2 # Licensed under LGPL v2.1, see the file COPYING.LIB in this tarball for details.
5 .SUFFIXES: .c .S .o .os .oS .so .a .s .i
7 # order is important, the stripping uses STRIP_FLAGS for lib-so, but not for lib-a
8 ifeq ($(HAVE_SHARED),y)
9 .LIBPATTERNS: "lib%.so"
10 libs: $(lib-so-y) $(lib-a-y)
11 $(lib-so-y): $(interp)
13 .LIBPATTERNS: "lib%.a"
14 ifeq ($(UCLIBC_FORMAT_SHARED_FLAT),y)
21 shared_objs = $(ldso-y) $(libc-y:.o=.os) $(libc-shared-y) $(libc-nonshared-y) $(libdl-so-y)
22 shared_objs += $(libcrypt-so-y) $(libintl-so-y) $(libm-so-y) $(libnsl-so-y) $(libpthread-so-y) $(libpthread-nonshared-y)
23 shared_objs += $(libthread_db-so-y) $(libresolv-so-y) $(librt-so-y) $(libutil-so-y)
24 ar_objs = $(libc-y) $(libc-static-y) $(libdl-a-y) $(libcrypt-a-y) $(libintl-a-y) $(libm-a-y) $(libnsl-a-y)
25 ar_objs += $(libpthread-a-y) $(libthread_db-a-y) $(libresolv-a-y) $(librt-a-y) $(libutil-a-y)
27 ar_objs := $(ar_objs:.o=.os)
30 ifeq ($(HAVE_SHARED),y)
31 all_objs: $(sort $(shared_objs) $(ar_objs))
35 $(shared_objs) $(ar_objs): | $(sub_headers)
37 headers-y: $(headers-y)
40 MAKEFLAGS += --no-print-directory
42 ifneq ($(findstring s,$(MAKEFLAGS)),)
43 export MAKE_IS_SILENT := y
48 export MAKE_IS_SILENT := n
50 ifneq ($(V)$(VERBOSE),)
60 show_objs = $(subst ../,,$@)
62 pur_disp_compile.c = echo " "CC $(show_objs)
63 pur_disp_compile.S = echo " "AS $(show_objs)
64 pur_disp_compile.m = $(pur_disp_compile.c)
65 pur_disp_compile-m = echo " "CC-m $(show_objs)
66 pur_disp_strip = echo " "STRIP $(STRIP_FLAGS) $@
67 pur_disp_t_strip = echo " "STRIP $(STRIP_FLAGS) $@
68 pur_disp_ar = echo " "AR $(ARFLAGS) $@
69 pur_disp_ld = echo " "LD $(1)
71 sil_disp_compile.c = true
72 sil_disp_compile.S = true
73 sil_disp_compile.m = true
74 sil_disp_compile-m = true
76 sil_disp_t_strip = true
80 ver_disp_compile.c = echo $(cmd_compile.c)
81 ver_disp_compile.S = echo $(cmd_compile.S)
82 ver_disp_compile.m = echo $(cmd_compile.m)
83 ver_disp_compile-m = echo $(cmd_compile-m)
84 ver_disp_strip = echo $(cmd_strip)
85 ver_disp_t_strip = echo $(cmd_t_strip)
86 ver_disp_ar = echo $(cmd_ar)
89 disp_compile.c = $($(DISP)_disp_compile.c)
90 disp_compile.S = $($(DISP)_disp_compile.S)
91 disp_compile.m = $($(DISP)_disp_compile.m)
92 disp_compile-m = $($(DISP)_disp_compile-m)
93 disp_strip = $($(DISP)_disp_strip)
94 disp_t_strip = $($(DISP)_disp_t_strip)
95 disp_ar = $($(DISP)_disp_ar)
96 disp_ld = $($(DISP)_disp_ld)
98 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 $@))
99 cmd_compile.S = $(cmd_compile.c) -D__ASSEMBLER__ $(ASFLAGS) $(ARCH_ASFLAGS) $(ASFLAGS-$(suffix $@)) $(ASFLAGS-$(notdir $<)) $(ASFLAGS-$(notdir $@))
100 cmd_compile.m = $(cmd_compile.c) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@))
101 cmd_compile-m = $(CC) $^ -c -o $@ $(CFLAGS) $(ARCH_CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(notdir $(@D))) $(CFLAGS-$(notdir $@))
102 cmd_strip = $(STRIPTOOL) $(STRIP_FLAGS) $^
103 cmd_t_strip = $(STRIPTOOL) $(STRIP_FLAGS) $@
104 cmd_ar = $(AR) $(ARFLAGS) $@ $^
106 compile.c = @$(disp_compile.c) ; $(cmd_compile.c)
107 compile.i = $(cmd_compile.c:-c=-E -dD)
108 compile.s = $(cmd_compile.c:-c=-S)
109 compile.S = @$(disp_compile.S) ; $(cmd_compile.S)
110 compile.m = @$(disp_compile.m) ; $(cmd_compile.m)
111 compile-m = @$(disp_compile-m) ; $(cmd_compile-m)
112 do_strip = @$(disp_strip) ; $(cmd_strip)
113 do_t_strip= @$(disp_t_strip) ; $(cmd_t_strip)
114 do_ar = @$(disp_ar) ; $(cmd_ar)
118 $(Q)$(CC) $^ $(DEPS-$(notdir $@)) -o $@ $(CFLAGS) $(CFLAGS-$(notdir $(^D))) $(CFLAGS-$(notdir $@))
120 $(Q)$(STRIPTOOL) $(STRIP_FLAGS) $@
122 hcompile.u = $(HOSTCC) $^ $(DEPS-$(notdir $@)) -o $@ $(BUILD_LDFLAGS) $(BUILD_LDFLAGS-$(notdir $(^D))) $(BUILD_LDFLAGS-$(notdir $@)) $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@))
123 hcompile.o = $(HOSTCC) $^ $(DEPS-$(notdir $@)) -c -o $@ $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@))
126 $(Q)$(INSTALL) -d $(dir $@)
127 $(Q)$(RM) $@ $@.$(2) $(dir $@)$(1)
129 $(Q)$(CC) $(LDFLAGS-$(notdir $@)) -Wl,-soname=$(notdir $@).$(2) \
130 $(NOSTDLIB_CFLAGS) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \
131 -Wl,--whole-archive $(firstword $^) -Wl,--no-whole-archive \
132 $(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@))
133 $(Q)$(LN) -sf $(1) $@.$(2)
134 $(Q)$(LN) -sf $(1) $@
137 # CRT files needed by link-flat.so
138 LINK_FLAT_CRTS := $(top_builddir)lib/Scrt1.o $(top_builddir)lib/crti.o \
139 $(top_builddir)lib/crtn.o
141 # Create a shared flat library from the archive named by the first dependency.
142 # $@ names the shared library's .gdb file, not the flat file itself.
143 # (This is because the .gdb suffix makes the ELF file more distinctive
144 # than the suffixless flat file.)
146 # Argument 1 is the shared library file -- i.e. $(@:.gdb=) -- and argument 2
147 # is the shared library identifier. If it wasn't for $(disp_ld), we could
148 # avoid passing $(@:.gdb=) as an argument and use $(@:.gdb=) instead of $(1).
150 # This is so far only used for libc, for which we want to link the entire
151 # libgcc into the shared object.
153 $(Q)$(INSTALL) -d $(dir $@)
156 $(Q)$(CC) $(LDFLAGS-$(notdir $@)) $(NOSTDLIB_CFLAGS) -o $(1) \
157 -Wl,-elf2flt -Wl,-shared-lib-id,$(2) $(top_builddir)lib/Scrt1.o \
158 $(top_builddir)/lib/crti.o -Wl,--whole-archive $(firstword $^) \
159 $(LIBGCC) -Wl,--no-whole-archive $(LIBS-$(notdir $@)) $(LIBGCC) \
160 $(top_builddir)/lib/crtn.o
164 $(Q)$(INSTALL) -d $(dir $@)
165 $(Q)$(RM) $@ $@.$(2) $(dir $@)$(1)
167 $(Q)$(CC) $(LDFLAGS-$(notdir $@)) -Wl,-soname=$(notdir $@).$(2) \
168 $(NOSTDLIB_CFLAGS) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) $^ \
169 $(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@))
170 $(Q)$(LN) -sf $(1) $@.$(2)
171 $(Q)$(LN) -sf $(1) $@
174 CFLAGS-.os+=$(PICFLAG)
175 CFLAGS-.oS+=$(PICFLAG) -DSHARED
177 %.o: %.c ; $(compile.c)
178 %.os: %.c ; $(compile.c)
179 %.oS: %.c ; $(compile.c)
180 %.o: %.S ; $(compile.S)
181 %.os: %.S ; $(compile.S)
182 %.oS: %.S ; $(compile.S)
183 %.o: %.s ; $(compile.S)
184 %.os: %.s ; $(compile.S)
185 %.oS: %.s ; $(compile.S)
186 %.i: %.c ; $(compile.i)
187 %.i: %.S ; $(compile.i)
188 %.s: %.c ; $(compile.s)
189 %.s: %.S ; $(compile.s)
191 $(top_builddir)lib/interp.c: | $(sub_headers)
192 $(Q)$(INSTALL) -d $(dir $@)
193 $(Q)echo "/* Force shared libraries to know about the correct library loader */" > $@
194 $(Q)echo "#include <features.h>" >> $@
195 $(Q)echo "const char __dl_ldso__[] __attribute__ ((section " \
196 "(\".interp\"))) =\""$(SHARED_LIB_LOADER_PREFIX)/$(UCLIBC_LDSO)"\";" >> $@
198 $(interp): $(top_builddir)lib/interp.c
200 $(Q)$(STRIPTOOL) -x -R .note -R .comment $@
203 @cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(MAJOR_VERSION),%,$(notdir $@))
206 @cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(MAJOR_VERSION),%,$(notdir $@))
209 $(Q)cd $(top_builddir); $(MAKE) headers
213 ifeq ($(HAVE_SHARED)$(UCLIBC_FORMAT_SHARED_FLAT),y)
214 CRTS=$(top_builddir)lib/$(CRT).o $(top_builddir)lib/S$(CRT).o
216 CRTS=$(top_builddir)lib/$(CRT).o
219 ASFLAGS-$(CRT).o := -DL_$(CRT)
220 ASFLAGS-S$(CRT).o := $(PIEFLAG) -DL_S$(CRT)
221 $(CRTS): $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/$(CRT).S
222 $(Q)$(INSTALL) -d $(dir $@)
224 $(Q)$(STRIPTOOL) -x -R .note -R .comment $@
226 ifeq ($(UCLIBC_CTOR_DTOR),y)
227 CTOR_TARGETS=$(top_builddir)lib/crti.o $(top_builddir)lib/crtn.o
232 ifeq ($(UCLIBC_FORMAT_FDPIC_ELF),y)
233 CRTRELOC=$(top_builddir)lib/crtreloc.o
234 $(CRTRELOC): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.c
235 $(Q)$(INSTALL) -d $(dir $@)
239 ifneq ($(wildcard $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c),)
240 CFLAGS-initfini.s := -S -g0 $(PICFLAG) -fno-inline-functions -finhibit-size-directive
241 $(top_builddir)lib/initfini.s: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c
244 $(top_builddir)lib/defs.h: $(top_builddir)lib/initfini.s
245 $(Q)sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
246 gawk -f $(top_srcdir)extra/scripts/defs.awk > $@.tmp
249 $(top_builddir)lib/crti.S: $(top_builddir)lib/initfini.s $(top_builddir)lib/defs.h
250 $(Q)sed -n -e '1,/@HEADER_ENDS/p' \
251 -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
252 -e '/@TRAILER_BEGINS/,$$p' $< > $@
254 $(top_builddir)lib/crtn.S: $(top_builddir)lib/initfini.s
255 $(Q)sed -n -e '1,/@HEADER_ENDS/p' \
256 -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
257 -e '/@TRAILER_BEGINS/,$$p' $< > $@
259 $(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_builddir)lib/%.S
260 $(Q)$(INSTALL) -d $(dir $@)
261 $(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
263 $(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.S
264 $(Q)$(INSTALL) -d $(dir $@)
265 $(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
268 #ifeq ($(TARGET_ARCH),nios)
269 #CRTS_COMPAT := $(top_builddir)lib/crt0.o
271 # ln -fs crt1.o $(top_builddir)lib/crt0.o
276 $(crt-y): $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC)
277 $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC): | headers
279 $(top_builddir)lib/$(NONSHARED_LIBNAME): $(libc-nonshared-y)
280 $(Q)$(INSTALL) -d $(dir $@)
285 $(top_builddir)lib/libpthread_nonshared.a: $(libpthread-nonshared-y)
286 $(Q)$(INSTALL) -d $(dir $@)
292 clean: objclean-y headers_clean-y
294 objclean-y: $(objclean-y)
295 headers_clean-y: $(headers_clean-y)
298 all check clean distclean test \
299 config dist menuconfig oldconfig release \