# -*- makefile -*-

include Makefile.release

# Smash together user's values with values from Makefile.config
FIPS_CFLAGS = -DFIPS_VERSION=$(VERSION) $(CFLAGS) $(WARN_CFLAGS) $(TALLOC_CFLAGS) $(LIBELF_CFLAGS) $(extra_cflags)
FIPS_LDFLAGS = $(LDFLAGS) $(AS_NEEDED_LDFLAGS) $(TALLOC_LDFLAGS) $(LIBELF_LDFLAGS)

LIBFIPS_CFLAGS = $(CFLAGS) $(WARN_CFLAGS) $(GL_CFLAGS) $(EGL_CFLAGS) $(extra_cflags)
LIBFIPS_LDFLAGS = $(LDFLAGS) -ldl

FIPS_LINKER = CC

ALL_TARGETS = fips

ifeq ($(COMPILER_SUPPORTS_32),Yes)
ALL_TARGETS += libfips-32.so
endif

ifeq ($(COMPILER_SUPPORTS_64),Yes)
ALL_TARGETS += libfips-64.so
endif

.PHONY: all
all: $(ALL_TARGETS)

ifeq ($(MAKECMDGOALS),)
ifeq ($(shell cat .first-build-message 2>/dev/null),)
	@FIPS_FIRST_BUILD=1 $(MAKE) --no-print-directory all
	@echo ""
	@echo "Compilation of fips is now complete. You can install fips with:"
	@echo ""
	@echo "	make install"
	@echo ""
	@echo "Note that depending on the prefix to which you are installing"
	@echo "you may need root permission (such as \"sudo make install\")."
	@echo "See \"./configure --help\" for help on setting an alternate prefix."
	@echo Printed > .first-build-message
endif
endif

# The user has not set any verbosity, default to quiet mode and inform the
# user how to enable verbose compiles.
ifeq ($(V),)
quiet_DOC := "Use \"$(MAKE) V=1\" to see the verbose compile lines.\n"
quiet = @printf $(quiet_DOC)$(eval quiet_DOC:=)"$1 $@\n"; $($(shell echo $1 | sed -e s'/ .*//'))
endif
# The user has explicitly enabled quiet compilation.
ifeq ($(V),0)
quiet = @printf "$1 $@\n"; $($(shell echo $1 | sed -e s'/ .*//'))
endif
# Otherwise, print the full command line.
quiet ?= $($(shell echo $1 | sed -e s'/ .*//'))

%-32.o: %.c $(global_deps)
	@mkdir -p .deps/$(@D)
	$(call quiet,CC $(CFLAGS) -m32) -c $(LIBFIPS_CFLAGS) -m32 $< -o $@ -MD -MP -MF .deps/$*.d

%-64.o: %.c $(global_deps)
	@mkdir -p .deps/$(@D)
	$(call quiet,CC $(CFLAGS) -m64) -c $(LIBFIPS_CFLAGS) -m64 $< -o $@ -MD -MP -MF .deps/$*.d

%.o: %.c $(global_deps)
	@mkdir -p .deps/$(@D)
	$(call quiet,CC $(CFLAGS)) -c $(FIPS_CFLAGS) $< -o $@ -MD -MP -MF .deps/$*.d

.PHONY : clean
clean:
	rm -rf $(CLEAN); rm -rf .deps

.PHONY: distclean
distclean: clean
	rm -rf $(DISTCLEAN)

# Main program, fips

fips_srcs = \
	execute.c \
	fips.c \
	xmalloc.c

fips_modules = $(fips_srcs:.c=.o)

fips: $(fips_modules)
	$(call quiet,$(FIPS_LINKER) $(CFLAGS)) $(FIPS_CFLAGS) $^ $(FIPS_LDFLAGS) -o $@

# GL-wrapper library, libfips
LIBRARY_LINK_FLAGS = -shared -Wl,--version-script=libfips.sym

extra_cflags += -I$(srcdir) -fPIC

libfips_srcs = \
	context.c \
	dlwrap.c \
	fips-dispatch.c \
	fips-dispatch-gl.c \
	glwrap.c \
	glxwrap.c \
	metrics.c \
	metrics-info.c \
	xmalloc.c

ifeq ($(HAVE_EGL),Yes)
libfips_srcs += eglwrap.c
endif

libfips.sym: extract-wrapped-symbols $(libfips_srcs)
	$(call quiet,extract-wrapped-symbols) ./extract-wrapped-symbols $(libfips_srcs) > $@

libfips_32_modules = $(libfips_srcs:.c=-32.o)

libfips_64_modules = $(libfips_srcs:.c=-64.o)

libfips-32.so: $(libfips_32_modules) libfips.sym
	$(call quiet,$(FIPS_LINKER) $(CFLAGS) -m32) -o $@ $(LIBFIPS_CFLAGS) -m32 $(libfips_32_modules)  $(LIBRARY_LINK_FLAGS) $(LIBFIPS_LDFLAGS)

libfips-64.so: $(libfips_64_modules) libfips.sym
	$(call quiet,$(FIPS_LINKER) $(CFLAGS) -m64) -o $@ $(LIBFIPS_CFLAGS) -m64 $(libfips_64_modules) $(LIBRARY_LINK_FLAGS) $(LIBFIPS_LDFLAGS)

.PHONY: install
install: all
	mkdir -p $(DESTDIR)$(bindir)
	install fips $(DESTDIR)$(bindir)/fips
	mkdir -p $(DESTDIR)$(libdir)/fips
ifeq ($(COMPILER_SUPPORTS_32), Yes)
	install -m0644 libfips-32.so $(DESTDIR)$(libdir)/fips/libfips-32.so
endif
ifeq ($(COMPILER_SUPPORTS_64), Yes)
	install -m0644 libfips-64.so $(DESTDIR)$(libdir)/fips/libfips-64.so
endif
ifeq ($(MAKECMDGOALS), install)
	@echo ""
	@echo "Fips is now installed to $(DESTDIR)$(prefix)"
	@echo ""
endif

SRCS  := $(SRCS) $(fips_srcs) $(libfips_srcs)
CLEAN := $(CLEAN) fips $(fips_modules) $(libfips_32_modules) $(libfips_64_modules) libfips.sym

DISTCLEAN := $(DISTCLEAN) .first-build-message Makefile.config

DEPS := $(SRCS:%.c=.deps/%.d)

-include $(DEPS)