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SWIFTC = /usr/bin/swiftc
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INSTALL_NAME_TOOL = /usr/bin/install_name_tool
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SWIFTLIB = libswiftspeech.dylib
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LIBDIR = ../inst/lib
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DEVLIBDIR = ../lib
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REQUIRED_ARGS = -I /Library/Frameworks/R.framework/Headers -F/Library/Frameworks -framework R -emit-library
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# add any additional frameworks being used here
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EXTRA_FRAMEWORKS = -framework CoreML -framework NaturalLanguage
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# the main swift executable
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SWIFT_SRC = swiftspeech.swift
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# the bridging header which sets up R accessibility to Swift
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BRIDGING_HEADER = -import-objc-header swiftspeech.h
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# the package shared library (what you put in useDynLib())
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PKG_DYNLIB = swiftspeech.so
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# linker glue
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PKG_LIBS = -lswiftspeech -L../inst/lib
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SOURCES = init.c
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OBJECTS = init.o
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all: glue $(SHLIB) swiftLibrary
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glue:
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# this makes the R registration code/init.c
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Rscript -e "swiftr::add_registration_glue()"
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swiftLibrary: $(SWIFTLIB)
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# this is where the dylib will go for pkg installation
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-@if test ! -e $(LIBDIR); then mkdir -p $(LIBDIR); fi
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cp $(SWIFTLIB) $(LIBDIR)
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# this is where the dylib will go during development b/c "@loader_path"
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-@if test ! -e $(DEVLIBDIR); then mkdir -p $(DEVLIBDIR); fi
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cp $(SWIFTLIB) $(DEVLIBDIR)
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$(SWIFTLIB): $(OBJECTS)
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# compile packate "glue"
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$(SHLIB_CXXLD) -o $(SWIFTLIB) $^ $(SHLIB_CXXLDFLAGS) $(LDFLAGS) $(ALL_LIBS)
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# compile swift compoonents
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$(SWIFTC) $(REQUIRED_ARGS) $(BRIDGING_HEADER) $(EXTRA_FRAMEWORKS) $(SWIFT_SRC)
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# ensure R can find the dylib after installation
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$(INSTALL_NAME_TOOL) -change $(SWIFTLIB) @loader_path/../lib/$(SWIFTLIB) $(PKG_DYNLIB)
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clean:
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rm -Rf $(SHLIB) $(SWIFTLIB) $(OBJECTS) $(DEVLIB)/$(SWIFTLIB)
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