## GMP ##
include $(SRCDIR)/gmp.version

ifneq ($(USE_BINARYBUILDER_GMP),1)

GMP_CONFIGURE_OPTS := $(CONFIGURE_COMMON)
GMP_CONFIGURE_OPTS += --enable-cxx --enable-shared --disable-static
GMP_CONFIGURE_OPTS += CC_FOR_BUILD="$(HOSTCC)"

ifeq ($(BUILD_ARCH),x86_64)
GMP_CONFIGURE_OPTS += --enable-fat
endif

ifeq ($(SANITIZE),1)
GMP_CONFIGURE_OPTS += --disable-assembly
endif

ifeq ($(BUILD_OS),WINNT)
GMP_CONFIGURE_OPTS += --srcdir="$(subst \,/,$(call mingw_to_dos,$(SRCCACHE)/gmp-$(GMP_VER)))"
endif

ifeq ($(OS),emscripten)
GMP_CONFIGURE_OPTS += CFLAGS="-fPIC"
endif

$(SRCCACHE)/gmp-$(GMP_VER).tar.bz2: | $(SRCCACHE)
	$(JLDOWNLOAD) $@ https://gmplib.org/download/gmp/$(notdir $@)

$(SRCCACHE)/gmp-$(GMP_VER)/source-extracted: $(SRCCACHE)/gmp-$(GMP_VER).tar.bz2
	$(JLCHECKSUM) $<
	cd $(dir $<) && $(TAR) -jxf $<
	touch -c $(SRCCACHE)/gmp-$(GMP_VER)/configure # old target
	echo 1 > $@

checksum-gmp: $(SRCCACHE)/gmp-$(GMP_VER).tar.bz2
	$(JLCHECKSUM) $<

$(SRCCACHE)/gmp-$(GMP_VER)/gmp-exception.patch-applied: $(SRCCACHE)/gmp-$(GMP_VER)/source-extracted
	cd $(dir $@) && \
		patch -p1 -f < $(SRCDIR)/patches/gmp-exception.patch
	echo 1 > $@

$(SRCCACHE)/gmp-$(GMP_VER)/gmp-alloc_overflow.patch-applied: $(SRCCACHE)/gmp-$(GMP_VER)/gmp-exception.patch-applied
	cd $(dir $@) && \
		patch -p1 -f < $(SRCDIR)/patches/gmp-alloc_overflow.patch
	echo 1 > $@

$(SRCCACHE)/gmp-$(GMP_VER)/source-patched: $(SRCCACHE)/gmp-$(GMP_VER)/gmp-alloc_overflow.patch-applied
	echo 1 > $@

$(BUILDDIR)/gmp-$(GMP_VER)/build-configured: $(SRCCACHE)/gmp-$(GMP_VER)/source-patched
	mkdir -p $(dir $@)
	cd $(dir $@) && \
	$(dir $<)/configure $(GMP_CONFIGURE_OPTS)
	echo 1 > $@

$(BUILDDIR)/gmp-$(GMP_VER)/build-compiled: $(BUILDDIR)/gmp-$(GMP_VER)/build-configured
	$(MAKE) -C $(dir $<)
	echo 1 > $@

$(BUILDDIR)/gmp-$(GMP_VER)/build-checked: $(BUILDDIR)/gmp-$(GMP_VER)/build-compiled
ifeq ($(OS),$(BUILD_OS))
	$(MAKE) -C $(dir $@) check
endif
	echo 1 > $@

$(eval $(call staged-install, \
	gmp,gmp-$(GMP_VER), \
	MAKE_INSTALL,,, \
	$$(WIN_MAKE_HARD_LINK) $(build_bindir)/libgmp-*.dll $(build_bindir)/libgmp.dll && \
		$$(INSTALL_NAME_CMD)libgmp.$$(SHLIB_EXT) $$(build_shlibdir)/libgmp.$$(SHLIB_EXT)))

clean-gmp:
	-rm -f $(BUILDDIR)/gmp-$(GMP_VER)/build-configured $(BUILDDIR)/gmp-$(GMP_VER)/build-compiled
	-$(MAKE) -C $(BUILDDIR)/gmp-$(GMP_VER) clean

distclean-gmp:
	rm -rf $(SRCCACHE)/gmp-$(GMP_VER).tar.bz2 \
		$(SRCCACHE)/gmp-$(GMP_VER) \
		$(BUILDDIR)/gmp-$(GMP_VER)

get-gmp: $(SRCCACHE)/gmp-$(GMP_VER).tar.bz2
extract-gmp: $(SRCCACHE)/gmp-$(GMP_VER)/source-extracted
configure-gmp: $(BUILDDIR)/gmp-$(GMP_VER)/build-configured
compile-gmp: $(BUILDDIR)/gmp-$(GMP_VER)/build-compiled
fastcheck-gmp: check-gmp
check-gmp: $(BUILDDIR)/gmp-$(GMP_VER)/build-checked

else # USE_BINARYBUILDER_GMP

$(eval $(call bb-install,gmp,GMP,false,true))

endif