Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0-only
2
3define allow-override
4 $(if $(or $(findstring environment,$(origin $(1))),\
5 $(findstring command line,$(origin $(1)))),,\
6 $(eval $(1) = $(2)))
7endef
8
9# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
10$(call allow-override,CC,$(CROSS_COMPILE)gcc)
11$(call allow-override,AR,$(CROSS_COMPILE)ar)
12$(call allow-override,STRIP,$(CROSS_COMPILE)strip)
13$(call allow-override,PKG_CONFIG,pkg-config)
14$(call allow-override,LD_SO_CONF_PATH,/etc/ld.so.conf.d/)
15$(call allow-override,LDCONFIG,ldconfig)
16export CC AR STRIP PKG_CONFIG LD_SO_CONF_PATH LDCONFIG
17
18FOPTS := -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \
19 -fasynchronous-unwind-tables -fstack-clash-protection
20WOPTS := -O -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 \
21 -Wp,-D_GLIBCXX_ASSERTIONS
22
23ifeq ($(CC),clang)
24 FOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(FOPTS))
25 WOPTS := $(filter-out -Wno-maybe-uninitialized, $(WOPTS))
26endif
27
28CFLAGS := -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(WOPTS) $(CFLAGS)
29LDFLAGS := -ggdb $(LDFLAGS)
30
31RM := rm -rf
32LN := ln -s
33INSTALL := install
34MKDIR := mkdir
35STRIP := strip
36BINDIR := /usr/bin
37CTAGS := ctags
38ETAGS := ctags -e
39
40.PHONY: install
41install: doc_install
42 @$(MKDIR) -p $(DESTDIR)$(BINDIR)
43 $(call QUIET_INSTALL,rtla)$(INSTALL) $(RTLA) -m 755 $(DESTDIR)$(BINDIR)
44 @$(STRIP) $(DESTDIR)$(BINDIR)/rtla
45 @test ! -f $(DESTDIR)$(BINDIR)/osnoise || $(RM) $(DESTDIR)$(BINDIR)/osnoise
46 @$(LN) rtla $(DESTDIR)$(BINDIR)/osnoise
47 @test ! -f $(DESTDIR)$(BINDIR)/hwnoise || $(RM) $(DESTDIR)$(BINDIR)/hwnoise
48 @$(LN) -s rtla $(DESTDIR)$(BINDIR)/hwnoise
49 @test ! -f $(DESTDIR)$(BINDIR)/timerlat || $(RM) $(DESTDIR)$(BINDIR)/timerlat
50 @$(LN) -s rtla $(DESTDIR)$(BINDIR)/timerlat
51
52.PHONY: tags
53tags:
54 $(CTAGS) -R --extras=+f --c-kinds=+p src
55
56.PHONY: TAGS
57TAGS:
58 $(ETAGS) -R --extras=+f --c-kinds=+p src
59
60.PHONY: tags_clean
61tags_clean:
62 $(RM) tags TAGS
63
64.PHONY: doc doc_clean doc_install
65doc:
66 $(MAKE) -C $(DOCSRC)
67
68doc_clean:
69 $(MAKE) -C $(DOCSRC) clean
70
71doc_install:
72 $(MAKE) -C $(DOCSRC) install
73
74# This section is necessary to make the rtla tarball
75NAME := rtla
76DIRS := src
77FILES := Makefile README.txt
78CEXT := bz2
79TARBALL := $(NAME)-$(VERSION).tar.$(CEXT)
80TAROPTS := -cvjf $(TARBALL)
81SRCTREE := $(or $(BUILD_SRC),$(CURDIR))
82
83tarball: clean
84 $(RM) $(NAME)-$(VERSION) && $(MKDIR) $(NAME)-$(VERSION)
85 echo $(VERSION) > $(NAME)-$(VERSION)/VERSION
86 cp -r $(DIRS) $(FILES) $(NAME)-$(VERSION)
87 $(MKDIR) $(NAME)-$(VERSION)/Documentation/
88 cp -rp $(SRCTREE)/../../../Documentation/tools/$(NAME)/* $(NAME)-$(VERSION)/Documentation/
89 cp Makefile.standalone $(NAME)-$(VERSION)/Makefile
90 cp Makefile.$(NAME) $(NAME)-$(VERSION)/
91 tar $(TAROPTS) --exclude='*~' $(NAME)-$(VERSION)
92 $(RM) $(NAME)-$(VERSION)
93.PHONY: tarball