Makerules 18 KB

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