67 lines
2.1 KiB
Makefile
67 lines
2.1 KiB
Makefile
SYSROOT = $(EM_CACHE)/sysroot
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# Add custom sysroot to library & macro search paths.
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export LDFLAGS += -L$(SYSROOT)/lib
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export ACLOCAL_PATH := $(SYSROOT)/share/aclocal:$(ACLOCAL_PATH)
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# Common linking flags for all targets.
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export LDFLAGS += -s DYNAMIC_EXECUTION=0 -s AUTO_JS_LIBRARIES=0 -s AUTO_NATIVE_LIBRARIES=0 -s ALLOW_UNIMPLEMENTED_SYSCALLS=0
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# Common compilation & linking flags for all langs and targets.
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COMMON_FLAGS = -Os -flto
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export CFLAGS += $(COMMON_FLAGS)
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export CXXFLAGS += $(COMMON_FLAGS)
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export LDFLAGS += $(COMMON_FLAGS)
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## Main API module
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libapi.mjs: api.o $(SYSROOT)/lib/libltdl.la $(SYSROOT)/lib/libgphoto2.la
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libtool --verbose --mode=link $(LD) $(LDFLAGS) -o $@ $+ \
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--bind -s ASYNCIFY -s ALLOW_MEMORY_GROWTH \
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-dlpreopen $(SYSROOT)/lib/libgphoto2/2.5.27.1/ptp2.la \
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-dlpreopen $(SYSROOT)/lib/libgphoto2_port/0.12.0/usb1.la
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api.o: deps/libgphoto2/configure.ac
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api.o: CPPFLAGS += -Ideps/libgphoto2 -Ideps/libgphoto2/libgphoto2_port
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api.o: CXXFLAGS += -std=c++17 -fexceptions
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## Generic rules for deps
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$(SYSROOT):
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mkdir -p $(@D)
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deps/%/configure.ac:
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git submodule update --init $(@D)
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deps/%/configure: deps/%/configure.ac | $(SYSROOT)/lib/libltdl.la
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cd $(@D) && autoreconf -fiv
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deps/%/Makefile: deps/%/configure
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cd $(@D) && ./configure --prefix=$(SYSROOT) --disable-shared $(CONFIGURE_ARGS)
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## libtool
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deps/libtool/configure:
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mkdir -p deps/libtool
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curl -L https://ftpmirror.gnu.org/libtool/libtool-2.4.6.tar.gz | tar zx --strip 1 -C deps/libtool
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$(SYSROOT)/lib/libltdl.la: deps/libtool/Makefile | $(SYSROOT)
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$(MAKE) -C deps/libtool install
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## libusb
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deps/libusb/Makefile: CONFIGURE_ARGS = --host=wasm32
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$(SYSROOT)/lib/libusb-1.0.la: deps/libusb/Makefile
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$(MAKE) -C deps/libusb install
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## libgphoto2
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deps/libgphoto2/Makefile: | $(SYSROOT)/lib/libusb-1.0.la
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deps/libgphoto2/Makefile: CONFIGURE_ARGS = --host=wasm32 \
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--without-libxml-2.0 --disable-nls --disable-ptpip --disable-disk \
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--with-camlibs=ptp2
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$(SYSROOT)/lib/libgphoto2.la: deps/libgphoto2/Makefile $(SYSROOT)/lib/libusb-1.0.la $(SYSROOT)/lib/libltdl.la
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$(MAKE) -C deps/libgphoto2 install
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