# -*- makefile-gmake -*-
# $Id$

ifeq "" "$(findstring /,$(MAKE))"
  ABSMAKE := $(word 1,$(wildcard $(patsubst %,%/$(MAKE),$(subst :, ,$(PATH)))))
  ifneq "" "$(ABSMAKE)" # Can fail on Cygwin for some reason
    MAKE := $(ABSMAKE)
  endif
endif

ifneq "" "$(findstring :,$(LD_LIBRARY_PATH))"
  collect_libs = $(top_srcdir)/scripts/common/impl/collect_outside_libs.sh
  ifneq "" "$(import_root)"
    ifeq "" "$(filter /%,$(import_root))"
      outside_lib_root = $(CURDIR)/$(import_root)/../lib/outside
    else
      outside_lib_root = $(import_root)/../lib/outside
    endif
  else
    ifeq "" "$(build_root)"
      build_root = $(CURDIR)/..
    endif
    outside_lib_root = $(build_root)/lib/outside
  endif
  new_llp := $(shell $(collect_libs) $(outside_lib_root))
  ifneq "" "$(new_llp)"
    ORIG_LD_LIBRARY_PATH := $(LD_LIBRARY_PATH)
    LD_LIBRARY_PATH = $(new_llp)
    export LD_LIBRARY_PATH ORIG_LD_LIBRARY_PATH
  endif
endif

ifeq "" "$(NCBI_BUILD_SESSION_ID)"
  ifeq "" "$(filter-out @%@, $(UUIDGEN))"
    UUIDGEN = uuidgen 2>/dev/null
  endif
  NCBI_BUILD_SESSION_ID := $(shell $(UUIDGEN))
  export NCBI_BUILD_SESSION_ID
  ifneq "" "$(NCBI_BUILD_SESSION_ID)"
    $(info Build session ID: $(NCBI_BUILD_SESSION_ID))
  endif
endif

# Passing MFLAGS as is can interact poorly with -jN.

MFLAGS_NR = $(filter-out - -j% --jobserver-%,$(MFLAGS)) \
            $(word 1,$(filter --jobserver-%,$(MFLAGS)))

#ifeq "" "$(filter Makefile.flat %/Makefile.flat,$(MAKEFILE_LIST))"
ifdef abs_top_srcdir
  include $(top_srcdir)/src/build-system/Makefile.meta_l
  ifneq "" "$(filter %_r %_p,$(MAKECMDGOALS))"
    include $(top_srcdir)/src/build-system/Makefile.meta_r
    ifneq "" "$(filter %_p,$(MAKECMDGOALS))"
      include $(top_srcdir)/src/build-system/Makefile.meta_p
    endif
  endif
  ifneq "" "$(filter %_f %_fd,$(MAKECMDGOALS))"
    include $(top_srcdir)/src/build-system/Makefile.meta_f
  endif
  include $(top_srcdir)/src/build-system/Makefile.requirements
else
  export NCBI_USING_FLAT_MAKEFILE = 1
  ifndef builddir
    include $(top_srcdir)/src/build-system/Makefile.flat_tuneups
  endif
  MFLAGS := $(MFLAGS_NR)
endif