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- # 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 $(LDFLAGS) $(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
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