Makerules

   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 ifeq ($(DOPIC),y)
   8 lib-a-y: $(lib-a-pic-y)
   9 else
  10 lib-a-y: $(lib-a-y)
  11 endif
  12 lib-so-y: $(lib-so-y)
  13
  14 # order is important, the stripping uses STRIP_FLAGS for lib-so, but not for lib-a
  15 ifeq ($(HAVE_SHARED),y)
  16 .LIBPATTERNS: "lib%.so"
  17 libs: lib-so-y lib-a-y
  18 else
  19 .LIBPATTERNS: "lib%.a"
  20 libs: lib-a-y
  21 endif
  22
  23 crt-y: $(crt-y)
  24 other-y: $(other-y)
  25 objclean-y: $(objclean-y)
  26
  27 lib-multi-y: $(lib-multi-y)
  28 ifeq ($(DOPIC),y)
  29 lib-nomulti-y: $(lib-nomulti-y:.o=.os)
  30 else
  31 lib-nomulti-y: $(lib-nomulti-y) $(lib-nomulti-y:.o=.os)
  32 endif
  33
  34 libc-nonshared-y: $(libc-nonshared-y)
  35
  36 $(top_builddir)lib/$(NONSHARED_LIBNAME): $(libc-nonshared-y)
  37         $(INSTALL) -d $(top_builddir)lib
  38         $(AR) $(ARFLAGS) $@ $^
  39
  40 compile.c=$(CC) -c $< -o $@ $(CPPFLAGS) $(CFLAGS) $(ARCH_CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(notdir $@)) $(CFLAGS-$(notdir $<))
  41 compile.S=$(compile.c) $(S_CPPFLAGS) $(ASFLAGS) $(ARCH_ASFLAGS) $(ASFLAGS-$(suffix $@)) $(ASFLAGS-$(notdir $@)) $(ASFLAGS-$(notdir $<))
  42 compile.m=$(compile.c) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@))
  43
  44 #compile.i=$(compile.m) -E
  45
  46 compile-m=$(CC) $^ -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ARCH_CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(notdir $@)) $(CFLAGS-$(notdir $<)) $(S_CPPFLAGS) $(ASFLAGS) $(ARCH_ASFLAGS) $(ASFLAGS-$(suffix $@)) $(ASFLAGS-$(notdir $@)) $(ASFLAGS-$(notdir $<)) $(CFLAGS-multi-y)
  47
  48 CFLAGS-.os+=$(PICFLAG)
  49
  50 %.o: %.c
  51         $(compile.c)
  52
  53 %.os: %.c
  54         $(compile.c)
  55
  56 %.oS: %.c
  57         $(compile.c) -DSHARED
  58
  59 %.o: %.S
  60         $(compile.S)
  61
  62 %.os: %.S
  63         $(compile.S)
  64
  65 #ifeq ($(HAVE_ELF),y)
  66 CRT=crt1
  67 #else
  68 #CRT=crt0.o
  69 #endif
  70
  71 CRTS=$(top_builddir)lib/$(CRT).o $(top_builddir)lib/S$(CRT).o
  72
  73 $(top_builddir)lib/$(CRT).o: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/$(CRT).S
  74         $(INSTALL) -d $(dir $@)
  75         $(compile.S) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@))
  76         $(STRIPTOOL) -x -R .note -R .comment $@
  77
  78 $(top_builddir)lib/S$(CRT).o: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/$(CRT).S
  79         $(INSTALL) -d $(dir $@)
  80         $(compile.S) $(PIEFLAG) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@))
  81         $(STRIPTOOL) -x -R .note -R .comment $@
  82
  83 CTOR_TARGETS=$(top_builddir)lib/crti.o $(top_builddir)lib/crtn.o
  84
  85 ifeq ($(UCLIBC_CTOR_DTOR),y)
  86 $(top_builddir)lib/crti.o: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/crti.S
  87         $(INSTALL) -d $(dir $@)
  88         $(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
  89
  90 $(top_builddir)lib/crtn.o: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/crtn.S
  91         $(INSTALL) -d $(dir $@)
  92         $(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
  93 else
  94 $(CTOR_TARGETS):
  95         $(INSTALL) -d $(top_builddir)lib
  96         $(AR) $(ARFLAGS) $@
  97 endif
  98
  99 $(crt-y): $(CRTS) $(CTOR_TARGETS)
 100
 101 .PHONY: clean headers dummy create
 102 clean: objclean-y headers_clean-y
 103 headers: $(headers-y)
 104
 105 headers_clean-y: $(headers_clean-y)
 106
 107 ifneq ($(strip $(LIB_NAME)),)
 108
 109 ifeq ($(strip $($(LIB_NAME)_FULL_NAME)),)
 110 $(LIB_NAME)_FULL_NAME:=$(LIB_NAME)-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
 111 endif
 112
 113 ifeq ($(DOPIC),y)
 114 $(LIB_NAME)-a-y: $($(LIB_NAME)-a-pic-y)
 115 else
 116 $(LIB_NAME)-a-y: $($(LIB_NAME)-a-y)
 117 endif
 118 $(LIB_NAME)-so-y: $($(LIB_NAME)-so-y)
 119
 120 ifeq ($(HAVE_SHARED),y)
 121 objs: $(LIB_NAME)-a-y $(LIB_NAME)-so-y
 122 else
 123 objs: $(LIB_NAME)-a-y
 124 endif
 125
 126 $($(LIB_NAME)_OUT)/$(LIB_NAME).o $($(LIB_NAME)_OUT)/$(LIB_NAME).os: $($(LIB_NAME)-multi-y)
 127         $(compile-m)
 128
 129 libc=$(top_builddir)lib/libc.so
 130 interp=$(top_builddir)libc/misc/internals/interp.os
 131 ifeq ($(strip $(EXTRA_LINK_LIBS)),)
 132 #EXTRA_LINK_LIBS:=$(interp) -L$(top_builddir)lib -lc $(LDADD_LIBFLOAT) $(LIBGCC)
 133 EXTRA_LINK_LIBS:=$(interp) $(libc) $(LDADD_LIBFLOAT) $(LIBGCC)
 134 endif
 135
 136 ifneq ($(strip $(LIB_NAME)),libc)
 137 ifneq ($(strip $(LIB_NAME)),ld-uClibc)
 138 $(top_builddir)lib/$(LIB_NAME).so: $($(LIB_NAME)_OUT)/$(LIB_NAME)_so.a $(interp) $(libc)
 139 else
 140 $(top_builddir)lib/$(LIB_NAME).so: $($(LIB_NAME)_OUT)/$(LIB_NAME)_so.a
 141 endif
 142 else
 143 $(top_builddir)lib/$(LIB_NAME).so: $($(LIB_NAME)_OUT)/$(LIB_NAME)_so.a $(interp)
 144 endif
 145         $(INSTALL) -d $(dir $@)
 146         $(RM) $@ $@.$(MAJOR_VERSION) $(top_builddir)lib/$($(LIB_NAME)_FULL_NAME)
 147         $(LD) $(LDFLAGS) $(EXTRA_LINK_OPTS) -soname=$(notdir $@).$(MAJOR_VERSION) \
 148                 -o $(top_builddir)lib/$($(LIB_NAME)_FULL_NAME) $(SHARED_START_FILES) \
 149                 --whole-archive $(firstword $^) --no-whole-archive \
 150                 $(EXTRA_LINK_LIBS) $(SHARED_END_FILES)
 151         $(LN) -sf $($(LIB_NAME)_FULL_NAME) $@.$(MAJOR_VERSION)
 152 ifneq ($(strip $(LIB_NAME)),libc)
 153 ifneq ($(strip $(LIB_NAME)),ld-uClibc)
 154         $(LN) -sf $($(LIB_NAME)_FULL_NAME) $@
 155 endif
 156 else
 157         echo "/* GNU ld script" > $@
 158         echo " * Use the shared library, but some functions are only in" >> $@
 159         echo " * the static library, so try that secondarily. */" >> $@
 160 ifeq ($(COMPAT_ATEXIT),y)
 161         echo "GROUP ( $(top_builddir)lib/$(NONSHARED_LIBNAME) $(top_builddir)lib/$(SHARED_MAJORNAME) )" >> $@
 162 else
 163         echo "GROUP ( $(top_builddir)lib/$(SHARED_MAJORNAME) $(top_builddir)lib/$(NONSHARED_LIBNAME) )" >> $@
 164 endif
 165 endif
 166
 167 $(top_builddir)lib/$(LIB_NAME).so.notused: $($(LIB_NAME)-so-y)
 168 ifneq ($(strip $(STRIP_FLAGS)),)
 169         $(STRIPTOOL) $(STRIP_FLAGS) $^
 170 else
 171         $(STRIPTOOL) -x -R .note -R .comment $^
 172 endif
 173         $(INSTALL) -d $(dir $@)
 174         $(RM) $@ $@.$(MAJOR_VERSION) $(top_builddir)lib/$($(LIB_NAME)_FULL_NAME)
 175         $(LD) $(LDFLAGS) $(EXTRA_LINK_OPTS) -soname=$(notdir $@).$(MAJOR_VERSION) \
 176                 -o $(top_builddir)lib/$($(LIB_NAME)_FULL_NAME) $(SHARED_START_FILES) $^ \
 177                 $(EXTRA_LINK_LIBS) $(SHARED_END_FILES)
 178         $(LN) -sf $($(LIB_NAME)_FULL_NAME) $@.$(MAJOR_VERSION)
 179 ifneq ($(strip $(LIB_NAME)),libc)
 180         $(LN) -sf $($(LIB_NAME)_FULL_NAME) $@
 181 else
 182         echo "/* GNU ld script" > $@
 183         echo " * Use the shared library, but some functions are only in" >> $@
 184         echo " * the static library, so try that secondarily. */" >> $@
 185 ifeq ($(COMPAT_ATEXIT),y)
 186         echo "GROUP ( $(top_builddir)lib/$(NONSHARED_LIBNAME) $(top_builddir)lib/$(SHARED_MAJORNAME) )" >> $@
 187 else
 188         echo "GROUP ( $(top_builddir)lib/$(SHARED_MAJORNAME) $(top_builddir)lib/$(NONSHARED_LIBNAME) )" >> $@
 189 endif
 190 endif
 191
 192 ifneq ($(DOMULTI),n)
 193
 194 $($(LIB_NAME)_OUT)/$(LIB_NAME)_so.a: $($(LIB_NAME)_OUT)/$(LIB_NAME).os $($(LIB_NAME)-nomulti-y:.o=.os)
 195         $(RM) $@
 196 ifneq ($(strip $(STRIP_FLAGS)),)
 197         $(STRIPTOOL) $(STRIP_FLAGS) $^
 198 else
 199         $(STRIPTOOL) -x -R .note -R .comment $^
 200 endif
 201         $(AR) $(ARFLAGS) $@ $^
 202
 203 ifeq ($(DOPIC),y)
 204 $(top_builddir)lib/$(LIB_NAME).a: $($(LIB_NAME)_OUT)/$(LIB_NAME).os $($(LIB_NAME)-nomulti-y:.o=.os)
 205 else
 206 $(top_builddir)lib/$(LIB_NAME).a: $($(LIB_NAME)_OUT)/$(LIB_NAME).o $($(LIB_NAME)-nomulti-y)
 207 endif
 208         $(INSTALL) -d $(dir $@)
 209         $(RM) $@
 210         $(STRIPTOOL) -x -R .note -R .comment $^
 211         $(AR) $(ARFLAGS) $@ $^
 212
 213 else # DOMULTI
 214
 215 $($(LIB_NAME)_OUT)/$(LIB_NAME)_so.a: $($(LIB_NAME)-so-y)
 216         $(RM) $@
 217 ifneq ($(strip $(STRIP_FLAGS)),)
 218         $(STRIPTOOL) $(STRIP_FLAGS) $^
 219 else
 220         $(STRIPTOOL) -x -R .note -R .comment $^
 221 endif
 222         $(AR) $(ARFLAGS) $@ $^
 223
 224 ifeq ($(DOPIC),y)
 225 $(top_builddir)lib/$(LIB_NAME).a: $($(LIB_NAME)-a-pic-y)
 226 else
 227 $(top_builddir)lib/$(LIB_NAME).a: $($(LIB_NAME)-a-y)
 228 endif
 229         $(INSTALL) -d $(dir $@)
 230         $(RM) $@
 231         $(STRIPTOOL) -x -R .note -R .comment $^
 232         $(AR) $(ARFLAGS) $@ $^
 233
 234 endif # DOMULTI
 235
 236 $(LIB_NAME)_clean:
 237         rm -f $($(LIB_NAME)_OUT)/*.{o,os,a}
 238
 239 else # LIB_NAME
 240
 241 ifeq ($(DOPIC),y)
 242 libc-a-y: $(libc-a-pic-y)
 243 libc-nomulti-y: $(libc-nomulti-y:.o=.os)
 244 else
 245 libc-a-y: $(libc-a-y)
 246 libc-nomulti-y: $(libc-nomulti-y) $(libc-nomulti-y:.o=.os)
 247 endif
 248 libc-so-y: $(libc-so-y)
 249
 250 libc-multi-y: $(libc-multi-y)
 251         $(compile-m)
 252
 253 ifeq ($(HAVE_SHARED),y)
 254 objs: libc-a-y libc-so-y crt-y other-y
 255 else
 256 objs: libc-a-y crt-y other-y
 257 endif
 258
 259 # only for local multi testing
 260 libc.o libc.os: $(libc-multi-y)
 261         $(compile-m)
 262
 263 endif # LIB_NAME