# SPDX-License-Identifier: GPL-2.0-only
define allow-override
$(if $(or $(findstring environment,$(origin $(1))),\
$(findstring command line,$(origin $(1)))),,\
$(eval $(1) = $(2)))
endef
# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
$(call allow-override,CC,$(CROSS_COMPILE)gcc)
$(call allow-override,AR,$(CROSS_COMPILE)ar)
$(call allow-override,STRIP,$(CROSS_COMPILE)strip)
$(call allow-override,PKG_CONFIG,pkg-config)
$(call allow-override,LD_SO_CONF_PATH,/etc/ld.so.conf.d/)
$(call allow-override,LDCONFIG,ldconfig)
export CC AR STRIP PKG_CONFIG LD_SO_CONF_PATH LDCONFIG
FOPTS :=-flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \
-fasynchronous-unwind-tables -fstack-clash-protection
WOPTS := -O -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 \
-Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized
ifeq ($(CC),clang)
FOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(FOPTS))
WOPTS := $(filter-out -Wno-maybe-uninitialized, $(WOPTS))
endif
INCLUDE := -Iinclude/
CFLAGS := -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(WOPTS) $(EXTRA_CFLAGS) $(INCLUDE)
LDFLAGS := -ggdb $(EXTRA_LDFLAGS)
INSTALL := install
MKDIR := mkdir
STRIP := strip
BINDIR := /usr/bin
.PHONY: install
install: doc_install
$(Q)$(MKDIR) -p $(DESTDIR)$(BINDIR)
$(call QUIET_INSTALL,rv)$(INSTALL) $(OUTPUT)rv -m 755 $(DESTDIR)$(BINDIR)
$(Q)@$(STRIP) $(DESTDIR)$(BINDIR)/rv
.PHONY: doc doc_clean doc_install
doc:
$(MAKE) -C $(DOCSRC)
doc_clean:
$(MAKE) -C $(DOCSRC) clean
doc_install:
$(MAKE) -C $(DOCSRC) install