1 # SPDX-License-Identifier: GPL-2.0
2 include ../../scripts/Makefile.include
3 include ../../scripts/utilities.mak # QUIET_CLEAN
6 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
7 srctree := $(patsubst %/,%,$(dir $(srctree)))
8 srctree := $(patsubst %/,%,$(dir $(srctree)))
9 #$(info Determined 'srctree' to be $(srctree))
12 CC ?= $(CROSS_COMPILE)gcc
13 AR ?= $(CROSS_COMPILE)ar
14 LD ?= $(CROSS_COMPILE)ld
16 MAKEFLAGS += --no-print-directory
21 # Use DESTDIR for installing into a different root directory.
22 # This is useful for building a package. The program will be
23 # installed in this directory as if it was the root directory.
24 # Then the build tool can move it later.
26 DESTDIR_SQ = '$(subst ','\'',$(DESTDIR))'
28 LIBFILE = $(OUTPUT)libapi.a
30 CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
31 CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -fPIC
34 ifeq ($(CC_NO_CLANG), 0)
42 CFLAGS += -D_FORTIFY_SOURCE
45 # Treat warnings as errors unless directed not to
50 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
51 CFLAGS += -I$(srctree)/tools/lib/api
52 CFLAGS += -I$(srctree)/tools/include
56 API_IN := $(OUTPUT)libapi-in.o
59 libdir_relative = lib64
65 libdir = $(prefix)/$(libdir_relative)
68 libdir_SQ = $(subst ','\'',$(libdir))
72 export srctree OUTPUT CC LD CFLAGS V
73 include $(srctree)/tools/build/Makefile.include
74 include $(srctree)/tools/scripts/Makefile.include
76 all: fixdep $(LIBFILE)
79 @$(MAKE) $(build)=libapi
82 $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(API_IN)
84 define do_install_mkdir
85 if [ ! -d '$(DESTDIR_SQ)$1' ]; then \
86 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \
91 if [ ! -d '$2' ]; then \
92 $(INSTALL) -d -m 755 '$2'; \
94 $(INSTALL) $1 $(if $3,-m $3,) '$2'
97 install_lib: $(LIBFILE)
98 $(call QUIET_INSTALL, $(LIBFILE)) \
99 $(call do_install_mkdir,$(libdir_SQ)); \
100 cp -fpR $(LIBFILE) $(DESTDIR)$(libdir_SQ)
102 HDRS := cpu.h debug.h io.h
103 FD_HDRS := fd/array.h
104 FS_HDRS := fs/fs.h fs/tracing_path.h
105 INSTALL_HDRS_PFX := $(DESTDIR)$(prefix)/include/api
106 INSTALL_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(HDRS))
107 INSTALL_FD_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(FD_HDRS))
108 INSTALL_FS_HDRS := $(addprefix $(INSTALL_HDRS_PFX)/, $(FS_HDRS))
110 $(INSTALL_HDRS): $(INSTALL_HDRS_PFX)/%.h: %.h
111 $(call QUIET_INSTALL, $@) \
112 $(call do_install,$<,$(INSTALL_HDRS_PFX)/,644)
114 $(INSTALL_FD_HDRS): $(INSTALL_HDRS_PFX)/fd/%.h: fd/%.h
115 $(call QUIET_INSTALL, $@) \
116 $(call do_install,$<,$(INSTALL_HDRS_PFX)/fd/,644)
118 $(INSTALL_FS_HDRS): $(INSTALL_HDRS_PFX)/fs/%.h: fs/%.h
119 $(call QUIET_INSTALL, $@) \
120 $(call do_install,$<,$(INSTALL_HDRS_PFX)/fs/,644)
122 install_headers: $(INSTALL_HDRS) $(INSTALL_FD_HDRS) $(INSTALL_FS_HDRS)
123 $(call QUIET_INSTALL, libapi_headers)
125 install: install_lib install_headers
128 $(call QUIET_CLEAN, libapi) $(RM) $(LIBFILE); \
129 find $(or $(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)