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-rw-r--r--tools/lib/lockdep/Makefile162
1 files changed, 162 insertions, 0 deletions
diff --git a/tools/lib/lockdep/Makefile b/tools/lib/lockdep/Makefile
new file mode 100644
index 000000000..9dafb8cb7
--- /dev/null
+++ b/tools/lib/lockdep/Makefile
@@ -0,0 +1,162 @@
+# SPDX-License-Identifier: GPL-2.0
+# file format version
+FILE_VERSION = 1
+
+LIBLOCKDEP_VERSION=$(shell make --no-print-directory -sC ../../.. kernelversion)
+
+# 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) = $(2)))
+endef
+
+# Allow setting CC and AR and LD, or setting CROSS_COMPILE as a prefix.
+$(call allow-override,CC,$(CROSS_COMPILE)gcc)
+$(call allow-override,AR,$(CROSS_COMPILE)ar)
+$(call allow-override,LD,$(CROSS_COMPILE)ld)
+
+INSTALL = install
+
+# Use DESTDIR for installing into a different root directory.
+# This is useful for building a package. The program will be
+# installed in this directory as if it was the root directory.
+# Then the build tool can move it later.
+DESTDIR ?=
+DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
+
+prefix ?= /usr/local
+libdir_relative = lib
+libdir = $(prefix)/$(libdir_relative)
+bindir_relative = bin
+bindir = $(prefix)/$(bindir_relative)
+
+export DESTDIR DESTDIR_SQ INSTALL
+
+MAKEFLAGS += --no-print-directory
+
+include ../../scripts/Makefile.include
+
+# copy a bit from Linux kbuild
+
+ifeq ("$(origin V)", "command line")
+ VERBOSE = $(V)
+endif
+ifndef VERBOSE
+ VERBOSE = 0
+endif
+
+ifeq ($(srctree),)
+srctree := $(patsubst %/,%,$(dir $(CURDIR)))
+srctree := $(patsubst %/,%,$(dir $(srctree)))
+srctree := $(patsubst %/,%,$(dir $(srctree)))
+#$(info Determined 'srctree' to be $(srctree))
+endif
+
+# Shell quotes
+libdir_SQ = $(subst ','\'',$(libdir))
+bindir_SQ = $(subst ','\'',$(bindir))
+
+LIB_IN := $(OUTPUT)liblockdep-in.o
+
+BIN_FILE = lockdep
+LIB_FILE = $(OUTPUT)liblockdep.a $(OUTPUT)liblockdep.so.$(LIBLOCKDEP_VERSION)
+
+CONFIG_INCLUDES =
+CONFIG_LIBS =
+CONFIG_FLAGS =
+
+OBJ = $@
+N =
+
+export Q VERBOSE
+
+INCLUDES = -I. -I./uinclude -I./include -I../../include $(CONFIG_INCLUDES)
+
+# Set compile option CFLAGS if not set elsewhere
+CFLAGS ?= -g -DCONFIG_LOCKDEP -DCONFIG_STACKTRACE -DCONFIG_PROVE_LOCKING -DBITS_PER_LONG=__WORDSIZE -DLIBLOCKDEP_VERSION='"$(LIBLOCKDEP_VERSION)"' -rdynamic -O0 -g
+CFLAGS += -fPIC
+CFLAGS += -Wall
+
+override CFLAGS += $(CONFIG_FLAGS) $(INCLUDES) $(PLUGIN_DIR_SQ)
+
+ifeq ($(VERBOSE),1)
+ Q =
+ print_shared_lib_compile =
+ print_install =
+else
+ Q = @
+ print_shared_lib_compile = echo ' LD '$(OBJ);
+ print_static_lib_build = echo ' LD '$(OBJ);
+ print_install = echo ' INSTALL '$1' to $(DESTDIR_SQ)$2';
+endif
+
+all:
+
+export srctree OUTPUT CC LD CFLAGS V
+include $(srctree)/tools/build/Makefile.include
+
+do_compile_shared_library = \
+ ($(print_shared_lib_compile) \
+ $(CC) $(LDFLAGS) --shared $^ -o $@ -lpthread -ldl -Wl,-soname='$(@F)';$(shell ln -sf $(@F) $(@D)/liblockdep.so))
+
+do_build_static_lib = \
+ ($(print_static_lib_build) \
+ $(RM) $@; $(AR) rcs $@ $^)
+
+CMD_TARGETS = $(LIB_FILE)
+
+TARGETS = $(CMD_TARGETS)
+
+
+all: fixdep all_cmd
+
+all_cmd: $(CMD_TARGETS)
+
+$(LIB_IN): force
+ $(Q)$(MAKE) $(build)=liblockdep
+
+$(OUTPUT)liblockdep.so.$(LIBLOCKDEP_VERSION): $(LIB_IN)
+ $(Q)$(do_compile_shared_library)
+
+$(OUTPUT)liblockdep.a: $(LIB_IN)
+ $(Q)$(do_build_static_lib)
+
+tags: force
+ $(RM) tags
+ find . -name '*.[ch]' | xargs ctags --extra=+f --c-kinds=+px \
+ --regex-c++='/_PE\(([^,)]*).*/TEP_ERRNO__\1/'
+
+TAGS: force
+ $(RM) TAGS
+ find . -name '*.[ch]' | xargs etags \
+ --regex='/_PE(\([^,)]*\).*/TEP_ERRNO__\1/'
+
+define do_install
+ $(print_install) \
+ if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
+ fi; \
+ $(INSTALL) $1 '$(DESTDIR_SQ)$2'
+endef
+
+install_lib: all_cmd
+ $(Q)$(call do_install,$(LIB_FILE),$(libdir_SQ))
+ $(Q)$(call do_install,$(BIN_FILE),$(bindir_SQ))
+
+install: install_lib
+
+clean:
+ $(RM) $(OUTPUT)*.o *~ $(TARGETS) $(OUTPUT)*.a $(OUTPUT)*liblockdep*.so* $(VERSION_FILES) $(OUTPUT).*.d $(OUTPUT).*.cmd
+ $(RM) tags TAGS
+
+PHONY += force
+force:
+
+# Declare the contents of the .PHONY variable as phony. We keep that
+# information in a variable so we can use it in if_changed and friends.
+.PHONY: $(PHONY)