1 # SPDX-License-Identifier: GPL-2.0-only !! 1 NAME := rv
2 !! 2 # Follow the kernel version
3 ifeq ($(srctree),) !! 3 VERSION := $(shell cat VERSION 2> /dev/null || make -sC ../../.. kernelversion | grep -v make)
4 srctree := $(patsubst %/,%,$(dir $(CUR !! 4
5 srctree := $(patsubst %/,%,$(dir $(src !! 5 # From libtracefs:
6 srctree := $(patsubst %/,%,$(dir $(src !! 6 # Makefiles suck: This macro sets a default value of $(2) for the
7 endif !! 7 # variable named by $(1), unless the variable has been set by
8 !! 8 # environment or command line. This is necessary for CC and AR
9 include $(srctree)/tools/scripts/Makefile.incl !! 9 # because make sets default values, so the simpler ?= approach
10 !! 10 # won't work as expected.
11 # O is an alias for OUTPUT !! 11 define allow-override
12 OUTPUT := $(O) !! 12 $(if $(or $(findstring environment,$(origin $(1))),\
13 !! 13 $(findstring command line,$(origin $(1)))),,\
14 ifeq ($(OUTPUT),) !! 14 $(eval $(1) = $(2)))
15 OUTPUT := $(CURDIR)/ !! 15 endef
16 else !! 16
17 # subdir is used by the ../Makefile in $(cal !! 17 # Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
18 ifneq ($(subdir),) !! 18 $(call allow-override,CC,$(CROSS_COMPILE)gcc)
19 OUTPUT := $(OUTPUT)/$(subdir) !! 19 $(call allow-override,AR,$(CROSS_COMPILE)ar)
20 endif !! 20 $(call allow-override,STRIP,$(CROSS_COMPILE)strip)
21 endif !! 21 $(call allow-override,PKG_CONFIG,pkg-config)
22 !! 22 $(call allow-override,LD_SO_CONF_PATH,/etc/ld.so.conf.d/)
23 ifneq ($(patsubst %/,,$(lastword $(OUTPUT))),) !! 23 $(call allow-override,LDCONFIG,ldconfig)
24 OUTPUT := $(OUTPUT)/ !! 24
25 endif !! 25 INSTALL = install
26 !! 26 MKDIR = mkdir
27 RV := $(OUTPUT)rv !! 27 FOPTS := -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \
28 RV_IN := $(RV)-in.o !! 28 -fasynchronous-unwind-tables -fstack-clash-protection
29 !! 29 WOPTS := -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized
30 VERSION := $(shell sh -c "make -sC ../ !! 30
31 DOCSRC := ../../../Documentation/tool !! 31 ifeq ($(CC),clang)
32 !! 32 FOPTS := $(filter-out -ffat-lto-objects, $(FOPTS))
33 FEATURE_TESTS := libtraceevent !! 33 WOPTS := $(filter-out -Wno-maybe-uninitialized, $(WOPTS))
34 FEATURE_TESTS += libtracefs !! 34 endif
35 FEATURE_DISPLAY := libtraceevent !! 35
36 FEATURE_DISPLAY += libtracefs !! 36 TRACEFS_HEADERS := $$($(PKG_CONFIG) --cflags libtracefs)
37 !! 37
38 ifeq ($(V),1) !! 38 CFLAGS := -O -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(MOPTS) $(WOPTS) $(TRACEFS_HEADERS) $(EXTRA_CFLAGS) -I include
39 Q = !! 39 LDFLAGS := -flto=auto -ggdb $(EXTRA_LDFLAGS)
>> 40 LIBS := $$($(PKG_CONFIG) --libs libtracefs)
>> 41
>> 42 SRC := $(wildcard src/*.c)
>> 43 HDR := $(wildcard src/*.h)
>> 44 OBJ := $(SRC:.c=.o)
>> 45 DIRS := src
>> 46 FILES := Makefile README.txt
>> 47 CEXT := bz2
>> 48 TARBALL := $(NAME)-$(VERSION).tar.$(CEXT)
>> 49 TAROPTS := -cvjf $(TARBALL)
>> 50 BINDIR := /usr/bin
>> 51 DATADIR := /usr/share
>> 52 DOCDIR := $(DATADIR)/doc
>> 53 MANDIR := $(DATADIR)/man
>> 54 LICDIR := $(DATADIR)/licenses
>> 55 SRCTREE := $(or $(BUILD_SRC),$(CURDIR))
>> 56
>> 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/.
>> 60 ifneq ($(wildcard Documentation/.*),)
>> 61 DOCSRC = Documentation/
40 else 62 else
41 Q = @ !! 63 DOCSRC = $(SRCTREE)/../../../Documentation/tools/rv/
42 endif <<
43 <<
44 all: $(RV) <<
45 <<
46 include $(srctree)/tools/build/Makefile.includ <<
47 include Makefile.rv <<
48 <<
49 # check for dependencies only on required targ <<
50 NON_CONFIG_TARGETS := clean install doc doc_cl <<
51 <<
52 config := 1 <<
53 ifdef MAKECMDGOALS <<
54 ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(M <<
55 config := 0 <<
56 endif 64 endif
57 endif <<
58 <<
59 ifeq ($(config),1) <<
60 include $(srctree)/tools/build/Makefile.feat <<
61 include Makefile.config <<
62 endif <<
63 <<
64 CFLAGS += $(INCLUDES) $(LIB_INCLUDES) <<
65 <<
66 export CFLAGS OUTPUT srctree <<
67 <<
68 $(RV): $(RV_IN) <<
69 $(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RV) <<
70 65
71 static: $(RV_IN) !! 66 LIBTRACEEVENT_MIN_VERSION = 1.5
72 $(eval LDFLAGS += -static) !! 67 LIBTRACEFS_MIN_VERSION = 1.3
73 $(QUIET_LINK)$(CC) $(LDFLAGS) -o $(RV) <<
74 68
75 rv.%: fixdep FORCE !! 69 .PHONY: all warnings show_warnings
76 make -f $(srctree)/tools/build/Makefil !! 70 all: warnings rv
77 71
78 $(RV_IN): fixdep FORCE !! 72 TEST_LIBTRACEEVENT = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEEVENT_MIN_VERSION) libtraceevent > /dev/null 2>&1 || echo n")
79 make $(build)=rv !! 73 ifeq ("$(TEST_LIBTRACEEVENT)", "n")
>> 74 WARNINGS = show_warnings
>> 75 MISSING_LIBS += echo "** libtraceevent version $(LIBTRACEEVENT_MIN_VERSION) or higher";
>> 76 MISSING_PACKAGES += "libtraceevent-devel"
>> 77 MISSING_SOURCE += echo "** https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/ ";
>> 78 endif
>> 79
>> 80 TEST_LIBTRACEFS = $(shell sh -c "$(PKG_CONFIG) --atleast-version $(LIBTRACEFS_MIN_VERSION) libtracefs > /dev/null 2>&1 || echo n")
>> 81 ifeq ("$(TEST_LIBTRACEFS)", "n")
>> 82 WARNINGS = show_warnings
>> 83 MISSING_LIBS += echo "** libtracefs version $(LIBTRACEFS_MIN_VERSION) or higher";
>> 84 MISSING_PACKAGES += "libtracefs-devel"
>> 85 MISSING_SOURCE += echo "** https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/ ";
>> 86 endif
>> 87
>> 88 define 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 "********************************************"
>> 102 endef
>> 103
>> 104 show_warnings:
>> 105 $(call show_dependencies);
>> 106
>> 107 ifneq ("$(WARNINGS)", "")
>> 108 ERROR_OUT = $(error Please add the necessary dependencies)
>> 109
>> 110 warnings: $(WARNINGS)
>> 111 $(ERROR_OUT)
>> 112 endif
>> 113
>> 114 rv: $(OBJ)
>> 115 $(CC) -o rv $(LDFLAGS) $(OBJ) $(LIBS)
>> 116
>> 117 .PHONY: install
>> 118 install: doc_install
>> 119 $(MKDIR) -p $(DESTDIR)$(BINDIR)
>> 120 $(INSTALL) rv -m 755 $(DESTDIR)$(BINDIR)
>> 121 $(STRIP) $(DESTDIR)$(BINDIR)/rv
>> 122
>> 123 .PHONY: clean tarball
>> 124 clean: doc_clean
>> 125 @test ! -f rv || rm rv
>> 126 @test ! -f $(TARBALL) || rm -f $(TARBALL)
>> 127 @rm -rf *~ $(OBJ) *.tar.$(CEXT)
>> 128
>> 129 tarball: 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)
>> 137
>> 138 .PHONY: doc doc_clean doc_install
>> 139 doc:
>> 140 $(MAKE) -C $(DOCSRC)
80 141
81 clean: doc_clean fixdep-clean !! 142 doc_clean:
82 $(call QUIET_CLEAN, rv) !! 143 $(MAKE) -C $(DOCSRC) clean
83 $(Q)find . -name '*.o' -delete -o -nam <<
84 $(Q)rm -f rv rv-static fixdep FEATURE- <<
85 $(Q)rm -rf feature <<
86 144
87 .PHONY: FORCE clean !! 145 doc_install:
>> 146 $(MAKE) -C $(DOCSRC) install
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