defs/separated_version.mk

   1 # ******** FOR DEVELEPERS ONLY ********
   2 # Separate version.o into a shared library which varies every
   3 # revisions, in order to make the rest shareable.
   4
   5 include $(firstword $(wildcard GNUmakefile Makefile))
   6
   7 ifneq ($(filter @executable_path/%,$(DLDFLAGS)),)
   8 RUBY_VERSION_SO = $(subst ruby,ruby_version,$(LIBRUBY_SO))
   9 RUBY_VERSION_DLDFLAGS := $(patsubst @executable_path/%/$(LIBRUBY_SO),@loader_path/$(RUBY_VERSION_SO),$(DLDFLAGS)) -exported_symbol=Init_version
  10 else ifneq ($(findstring -soname,$(DLDFLAGS)),)
  11 RUBY_VERSION_SO = $(subst ruby,ruby_version,$(LIBRUBY_SO))
  12 RUBY_VERSION_DLDFLAGS := $(subst ruby,ruby_version,$(DLDFLAGS)) -Wl,-rpath-link,'$${ORIGIN}'
  13 else
  14 ERROR
  15 endif
  16
  17 ifneq ($(RUBY_VERSION_SO),)
  18
  19 version.$(OBJEXT): XCFLAGS := $(subst -fvisibility=hidden,,$(XCFLAGS))
  20
  21 MINIOBJS += version.$(OBJEXT)
  22 DLDOBJS += $(RUBY_VERSION_SO)
  23 LIBRUBYARG_SHARED := -lruby_version $(LIBRUBYARG_SHARED)
  24 $(LIBRUBY_SO): COMMONOBJS := $(filter-out version.$(OBJEXT),$(COMMONOBJS))
  25 $(LIBRUBY_A): COMMONOBJS := $(sort version.$(OBJEXT) $(COMMONOBJS))
  26
  27 $(LIBRUBY_SO): $(RUBY_VERSION_SO)
  28
  29 $(RUBY_VERSION_SO): version.$(OBJEXT)
  30         $(ECHO) linking shared-library $@
  31         $(LDSHARED) $(RUBY_VERSION_DLDFLAGS) version.$(OBJEXT) $(OUTFLAG)$@
  32         -$(Q) $(MINIRUBY) -e 'ARGV.each{|link|' \
  33                 -e   'File.delete link rescue nil' \
  34                 -e   'File.symlink "$(RUBY_VERSION_SO)", link' \
  35                 -e '}' \
  36                 $(subst ruby,ruby_version,$(LIBRUBY_ALIASES)) || true
  37
  38 endif