5 # Makefiles suck: This macro sets a default value of $(2) for the
6 # variable named by $(1), unless the variable has been set by
7 # environment or command line. This is necessary for CC and AR
8 # because make sets default values, so the simpler ?= approach
9 # won't work as expected.
11 $(if $(or $(findstring environment,$(origin $(1))),\
12 $(findstring command line,$(origin $(1)))),,\
16 # Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
17 $(call allow-override,CC,$(CROSS_COMPILE)gcc)
18 $(call allow-override,AR,$(CROSS_COMPILE)ar)
19 $(call allow-override,STRIP,$(CROSS_COMPILE)strip)
20 $(call allow-override,PKG_CONFIG,pkg-config)
21 $(call allow-override,LD_SO_CONF_PATH,/etc/ld.so.conf.d/)
22 $(call allow-override,LDCONFIG,ldconfig)
25 FOPTS := -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \
26 -fasynchronous-unwind-tables -fstack-clash-protection
27 WOPTS := -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized
29 TRACEFS_HEADERS := $$($(PKG_CONFIG) --cflags libtracefs)
31 CFLAGS := -O -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(MOPTS) $(WOPTS) $(TRACEFS_HEADERS)
33 LIBS := $$($(PKG_CONFIG) --libs libtracefs) -lprocps
35 SRC := $(wildcard src/*.c)
36 HDR := $(wildcard src/*.h)
39 FILES := Makefile README.txt
41 TARBALL := $(NAME)-$(VERSION).tar.$(CEXT)
42 TAROPTS := -cvjf $(TARBALL)
45 DOCDIR := $(DATADIR)/doc
46 MANDIR := $(DATADIR)/man
47 LICDIR := $(DATADIR)/licenses
48 SRCTREE := $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))
50 # If running from the tarball, man pages are stored in the Documentation
51 # dir. If running from the kernel source, man pages are stored in
52 # Documentation/tools/rtla/.
53 ifneq ($(wildcard Documentation/.*),)
54 DOCSRC = Documentation/
56 DOCSRC = $(SRCTREE)/../../../Documentation/tools/rtla/
63 $(CC) -o rtla $(LDFLAGS) $(OBJ) $(LIBS)
66 $(CC) -o rtla-static $(LDFLAGS) --static $(OBJ) $(LIBS) -lpthread -ldl
70 $(INSTALL) -d -m 755 $(DESTDIR)$(BINDIR)
71 $(INSTALL) rtla -m 755 $(DESTDIR)$(BINDIR)
72 $(STRIP) $(DESTDIR)$(BINDIR)/rtla
73 @test ! -f $(DESTDIR)$(BINDIR)/osnoise || rm $(DESTDIR)$(BINDIR)/osnoise
74 ln -s $(DESTDIR)$(BINDIR)/rtla $(DESTDIR)$(BINDIR)/osnoise
75 @test ! -f $(DESTDIR)$(BINDIR)/timerlat || rm $(DESTDIR)$(BINDIR)/timerlat
76 ln -s $(DESTDIR)$(BINDIR)/rtla $(DESTDIR)$(BINDIR)/timerlat
80 @test ! -f rtla || rm rtla
81 @test ! -f rtla-static || rm rtla-static
82 @test ! -f src/rtla.o || rm src/rtla.o
83 @test ! -f $(TARBALL) || rm -f $(TARBALL)
84 @rm -rf *~ $(OBJ) *.tar.$(CEXT)
87 rm -rf $(NAME)-$(VERSION) && mkdir $(NAME)-$(VERSION)
88 cp -r $(DIRS) $(FILES) $(NAME)-$(VERSION)
89 mkdir $(NAME)-$(VERSION)/Documentation/
90 cp -rp $(SRCTREE)/../../../Documentation/tools/rtla/* $(NAME)-$(VERSION)/Documentation/
91 tar $(TAROPTS) --exclude='*~' $(NAME)-$(VERSION)
92 rm -rf $(NAME)-$(VERSION)
94 .PHONY: doc doc_clean doc_install
99 $(MAKE) -C $(DOCSRC) clean
102 $(MAKE) -C $(DOCSRC) install