#################################
# $Id$
# Author:  Denis Vakatov (vakatov@ncbi.nlm.nih.gov)
#################################
#
#  C/C++ compilation rules;  plus
#  auto-dependencies build rules for GNU make
#################################

ifeq "$(NODEPGOALS)" ""

###  C/C++ compilation
include $(builddir)/Makefile.rules

ECHO = /bin/echo

@GCCPCH@GCCPCH = 1

ifdef GCCPCH
 ifneq ($(findstring $(FAST_CXXFLAGS),$(CXXFLAGS)),)
  ifneq ($(FAST_CXXFLAGS),$(ORIG_CXXFLAGS))
   is_fast = 1
  endif
 endif
 ifneq ($(findstring $(CXXFLAGS_DLL),$(CXXFLAGS_ALL)),)
  ifdef is_fast
   PCHMODE = fastdll
  else
   PCHMODE = dll
  endif
 else
  ifdef is_fast
   PCHMODE = fast
  else
   PCHMODE = normal
  endif
 endif
 FIXPCH = -e 's%\$$(wildcard \$$(includedir)/ncbi_pch\.hpp)%& $$(pchdir)/$(PCHMODE)%g'
endif

SKIP_DEP_RULES = yes
ifneq "" "$(filter all% depend, $(MAKECMDGOALS))"
  SKIP_DEP_RULES = no
else
  ifeq "" "$(MAKECMDGOALS)"
    SKIP_DEP_RULES = no
  endif
endif

ifeq "no" "$(SKIP_DEP_RULES)"
### Dependencies (GNU make only)
DEPFLAGS_ALL = $(DEPFLAGS) $(LOCAL_CPPFLAGS) $(CPPFLAGS)
D_TAIL = $(DEPFLAGS_ALL) $< $(DEPFLAGS_POST) \
	 | $(SED) -e '/^\#/b' -e 's%[^ :\\][^ :\\]*%$$(wildcard &)%g' \
	       -e 's%\$$(wildcard $(*F)@obj_ext@) *:%$*@obj_ext@ $@ :%g' \
	       -e 's%$(incdir)%$$(incdir)%g' \
	       -e 's%$(includedir)%$$(includedir)%g' \
	       -e 's%$(includedir0)%$$(includedir0)%g' \
	       -e 's% $(subst .,\.,$(srcdir))/% $$(srcdir)/%g' \
	       -e 's%$(top_srcdir)%$$(top_srcdir)%g' $(FIXPCH) > $@_ \
	  &&  test -s $@_  &&  /bin/mv -f $@_ $@
D_TAIL_PCH = -x c++-header -DNCBI_USE_PCH -DNCBI_PCH__HPP= \
	 $(DEPFLAGS_ALL) $< $(DEPFLAGS_POST) \
	 | $(SED) -e '/^\#/b' -e 's%[^ :\\][^ :\\]*%$$(wildcard &)%g' \
	       -e 's%\$$(wildcard ncbi_pch_impl@obj_ext@) *:%$$(pchdir)/$(PCHMODE) $$(builddir)/corelib/ncbi_pch_impl.d.$(PCHMODE) :%g' \
	       -e 's%$(incdir)%$$(incdir)%g' \
	       -e 's%$(includedir)%$$(includedir)%g' \
	       -e 's%$(includedir0)%$$(includedir0)%g' \
	       -e 's% $(subst .,\.,$(srcdir))/% $$(srcdir)/%g' \
	       -e 's%$(top_srcdir)%$$(top_srcdir)%g' > $@_ \
	  &&  test -s $@_  &&  /bin/mv -f $@_ $@

define make_cpp_dep
	@$(ECHO) Updating dependency information for $<.
	@$(CXX_WRAPPER) $(CXX) $(D_TAIL)  ||  \
	    (echo "FAILED COMMAND: $(CXX_WRAPPER) $(CXX) $(DEPFLAGS_ALL)" \
                  "$< $(DEPFLAGS_POST) | sed ..."; exit 1)
endef

define make_c_dep
	@$(ECHO) Updating dependency information for $<.
	@$(CC_WRAPPER) $(CC)   $(D_TAIL)  ||  \
	    (echo "FAILED COMMAND: $(CC_WRAPPER) $(CC) $(DEPFLAGS_ALL)" \
                  "$< $(DEPFLAGS_POST) | sed ..."; exit 1)
endef

ifeq "" "$(OBJ_DIRS)"
  %.d: $(HERE)%.cpp
	$(make_cpp_dep)
  %.d: $(srcdir)/%.cpp
	$(make_cpp_dep)
  %.d: $(HERE)%.cc
	$(make_cpp_dep)
  %.d: $(srcdir)/%.cc
	$(make_cpp_dep)
  %.d: $(HERE)%.c
	$(make_c_dep)
  %.d: $(srcdir)/%.c
	$(make_c_dep)
else
  CPP_DEP_HERE = $(CPP_OBJ_HERE:%@obj_ext@=%.d)
  CC_DEP_HERE  = $(CC_OBJ_HERE:%@obj_ext@=%.d)
  C_DEP_HERE   = $(C_OBJ_HERE:%@obj_ext@=%.d)
  ifneq "$(srcdir)" "."
    CPP_DEP_THERE = $(CPP_OBJ_THERE:%@obj_ext@=%.d)
    CC_DEP_THERE  = $(CC_OBJ_THERE:%@obj_ext@=%.d)
    C_DEP_THERE   = $(C_OBJ_THERE:%@obj_ext@=%.d)
  endif
  $(CPP_DEP_HERE): %.d: $(HERE)%.cpp
	$(make_cpp_dep)
  $(CPP_DEP_THERE): %.d: $(srcdir)/%.cpp $(OBJ_DIRS)
	$(make_cpp_dep)
  $(CC_DEP_HERE): %.d: $(HERE)%.cc
	$(make_cpp_dep)
  $(CC_DEP_THERE): %.d: $(srcdir)/%.cc $(OBJ_DIRS)
	$(make_cpp_dep)
  $(C_DEP_HERE): %.d: $(HERE)%.c
	$(make_c_dep)
  $(C_DEP_THERE): %.d: $(srcdir)/%.c $(OBJ_DIRS)
	$(make_c_dep)
endif

$(CPP_OBJ:%@obj_ext@=%.d): $(make_cpp_stamp)
$(C_OBJ:%@obj_ext@=%.d):   $(make_c_stamp)

$(builddir)/corelib/ncbi_pch_impl.hpp.d.$(PCHMODE): $(pchsrc)
	$(CXX_WRAPPER) $(CXX) $(D_TAIL_PCH)

depend: $(SOURCES:%=%.d)
endif

NODEPGOALS = $(ALT_GOALS)
ifneq (,$(filter-out $(NODEPGOALS),$(if $(MAKECMDGOALS),$(MAKECMDGOALS),all)))
ifdef SOURCES
 -include $(SOURCES:=.d)
endif
ifdef GCCPCH
 include $(builddir)/corelib/ncbi_pch_impl.hpp.d.$(PCHMODE)
endif
endif

endif