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libusb / hidapi

A Simple cross-platform library for communicating with HID devices
https://libusb.info/hidapi/
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Getting reference errors when trying to install gem on Windows #704

Closed andrewherron closed 1 month ago

andrewherron commented 1 month ago

I'm using 2.7.x right now, but I've also tried this on the latest 3.x version and getting the same results. After copying the header files to the right spot in the ruby/mingw folder, I'm getting this error during install:

compiling myhidapi.c
linking shared-object myhidapi.so
C:/Ruby27-x64/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/14.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: myhidapi.o:myhidapi.c:(.text+0xa7): undefined reference to `hid_set_nonblocking'
C:/Ruby27-x64/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/14.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: myhidapi.o:myhidapi.c:(.text+0x127): undefined reference to `hid_read_timeout'
C:/Ruby27-x64/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/14.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: myhidapi.o:myhidapi.c:(.text+0x1a8): undefined reference to `hid_read'
C:/Ruby27-x64/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/14.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: myhidapi.o:myhidapi.c:(.text+0x219): undefined reference to `hid_write'
C:/Ruby27-x64/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/14.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: myhidapi.o:myhidapi.c:(.text+0x277): undefined reference to `hid_open_path'
C:/Ruby27-x64/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/14.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: myhidapi.o:myhidapi.c:(.text+0x2c5): undefined reference to `hid_open'
C:/Ruby27-x64/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/14.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: myhidapi.o:myhidapi.c:(.text+0x35e): undefined reference to `hid_enumerate'
C:/Ruby27-x64/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/14.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: myhidapi.o:myhidapi.c:(.text+0x474): undefined reference to `hid_free_enumeration'
C:/Ruby27-x64/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/14.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: myhidapi.o:myhidapi.c:(.text+0x508): undefined reference to `hid_get_product_string'
C:/Ruby27-x64/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/14.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: myhidapi.o:myhidapi.c:(.text+0x5a8): undefined reference to `hid_get_manufacturer_string'
C:/Ruby27-x64/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/14.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: myhidapi.o:myhidapi.c:(.text+0x1): undefined reference to `hid_close'
collect2.exe: error: ld returned 1 exit status
make: *** [Makefile:263: myhidapi.so] Error 1
mcuee commented 1 month ago

This does not belong to libusb project. You may want to ask in the Ruby binding project.