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Makerules
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Makerules
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#
# Licensed under LGPL v2.1, see the file COPYING.LIB in this tarball for details.
#
.SUFFIXES: .c .S .o .os .oS .so .a .s .i
# order is important, the stripping uses STRIP_FLAGS for lib-so, but not for lib-a
ifeq ($(HAVE_SHARED),y)
.LIBPATTERNS: "lib%.so"
libs: $(lib-so-y) $(lib-a-y)
$(lib-so-y): $(interp)
else
.LIBPATTERNS: "lib%.a"
ifeq ($(UCLIBC_FORMAT_SHARED_FLAT),y)
libs: $(lib-gdb-y)
endif
libs: $(lib-a-y)
endif
objs: all_objs
shared_objs = $(ldso-y) $(libc-y:.o=.os) $(libc-shared-y) $(libc-nonshared-y) $(libdl-so-y)
shared_objs += $(libcrypt-so-y) $(libintl-so-y) $(libm-so-y) $(libnsl-so-y) $(libpthread-so-y) $(libpthread-nonshared-y)
shared_objs += $(libthread_db-so-y) $(libresolv-so-y) $(librt-so-y) $(libutil-so-y)
ar_objs = $(libc-y) $(libc-static-y) $(libdl-a-y) $(libcrypt-a-y) $(libintl-a-y) $(libm-a-y) $(libnsl-a-y)
ar_objs += $(libpthread-a-y) $(libthread_db-a-y) $(libresolv-a-y) $(librt-a-y) $(libutil-a-y)
ifeq ($(DOPIC),y)
ar_objs := $(ar_objs:.o=.os)
endif
ifeq ($(HAVE_SHARED),y)
all_objs: $(sort $(shared_objs) $(ar_objs))
else
all_objs: $(ar_objs)
endif
$(shared_objs) $(ar_objs): | $(sub_headers)
headers-y: $(headers-y)
@true
MAKEFLAGS += --no-print-directory
SHELL_SET_X := set +x
ifneq ($(findstring s,$(MAKEFLAGS)),)
export MAKE_IS_SILENT := y
SECHO := -@false
DISP := sil
Q := @
else
export MAKE_IS_SILENT := n
SECHO := @echo
ifneq ($(V)$(VERBOSE),)
SHELL_SET_X := set -x
DISP := ver
Q :=
else
DISP := pur
Q := @
endif
endif
show_objs = $(subst ../,,$@)
pur_disp_compile.c = echo " "CC $(show_objs)
pur_disp_compile.S = echo " "AS $(show_objs)
pur_disp_compile.m = $(pur_disp_compile.c)
pur_disp_compile-m = echo " "CC-m $(show_objs)
pur_disp_strip = echo " "STRIP $(STRIP_FLAGS) $@
pur_disp_t_strip = echo " "STRIP $(STRIP_FLAGS) $@
pur_disp_ar = echo " "AR $(ARFLAGS) $@
pur_disp_ld = echo " "LD $(1)
sil_disp_compile.c = true
sil_disp_compile.S = true
sil_disp_compile.m = true
sil_disp_compile-m = true
sil_disp_strip = true
sil_disp_t_strip = true
sil_disp_ar = true
sil_disp_ld = true
ver_disp_compile.c = echo $(cmd_compile.c)
ver_disp_compile.S = echo $(cmd_compile.S)
ver_disp_compile.m = echo $(cmd_compile.m)
ver_disp_compile-m = echo $(cmd_compile-m)
ver_disp_strip = echo $(cmd_strip)
ver_disp_t_strip = echo $(cmd_t_strip)
ver_disp_ar = echo $(cmd_ar)
ver_disp_ld =
disp_compile.c = $($(DISP)_disp_compile.c)
disp_compile.S = $($(DISP)_disp_compile.S)
disp_compile.m = $($(DISP)_disp_compile.m)
disp_compile-m = $($(DISP)_disp_compile-m)
disp_strip = $($(DISP)_disp_strip)
disp_t_strip = $($(DISP)_disp_t_strip)
disp_ar = $($(DISP)_disp_ar)
disp_ld = $($(DISP)_disp_ld)
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 $@))
cmd_compile.S = $(cmd_compile.c) -D__ASSEMBLER__ $(ASFLAGS) $(ARCH_ASFLAGS) $(ASFLAGS-$(suffix $@)) $(ASFLAGS-$(notdir $<)) $(ASFLAGS-$(notdir $@))
cmd_compile.m = $(cmd_compile.c) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@))
cmd_compile-m = $(CC) $^ -c -o $@ $(CFLAGS) $(ARCH_CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(notdir $(@D))) $(CFLAGS-$(notdir $@))
cmd_strip = $(STRIPTOOL) $(STRIP_FLAGS) $^
cmd_t_strip = $(STRIPTOOL) $(STRIP_FLAGS) $@
cmd_ar = $(AR) $(ARFLAGS) $@ $(sort $^)
compile.c = @$(disp_compile.c) ; $(cmd_compile.c)
compile.i = $(cmd_compile.c:-c=-E -dD)
compile.s = $(cmd_compile.c:-c=-S)
compile.S = @$(disp_compile.S) ; $(cmd_compile.S)
compile.m = @$(disp_compile.m) ; $(cmd_compile.m)
compile-m = @$(disp_compile-m) ; $(cmd_compile-m)
do_strip = @$(disp_strip) ; $(cmd_strip)
do_t_strip= @$(disp_t_strip) ; $(cmd_t_strip)
do_ar = @$(disp_ar) ; $(cmd_ar)
define compile.u
@$(disp_compile.c)
$(Q)$(CC) $^ $(DEPS-$(notdir $@)) -o $@ $(CFLAGS) $(CFLAGS-$(notdir $(^D))) $(CFLAGS-$(notdir $@))
@$(disp_strip)
$(Q)$(STRIPTOOL) $(STRIP_FLAGS) $@
endef
hcompile.u = $(HOSTCC) $^ $(DEPS-$(notdir $@)) -o $@ $(BUILD_LDFLAGS) $(BUILD_LDFLAGS-$(notdir $(^D))) $(BUILD_LDFLAGS-$(notdir $@)) $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@))
hcompile.o = $(HOSTCC) $^ $(DEPS-$(notdir $@)) -c -o $@ $(BUILD_CFLAGS) $(BUILD_CFLAGS-$(notdir $(^D))) $(BUILD_CFLAGS-$(notdir $@))
define link.so
$(Q)$(INSTALL) -d $(dir $@)
$(Q)$(RM) $@ $@.$(2) $(dir $@)$(1)
@$(disp_ld)
$(Q)$(LD) $(LDFLAGS-$(notdir $@)) -soname=$(notdir $@).$(2) \
-o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \
--whole-archive $(firstword $^) --no-whole-archive \
$(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@))
$(Q)$(LN) -sf $(1) $@.$(2)
$(Q)$(LN) -sf $(1) $@
endef
# CRT files needed by link-flat.so
LINK_FLAT_CRTS := $(top_builddir)lib/Scrt1.o $(top_builddir)lib/crti.o \
$(top_builddir)lib/crtn.o
# Create a shared flat library from the archive named by the first dependency.
# $@ names the shared library's .gdb file, not the flat file itself.
# (This is because the .gdb suffix makes the ELF file more distinctive
# than the suffixless flat file.)
#
# Argument 1 is the shared library file -- i.e. $(@:.gdb=) -- and argument 2
# is the shared library identifier. If it wasn't for $(disp_ld), we could
# avoid passing $(@:.gdb=) as an argument and use $(@:.gdb=) instead of $(1).
define link-flat.so
$(Q)$(INSTALL) -d $(dir $@)
$(Q)$(RM) $(1) $@
@$(disp_ld)
$(Q)$(LD) $(LDFLAGS-$(notdir $@)) -o $(1) \
-elf2flt -shared-lib-id $(2) $(top_builddir)lib/Scrt1.o \
$(top_builddir)/lib/crti.o --whole-archive $(firstword $^) \
--no-whole-archive $(LIBS-$(notdir $@)) $(LIBGCC) \
$(top_builddir)/lib/crtn.o
endef
define linkm.so
$(Q)$(INSTALL) -d $(dir $@)
$(Q)$(RM) $@ $@.$(2) $(dir $@)$(1)
@$(disp_ld)
$(Q)$(LD) $(LDFLAGS-$(notdir $@)) -soname=$(notdir $@).$(2) \
-o $(dir $@)$(1) $(START_FILE-$(notdir $@)) $^ \
$(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@))
$(Q)$(LN) -sf $(1) $@.$(2)
$(Q)$(LN) -sf $(1) $@
endef
CFLAGS-.os+=$(PICFLAG)
CFLAGS-.oS+=$(PICFLAG) -DSHARED
%.o: %.c ; $(compile.c)
%.os: %.c ; $(compile.c)
%.oS: %.c ; $(compile.c)
%.o: %.S ; $(compile.S)
%.os: %.S ; $(compile.S)
%.oS: %.S ; $(compile.S)
%.o: %.s ; $(compile.S)
%.os: %.s ; $(compile.S)
%.oS: %.s ; $(compile.S)
%.i: %.c ; $(compile.i)
%.i: %.S ; $(compile.i)
%.s: %.c ; $(compile.s)
%.s: %.S ; $(compile.s)
$(top_builddir)lib/interp.c: | $(sub_headers)
$(Q)$(INSTALL) -d $(dir $@)
$(Q)echo "/* Force shared libraries to know about the correct library loader */" > $@
$(Q)echo "#include <features.h>" >> $@
$(Q)echo "const char __dl_ldso__[] __attribute__ ((section " \
"(\".interp\"))) =\""$(SHARED_LIB_LOADER_PREFIX)/$(UCLIBC_LDSO)"\";" >> $@
$(interp): $(top_builddir)lib/interp.c
$(compile.c)
$(Q)$(STRIPTOOL) -x -R .note -R .comment $@
$(ldso):
@cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(MAJOR_VERSION),%,$(notdir $@))
$(libc):
@cd $(top_builddir); $(MAKE) lib/$(patsubst %.$(MAJOR_VERSION),%,$(notdir $@))
$(headers_dep):
$(Q)cd $(top_builddir); $(MAKE) headers
CRT := crt1
ifeq ($(HAVE_SHARED)$(UCLIBC_FORMAT_SHARED_FLAT),y)
CRTS=$(top_builddir)lib/$(CRT).o $(top_builddir)lib/S$(CRT).o
else
CRTS=$(top_builddir)lib/$(CRT).o
endif
ASFLAGS-$(CRT).o := -DL_$(CRT)
ASFLAGS-S$(CRT).o := $(PIEFLAG) -DL_S$(CRT)
$(CRTS): $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/$(CRT).S
$(Q)$(INSTALL) -d $(dir $@)
$(compile.S)
$(Q)$(STRIPTOOL) -x -R .note -R .comment $@
ifeq ($(UCLIBC_CTOR_DTOR),y)
CTOR_TARGETS=$(top_builddir)lib/crti.o $(top_builddir)lib/crtn.o
else
CTOR_TARGETS:=
endif
ifneq ($(wildcard $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c),)
CFLAGS-initfini.s := -S -g0 $(PICFLAG) -fno-inline-functions -finhibit-size-directive
$(top_builddir)lib/initfini.s: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c
$(compile.c)
$(top_builddir)lib/defs.h: $(top_builddir)lib/initfini.s
$(Q)sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
gawk -f $(top_srcdir)extra/scripts/defs.awk > $@.tmp
$(Q)mv $@.tmp $@
$(top_builddir)lib/crti.S: $(top_builddir)lib/initfini.s $(top_builddir)lib/defs.h
$(Q)sed -n -e '1,/@HEADER_ENDS/p' \
-e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
-e '/@TRAILER_BEGINS/,$$p' $< > $@
$(top_builddir)lib/crtn.S: $(top_builddir)lib/initfini.s
$(Q)sed -n -e '1,/@HEADER_ENDS/p' \
-e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
-e '/@TRAILER_BEGINS/,$$p' $< > $@
$(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_builddir)lib/%.S
$(Q)$(INSTALL) -d $(dir $@)
$(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
else
$(CTOR_TARGETS): $(top_builddir)lib/%.o : $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/%.S
$(Q)$(INSTALL) -d $(dir $@)
$(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
endif
#ifeq ($(TARGET_ARCH),nios)
#CRTS_COMPAT := $(top_builddir)lib/crt0.o
#$(CRTS_COMPAT):
# ln -fs crt1.o $(top_builddir)lib/crt0.o
#else
CRTS_COMPAT :=
#endif
$(crt-y): $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT)
$(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT): | headers
$(top_builddir)lib/$(NONSHARED_LIBNAME): $(libc-nonshared-y)
$(Q)$(INSTALL) -d $(dir $@)
$(Q)$(RM) $@
$(do_strip)
$(do_ar)
$(top_builddir)lib/libpthread_nonshared.a: $(libpthread-nonshared-y)
$(Q)$(INSTALL) -d $(dir $@)
$(Q)$(RM) $@
$(do_strip)
$(do_ar)
.PHONY: dummy create
clean: objclean-y headers_clean-y
objclean-y: $(objclean-y)
headers_clean-y: $(headers_clean-y)
.PHONY: \
all check clean distclean test \
config dist menuconfig oldconfig release \
subdirs utils