Makefile (5bd249aec71d75f0088357e4aba27fde0610f823) Makefile (012e4e77df736263f235640e0b0b45ac919e54bf)
1NAME := rv
2# Follow the kernel version
3VERSION := $(shell cat VERSION 2> /dev/null || make -sC ../../.. kernelversion | grep -v make)
1# SPDX-License-Identifier: GPL-2.0-only
4
2
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) = $(2)))
15endef
3ifeq ($(srctree),)
4 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
5 srctree := $(patsubst %/,%,$(dir $(srctree)))
6 srctree := $(patsubst %/,%,$(dir $(srctree)))
7endif
16
8
17# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
18$(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)
9include $(srctree)/tools/scripts/Makefile.include
24
10
25INSTALL = install
26MKDIR = mkdir
27FOPTS := -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \
28 -fasynchronous-unwind-tables -fstack-clash-protection
29WOPTS := -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized
11# O is an alias for OUTPUT
12OUTPUT := $(O)
30
13
31ifeq ($(CC),clang)
32 FOPTS := $(filter-out -ffat-lto-objects, $(FOPTS))
33 WOPTS := $(filter-out -Wno-maybe-uninitialized, $(WOPTS))
14ifeq ($(OUTPUT),)
15 OUTPUT := $(CURDIR)/
16else
17 # subdir is used by the ../Makefile in $(call descend,)
18 ifneq ($(subdir),)
19 OUTPUT := $(OUTPUT)/$(subdir)
20 endif
34endif
35
21endif
22
36TRACEFS_HEADERS := $$($(PKG_CONFIG) --cflags libtracefs)
23ifneq ($(patsubst %/,,$(lastword $(OUTPUT))),)
24 OUTPUT := $(OUTPUT)/
25endif
37
26
38CFLAGS := -O -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(MOPTS) $(WOPTS) $(TRACEFS_HEADERS) $(EXTRA_CFLAGS) -I include
39LDFLAGS := -flto=auto -ggdb $(EXTRA_LDFLAGS)
40LIBS := $$($(PKG_CONFIG) --libs libtracefs)
27RV := $(OUTPUT)rv
28RV_IN := $(RV)-in.o
41
29
42SRC := $(wildcard src/*.c)
43HDR := $(wildcard src/*.h)
44OBJ := $(SRC:.c=.o)
45DIRS := src
46FILES := Makefile README.txt
47CEXT := bz2
48TARBALL := $(NAME)-$(VERSION).tar.$(CEXT)
49TAROPTS := -cvjf $(TARBALL)
50BINDIR := /usr/bin
51DATADIR := /usr/share
52DOCDIR := $(DATADIR)/doc
53MANDIR := $(DATADIR)/man
54LICDIR := $(DATADIR)/licenses
55SRCTREE := $(or $(BUILD_SRC),$(CURDIR))
30VERSION := $(shell sh -c "make -sC ../../.. kernelversion | grep -v make")
31DOCSRC := ../../../Documentation/tools/rv/
56
32
57# If running from the tarball, man pages are stored in the Documentation
58# dir. If running from the kernel source, man pages are stored in
59# Documentation/tools/rv/.
60ifneq ($(wildcard Documentation/.*),)
61DOCSRC = Documentation/
33FEATURE_TESTS := libtraceevent
34FEATURE_TESTS += libtracefs
35FEATURE_DISPLAY := libtraceevent
36FEATURE_DISPLAY += libtracefs
37
38ifeq ($(V),1)
39 Q =
62else
40else
63DOCSRC = $(SRCTREE)/../../../Documentation/tools/rv/
41 Q = @
64endif
65
42endif
43
66LIBTRACEEVENT_MIN_VERSION = 1.5
67LIBTRACEFS_MIN_VERSION = 1.3
44all: $(RV)
68
45
69.PHONY: all warnings show_warnings
70all: warnings rv
46include $(srctree)/tools/build/Makefile.include
47include Makefile.rv
71
48
72TEST_LIBTRACEEVENT = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEEVENT_MIN_VERSION) libtraceevent > /dev/null 2>&1 || echo n")
73ifeq ("$(TEST_LIBTRACEEVENT)", "n")
74WARNINGS = show_warnings
75MISSING_LIBS += echo "** libtraceevent version $(LIBTRACEEVENT_MIN_VERSION) or higher";
76MISSING_PACKAGES += "libtraceevent-devel"
77MISSING_SOURCE += echo "** https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/ ";
78endif
49# check for dependencies only on required targets
50NON_CONFIG_TARGETS := clean install doc doc_clean doc_install
79
51
80TEST_LIBTRACEFS = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEFS_MIN_VERSION) libtracefs > /dev/null 2>&1 || echo n")
81ifeq ("$(TEST_LIBTRACEFS)", "n")
82WARNINGS = show_warnings
83MISSING_LIBS += echo "** libtracefs version $(LIBTRACEFS_MIN_VERSION) or higher";
84MISSING_PACKAGES += "libtracefs-devel"
85MISSING_SOURCE += echo "** https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/ ";
52config := 1
53ifdef MAKECMDGOALS
54 ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),)
55 config := 0
86endif
56endif
57endif
87
58
88define show_dependencies
89 @echo "********************************************"; \
90 echo "** NOTICE: Failed build dependencies"; \
91 echo "**"; \
92 echo "** Required Libraries:"; \
93 $(MISSING_LIBS) \
94 echo "**"; \
95 echo "** Consider installing the latest libtracefs from your"; \
96 echo "** distribution, e.g., 'dnf install $(MISSING_PACKAGES)' on Fedora,"; \
97 echo "** or from source:"; \
98 echo "**"; \
99 $(MISSING_SOURCE) \
100 echo "**"; \
101 echo "********************************************"
102endef
103
104show_warnings:
105 $(call show_dependencies);
106
107ifneq ("$(WARNINGS)", "")
108ERROR_OUT = $(error Please add the necessary dependencies)
109
110warnings: $(WARNINGS)
111 $(ERROR_OUT)
59ifeq ($(config),1)
60 include $(srctree)/tools/build/Makefile.feature
61 include Makefile.config
112endif
113
62endif
63
114rv: $(OBJ)
115 $(CC) -o rv $(LDFLAGS) $(OBJ) $(LIBS)
64CFLAGS += $(INCLUDES) $(LIB_INCLUDES)
116
65
117.PHONY: install
118install: doc_install
119 $(MKDIR) -p $(DESTDIR)$(BINDIR)
120 $(INSTALL) rv -m 755 $(DESTDIR)$(BINDIR)
121 $(STRIP) $(DESTDIR)$(BINDIR)/rv
66export CFLAGS OUTPUT srctree
122
67
123.PHONY: clean tarball
124clean: doc_clean
125 @test ! -f rv || rm rv
126 @test ! -f $(TARBALL) || rm -f $(TARBALL)
127 @rm -rf *~ $(OBJ) *.tar.$(CEXT)
68$(RV): $(RV_IN)
69 $(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RV) $(RV_IN) $(EXTLIBS)
128
70
129tarball: clean
130 rm -rf $(NAME)-$(VERSION) && mkdir $(NAME)-$(VERSION)
131 echo $(VERSION) > $(NAME)-$(VERSION)/VERSION
132 cp -r $(DIRS) $(FILES) $(NAME)-$(VERSION)
133 mkdir $(NAME)-$(VERSION)/Documentation/
134 cp -rp $(SRCTREE)/../../../Documentation/tools/rv/* $(NAME)-$(VERSION)/Documentation/
135 tar $(TAROPTS) --exclude='*~' $(NAME)-$(VERSION)
136 rm -rf $(NAME)-$(VERSION)
71static: $(RV_IN)
72 $(eval LDFLAGS += -static)
73 $(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RV)-static $(RV_IN) $(EXTLIBS)
137
74
138.PHONY: doc doc_clean doc_install
139doc:
140 $(MAKE) -C $(DOCSRC)
75rv.%: fixdep FORCE
76 make -f $(srctree)/tools/build/Makefile.build dir=. $@
141
77
142doc_clean:
143 $(MAKE) -C $(DOCSRC) clean
78$(RV_IN): fixdep FORCE
79 make $(build)=rv
144
80
145doc_install:
146 $(MAKE) -C $(DOCSRC) install
81clean: doc_clean fixdep-clean
82 $(call QUIET_CLEAN, rv)
83 $(Q)find . -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
84 $(Q)rm -f rv rv-static fixdep FEATURE-DUMP rv-*
85 $(Q)rm -rf feature
86
87.PHONY: FORCE clean