linux/tools/tracing/rtla/Makefile
Shuah Khan 2201aea114 rtla: Make doc build optional
rtla build fails due to doc build dependency on rst2man. Make
doc build optional so rtla could be built without docs. Leave
the install dependency on doc_install alone.

Link: https://lkml.kernel.org/r/20220126001301.79096-1-skhan@linuxfoundation.org

Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-01-27 19:15:46 -05:00

103 lines
3.2 KiB
Makefile

NAME := rtla
VERSION := 0.5
# From libtracefs:
# Makefiles suck: This macro sets a default value of $(2) for the
# variable named by $(1), unless the variable has been set by
# environment or command line. This is necessary for CC and AR
# because make sets default values, so the simpler ?= approach
# won't work as expected.
define allow-override
$(if $(or $(findstring environment,$(origin $(1))),\
$(findstring command line,$(origin $(1)))),,\
$(eval $(1) = $(2)))
endef
# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
$(call allow-override,CC,$(CROSS_COMPILE)gcc)
$(call allow-override,AR,$(CROSS_COMPILE)ar)
$(call allow-override,STRIP,$(CROSS_COMPILE)strip)
$(call allow-override,PKG_CONFIG,pkg-config)
$(call allow-override,LD_SO_CONF_PATH,/etc/ld.so.conf.d/)
$(call allow-override,LDCONFIG,ldconfig)
INSTALL = install
FOPTS := -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \
-fasynchronous-unwind-tables -fstack-clash-protection
WOPTS := -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized
TRACEFS_HEADERS := $$($(PKG_CONFIG) --cflags libtracefs)
CFLAGS := -O -g -DVERSION=\"$(VERSION)\" $(FOPTS) $(MOPTS) $(WOPTS) $(TRACEFS_HEADERS)
LDFLAGS := -ggdb
LIBS := $$($(PKG_CONFIG) --libs libtracefs) -lprocps
SRC := $(wildcard src/*.c)
HDR := $(wildcard src/*.h)
OBJ := $(SRC:.c=.o)
DIRS := src
FILES := Makefile README.txt
CEXT := bz2
TARBALL := $(NAME)-$(VERSION).tar.$(CEXT)
TAROPTS := -cvjf $(TARBALL)
BINDIR := /usr/bin
DATADIR := /usr/share
DOCDIR := $(DATADIR)/doc
MANDIR := $(DATADIR)/man
LICDIR := $(DATADIR)/licenses
SRCTREE := $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))
# If running from the tarball, man pages are stored in the Documentation
# dir. If running from the kernel source, man pages are stored in
# Documentation/tools/rtla/.
ifneq ($(wildcard Documentation/.*),)
DOCSRC = Documentation/
else
DOCSRC = $(SRCTREE)/../../../Documentation/tools/rtla/
endif
.PHONY: all
all: rtla
rtla: $(OBJ)
$(CC) -o rtla $(LDFLAGS) $(OBJ) $(LIBS)
static: $(OBJ)
$(CC) -o rtla-static $(LDFLAGS) --static $(OBJ) $(LIBS) -lpthread -ldl
.PHONY: install
install: doc_install
$(INSTALL) -d -m 755 $(DESTDIR)$(BINDIR)
$(INSTALL) rtla -m 755 $(DESTDIR)$(BINDIR)
$(STRIP) $(DESTDIR)$(BINDIR)/rtla
@test ! -f $(DESTDIR)$(BINDIR)/osnoise || rm $(DESTDIR)$(BINDIR)/osnoise
ln -s $(DESTDIR)$(BINDIR)/rtla $(DESTDIR)$(BINDIR)/osnoise
@test ! -f $(DESTDIR)$(BINDIR)/timerlat || rm $(DESTDIR)$(BINDIR)/timerlat
ln -s $(DESTDIR)$(BINDIR)/rtla $(DESTDIR)$(BINDIR)/timerlat
.PHONY: clean tarball
clean: doc_clean
@test ! -f rtla || rm rtla
@test ! -f rtla-static || rm rtla-static
@test ! -f src/rtla.o || rm src/rtla.o
@test ! -f $(TARBALL) || rm -f $(TARBALL)
@rm -rf *~ $(OBJ) *.tar.$(CEXT)
tarball: clean
rm -rf $(NAME)-$(VERSION) && mkdir $(NAME)-$(VERSION)
cp -r $(DIRS) $(FILES) $(NAME)-$(VERSION)
mkdir $(NAME)-$(VERSION)/Documentation/
cp -rp $(SRCTREE)/../../../Documentation/tools/rtla/* $(NAME)-$(VERSION)/Documentation/
tar $(TAROPTS) --exclude='*~' $(NAME)-$(VERSION)
rm -rf $(NAME)-$(VERSION)
.PHONY: doc doc_clean doc_install
doc:
$(MAKE) -C $(DOCSRC)
doc_clean:
$(MAKE) -C $(DOCSRC) clean
doc_install:
$(MAKE) -C $(DOCSRC) install