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 # 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 else
  12 .LIBPATTERNS: "lib%.a"
  13 libs: lib-a-y
  14 endif
  15
  16 lib-a-y: $(lib-a-y)
  17 lib-so-y: $(lib-so-y)
  18
  19 compile.c=$(CC) -c $< -o $@ $(CPPFLAGS) $(CFLAGS) $(ARCH_CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(notdir $@)) $(CFLAGS-$(notdir $<))
  20 compile.S=$(compile.c) $(S_CPPFLAGS) $(ASFLAGS) $(ARCH_ASFLAGS) $(ASFLAGS-$(suffix $@)) $(ASFLAGS-$(notdir $@)) $(ASFLAGS-$(notdir $<))
  21 compile.m=$(compile.c) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@))
  22
  23 compile-m=$(CC) $^ -c -o $@ $(CPPFLAGS) $(CFLAGS) $(ARCH_CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(notdir $@)) $(CFLAGS-$(notdir $<)) $(CFLAGS-multi-y)
  24
  25 CFLAGS-.os+=$(PICFLAG)
  26 CFLAGS-.oS+=$(PICFLAG) -DSHARED
  27
  28 %.o %.os: %.c
  29         $(compile.c)
  30
  31 %.oS: %.c
  32         $(compile.c)
  33
  34 %.o %.os: %.S
  35         $(compile.S)
  36
  37 #ifeq ($(HAVE_ELF),y)
  38 CRT=crt1
  39 #else
  40 #CRT=crt0.o
  41 #endif
  42
  43 ifeq ($(HAVE_SHARED),y)
  44 CRTS=$(top_builddir)lib/$(CRT).o $(top_builddir)lib/S$(CRT).o
  45 else
  46 CRTS=$(top_builddir)lib/$(CRT).o
  47 endif
  48
  49 $(top_builddir)lib/$(CRT).o: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/$(CRT).S
  50         $(INSTALL) -d $(dir $@)
  51         $(compile.S) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@))
  52         $(STRIPTOOL) -x -R .note -R .comment $@
  53
  54 $(top_builddir)lib/S$(CRT).o: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/$(CRT).S
  55         $(INSTALL) -d $(dir $@)
  56         $(compile.S) $(PIEFLAG) -DL_$(patsubst %$(suffix $(notdir $@)),%,$(notdir $@))
  57         $(STRIPTOOL) -x -R .note -R .comment $@
  58
  59 CTOR_TARGETS=$(top_builddir)lib/crti.o $(top_builddir)lib/crtn.o
  60
  61 ifeq ($(UCLIBC_CTOR_DTOR),y)
  62 $(top_builddir)lib/crti.o: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/crti.S
  63         $(INSTALL) -d $(dir $@)
  64         $(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
  65
  66 $(top_builddir)lib/crtn.o: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/crtn.S
  67         $(INSTALL) -d $(dir $@)
  68         $(compile.S) $(PICFLAG) $(SSP_DISABLE_FLAGS)
  69 else
  70 $(CTOR_TARGETS):
  71         $(INSTALL) -d $(top_builddir)lib
  72         $(AR) $(ARFLAGS) $@
  73 endif
  74
  75 crt-y: $(crt-y)
  76 $(crt-y): $(CRTS) $(CTOR_TARGETS)
  77
  78 other-y: $(other-y)
  79 headers-y: $(headers-y)
  80
  81 objclean-y: $(objclean-y)
  82 headers_clean-y: $(headers_clean-y)
  83
  84 $(top_builddir)lib/$(NONSHARED_LIBNAME): $(libc-nonshared-y)
  85         $(INSTALL) -d $(dir $@)
  86         $(AR) $(ARFLAGS) $@ $^
  87
  88 .PHONY: dummy create
  89 clean: objclean-y headers_clean-y
  90
  91 ifeq ($(strip $(LIB_NAME)),)
  92 LIB_NAME=libc
  93 endif
  94
  95 ifeq ($(strip $($(LIB_NAME)_FULL_NAME)),)
  96 $(LIB_NAME)_FULL_NAME:=$(LIB_NAME)-$(MAJOR_VERSION).$(MINOR_VERSION).$(SUBLEVEL).so
  97 endif
  98
  99 $(LIB_NAME)-SHARED_OBJS=$($(LIB_NAME)-so-y) $($(LIB_NAME)-shared-y)
 100 ifeq ($(HAVE_SHARED),y)
 101 shared: $($(LIB_NAME)-SHARED_OBJS)
 102 else
 103 shared:
 104 endif
 105
 106 $(LIB_NAME)-ARCHIVE_OBJS=$($(LIB_NAME)-a-y) $($(LIB_NAME)-static-y)
 107 ifeq ($(DOPIC),y)
 108 objs: shared $($(LIB_NAME)-ARCHIVE_OBJS:.o=.os) $(crt-y) $(other-y)
 109 else
 110 objs: shared $($(LIB_NAME)-ARCHIVE_OBJS) $(crt-y) $(other-y)
 111 endif
 112
 113 libc=$(top_builddir)lib/libc.so
 114 interp=$(top_builddir)libc/misc/internals/interp.os
 115 ifeq ($(strip $(EXTRA_LINK_LIBS)),)
 116 #EXTRA_LINK_LIBS:=$(interp) -L$(top_builddir)lib -lc $(LDADD_LIBFLOAT) $(LIBGCC)
 117 EXTRA_LINK_LIBS:=$(interp) $(libc) $(LDADD_LIBFLOAT) $(LIBGCC)
 118 endif
 119
 120 ifneq ($(strip $(LIB_NAME)),libc)
 121 ifneq ($(strip $(LIB_NAME)),ld-uClibc)
 122 $(top_builddir)lib/$(LIB_NAME).so: $($(LIB_NAME)_OUT)/$(LIB_NAME)_so.a $(interp) $(libc)
 123 else
 124 $(top_builddir)lib/$(LIB_NAME).so: $($(LIB_NAME)_OUT)/$(LIB_NAME)_so.a
 125 endif
 126 else
 127 $(top_builddir)lib/$(LIB_NAME).so: $($(LIB_NAME)_OUT)/$(LIB_NAME)_so.a $(interp)
 128 endif
 129         $(INSTALL) -d $(dir $@)
 130         $(RM) $@ $@.$(MAJOR_VERSION) $(top_builddir)lib/$($(LIB_NAME)_FULL_NAME)
 131         $(LD) $(LDFLAGS) $(EXTRA_LINK_OPTS) -soname=$(notdir $@).$(MAJOR_VERSION) \
 132                 -o $(top_builddir)lib/$($(LIB_NAME)_FULL_NAME) $(SHARED_START_FILES) \
 133                 --whole-archive $(firstword $^) --no-whole-archive \
 134                 $(EXTRA_LINK_LIBS) $(SHARED_END_FILES)
 135         $(LN) -sf $($(LIB_NAME)_FULL_NAME) $@.$(MAJOR_VERSION)
 136 ifneq ($(strip $(LIB_NAME)),libc)
 137 ifneq ($(strip $(LIB_NAME)),ld-uClibc)
 138         $(LN) -sf $($(LIB_NAME)_FULL_NAME) $@
 139 endif
 140 else
 141         echo "/* GNU ld script" > $@
 142         echo " * Use the shared library, but some functions are only in" >> $@
 143         echo " * the static library, so try that secondarily. */" >> $@
 144 ifeq ($(UCLIBC_HAS_SSP),y)
 145 ifeq ($(COMPAT_ATEXIT),y)
 146         echo "GROUP ( $(top_builddir)lib/$(NONSHARED_LIBNAME) $(top_builddir)lib/$(SHARED_MAJORNAME) AS_NEEDED ( $(top_builddir)lib/$(UCLIBC_LDSO) ) )" >> $@
 147 else
 148         echo "GROUP ( $(top_builddir)lib/$(SHARED_MAJORNAME) $(top_builddir)lib/$(NONSHARED_LIBNAME) AS_NEEDED ( $(top_builddir)lib/$(UCLIBC_LDSO) ) )" >> $@
 149 endif
 150 else
 151 ifeq ($(COMPAT_ATEXIT),y)
 152         echo "GROUP ( $(top_builddir)lib/$(NONSHARED_LIBNAME) $(top_builddir)lib/$(SHARED_MAJORNAME) )" >> $@
 153 else
 154         echo "GROUP ( $(top_builddir)lib/$(SHARED_MAJORNAME) $(top_builddir)lib/$(NONSHARED_LIBNAME) )" >> $@
 155 endif
 156 endif
 157 endif
 158
 159 $($(LIB_NAME)_OUT)/$(LIB_NAME)_m.o $($(LIB_NAME)_OUT)/$(LIB_NAME)_m.os: $($(LIB_NAME)-multi-y)
 160         $(compile-m)
 161
 162 # local testing only until libc is multi-capable
 163 libc_m.os: $(libc-multi-y)
 164         $(compile-m)
 165
 166 ifneq ($(DOMULTI),n)
 167
 168 $($(LIB_NAME)_OUT)/$(LIB_NAME)_so.a: $($(LIB_NAME)_OUT)/$(LIB_NAME)_m.os $($(LIB_NAME)-nomulti-y:.o=.os) $($(LIB_NAME)-shared-y)
 169         $(RM) $@
 170 ifneq ($(strip $(STRIP_FLAGS)),)
 171         $(STRIPTOOL) $(STRIP_FLAGS) $^
 172 else
 173         $(STRIPTOOL) -x -R .note -R .comment $^
 174 endif
 175         $(AR) $(ARFLAGS) $@ $^
 176
 177 ifeq ($(DOPIC),y)
 178 $(top_builddir)lib/$(LIB_NAME).a: $($(LIB_NAME)_OUT)/$(LIB_NAME)_m.os $($(LIB_NAME)-nomulti-y:.o=.os) $($(LIB_NAME)-static-y:.o=.os)
 179 else
 180 $(top_builddir)lib/$(LIB_NAME).a: $($(LIB_NAME)_OUT)/$(LIB_NAME)_m.o $($(LIB_NAME)-nomulti-y) $($(LIB_NAME)-static-y)
 181 endif
 182         $(INSTALL) -d $(dir $@)
 183         $(RM) $@
 184         $(STRIPTOOL) -x -R .note -R .comment $^
 185         $(AR) $(ARFLAGS) $@ $^
 186
 187 else # DOMULTI
 188
 189 $($(LIB_NAME)_OUT)/$(LIB_NAME)_so.a: $($(LIB_NAME)-SHARED_OBJS)
 190         $(RM) $@
 191 ifneq ($(strip $(STRIP_FLAGS)),)
 192         $(STRIPTOOL) $(STRIP_FLAGS) $^
 193 else
 194         $(STRIPTOOL) -x -R .note -R .comment $^
 195 endif
 196         $(AR) $(ARFLAGS) $@ $^
 197
 198 ifeq ($(DOPIC),y)
 199 $(top_builddir)lib/$(LIB_NAME).a: $($(LIB_NAME)-ARCHIVE_OBJS:.o=.os)
 200 else
 201 $(top_builddir)lib/$(LIB_NAME).a: $($(LIB_NAME)-ARCHIVE_OBJS)
 202 endif
 203         $(INSTALL) -d $(dir $@)
 204         $(RM) $@
 205         $(STRIPTOOL) -x -R .note -R .comment $^
 206         $(AR) $(ARFLAGS) $@ $^
 207
 208 endif # DOMULTI
 209
 210 $(LIB_NAME)_clean:
 211         rm -f $($(LIB_NAME)_OUT)/*.{o,os,a}