yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | # |
| 2 | # Licensed under LGPL v2.1, see the file COPYING.LIB in this tarball for details. |
| 3 | # |
| 4 | |
| 5 | .SUFFIXES: .c .S .o .os .oS .so .a .s .i |
| 6 | |
| 7 | PHONY := FORCE |
| 8 | |
| 9 | .PHONY: dummy $(PHONY) subdirs \ |
| 10 | all check test $(clean_targets) \ |
| 11 | config dist menuconfig oldconfig release \ |
| 12 | utils help |
| 13 | |
| 14 | # order is important, the stripping uses STRIP_FLAGS for lib-so, but not for lib-a |
| 15 | ifeq ($(HAVE_SHARED),y) |
| 16 | .LIBPATTERNS: "lib%.so" |
| 17 | libs: $(lib-so-y) $(lib-a-y) |
| 18 | $(lib-so-y): | $(interp) |
| 19 | else |
| 20 | .LIBPATTERNS: "lib%.a" |
| 21 | ifeq ($(UCLIBC_FORMAT_SHARED_FLAT),y) |
| 22 | libs: $(lib-gdb-y) |
| 23 | endif |
| 24 | libs: $(lib-a-y) |
| 25 | $(lib-a-y): | $(top_builddir)lib |
| 26 | endif |
| 27 | objs: all_objs |
| 28 | |
| 29 | shared_objs = $(libc-y:.o=.os) $(libc-shared-y) $(libc-nonshared-y) \ |
| 30 | $(libcrypt-so-y) $(libdl-so-y) \ |
| 31 | $(libintl-so-y) $(libm-so-y) $(libnsl-so-y) \ |
| 32 | $(libpthread-so-y) $(libpthread-nonshared-y) $(libthread_db-so-y) \ |
| 33 | $(libresolv-so-y) $(librt-so-y) \ |
| 34 | $(ldso-y) \ |
| 35 | $(libutil-so-y) $(libubacktrace-so-y) |
| 36 | |
| 37 | ar_objs = $(libc-y) $(libc-static-y) $(libcrypt-a-y) \ |
| 38 | $(libdl-a-y) $(libintl-a-y) $(libm-a-y) $(libnsl-a-y) \ |
| 39 | $(libpthread-a-y) $(libthread_db-a-y) \ |
| 40 | $(libresolv-a-y) $(librt-a-y) $(libutil-a-y) $(libubacktrace-a-y) |
| 41 | ifeq ($(DOPIC),y) |
| 42 | ar_objs := $(ar_objs:.o=.os) |
| 43 | endif |
| 44 | flat_objs = $(lib-gdb-y) |
| 45 | |
| 46 | ifeq ($(HAVE_SHARED),y) |
| 47 | all_objs: $(sort $(shared_objs) $(ar_objs)) |
| 48 | else |
| 49 | all_objs: $(ar_objs) |
| 50 | endif |
| 51 | $(shared_objs) $(ar_objs): | $(sub_headers) |
| 52 | |
| 53 | headers-y: $(headers-y) |
| 54 | @true |
| 55 | |
| 56 | MAKEFLAGS += --no-print-directory |
| 57 | SHELL_SET_X := set +x |
| 58 | define rel_srcdir |
| 59 | $(shell $(CONFIG_SHELL) $(top_srcdir)/extra/scripts/relative_path.sh $(@D) .) |
| 60 | endef |
| 61 | ifneq ($(findstring s,$(MAKEFLAGS)),) |
| 62 | export MAKE_IS_SILENT := y |
| 63 | SECHO := -@false |
| 64 | DISP := sil |
| 65 | Q := @ |
| 66 | else |
| 67 | export MAKE_IS_SILENT := n |
| 68 | SECHO := @echo |
| 69 | ifneq ($(V)$(VERBOSE),) |
| 70 | ifeq ($(V),1) |
| 71 | DISP := bri# brief, like pur but with defines |
| 72 | Q := @ |
| 73 | else |
| 74 | SHELL_SET_X := set -x |
| 75 | DISP := ver |
| 76 | Q := |
| 77 | endif |
| 78 | else |
| 79 | DISP := pur |
| 80 | Q := @ |
| 81 | endif |
| 82 | endif |
| 83 | |
| 84 | show_objs = $(subst $(top_builddir),,$(subst ../,,$@)) |
| 85 | define show_defs |
| 86 | $(filter -D%,$(1)) |
| 87 | endef |
| 88 | define show_ldflags |
| 89 | $(subst $(comma), ,$(subst -Wl$(comma),,$(filter -Wl%,$(1)))) |
| 90 | endef |
| 91 | |
| 92 | pur_disp_compile.c = echo " "CC $(show_objs) |
| 93 | pur_disp_compile.i = echo " "CPP $(show_objs) |
| 94 | pur_disp_compile.s = echo " "CC-S $(show_objs) |
| 95 | pur_disp_compile.u = echo " "CC $(show_objs) |
| 96 | pur_disp_compile.S = echo " "AS $(show_objs) |
| 97 | pur_disp_compile.m = $(pur_disp_compile.c) |
| 98 | pur_disp_compile.mi= echo " "CPP-m $(show_objs) |
| 99 | pur_disp_compile-m = echo " "CC-m $(show_objs) |
| 100 | pur_disp_hcompile.u= echo " "HOSTCC $(show_objs) |
| 101 | pur_disp_hcompile.o= echo " "HOSTCC-o $(show_objs) |
| 102 | pur_disp_strip = echo " "STRIP $(STRIP_FLAGS) $@ |
| 103 | pur_disp_t_strip = echo " "STRIP $(STRIP_FLAGS) $@ |
| 104 | pur_disp_ar = echo " "AR $(ARFLAGS) $@ |
| 105 | pur_disp_ld = echo " "LD $(1) |
| 106 | pur_disp_ln = echo " "LN $(show_objs) |
| 107 | pur_disp_mkdir = echo " "MKDIR $(show_objs) |
| 108 | pur_disp_gen = echo " "GEN $(show_objs) |
| 109 | pur_disp_install = echo " "INSTALL $(1) |
| 110 | pur_disp_unifdef = echo " "UNIFDEF $(show_objs) |
| 111 | pur_disp_rm = echo " "CLEAN $(subst CLEAN_,,$(patsubst HEADERCLEAN_%,include \(%\),$@)) |
| 112 | |
| 113 | sil_disp_compile.c = true |
| 114 | sil_disp_compile.i = true |
| 115 | sil_disp_compile.s = true |
| 116 | sil_disp_compile.u = true |
| 117 | sil_disp_compile.S = true |
| 118 | sil_disp_compile.m = true |
| 119 | sil_disp_compile.mi= true |
| 120 | sil_disp_compile-m = true |
| 121 | sil_disp_hcompile.u= true |
| 122 | sil_disp_hcompile.o= true |
| 123 | sil_disp_strip = true |
| 124 | sil_disp_t_strip = true |
| 125 | sil_disp_ar = true |
| 126 | sil_disp_ld = true |
| 127 | sil_disp_ln = true |
| 128 | sil_disp_mkdir = true |
| 129 | sil_disp_gen = true |
| 130 | sil_disp_install = true |
| 131 | sil_disp_unifdef = true |
| 132 | sil_disp_rm = true |
| 133 | |
| 134 | bri_disp_compile.c = $(pur_disp_compile.c) $(call show_defs,$(cmd_compile.c)) |
| 135 | bri_disp_compile.i = $(pur_disp_compile.i) $(call show_defs,$(cmd_compile.i)) |
| 136 | bri_disp_compile.s = $(pur_disp_compile.s) $(call show_defs,$(cmd_compile.s)) |
| 137 | bri_disp_compile.u = $(pur_disp_compile.u) $(call show_defs,$(cmd_compile.u)) |
| 138 | bri_disp_compile.S = $(pur_disp_compile.S) $(call show_defs,$(cmd_compile.S)) |
| 139 | bri_disp_compile.m = $(pur_disp_compile.m) $(call show_defs,$(cmd_compile.m)) |
| 140 | bri_disp_compile.mi = $(pur_disp_compile.mi) $(call show_defs,$(cmd_compile.mi)) |
| 141 | bri_disp_compile-m = $(pur_disp_compile-m) $(call show_defs,$(cmd_compile-m)) |
| 142 | bri_disp_hcompile.u = $(pur_disp_hcompile.u) $(call show_defs,$(cmd_hcompile.u)) |
| 143 | bri_disp_hcompile.o = $(pur_disp_hcompile.o) $(call show_defs,$(cmd_hcompile.o)) |
| 144 | bri_disp_strip = $(pur_disp_strip) |
| 145 | bri_disp_t_strip = $(pur_disp_t_strip) |
| 146 | bri_disp_ar = $(pur_disp_ar) |
| 147 | bri_disp_ld = $(pur_disp_ld) $(call show_ldflags,$(cmd_ld)) |
| 148 | bri_disp_ln = $(pur_disp_ln) |
| 149 | bri_disp_mkdir = $(pur_disp_mkdir) |
| 150 | bri_disp_gen = $(pur_disp_gen) |
| 151 | bri_disp_install = $(pur_disp_install) |
| 152 | bri_disp_unifdef = $(pur_disp_unifdef) |
| 153 | bri_disp_rm = $(pur_disp_rm) |
| 154 | |
| 155 | esc=$(subst ','\'',$(1)) |
| 156 | # ') |
| 157 | ver_disp_compile.c = echo '$(call esc,$(cmd_compile.c))' |
| 158 | ver_disp_compile.i = echo '$(call esc,$(cmd_compile.i))' |
| 159 | ver_disp_compile.s = echo '$(call esc,$(cmd_compile.s))' |
| 160 | ver_disp_compile.u = echo '$(call esc,$(cmd_compile.u))' |
| 161 | ver_disp_compile.S = echo '$(call esc,$(cmd_compile.S))' |
| 162 | ver_disp_compile.m = echo '$(call esc,$(cmd_compile.m))' |
| 163 | ver_disp_compile.mi= echo '$(call esc,$(cmd_compile.mi))' |
| 164 | ver_disp_compile-m = echo '$(call esc,$(cmd_compile-m))' |
| 165 | ver_disp_hcompile.u= echo '$(call esc,$(cmd_hcompile.u))' |
| 166 | ver_disp_hcompile.o= echo '$(call esc,$(cmd_hcompile.o))' |
| 167 | ver_disp_strip = echo '$(call esc,$(cmd_strip))' |
| 168 | ver_disp_t_strip = echo '$(call esc,$(cmd_t_strip))' |
| 169 | ver_disp_ar = echo '$(call esc,$(cmd_ar))' |
| 170 | ver_disp_ld = |
| 171 | ver_disp_ln = |
| 172 | ver_disp_mkdir = |
| 173 | ver_disp_gen = |
| 174 | ver_disp_install = |
| 175 | ver_disp_unifdef = echo '$(call esc,$(cmd_unifdef))' |
| 176 | ver_disp_rm = |
| 177 | |
| 178 | disp_compile.c = $($(DISP)_disp_compile.c) |
| 179 | disp_compile.i = $($(DISP)_disp_compile.i) |
| 180 | disp_compile.s = $($(DISP)_disp_compile.s) |
| 181 | disp_compile.u = $($(DISP)_disp_compile.u) |
| 182 | disp_compile.S = $($(DISP)_disp_compile.S) |
| 183 | disp_compile.m = $($(DISP)_disp_compile.m) |
| 184 | disp_compile.mi= $($(DISP)_disp_compile.mi) |
| 185 | disp_compile-m = $($(DISP)_disp_compile-m) |
| 186 | disp_hcompile.u= $($(DISP)_disp_hcompile.u) |
| 187 | disp_hcompile.o= $($(DISP)_disp_hcompile.o) |
| 188 | disp_strip = $($(DISP)_disp_strip) |
| 189 | disp_t_strip = $($(DISP)_disp_t_strip) |
| 190 | disp_ar = $($(DISP)_disp_ar) |
| 191 | disp_ld = $($(DISP)_disp_ld) |
| 192 | disp_ln = $($(DISP)_disp_ln) |
| 193 | disp_mkdir = $($(DISP)_disp_mkdir) |
| 194 | disp_gen = $($(DISP)_disp_gen) |
| 195 | disp_install = $($(DISP)_disp_install) |
| 196 | disp_unifdef = $($(DISP)_disp_unifdef) |
| 197 | disp_rm = $($(DISP)_disp_rm) |
| 198 | |
| 199 | any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^) |
| 200 | |
| 201 | # ../foo/bar/baz.ext -> foo_bar_baz.ext |
| 202 | variablify = $(subst /,_,$(subst $(top_builddir),,$(1))) |
| 203 | # strip the top_builddir off everything to make the *string* idempotent for -C |
| 204 | dirify = $(subst $(top_builddir),,$(patsubst -L$(top_builddir)%,-L%,$(patsubst -I$(top_builddir)%,-I%,$(1)))) |
| 205 | |
| 206 | # True if not identical. Neither order nor whitespace nor identical flags |
| 207 | # matter. |
| 208 | compare_flags = \ |
| 209 | $(strip $(filter-out $(call dirify,$(cmd_$(call variablify,$(1)))), \ |
| 210 | $(call dirify,$(cmd_$(call variablify,$(@))))) \ |
| 211 | $(filter-out $(call dirify,$(cmd_$(call variablify,$(@)))), \ |
| 212 | $(call dirify,$(cmd_$(call variablify,$(1)))))) |
| 213 | |
| 214 | # Rebuild if any prerequisite, the used CC or flags changed. |
| 215 | # Previously used flags are stored in the corresponding .%.dep files |
| 216 | maybe_exec = \ |
| 217 | $(if $(strip $(compare_flags) $(any-prereq)), \ |
| 218 | @set -e; \ |
| 219 | $(disp_$(1)); \ |
| 220 | $(cmd_$(1)); \ |
| 221 | echo 'cmd_$(call variablify,$@) := $(call dirify,$(cmd_$(call variablify,$1)))' >> $(dir $@).$(notdir $@).dep) |
| 222 | |
| 223 | # collect flags of domulti prereqs |
| 224 | #collect_multi_flags = $(CFLAGS-$(notdir $(d))) $(CFLAGS-$(notdir $(patsubst %/,%,$(dir $(d))))) |
| 225 | collect_multi_flags = $(CFLAGS-$(notdir $(patsubst %/,%,$(dir $(d))))) |
| 226 | |
| 227 | CFLAGS_gen.dep = -MT $@ -MD -MP -MF $(dir $@).$(notdir $@).dep |
| 228 | |
| 229 | cmd_compile.c = $(CC) -c $< -o $@ $(CFLAGS) -mthumb \ |
| 230 | $(CFLAGS-$(suffix $@)) \ |
| 231 | $(filter-out $(CFLAGS-OMIT-$(notdir $<)),$(CFLAGS-$(notdir $(<D)))) \ |
| 232 | $(CFLAGS-$(subst $(top_srcdir),,$(dir $<))) \ |
| 233 | $(CFLAGS-$(notdir $<)) \ |
| 234 | $(CFLAGS-$(notdir $@)) \ |
| 235 | $(CFLAGS_gen.dep) |
| 236 | cmd_compile.i = $(cmd_compile.c:-c=-E -dD) $(UCLIBC_EXTRA_CPPFLAGS) |
| 237 | cmd_compile.s = $(cmd_compile.c:-c=-S) |
| 238 | cmd_compile.u = $(CC) $^ $(DEPS-$(notdir $@)) -o $@ $(CFLAGS) $(CFLAGS-$(notdir $(^D))) $(CFLAGS-$(notdir $@)) $(CFLAGS_gen.dep) |
| 239 | cmd_compile.S = $(filter-out -std=gnu99, $(cmd_compile.c)) -D__ASSEMBLER__ -marm $(ASFLAGS) $(ARCH_ASFLAGS) $(ASFLAGS-$(suffix $@)) $(ASFLAGS-$(notdir $<)) $(ASFLAGS-$(notdir $@)) |
| 240 | cmd_compile.m = $(cmd_compile.c) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@)) |
| 241 | cmd_compile.mi= $(cmd_compile.m:-c=-E -dD) $(UCLIBC_EXTRA_CPPFLAGS) |
| 242 | |
| 243 | cmd_compile-m = $(CC) $^ -c -o $@ $(CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(notdir $(@D))) $(CFLAGS-$(notdir $@)) $(sort $(foreach d,$(^:$(top_srcdir)=),$(collect_multi_flags))) |
| 244 | cmd_strip = $(STRIPTOOL) $(STRIP_FLAGS) $^ |
| 245 | cmd_t_strip = $(STRIPTOOL) $(STRIP_FLAGS) $@ |
| 246 | cmd_ar = $(AR) $(ARFLAGS) $@ $^ |
| 247 | |
| 248 | define do_ln |
| 249 | @$(disp_ln) |
| 250 | $(Q)$(LN) -fs |
| 251 | endef |
| 252 | |
| 253 | define do_mkdir |
| 254 | @$(disp_mkdir) |
| 255 | $(Q)$(INSTALL) -d $@ |
| 256 | endef |
| 257 | |
| 258 | define do_rm |
| 259 | @$(disp_rm) |
| 260 | $(Q)$(RM) |
| 261 | endef |
| 262 | |
| 263 | define do_awk |
| 264 | @$(disp_gen) |
| 265 | $(Q)$(AWK) -f |
| 266 | endef |
| 267 | |
| 268 | define do_sed |
| 269 | @$(disp_gen) |
| 270 | $(Q)$(SED) |
| 271 | endef |
| 272 | |
| 273 | compile.c = @$(call maybe_exec,compile.c) |
| 274 | compile.i = $(call maybe_exec,compile.i) |
| 275 | compile.s = $(call maybe_exec,compile.s) |
| 276 | compile.S = @$(call maybe_exec,compile.S) |
| 277 | compile.m = @$(call maybe_exec,compile.m) |
| 278 | compile.mi= $(call maybe_exec,compile.mi) |
| 279 | compile-m = @$(disp_compile-m) ; $(cmd_compile-m) && $(cmd_t_strip) |
| 280 | do_strip = @$(disp_strip) ; $(cmd_strip) |
| 281 | do_t_strip= @$(disp_t_strip) ; $(cmd_t_strip) |
| 282 | do_unifdef= @$(disp_unifdef) ; $(cmd_unifdef) |
| 283 | hcompile.u= @$(disp_hcompile.u); $(cmd_hcompile.u) |
| 284 | hcompile.o= @$(disp_hcompile.o); $(cmd_hcompile.o) |
| 285 | |
| 286 | define do_ar |
| 287 | @$(disp_ar) ; $(cmd_ar) |
| 288 | @$(do_t_strip) |
| 289 | endef |
| 290 | define compile.u |
| 291 | @$(disp_compile.u) ; $(cmd_compile.u) |
| 292 | @$(disp_t_strip) |
| 293 | endef |
| 294 | cmd_hcompile.u = $(HOSTCC) $(filter-out $(PHONY),$^) $(DEPS-$(notdir $@)) -o $@ $(BUILD_LDFLAGS) $(BUILD_LDFLAGS-$(notdir $(^D))) $(BUILD_LDFLAGS-$(notdir $@)) $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@)) |
| 295 | cmd_hcompile.o = $(HOSTCC) $(filter-out $(PHONY),$<) $(DEPS-$(notdir $@)) -c -o $@ $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@)) |
| 296 | |
| 297 | define create-lds |
| 298 | $(Q)$(RM) $@.lds |
| 299 | $(Q)$(CC) -nostdlib -nostartfiles -shared -Wl,-z,combreloc \ |
| 300 | -Wl,-z,relro -Wl,--hash-style=gnu -Wl,-z,defs \ |
| 301 | -Wl,--verbose 2>&1 | LC_ALL=C \ |
| 302 | sed -e '/^=========/,/^=========/!d;/^=========/d' \ |
| 303 | -e 's/\. = .* + SIZEOF_HEADERS;/& _begin = . - SIZEOF_HEADERS;/' > $@.lds |
| 304 | endef |
| 305 | |
| 306 | define link.so |
| 307 | $(Q)$(RM) $@ $@.$(2) $(dir $@)$(1) |
| 308 | @$(disp_ld) |
| 309 | $(Q)$(CC) $(LDFLAGS-$(notdir $@)) $(LDFLAGS-y-$(@F)) \ |
| 310 | -Wl,-soname=$(notdir $@).$(2) \ |
| 311 | $(CFLAG_-nostdlib) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \ |
| 312 | -Wl,--whole-archive $(firstword $^) -Wl,--no-whole-archive \ |
| 313 | $(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@)) |
| 314 | $(Q)$(LN) -sf $(1) $@.$(2) |
| 315 | $(Q)$(LN) -sf $(1) $@ |
| 316 | endef |
| 317 | |
| 318 | # CRT files needed by link-flat.so |
| 319 | LINK_FLAT_CRTS := $(top_builddir)lib/Scrt1.o $(top_builddir)lib/crti.o \ |
| 320 | $(top_builddir)lib/crtn.o |
| 321 | |
| 322 | # Create a shared flat library from the archive named by the first dependency. |
| 323 | # $@ names the shared library's .gdb file, not the flat file itself. |
| 324 | # (This is because the .gdb suffix makes the ELF file more distinctive |
| 325 | # than the suffixless flat file.) |
| 326 | # |
| 327 | # Argument 1 is the shared library file -- i.e. $(@:.gdb=) -- and argument 2 |
| 328 | # is the shared library identifier. If it wasn't for $(disp_ld), we could |
| 329 | # avoid passing $(@:.gdb=) as an argument and use $(@:.gdb=) instead of $(1). |
| 330 | # |
| 331 | # This is so far only used for libc, for which we want to link the entire |
| 332 | # libgcc into the shared object. |
| 333 | define link-flat.so |
| 334 | $(Q)$(RM) $(1) $@ |
| 335 | @$(disp_ld) |
| 336 | $(Q)$(CC) $(LDFLAGS-$(notdir $@)) $(CFLAG_-nostdlib) -o $(1) \ |
| 337 | -Wl,-elf2flt -Wl,-shared-lib-id,$(2) $(top_builddir)lib/Scrt1.o \ |
| 338 | $(top_builddir)/lib/crti.o -Wl,--whole-archive $(firstword $^) \ |
| 339 | $(LIBGCC) -Wl,--no-whole-archive $(LIBS-$(notdir $@)) $(LIBGCC) \ |
| 340 | $(top_builddir)/lib/crtn.o |
| 341 | endef |
| 342 | |
| 343 | define linkm.so |
| 344 | $(Q)$(RM) $@ $@.$(2) $(dir $@)$(1) |
| 345 | $(do_strip) |
| 346 | @$(disp_ld) |
| 347 | $(Q)$(CC) $(LDFLAGS-$(notdir $@)) -Wl,-soname=$(notdir $@).$(2) \ |
| 348 | $(CFLAG_-nostdlib) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \ |
| 349 | $^ \ |
| 350 | $(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@)) |
| 351 | $(Q)$(LN) -sf $(1) $@.$(2) |
| 352 | $(Q)$(LN) -sf $(1) $@ |
| 353 | endef |
| 354 | |
| 355 | CFLAGS-.os+=$(PICFLAG) |
| 356 | CFLAGS-.oS+=$(PICFLAG) -DSHARED |
| 357 | |
| 358 | $(top_builddir)%.o: $(top_srcdir)%.c FORCE ; $(compile.c) |
| 359 | $(top_builddir)%.os: $(top_srcdir)%.c FORCE | pregen; $(compile.c) |
| 360 | $(top_builddir)%.oS: $(top_srcdir)%.c FORCE | pregen; $(compile.c) |
| 361 | $(top_builddir)%.o: $(top_srcdir)%.S FORCE ; $(compile.S) |
| 362 | $(top_builddir)%.os: $(top_srcdir)%.S FORCE | pregen; $(compile.S) |
| 363 | $(top_builddir)%.oS: $(top_srcdir)%.S FORCE | pregen; $(compile.S) |
| 364 | $(top_builddir)%.o: $(top_srcdir)%.s FORCE ; $(compile.S) |
| 365 | $(top_builddir)%.os: $(top_srcdir)%.s FORCE ; $(compile.S) |
| 366 | $(top_builddir)%.oS: $(top_srcdir)%.s FORCE | pregen; $(compile.S) |
| 367 | $(top_builddir)%.i: $(top_srcdir)%.c FORCE | pregen; $(compile.i) |
| 368 | $(top_builddir)%.i: $(top_srcdir)%.S FORCE | pregen; $(compile.i) |
| 369 | $(top_builddir)%.s: $(top_srcdir)%.c FORCE | pregen; $(compile.s) |
| 370 | $(top_builddir)%.s: $(top_srcdir)%.S FORCE | pregen; $(compile.s) |
| 371 | $(top_builddir)%.dep: |
| 372 | |
| 373 | $(top_builddir)lib/interp.c: | $(top_builddir)lib |
| 374 | $(Q)echo "/* Force shared libraries to know about the correct library loader */" > $@.tmp |
| 375 | $(Q)echo "#include <features.h>" >> $@.tmp |
| 376 | ifeq ($(HARDWIRED_ABSPATH),y) |
| 377 | $(Q)echo "const char __dl_ldso__[] attribute_hidden __attribute__ ((weak)) __attribute__ ((section " \ |
| 378 | "(\".interp\"))) =\""$(RUNTIME_PREFIX)$(MULTILIB_DIR)/$(UCLIBC_LDSO)"\";" >> $@.tmp |
| 379 | $(Q)$(SED) -i -e 's://:/:g' $@.tmp |
| 380 | else |
| 381 | $(Q)echo "const char __dl_ldso__[] attribute_hidden __attribute__ ((weak)) __attribute__ ((section " \ |
| 382 | "(\".interp\"))) =\""$(UCLIBC_LDSO)"\";" >> $@.tmp |
| 383 | endif |
| 384 | $(Q)mv $@.tmp $@ |
| 385 | |
| 386 | $(interp): $(top_builddir)lib/interp.c | $(sub_headers) |
| 387 | $(compile.c) |
| 388 | $(Q)$(STRIPTOOL) -x -R .note -R .comment $@ |
| 389 | |
| 390 | $(ldso): |
| 391 | $(Q)cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(ABI_VERSION),%,$(notdir $@)) |
| 392 | $(libc): |
| 393 | $(Q)cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(ABI_VERSION),%,$(notdir $@)) |
| 394 | |
| 395 | CRT := crt1 |
| 396 | |
| 397 | ifeq ($(HAVE_SHARED)$(UCLIBC_FORMAT_SHARED_FLAT),y) |
| 398 | CRTS=$(top_builddir)lib/$(CRT).o $(top_builddir)lib/S$(CRT).o |
| 399 | else |
| 400 | CRTS=$(top_builddir)lib/$(CRT).o |
| 401 | endif |
| 402 | |
| 403 | ASFLAGS-$(CRT).o := -DL_$(CRT) |
| 404 | ASFLAGS-S$(CRT).o := $(PIEFLAG) -DL_S$(CRT) |
| 405 | $(CRTS): $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/$(CRT).S |
| 406 | $(compile.S) |
| 407 | $(Q)$(STRIPTOOL) -x -R .note -R .comment $@ |
| 408 | |
| 409 | ifeq ($(UCLIBC_CTOR_DTOR),y) |
| 410 | CTOR_TARGETS=$(top_builddir)lib/crti.o $(top_builddir)lib/crtn.o |
| 411 | else |
| 412 | CTOR_TARGETS:= |
| 413 | endif |
| 414 | |
| 415 | ifeq ($(UCLIBC_FORMAT_FDPIC_ELF),y) |
| 416 | CRTRELOC=$(top_builddir)lib/crtreloc.o |
| 417 | $(CRTRELOC): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.c |
| 418 | $(compile.c) |
| 419 | endif |
| 420 | |
| 421 | ifneq ($(wildcard $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c),) |
| 422 | CFLAGS-initfini.s := -S -g0 $(PICFLAG) -fno-inline-functions -finhibit-size-directive |
| 423 | $(top_builddir)lib/initfini.s: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c | $(top_builddir)lib |
| 424 | $(compile.c) |
| 425 | |
| 426 | $(top_builddir)lib/defs.h: $(top_builddir)lib/initfini.s | $(top_builddir)lib |
| 427 | $(Q)sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \ |
| 428 | gawk -f $(top_srcdir)extra/scripts/defs.awk > $@.tmp |
| 429 | $(Q)mv $@.tmp $@ |
| 430 | |
| 431 | $(top_builddir)lib/crti.S: $(top_builddir)lib/initfini.s $(top_builddir)lib/defs.h |
| 432 | $(Q)sed -n -e '1,/@HEADER_ENDS/p' \ |
| 433 | -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \ |
| 434 | -e '/@TRAILER_BEGINS/,$$p' $< > $@ |
| 435 | |
| 436 | $(top_builddir)lib/crtn.S: $(top_builddir)lib/initfini.s |
| 437 | $(Q)sed -n -e '1,/@HEADER_ENDS/p' \ |
| 438 | -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \ |
| 439 | -e '/@TRAILER_BEGINS/,$$p' $< > $@ |
| 440 | |
| 441 | $(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_builddir)lib/%.S |
| 442 | $(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS) |
| 443 | else |
| 444 | $(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.S |
| 445 | $(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS) |
| 446 | endif |
| 447 | |
| 448 | #ifeq ($(TARGET_ARCH),nios) |
| 449 | #CRTS_COMPAT := $(top_builddir)lib/crt0.o |
| 450 | #$(CRTS_COMPAT): |
| 451 | # ln -fs crt1.o $(top_builddir)lib/crt0.o |
| 452 | #else |
| 453 | CRTS_COMPAT := |
| 454 | #endif |
| 455 | |
| 456 | startfiles = $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC) |
| 457 | $(crt-y): $(startfiles) |
| 458 | $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC): | headers |
| 459 | $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC) $(LINK_FLAT_CRTS) $(SHARED_START_FILES) $(SHARED_END_FILES) : | $(top_builddir)lib |
| 460 | |
| 461 | $(top_builddir)lib/$(NONSHARED_LIBNAME): $(libc-nonshared-y) |
| 462 | $(Q)$(RM) $@ |
| 463 | $(do_ar) |
| 464 | |
| 465 | $(top_builddir)lib/libpthread_nonshared.a: $(libpthread-nonshared-y) |
| 466 | $(Q)$(RM) $@ |
| 467 | $(do_ar) |
| 468 | |
| 469 | files.dep := $(libc-a-y) $(libc-so-y) $(libc-nonshared-y) \ |
| 470 | $(libm-a-y) $(libm-so-y) \ |
| 471 | $(libpthread-a-y) $(libpthread-so-y) $(libpthread-nonshared-y) \ |
| 472 | $(libthread_db-a-y) $(libthread_db-so-y) $(libpthread-generated-y) \ |
| 473 | $(librt-a-y) $(librt-so-y) $(libresolv-a-y) $(libresolv-so-y) \ |
| 474 | $(libcrypt-a-y) $(libcrypt-so-y) $(libutil-a-y) $(libutil-so-y) \ |
| 475 | $(libnsl-a-y) $(libnsl-so-y) $(ldso-y) $(libdl-a-y) $(libdl-so-y) \ |
| 476 | $(libubacktrace-a-y) $(libubacktrace-so-y) |
| 477 | .depends.dep := \ |
| 478 | $(patsubst %.s,%.s.dep,$(filter %.s,$(files.dep))) \ |
| 479 | $(patsubst %.o,%.o.dep,$(filter %.o,$(files.dep))) \ |
| 480 | $(patsubst %.os,%.os.dep,$(filter %.os,$(files.dep))) \ |
| 481 | $(patsubst %.oS,%.oS.dep,$(filter %.oS,$(files.dep))) |
| 482 | # Oh, and prepend a dot to the basename so i don't have to change my habit of |
| 483 | # calling 'size thefile.o*' |
| 484 | .depends.dep := $(foreach f,$(.depends.dep),$(dir $(f)).$(notdir $(f))) |
| 485 | .depends.dep := $(wildcard $(.depends.dep)) |
| 486 | |
| 487 | FORCE: |
| 488 | |
| 489 | clean: objclean-y headers_clean-y |
| 490 | realclean: clean menuconfig-clean-y |
| 491 | $(Q)$(RM) $(.depends.dep) |
| 492 | |
| 493 | objclean-y: $(objclean-y) |
| 494 | headers_clean-y: $(headers_clean-y) |
| 495 | |
| 496 | ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),) |
| 497 | ifneq ($(strip $(.depends.dep)),) |
| 498 | .NOEXPORT: |
| 499 | -include $(.depends.dep) |
| 500 | endif |
| 501 | endif |
| 502 | |
| 503 | # vi: ft=make : |