I am on Windows using MSYS2/MinGW-w64 <https://www.msys2.org/> & I am
having trouble linking to some static libraries. The libraries in question
were libsndfile & libreadline. I have fixed many of the undefined
references, but there are still two that I am having trouble with. The
problem occurs when trying to link the *fluidsynth.exe* executable.

These are the original linker errors I was having:

...
Scanning dependencies of target libfluidsynth
[ 96%] Linking C static library libfluidsynth.a
[ 96%] Built target libfluidsynth
Scanning dependencies of target fluidsynth
[ 98%] Building C object src/CMakeFiles/fluidsynth.dir/fluidsynth.c.obj
[100%] Linking C executable fluidsynth.exe
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x478):
undefined reference to `FLAC__StreamDecoderErrorStatusString'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x504):
undefined reference to `FLAC__stream_decoder_seek_absolute'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x570):
undefined reference to `FLAC__metadata_object_delete'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x5bd):
undefined reference to `FLAC__stream_decoder_finish'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x5c7):
undefined reference to `FLAC__stream_decoder_delete'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x5d4):
undefined reference to `FLAC__stream_encoder_finish'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x5df):
undefined reference to `FLAC__stream_encoder_delete'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x8dd):
undefined reference to `FLAC__metadata_object_vorbiscomment_find_entry_from'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x11e6):
undefined reference to `FLAC__stream_encoder_delete'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x11eb):
undefined reference to `FLAC__stream_encoder_new'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x1208):
undefined reference to `FLAC__stream_encoder_set_channels'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x1221):
undefined reference to `FLAC__stream_encoder_set_sample_rate'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x1238):
undefined reference to `FLAC__stream_encoder_set_bits_per_sample'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x1252):
undefined reference to `FLAC__stream_encoder_set_compression_level'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x150f):
undefined reference to `FLAC__stream_encoder_process_interleaved'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x16bf):
undefined reference to `FLAC__stream_encoder_process_interleaved'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x182e):
undefined reference to `FLAC__stream_encoder_process_interleaved'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x196a):
undefined reference to `FLAC__stream_encoder_process_interleaved'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x1c40):
undefined reference to `FLAC__stream_decoder_get_state'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x1c70):
undefined reference to `FLAC__stream_decoder_process_single'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x1c7e):
undefined reference to `FLAC__stream_decoder_get_state'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x1c9f):
undefined reference to `FLAC__StreamDecoderStateString'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x1cd1):
undefined reference to `FLAC__StreamDecoderStateString'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x2021):
undefined reference to
`FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x2044):
undefined reference to `FLAC__metadata_object_vorbiscomment_append_comment'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x2065):
undefined reference to `FLAC__stream_encoder_set_metadata'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x209c):
undefined reference to `FLAC__stream_encoder_init_stream'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x216e):
undefined reference to `FLAC__StreamEncoderInitStatusString'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x219b):
undefined reference to `FLAC__metadata_object_new'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x240e):
undefined reference to `FLAC__stream_decoder_delete'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x2413):
undefined reference to `FLAC__stream_decoder_new'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x2425):
undefined reference to `FLAC__stream_decoder_set_metadata_respond_all'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x2473):
undefined reference to `FLAC__stream_decoder_init_stream'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x248c):
undefined reference to `FLAC__stream_decoder_process_until_end_of_metadata'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-flac.o):(.text+0x24bc):
undefined reference to `FLAC__stream_decoder_get_decode_position'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x293):
undefined reference to `vorbis_synthesis_read'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x2bb):
undefined reference to `vorbis_synthesis_pcmout'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x319):
undefined reference to `vorbis_synthesis'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x339):
undefined reference to `vorbis_synthesis_pcmout'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x381):
undefined reference to `vorbis_synthesis_read'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x502):
undefined reference to `vorbis_synthesis_blockin'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x62a):
undefined reference to `vorbis_analysis_wrote'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x648):
undefined reference to `vorbis_analysis_blockout'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x665):
undefined reference to `vorbis_analysis'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x66d):
undefined reference to `vorbis_bitrate_addblock'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x68b):
undefined reference to `vorbis_bitrate_flushpacket'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x7d1):
undefined reference to `vorbis_analysis_buffer'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x8c1):
undefined reference to `vorbis_analysis_buffer'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x9a1):
undefined reference to `vorbis_analysis_buffer'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xa91):
undefined reference to `vorbis_analysis_buffer'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xb48):
undefined reference to `vorbis_info_init'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xb6e):
undefined reference to `vorbis_encode_init_vbr'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xb9e):
undefined reference to `vorbis_comment_init'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xbc0):
undefined reference to `vorbis_comment_add_tag'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xc06):
undefined reference to `vorbis_comment_add_tag'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xc2e):
undefined reference to `vorbis_analysis_init'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xc3d):
undefined reference to `vorbis_block_init'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xc7c):
undefined reference to `vorbis_analysis_headerout'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xdd4):
undefined reference to `vorbis_block_clear'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xde0):
undefined reference to `vorbis_dsp_clear'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xdef):
undefined reference to `vorbis_comment_clear'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xdfa):
undefined reference to `vorbis_info_clear'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xe32):
undefined reference to `vorbis_analysis_wrote'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xe46):
undefined reference to `vorbis_analysis_blockout'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xe63):
undefined reference to `vorbis_analysis'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xe6b):
undefined reference to `vorbis_bitrate_addblock'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0xe89):
undefined reference to `vorbis_bitrate_flushpacket'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x136f):
undefined reference to `vorbis_block_clear'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x137e):
undefined reference to `vorbis_dsp_clear'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x138d):
undefined reference to `vorbis_comment_clear'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x139a):
undefined reference to `vorbis_info_clear'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x13a6):
undefined reference to `vorbis_info_init'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x13b2):
undefined reference to `vorbis_comment_init'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x13ca):
undefined reference to `vorbis_synthesis_headerin'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x1408):
undefined reference to `vorbis_comment_query'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x14a7):
undefined reference to `vorbis_synthesis_headerin'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x14ef):
undefined reference to `vorbis_synthesis_init'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x14ff):
undefined reference to `vorbis_block_init'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x165f):
undefined reference to `vorbis_comment_query'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x18b0):
undefined reference to `vorbis_version_string'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x1e34):
undefined reference to `vorbis_comment_clear'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x1e42):
undefined reference to `vorbis_info_clear'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x1eca):
undefined reference to `vorbis_synthesis_headerin'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x1f1a):
undefined reference to `vorbis_comment_init'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x1f2c):
undefined reference to `vorbis_info_init'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x1f7a):
undefined reference to `vorbis_comment_clear'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_vorbis.o):(.text+0x1f8c):
undefined reference to `vorbis_info_clear'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_speex.o):(.text+0x1c):
undefined reference to `speex_decoder_destroy'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_speex.o):(.text+0x24):
undefined reference to `speex_bits_destroy'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_speex.o):(.text+0x206):
undefined reference to `speex_bits_init'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_speex.o):(.text+0x40e):
undefined reference to `speex_packet_to_header'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_speex.o):(.text+0x457):
undefined reference to `speex_lib_get_mode'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_speex.o):(.text+0x47f):
undefined reference to `speex_decoder_init'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_speex.o):(.text+0x4a1):
undefined reference to `speex_decoder_ctl'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_speex.o):(.text+0x4b8):
undefined reference to `speex_decoder_ctl'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_speex.o):(.text+0x4eb):
undefined reference to `speex_decoder_ctl'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_speex.o):(.text+0x544):
undefined reference to `speex_std_stereo_request_handler'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_speex.o):(.text+0x549):
undefined reference to `speex_decoder_ctl'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib/libsndfile.a(libsndfile_la-ogg_speex.o):(.text+0x60c):
undefined reference to `speex_decoder_ctl'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(display.o):(.text+0xa59):
undefined reference to `tputs'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(display.o):(.text+0xb6a):
undefined reference to `tputs'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(display.o):(.text+0xbbd):
undefined reference to `tputs'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(display.o):(.text+0x13b4):
undefined reference to `tputs'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(display.o):(.text+0x163f):
undefined reference to `tputs'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(display.o):(.text+0x28cc):
more undefined references to `tputs' follow
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(terminal.o):(.text+0x2cf):
undefined reference to `tgetnum'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(terminal.o):(.text+0x302):
undefined reference to `tgetnum'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(terminal.o):(.text+0x717):
undefined reference to `tgetent'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(terminal.o):(.text+0x74e):
undefined reference to `tgetstr'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(terminal.o):(.text+0x7a1):
undefined reference to `tgetflag'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(terminal.o):(.text+0x7ee):
undefined reference to `tgetflag'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(terminal.o):(.text+0x845):
undefined reference to `tgetflag'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(terminal.o):(.text+0xab6):
undefined reference to `tputs'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(terminal.o):(.text+0xb52):
undefined reference to `tputs'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(terminal.o):(.text+0xbc9):
undefined reference to `tputs'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(terminal.o):(.text+0xc15):
undefined reference to `tputs'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(terminal.o):(.text+0xc58):
undefined reference to `tputs'
C:/Development/MSYS2/mingw32/bin/../lib/gcc/i686-w64-mingw32/9.1.0/../../../../lib\libreadline.a(terminal.o):(.text+0xcb6):
more undefined references to `tputs' follow
collect2.exe: error: ld returned 1 exit status
make[2]: *** [src/CMakeFiles/fluidsynth.dir/build.make:88:
src/fluidsynth.exe] Error 1
make[1]: *** [CMakeFiles/Makefile2:160: src/CMakeFiles/fluidsynth.dir/all]
Error 2
make: *** [Makefile:152: all] Error 2


I used the following patch to explicitly link to the static libraries:

--- fluidsynth-2.0.5/src/CMakeLists.txt.orig 2019-07-27 02:01:32.553613900
+0000
+++ fluidsynth-2.0.5/src/CMakeLists.txt 2019-07-27 02:32:03.444643900 +0000
@@ -319,9 +319,9 @@
     ${ALSA_LIBRARIES}
     ${PULSE_LIBRARIES}
     ${PORTAUDIO_LIBRARIES}
-    ${LIBSNDFILE_LIBRARIES}
+    ${LIBSNDFILE_STATIC_LIBRARIES}
     ${DBUS_LIBRARIES}
-    ${READLINE_LIBS}
+    ${READLINE_STATIC_LIBS}
     ${DART_LIBS}
     ${COREAUDIO_LIBS}
     ${COREMIDI_LIBS}


Now I am only getting the following two linker errors:

...
Scanning dependencies of target libfluidsynth
[ 96%] Linking C static library libfluidsynth.a
[ 96%] Built target libfluidsynth
Scanning dependencies of target fluidsynth
[ 98%] Building C object src/CMakeFiles/fluidsynth.dir/fluidsynth.c.obj
[100%] Linking C executable fluidsynth.exe
libfluidsynth.a(fluid_sys.c.obj):fluid_sys.c:(.text+0xc3f): undefined
reference to `readline'
libfluidsynth.a(fluid_sys.c.obj):fluid_sys.c:(.text+0xc89): undefined
reference to `add_history'
collect2.exe: error: ld returned 1 exit status
make[2]: *** [src/CMakeFiles/fluidsynth.dir/build.make:86:
src/fluidsynth.exe] Error 1
make[1]: *** [CMakeFiles/Makefile2:160: src/CMakeFiles/fluidsynth.dir/all]
Error 2
make: *** [Makefile:152: all] Error 2


I am not sure if there is something wrong with my readline library or this
can be fixed in fluidsynth's configuration. Building shared or static
library with -DBUILD_SHARED_LIBS=ON/OFF makes no difference.

Thank you,
- Jordan

http://antumdeluge.wordpress.com/
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