Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1NAME := rtla
2# Follow the kernel version
3VERSION := $(shell cat VERSION 2> /dev/null || make -sC ../../.. kernelversion)
4
5# From libtracefs:
6# Makefiles suck: This macro sets a default value of $(2) for the
7# variable named by $(1), unless the variable has been set by
8# environment or command line. This is necessary for CC and AR
9# because make sets default values, so the simpler ?= approach
10# won't work as expected.
11define allow-override
12 $(if $(or $(findstring environment,$(origin $(1))),\
13 $(findstring command line,$(origin $(1)))),,\
14 $(eval $(1) = $(2)))
15endef
16
17# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
18$(call allow-override,CC,$(CROSS_COMPILE)gcc)
19$(call allow-override,AR,$(CROSS_COMPILE)ar)
20$(call allow-override,STRIP,$(CROSS_COMPILE)strip)
21$(call allow-override,PKG_CONFIG,pkg-config)
22$(call allow-override,LD_SO_CONF_PATH,/etc/ld.so.conf.d/)
23$(call allow-override,LDCONFIG,ldconfig)
24
25INSTALL = install
26FOPTS := -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \
27 -fasynchronous-unwind-tables -fstack-clash-protection
28WOPTS := -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized
29
30TRACEFS_HEADERS := $$($(PKG_CONFIG) --cflags libtracefs)
31
32CFLAGS := -O -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(MOPTS) $(WOPTS) $(TRACEFS_HEADERS)
33LDFLAGS := -ggdb
34LIBS := $$($(PKG_CONFIG) --libs libtracefs) -lprocps
35
36SRC := $(wildcard src/*.c)
37HDR := $(wildcard src/*.h)
38OBJ := $(SRC:.c=.o)
39DIRS := src
40FILES := Makefile README.txt
41CEXT := bz2
42TARBALL := $(NAME)-$(VERSION).tar.$(CEXT)
43TAROPTS := -cvjf $(TARBALL)
44BINDIR := /usr/bin
45DATADIR := /usr/share
46DOCDIR := $(DATADIR)/doc
47MANDIR := $(DATADIR)/man
48LICDIR := $(DATADIR)/licenses
49SRCTREE := $(or $(BUILD_SRC),$(CURDIR))
50
51# If running from the tarball, man pages are stored in the Documentation
52# dir. If running from the kernel source, man pages are stored in
53# Documentation/tools/rtla/.
54ifneq ($(wildcard Documentation/.*),)
55DOCSRC = Documentation/
56else
57DOCSRC = $(SRCTREE)/../../../Documentation/tools/rtla/
58endif
59
60.PHONY: all
61all: rtla
62
63rtla: $(OBJ)
64 $(CC) -o rtla $(LDFLAGS) $(OBJ) $(LIBS)
65
66static: $(OBJ)
67 $(CC) -o rtla-static $(LDFLAGS) --static $(OBJ) $(LIBS) -lpthread -ldl
68
69.PHONY: install
70install: doc_install
71 $(INSTALL) -d -m 755 $(DESTDIR)$(BINDIR)
72 $(INSTALL) rtla -m 755 $(DESTDIR)$(BINDIR)
73 $(STRIP) $(DESTDIR)$(BINDIR)/rtla
74 @test ! -f $(DESTDIR)$(BINDIR)/osnoise || rm $(DESTDIR)$(BINDIR)/osnoise
75 ln -s $(DESTDIR)$(BINDIR)/rtla $(DESTDIR)$(BINDIR)/osnoise
76 @test ! -f $(DESTDIR)$(BINDIR)/timerlat || rm $(DESTDIR)$(BINDIR)/timerlat
77 ln -s $(DESTDIR)$(BINDIR)/rtla $(DESTDIR)$(BINDIR)/timerlat
78
79.PHONY: clean tarball
80clean: doc_clean
81 @test ! -f rtla || rm rtla
82 @test ! -f rtla-static || rm rtla-static
83 @test ! -f src/rtla.o || rm src/rtla.o
84 @test ! -f $(TARBALL) || rm -f $(TARBALL)
85 @rm -rf *~ $(OBJ) *.tar.$(CEXT)
86
87tarball: clean
88 rm -rf $(NAME)-$(VERSION) && mkdir $(NAME)-$(VERSION)
89 echo $(VERSION) > $(NAME)-$(VERSION)/VERSION
90 cp -r $(DIRS) $(FILES) $(NAME)-$(VERSION)
91 mkdir $(NAME)-$(VERSION)/Documentation/
92 cp -rp $(SRCTREE)/../../../Documentation/tools/rtla/* $(NAME)-$(VERSION)/Documentation/
93 tar $(TAROPTS) --exclude='*~' $(NAME)-$(VERSION)
94 rm -rf $(NAME)-$(VERSION)
95
96.PHONY: doc doc_clean doc_install
97doc:
98 $(MAKE) -C $(DOCSRC)
99
100doc_clean:
101 $(MAKE) -C $(DOCSRC) clean
102
103doc_install:
104 $(MAKE) -C $(DOCSRC) install