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tool lib symbol: Add Makefile/Build

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Add sufficient Makefile for libsymbol to be built as a dependency and
header files installed.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Nicolas Schier <nicolas@fjasle.eu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: bpf@vger.kernel.org
Link: http://lore.kernel.org/lkml/20221109184914.1357295-10-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2022-11-09 10:49:09 -08:00 committed by Arnaldo Carvalho de Melo
parent a6e8caf5db
commit 160be157ea
2 changed files with 116 additions and 0 deletions
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1
tools/lib/symbol/Build Normal file
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libsymbol-y += kallsyms.o

115
tools/lib/symbol/Makefile Normal file
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# SPDX-License-Identifier: GPL-2.0
include ../../scripts/Makefile.include
include ../../scripts/utilities.mak # QUIET_CLEAN
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(CURDIR)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
srctree := $(patsubst %/,%,$(dir $(srctree)))
#$(info Determined 'srctree' to be $(srctree))
endif
CC ?= $(CROSS_COMPILE)gcc
AR ?= $(CROSS_COMPILE)ar
LD ?= $(CROSS_COMPILE)ld
MAKEFLAGS += --no-print-directory
INSTALL = install
# Use DESTDIR for installing into a different root directory.
# This is useful for building a package. The program will be
# installed in this directory as if it was the root directory.
# Then the build tool can move it later.
DESTDIR ?=
DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
LIBFILE = $(OUTPUT)libsymbol.a
CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
CFLAGS += -ggdb3 -Wall -Wextra -std=gnu11 -U_FORTIFY_SOURCE -fPIC
ifeq ($(DEBUG),0)
ifeq ($(CC_NO_CLANG), 0)
CFLAGS += -O3
else
CFLAGS += -O6
endif
endif
ifeq ($(DEBUG),0)
CFLAGS += -D_FORTIFY_SOURCE
endif
# Treat warnings as errors unless directed not to
ifneq ($(WERROR),0)
CFLAGS += -Werror
endif
CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
CFLAGS += -I$(srctree)/tools/lib
CFLAGS += -I$(srctree)/tools/include
RM = rm -f
SYMBOL_IN := $(OUTPUT)libsymbol-in.o
ifeq ($(LP64), 1)
libdir_relative = lib64
else
libdir_relative = lib
endif
prefix ?=
libdir = $(prefix)/$(libdir_relative)
# Shell quotes
libdir_SQ = $(subst ','\'',$(libdir))
all:
export srctree OUTPUT CC LD CFLAGS V
include $(srctree)/tools/build/Makefile.include
include $(srctree)/tools/scripts/Makefile.include
all: fixdep $(LIBFILE)
$(SYMBOL_IN): FORCE
$(MAKE) $(build)=libsymbol V=1
$(LIBFILE): $(SYMBOL_IN)
$(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(SYMBOL_IN)
define do_install_mkdir
if [ ! -d '$(DESTDIR_SQ)$1' ]; then \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \
fi
endef
define do_install
if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
fi; \
$(INSTALL) $1 $(if $3,-m $3,) '$(DESTDIR_SQ)$2'
endef
install_lib: $(LIBFILE)
$(call QUIET_INSTALL, $(LIBFILE)) \
$(call do_install_mkdir,$(libdir_SQ)); \
cp -fpR $(LIBFILE) $(DESTDIR)$(libdir_SQ)
install_headers:
$(call QUIET_INSTALL, headers) \
$(call do_install,kallsyms.h,$(prefix)/include/symbol,644);
install: install_lib install_headers
clean:
$(call QUIET_CLEAN, libsymbol) $(RM) $(LIBFILE); \
find $(or $(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
FORCE:
.PHONY: clean FORCE