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SHELL := /usr/bin/env bash
ifeq ($(wildcard config.mak),)
$(error run ./configure first. See ./configure -h)
endif
include config.mak
# Set search path for all sources
VPATH = $(SRCDIR)
libdirs-get = $(shell [ -d "lib/$(1)" ] && echo "lib/$(1) lib/$(1)/asm")
ARCH_LIBDIRS := $(call libdirs-get,$(ARCH)) $(call libdirs-get,$(TEST_DIR))
OBJDIRS := $(ARCH_LIBDIRS)
DESTDIR := $(PREFIX)/share/kvm-unit-tests/
.PHONY: arch_clean clean distclean cscope
#make sure env CFLAGS variable is not used
CFLAGS =
libgcc := $(shell $(CC) --print-libgcc-file-name)
libcflat := lib/libcflat.a
cflatobjs := \
lib/argv.o \
lib/printf.o \
lib/string.o \
lib/abort.o \
lib/report.o \
lib/stack.o
# libfdt paths
LIBFDT_objdir = lib/libfdt
LIBFDT_srcdir = $(SRCDIR)/lib/libfdt
LIBFDT_archive = $(LIBFDT_objdir)/libfdt.a
LIBFDT_include = $(addprefix $(LIBFDT_srcdir)/,$(LIBFDT_INCLUDES))
LIBFDT_version = $(addprefix $(LIBFDT_srcdir)/,$(LIBFDT_VERSION))
OBJDIRS += $(LIBFDT_objdir)
#include architecture specific make rules
include $(SRCDIR)/$(TEST_DIR)/Makefile
# cc-option
# Usage: OP_CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
cc-option = $(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null \
> /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
COMMON_CFLAGS += -g $(autodepend-flags)
COMMON_CFLAGS += -Wall -Wwrite-strings -Wclobbered -Wempty-body -Wuninitialized
COMMON_CFLAGS += -Wignored-qualifiers -Wunused-but-set-parameter
COMMON_CFLAGS += -Werror
frame-pointer-flag=-f$(if $(KEEP_FRAME_POINTER),no-,)omit-frame-pointer
fomit_frame_pointer := $(call cc-option, $(frame-pointer-flag), "")
fnostack_protector := $(call cc-option, -fno-stack-protector, "")
fnostack_protector_all := $(call cc-option, -fno-stack-protector-all, "")
wno_frame_address := $(call cc-option, -Wno-frame-address, "")
fno_pic := $(call cc-option, -fno-pic, "")
no_pie := $(call cc-option, -no-pie, "")
COMMON_CFLAGS += $(fomit_frame_pointer)
COMMON_CFLAGS += $(fno_stack_protector)
COMMON_CFLAGS += $(fno_stack_protector_all)
COMMON_CFLAGS += $(wno_frame_address)
COMMON_CFLAGS += $(if $(U32_LONG_FMT),-D__U32_LONG_FMT__,)
COMMON_CFLAGS += $(fno_pic) $(no_pie)
CFLAGS += $(COMMON_CFLAGS)
CFLAGS += -Wmissing-parameter-type -Wold-style-declaration -Woverride-init
CXXFLAGS += $(COMMON_CFLAGS)
autodepend-flags = -MMD -MF $(dir $*).$(notdir $*).d
LDFLAGS += $(CFLAGS)
$(libcflat): $(cflatobjs)
$(AR) rcs $@ $^
include $(LIBFDT_srcdir)/Makefile.libfdt
$(LIBFDT_archive): CFLAGS += -ffreestanding -I $(SRCDIR)/lib -I $(SRCDIR)/lib/libfdt -Wno-sign-compare
$(LIBFDT_archive): $(addprefix $(LIBFDT_objdir)/,$(LIBFDT_OBJS))
$(AR) rcs $@ $^
# Build directory target
.PHONY: directories
directories:
@mkdir -p $(OBJDIRS)
%.o: %.S
$(CC) $(CFLAGS) -c -nostdlib -o $@ $<
-include */.*.d */*/.*.d
all: directories $(shell cd $(SRCDIR) && git rev-parse --verify --short=8 HEAD >$(PWD)/build-head 2>/dev/null)
standalone: all
@scripts/mkstandalone.sh
install: standalone
mkdir -p $(DESTDIR)
install tests/* $(DESTDIR)
clean: arch_clean
$(RM) lib/.*.d $(libcflat) $(cflatobjs)
libfdt_clean:
$(RM) $(LIBFDT_archive) \
$(addprefix $(LIBFDT_objdir)/,$(LIBFDT_OBJS)) \
$(LIBFDT_objdir)/.*.d
distclean: clean libfdt_clean
$(RM) lib/asm config.mak $(TEST_DIR)-run msr.out cscope.* build-head
$(RM) -r tests logs logs.old
cscope: cscope_dirs = lib lib/libfdt lib/linux $(TEST_DIR) $(ARCH_LIBDIRS) lib/asm-generic
cscope:
$(RM) ./cscope.*
find -L $(cscope_dirs) -maxdepth 1 \
-name '*.[chsS]' -print | sed 's,^\./,,' | sort -u > ./cscope.files
cscope -bk
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