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#               National Center for Biotechnology Information
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# All of this section is to provide semi-automatic detection of
# required libraries and headers. They SHOULD have been built and installed
# already before building these examples.

NCBI_VDB_LIBDIR ?= $(dir $(firstword $(shell find $(subst :, ,$(LD_LIBRARY_PATH) -maxdepth 1 -name libncbi-vdb-static.a) 2>/dev/null) ) )
NGS_LIBDIR      ?= $(dir $(firstword $(shell find $(subst :, ,$(LD_LIBRARY_PATH) -maxdepth 1 -name libngs-c++.a) 2>/dev/null) ) )

ifeq (,$(wildcard /usr/include/ncbi-vdb))
    ifeq (,$(wildcard $(NCBI_VDB_LIBDIR)/../include))

ncbi-headers:
	@ echo "NCBI_VDB headers are not found (looking for /usr/include/ncbi-vdb or $(NCBI_VDB_LIBDIR)../include)"
	@ false    

    else

CPPFLAGS += -I$(NCBI_VDB_LIBDIR)/../include
#CPPFLAGS += -g # debug
ncbi-headers:
	@ true

    endif

else

# found in /usr/include
ncbi-headers:
	@ true
endif

ifeq (,$(wildcard /usr/include/ngs))
    ifeq (,$(wildcard $(NGS_LIBDIR)/../include))

ngs-headers:
	@ echo "NGS headers are not found (looking for /usr/include/ngs or $(NGS_LIBDIR)../include)"
	@ false    

    else

CPPFLAGS += -I$(NGS_LIBDIR)/../include
ngs-headers:
	@ true

    endif

else    

# found in /usr/include
ngs-headers:
	@ true
endif

$(NCBI_VDB_LIBDIR)/libncbi-vdb-static.a:
	@ echo "These example applications require $(@F). Please install ncbi-vdb libraries and add their location to LD_LIBRARY_PATH."
	@ echo "LD_LIBRARY_PATH=$${LD_LIBRARY_PATH}"
	@ false

$(NGS_LIBDIR)/libngs-c++.a:
	@ echo "These example applications require $(@F). Please install ngs libraries and add their location to LD_LIBRARY_PATH."
	@ false

.PHONY: ncbi-headers ngs-headers