Makerules 9.4 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. # order is important, the stripping uses STRIP_FLAGS for lib-so, but not for lib-a
  6. ifeq ($(HAVE_SHARED),y)
  7. .LIBPATTERNS: "lib%.so"
  8. libs: $(lib-so-y) $(lib-a-y)
  9. $(lib-so-y): $(interp)
  10. else
  11. .LIBPATTERNS: "lib%.a"
  12. ifeq ($(UCLIBC_FORMAT_SHARED_FLAT),y)
  13. libs: $(lib-gdb-y)
  14. endif
  15. libs: $(lib-a-y)
  16. endif
  17. objs: all_objs
  18. shared_objs = $(ldso-y) $(libc-y:.o=.os) $(libc-shared-y) $(libc-nonshared-y) $(libdl-so-y)
  19. shared_objs += $(libcrypt-so-y) $(libintl-so-y) $(libm-so-y) $(libnsl-so-y) $(libpthread-so-y) $(libpthread-nonshared-y)
  20. shared_objs += $(libthread_db-so-y) $(libresolv-so-y) $(librt-so-y) $(libutil-so-y)
  21. ar_objs = $(libc-y) $(libc-static-y) $(libdl-a-y) $(libcrypt-a-y) $(libintl-a-y) $(libm-a-y) $(libnsl-a-y)
  22. ar_objs += $(libpthread-a-y) $(libthread_db-a-y) $(libresolv-a-y) $(librt-a-y) $(libutil-a-y)
  23. ifeq ($(DOPIC),y)
  24. ar_objs := $(ar_objs:.o=.os)
  25. endif
  26. ifeq ($(HAVE_SHARED),y)
  27. all_objs: $(sort $(shared_objs) $(ar_objs))
  28. else
  29. all_objs: $(ar_objs)
  30. endif
  31. $(shared_objs) $(ar_objs): | $(sub_headers)
  32. headers-y: $(headers-y)
  33. @true
  34. MAKEFLAGS += --no-print-directory
  35. SHELL_SET_X := set +x
  36. ifneq ($(findstring s,$(MAKEFLAGS)),)
  37. export MAKE_IS_SILENT := y
  38. SECHO := -@false
  39. DISP := sil
  40. Q := @
  41. else
  42. export MAKE_IS_SILENT := n
  43. SECHO := @echo
  44. ifneq ($(V)$(VERBOSE),)
  45. SHELL_SET_X := set -x
  46. DISP := ver
  47. Q :=
  48. else
  49. DISP := pur
  50. Q := @
  51. endif
  52. endif
  53. show_objs = $(subst ../,,$@)
  54. pur_disp_compile.c = echo " "CC $(show_objs)
  55. pur_disp_compile.S = echo " "AS $(show_objs)
  56. pur_disp_compile.m = $(pur_disp_compile.c)
  57. pur_disp_compile-m = echo " "CC-m $(show_objs)
  58. pur_disp_strip = echo " "STRIP $(STRIP_FLAGS) $@
  59. pur_disp_t_strip = echo " "STRIP $(STRIP_FLAGS) $@
  60. pur_disp_ar = echo " "AR $(ARFLAGS) $@
  61. pur_disp_ld = echo " "LD $(1)
  62. sil_disp_compile.c = true
  63. sil_disp_compile.S = true
  64. sil_disp_compile.m = true
  65. sil_disp_compile-m = true
  66. sil_disp_strip = true
  67. sil_disp_t_strip = true
  68. sil_disp_ar = true
  69. sil_disp_ld = true
  70. ver_disp_compile.c = echo $(cmd_compile.c)
  71. ver_disp_compile.S = echo $(cmd_compile.S)
  72. ver_disp_compile.m = echo $(cmd_compile.m)
  73. ver_disp_compile-m = echo $(cmd_compile-m)
  74. ver_disp_strip = echo $(cmd_strip)
  75. ver_disp_t_strip = echo $(cmd_t_strip)
  76. ver_disp_ar = echo $(cmd_ar)
  77. ver_disp_ld =
  78. disp_compile.c = $($(DISP)_disp_compile.c)
  79. disp_compile.S = $($(DISP)_disp_compile.S)
  80. disp_compile.m = $($(DISP)_disp_compile.m)
  81. disp_compile-m = $($(DISP)_disp_compile-m)
  82. disp_strip = $($(DISP)_disp_strip)
  83. disp_t_strip = $($(DISP)_disp_t_strip)
  84. disp_ar = $($(DISP)_disp_ar)
  85. disp_ld = $($(DISP)_disp_ld)
  86. cmd_compile.c = $(CC) -c $< -o $@ $(CFLAGS) $(ARCH_CFLAGS) $(CFLAGS-$(suffix $@)) $(filter-out $(CFLAGS-OMIT-$(notdir $<)),$(CFLAGS-$(notdir $(^D)))) $(CFLAGS-$(subst $(top_srcdir),,$(dir $<))) $(CFLAGS-$(notdir $<)) $(CFLAGS-$(notdir $@))
  87. cmd_compile.S = $(cmd_compile.c) -D__ASSEMBLER__ $(ASFLAGS) $(ARCH_ASFLAGS) $(ASFLAGS-$(suffix $@)) $(ASFLAGS-$(notdir $<)) $(ASFLAGS-$(notdir $@))
  88. cmd_compile.m = $(cmd_compile.c) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@))
  89. cmd_compile-m = $(CC) $^ -c -o $@ $(CFLAGS) $(ARCH_CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(notdir $(@D))) $(CFLAGS-$(notdir $@))
  90. cmd_strip = $(STRIPTOOL) $(STRIP_FLAGS) $^
  91. cmd_t_strip = $(STRIPTOOL) $(STRIP_FLAGS) $@
  92. cmd_ar = $(AR) $(ARFLAGS) $@ $^
  93. compile.c = @$(disp_compile.c) ; $(cmd_compile.c)
  94. compile.i = $(cmd_compile.c:-c=-E -dD)
  95. compile.s = $(cmd_compile.c:-c=-S)
  96. compile.S = @$(disp_compile.S) ; $(cmd_compile.S)
  97. compile.m = @$(disp_compile.m) ; $(cmd_compile.m)
  98. compile-m = @$(disp_compile-m) ; $(cmd_compile-m)
  99. do_strip = @$(disp_strip) ; $(cmd_strip)
  100. do_t_strip= @$(disp_t_strip) ; $(cmd_t_strip)
  101. do_ar = @$(disp_ar) ; $(cmd_ar)
  102. define compile.u
  103. @$(disp_compile.c)
  104. $(Q)$(CC) $^ $(DEPS-$(notdir $@)) -o $@ $(CFLAGS) $(CFLAGS-$(notdir $(^D))) $(CFLAGS-$(notdir $@))
  105. @$(disp_strip)
  106. $(Q)$(STRIPTOOL) $(STRIP_FLAGS) $@
  107. endef
  108. hcompile.u = $(HOSTCC) $^ $(DEPS-$(notdir $@)) -o $@ $(BUILD_LDFLAGS) $(BUILD_LDFLAGS-$(notdir $(^D))) $(BUILD_LDFLAGS-$(notdir $@)) $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@))
  109. hcompile.o = $(HOSTCC) $^ $(DEPS-$(notdir $@)) -c -o $@ $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@))
  110. define link.so
  111. $(Q)$(INSTALL) -d $(dir $@)
  112. $(Q)$(RM) $@ $@.$(2) $(dir $@)$(1)
  113. @$(disp_ld)
  114. $(Q)$(CC) $(LDFLAGS-$(notdir $@)) -Wl,-soname=$(notdir $@).$(2) \
  115. -nostdlib -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \
  116. -Wl,--whole-archive $(firstword $^) -Wl,--no-whole-archive \
  117. $(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@))
  118. $(Q)$(LN) -sf $(1) $@.$(2)
  119. $(Q)$(LN) -sf $(1) $@
  120. endef
  121. # CRT files needed by link-flat.so
  122. LINK_FLAT_CRTS := $(top_builddir)lib/Scrt1.o $(top_builddir)lib/crti.o \
  123. $(top_builddir)lib/crtn.o
  124. # Create a shared flat library from the archive named by the first dependency.
  125. # $@ names the shared library's .gdb file, not the flat file itself.
  126. # (This is because the .gdb suffix makes the ELF file more distinctive
  127. # than the suffixless flat file.)
  128. #
  129. # Argument 1 is the shared library file -- i.e. $(@:.gdb=) -- and argument 2
  130. # is the shared library identifier. If it wasn't for $(disp_ld), we could
  131. # avoid passing $(@:.gdb=) as an argument and use $(@:.gdb=) instead of $(1).
  132. define link-flat.so
  133. $(Q)$(INSTALL) -d $(dir $@)
  134. $(Q)$(RM) $(1) $@
  135. @$(disp_ld)
  136. $(Q)$(CC) $(LDFLAGS-$(notdir $@)) -nostdlib -o $(1) \
  137. -Wl,-elf2flt -Wl,-shared-lib-id $(2) $(top_builddir)lib/Scrt1.o \
  138. $(top_builddir)/lib/crti.o -Wl,--whole-archive $(firstword $^) \
  139. -Wl,--no-whole-archive $(LIBS-$(notdir $@)) $(LIBGCC) \
  140. $(top_builddir)/lib/crtn.o
  141. endef
  142. define linkm.so
  143. $(Q)$(INSTALL) -d $(dir $@)
  144. $(Q)$(RM) $@ $@.$(2) $(dir $@)$(1)
  145. @$(disp_ld)
  146. $(Q)$(CC) $(LDFLAGS-$(notdir $@)) -Wl,-soname=$(notdir $@).$(2) \
  147. -nostdlib -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) $^ \
  148. $(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@))
  149. $(Q)$(LN) -sf $(1) $@.$(2)
  150. $(Q)$(LN) -sf $(1) $@
  151. endef
  152. CFLAGS-.os+=$(PICFLAG)
  153. CFLAGS-.oS+=$(PICFLAG) -DSHARED
  154. %.o: %.c ; $(compile.c)
  155. %.os: %.c ; $(compile.c)
  156. %.oS: %.c ; $(compile.c)
  157. %.o: %.S ; $(compile.S)
  158. %.os: %.S ; $(compile.S)
  159. %.oS: %.S ; $(compile.S)
  160. %.o: %.s ; $(compile.S)
  161. %.os: %.s ; $(compile.S)
  162. %.oS: %.s ; $(compile.S)
  163. %.i: %.c ; $(compile.i)
  164. %.i: %.S ; $(compile.i)
  165. %.s: %.c ; $(compile.s)
  166. %.s: %.S ; $(compile.s)
  167. $(top_builddir)lib/interp.c: | $(sub_headers)
  168. $(Q)$(INSTALL) -d $(dir $@)
  169. $(Q)echo "/* Force shared libraries to know about the correct library loader */" > $@
  170. $(Q)echo "#include <features.h>" >> $@
  171. $(Q)echo "const char __dl_ldso__[] __attribute__ ((section " \
  172. "(\".interp\"))) =\""$(SHARED_LIB_LOADER_PREFIX)/$(UCLIBC_LDSO)"\";" >> $@
  173. $(interp): $(top_builddir)lib/interp.c
  174. $(compile.c)
  175. $(Q)$(STRIPTOOL) -x -R .note -R .comment $@
  176. $(ldso):
  177. @cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(MAJOR_VERSION),%,$(notdir $@))
  178. $(libc):
  179. @cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(MAJOR_VERSION),%,$(notdir $@))
  180. $(headers_dep):
  181. $(Q)cd $(top_builddir); $(MAKE) headers
  182. CRT := crt1
  183. ifeq ($(HAVE_SHARED)$(UCLIBC_FORMAT_SHARED_FLAT),y)
  184. CRTS=$(top_builddir)lib/$(CRT).o $(top_builddir)lib/S$(CRT).o
  185. else
  186. CRTS=$(top_builddir)lib/$(CRT).o
  187. endif
  188. ASFLAGS-$(CRT).o := -DL_$(CRT)
  189. ASFLAGS-S$(CRT).o := $(PIEFLAG) -DL_S$(CRT)
  190. $(CRTS): $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/$(CRT).S
  191. $(Q)$(INSTALL) -d $(dir $@)
  192. $(compile.S)
  193. $(Q)$(STRIPTOOL) -x -R .note -R .comment $@
  194. ifeq ($(UCLIBC_CTOR_DTOR),y)
  195. CTOR_TARGETS=$(top_builddir)lib/crti.o $(top_builddir)lib/crtn.o
  196. else
  197. CTOR_TARGETS:=
  198. endif
  199. ifneq ($(wildcard $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c),)
  200. CFLAGS-initfini.s := -S -g0 $(PICFLAG) -fno-inline-functions -finhibit-size-directive
  201. $(top_builddir)lib/initfini.s: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c
  202. $(compile.c)
  203. $(top_builddir)lib/defs.h: $(top_builddir)lib/initfini.s
  204. $(Q)sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
  205. gawk -f $(top_srcdir)extra/scripts/defs.awk > $@.tmp
  206. $(Q)mv $@.tmp $@
  207. $(top_builddir)lib/crti.S: $(top_builddir)lib/initfini.s $(top_builddir)lib/defs.h
  208. $(Q)sed -n -e '1,/@HEADER_ENDS/p' \
  209. -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
  210. -e '/@TRAILER_BEGINS/,$$p' $< > $@
  211. $(top_builddir)lib/crtn.S: $(top_builddir)lib/initfini.s
  212. $(Q)sed -n -e '1,/@HEADER_ENDS/p' \
  213. -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
  214. -e '/@TRAILER_BEGINS/,$$p' $< > $@
  215. $(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_builddir)lib/%.S
  216. $(Q)$(INSTALL) -d $(dir $@)
  217. $(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
  218. else
  219. $(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.S
  220. $(Q)$(INSTALL) -d $(dir $@)
  221. $(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
  222. endif
  223. #ifeq ($(TARGET_ARCH),nios)
  224. #CRTS_COMPAT := $(top_builddir)lib/crt0.o
  225. #$(CRTS_COMPAT):
  226. # ln -fs crt1.o $(top_builddir)lib/crt0.o
  227. #else
  228. CRTS_COMPAT :=
  229. #endif
  230. $(crt-y): $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT)
  231. $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT): | headers
  232. $(top_builddir)lib/$(NONSHARED_LIBNAME): $(libc-nonshared-y)
  233. $(Q)$(INSTALL) -d $(dir $@)
  234. $(Q)$(RM) $@
  235. $(do_strip)
  236. $(do_ar)
  237. $(top_builddir)lib/libpthread_nonshared.a: $(libpthread-nonshared-y)
  238. $(Q)$(INSTALL) -d $(dir $@)
  239. $(Q)$(RM) $@
  240. $(do_strip)
  241. $(do_ar)
  242. .PHONY: dummy create
  243. clean: objclean-y headers_clean-y
  244. objclean-y: $(objclean-y)
  245. headers_clean-y: $(headers_clean-y)
  246. .PHONY: \
  247. all check clean distclean test \
  248. config dist menuconfig oldconfig release \
  249. subdirs utils