## GMP ##

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

ifneq ($(USE_BINARYBUILDER_GMP),1)

$(SRCCACHE)/gmp-$(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) $<

# Apply fix to avoid using Apple ARM reserved register X18
# Necessary for version 6.2.1, remove after next gmp release
$(SRCCACHE)/gmp-$(GMP_VER)/gmp-HG-changeset.patch-applied: $(SRCCACHE)/gmp-$(GMP_VER)/source-extracted
	cd $(dir $@) && \
		patch -p1 < $(SRCDIR)/patches/gmp-HG-changeset.patch
	echo 1 > $@

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

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

$(SRCCACHE)/gmp-$(GMP_VER)/build-patched: \
	$(SRCCACHE)/gmp-$(GMP_VER)/gmp-HG-changeset.patch-applied \
	$(SRCCACHE)/gmp-$(GMP_VER)/gmp-exception.patch-applied \
	$(SRCCACHE)/gmp-$(GMP_VER)/gmp_alloc_overflow_func.patch-applied

$(BUILDDIR)/gmp-$(GMP_VER)/build-configured: $(SRCCACHE)/gmp-$(GMP_VER)/source-extracted $(SRCCACHE)/gmp-$(GMP_VER)/build-patched
	mkdir -p $(dir $@)
	cd $(dir $@) && \
	$(dir $<)/configure $(CONFIGURE_COMMON) F77= --enable-cxx --enable-shared --disable-static $(GMP_CONFIGURE_OPTS)
	echo 1 > $@

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

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

define GMP_INSTALL
	mkdir -p $2/$(build_shlibdir) $2/$(build_includedir)
	$(INSTALL_M) $1/.libs/libgmp*$(SHLIB_EXT)* $2/$(build_shlibdir)
	$(INSTALL_F) $1/gmp.h $2/$(build_includedir)
endef
$(eval $(call staged-install, \
	gmp,gmp-$(GMP_VER), \
	GMP_INSTALL,,, \
	$$(INSTALL_NAME_CMD)libgmp.$$(SHLIB_EXT) $$(build_shlibdir)/libgmp.$$(SHLIB_EXT)))

clean-gmp:
	-rm $(BUILDDIR)/gmp-$(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