.c, %.d, $(notdir $(gloss_c_srcs)))
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$(gloss_c_objs) : %.o : %.c
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$(COMPILE) -c $<
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gloss_objs += $(gloss_c_objs)
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deps += $(gloss_c_deps)
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junk += $(gloss_c_deps) $(gloss_c_objs)
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sim_c_objs = $(patsubst %.c, sim-%.o, $(notdir $(gloss_c_srcs)))
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sim_c_deps = $(patsubst %.c, sim-%.d, $(notdir $(gloss_c_srcs)))
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$(sim_c_objs): sim-%.o : %.c
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$(COMPILE) -c -DUSING_SIM_SPECS -o $@ $<
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sim_objs += $(sim_c_objs)
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deps += $(sim_c_deps)
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junk += $(sim_c_deps) $(sim_c_objs)
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semihost_c_srcs = $(filter %.c, $(semihost_srcs))
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semihost_c_objs = $(patsubst %.c, semihost-%.o, $(notdir $(semihost_c_srcs)))
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semihost_c_deps = $(patsubst %.c, semihost-%.d, $(notdir $(semihost_c_srcs)))
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$(semihost_c_objs): semihost-%.o : %.c
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$(COMPILE) -c -o $@ $<
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semihost_objs += $(semihost_c_objs)
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deps += $(semihost_c_deps)
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junk += $(semihost_c_deps) $(semihost_c_objs)
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#-------------------------------------------------------------------------
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# Build Object Files from Assembly Source
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#-------------------------------------------------------------------------
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gloss_asm_srcs = $(filter %.S, $(gloss_srcs))
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gloss_asm_objs = $(patsubst %.S, %.o, $(notdir $(gloss_asm_srcs)))
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gloss_asm_deps = $(patsubst %.S, %.d, $(notdir $(gloss_asm_srcs)))
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$(gloss_asm_objs) : %.o : %.S
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$(COMPILE) -c -o $@ $<
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gloss_objs += $(gloss_asm_objs)
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deps += $(gloss_asm_deps)
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junk += $(gloss_asm_deps) $(gloss_asm_objs)
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sim_asm_objs = $(patsubst %.S, sim-%.o, $(notdir $(gloss_asm_srcs)))
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sim_asm_deps = $(patsubst %.S, sim-%.d, $(notdir $(gloss_asm_srcs)))
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$(sim_asm_objs) : sim-%.o : %.S
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$(COMPILE) -c -DUSING_SIM_SPECS -o $@ $<
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sim_objs += $(sim_asm_objs)
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deps += $(sim_asm_deps)
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junk += $(sim_asm_deps) $(sim_asm_objs)
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semihost_asm_objs = $(patsubst %.S, semihost-%.o, $(notdir $(gloss_asm_srcs)))
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semihost_asm_deps = $(patsubst %.S, semihost-%.d, $(notdir $(gloss_asm_srcs)))
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$(semihost_asm_objs) : semihost-%.o : %.S
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$(COMPILE) -c -DUSING_SEMIHOST_SPECS -o $@ $<
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semihost_objs += $(semihost_asm_objs)
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deps += $(semihost_asm_deps)
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junk += $(semihost_asm_deps) $(semihost_asm_objs)
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#-------------------------------------------------------------------------
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# Build libgloss.a
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#-------------------------------------------------------------------------
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gloss_lib = libgloss.a
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$(gloss_lib) : $(gloss_objs)
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$(AR) rcv $@ $^
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$(RANLIB) $@
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junk += $(gloss_lib)
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install_hdrs += $(gloss_hdrs)
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install_libs += $(gloss_lib)
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install_specs += $(gloss_specs)
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#-------------------------------------------------------------------------
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# Build libsim.a
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#-------------------------------------------------------------------------
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sim_lib = libsim.a
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$(sim_lib) : $(sim_objs)
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$(AR) rcv $@ $^
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$(RANLIB) $@
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junk += $(sim_lib)
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install_libs += $(sim_lib)
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#-------------------------------------------------------------------------
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# Build libsemihost.a
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#-------------------------------------------------------------------------
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semihost_lib = libsemihost.a
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$(semihost_lib) : $(semihost_objs)
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$(AR) rcv $@ $^
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$(RANLIB) $@
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junk += $(semihost_lib)
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install_libs += $(semihost_lib)
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#-------------------------------------------------------------------------
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# Build crt0.o
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#-------------------------------------------------------------------------
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crt0_obj = $(patsubst %.S, %.o, $(crt0_asm))
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crt0_deps = $(patsubst %.S, %.d, $(crt0_asm))
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$(crt0_obj) : %.o : %.S
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$(COMPILE) -c $<
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deps += $(crt0_deps)
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junk += $(crt0_deps) $(crt0_obj)
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install_libs += $(crt0_obj)
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#-------------------------------------------------------------------------
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# Autodependency files
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#-------------------------------------------------------------------------
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-include $(deps)
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deps : $(deps)
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.PHONY : deps
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#-------------------------------------------------------------------------
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# Installation
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#-------------------------------------------------------------------------
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install_hdrs_wdir += $(addprefix $(src_dir)/, $(install_hdrs))
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install-hdrs : $(install_hdrs_wdir)
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test -d $(install_hdrs_dir) || mkdir -p $(install_hdrs_dir)
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for file in $^; do \
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$(INSTALL_DATA) $$file $(install_hdrs_dir)/; \
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done
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install-libs : $(install_libs)
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test -d $(install_libs_dir) || mkdir -p $(install_libs_dir)
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for file in $^; do \
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$(INSTALL_DATA) $$file $(install_libs_dir)/$$file; \
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done
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install-specs : $(install_specs)
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test -d $(install_libs_dir) || mkdir -p $(install_libs_dir)
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for file in $^; do \
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$(INSTALL_DATA) $$file $(install_libs_dir)/; \
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done
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install : install-hdrs install-libs install-specs
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.PHONY : install install-hdrs install-libs
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#-------------------------------------------------------------------------
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# Regenerate configure information
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#-------------------------------------------------------------------------
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configure_prereq = \
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$(src_dir)/configure.in \
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$(src_dir)/configure : $(configure_prereq)
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cd $(src_dir) && autoconf
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config.status : $(src_dir)/configure
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./config.status --recheck
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Makefile : $(src_dir)/Makefile.in config.status
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./config.status
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dist_junk += config.status Makefile config.log
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#-------------------------------------------------------------------------
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# Default
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#-------------------------------------------------------------------------
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all : $(install_libs)
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.PHONY : all
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#-------------------------------------------------------------------------
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# Clean up junk
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#-------------------------------------------------------------------------
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clean :
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rm -rf *~ \#* $(junk)
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distclean :
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rm -rf *~ \#* $(junk) $(dist_junk)
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.PHONY : clean distclean
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