Dear pjsip community members, I attempted to build pjsip under cygwin. I have firstly used ./configure-legacy, and then I trigger the "make dep && make clean && make". And then I was hitted by the below error, as shown under the P.S. portion of this email. Appreciate if anyone can shed some light on this issue. Thanks. Alex Leung. P.S. gcc -o ../bin/pjsua-i386-win32-gcc.exe \ output/pjsua-i386-win32-gcc/main.o output/pjsua-i386-win32-gcc/pjsua_app.o -L/cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjlib/lib -L/cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjlib-util/lib -L/cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjnath/lib -L/cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib -L/cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjsip/lib -L/cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/third_party/li b -lpjsua-i386-win32-gcc -lpjsip-ua-i386-win32-gcc -lpjsip-simple-i386-win32-gcc -lpjsip-i386-win32-gcc -lpjmedia-codec-i386-win32-gcc -lpjmedia-i386-win32-gcc -lpjnath-i386-win32-gcc -lpjlib-util-i386-win32-gcc -lpj-i386-win32-gcc -lwsock32 -lws2_32 -lole32 -lm -lstdc++ -lwinmm /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(gsm.o):gsm.c:(.text+0x670): undefined reference to `_gsm_create' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(gsm.o):gsm.c:(.text+0x68b): undefined reference to `_gsm_create' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(gsm.o):gsm.c:(.text+0x72c): undefined reference to `_gsm_destroy' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(gsm.o):gsm.c:(.text+0x74c): undefined reference to `_gsm_destroy' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(gsm.o):gsm.c:(.text+0xa9a): undefined reference to `_gsm_encode' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(gsm.o):gsm.c:(.text+0xb97): undefined reference to `_gsm_decode' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x11): undefined reference to `_speex_encoder_init' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x4c): undefined reference to `_speex_encoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x69): undefined reference to `_speex_encoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x8a): undefined reference to `_speex_encoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xb0): undefined reference to `_speex_encoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xcd): undefined reference to `_speex_encoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xea): more undefined references to `_speex_encoder_ctl' follow /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x114) : undefined reference to `_speex_encoder_destroy' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x20b) : undefined reference to `_speex_nb_mode' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x249) : undefined reference to `_speex_wb_mode' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x288) : undefined reference to `_speex_uwb_mode' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xafe) : undefined reference to `_speex_encoder_init' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xb24) : undefined reference to `_speex_bits_init' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xb66) : undefined reference to `_speex_encoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xb9a) : undefined reference to `_speex_encoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xbcc) : undefined reference to `_speex_encoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xbe9) : undefined reference to `_speex_encoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xc2b) : undefined reference to `_speex_encoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xc49) : undefined reference to `_speex_decoder_init' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xc77) : undefined reference to `_speex_bits_init' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xca3) : undefined reference to `_speex_decoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xcd3) : undefined reference to `_speex_decoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xd09) : undefined reference to `_speex_encoder_destroy' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xd21) : undefined reference to `_speex_bits_destroy' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xd38) : undefined reference to `_speex_decoder_destroy' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xd50) : undefined reference to `_speex_bits_destroy' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xdd2) : undefined reference to `_speex_encoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xdef) : undefined reference to `_speex_encoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0xe1f) : undefined reference to `_speex_decoder_ctl' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x1034 ): undefined reference to `_speex_bits_reset' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x1056 ): undefined reference to `_speex_encode_int' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x10a5 ): undefined reference to `_speex_bits_nbytes' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x10ee ): undefined reference to `_speex_bits_write' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x119c ): undefined reference to `_speex_bits_read_from' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x11be ): undefined reference to `_speex_decode_int' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x11d8 ): undefined reference to `_speex_bits_nbytes' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(speex_codec.o):speex_codec.c:(.text+0x12ab ): undefined reference to `_speex_decode_int' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(ilbc.o):ilbc.c:(.text+0x7a1): undefined reference to `_initEncode' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(ilbc.o):ilbc.c:(.text+0x7f7): undefined reference to `_initDecode' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(ilbc.o):ilbc.c:(.text+0xcbc): undefined reference to `_iLBC_encode' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(ilbc.o):ilbc.c:(.text+0xdf4): undefined reference to `_iLBC_decode' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-codec-i386-win32-gcc.a(ilbc.o):ilbc.c:(.text+0xf28): undefined reference to `_iLBC_decode' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x308): undefined reference to `_PaUtil_SetDebugPrintFunction' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x315): undefined reference to `_Pa_Initialize' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x34c): undefined reference to `_Pa_GetHostApiCount' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x3c4): undefined reference to `_Pa_GetDeviceCount' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x3d7): undefined reference to `_Pa_GetDeviceInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x49a): undefined reference to `_Pa_GetHostApiCount' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x4b7): undefined reference to `_Pa_GetHostApiInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x4d9): undefined reference to `_Pa_GetDeviceInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x4fe): undefined reference to `_Pa_GetDeviceCount' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x51b): undefined reference to `_Pa_GetDeviceInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x54f): undefined reference to `_Pa_GetHostApiCount' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x56c): undefined reference to `_Pa_GetHostApiInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x58e): undefined reference to `_Pa_GetDeviceInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x5b3): undefined reference to `_Pa_GetDeviceCount' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x5d0): undefined reference to `_Pa_GetDeviceInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x641): undefined reference to `_Pa_GetDeviceInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x7c4): undefined reference to `_Pa_GetHostApiInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x835): undefined reference to `_Pa_OpenStream' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x867): undefined reference to `_Pa_GetStreamInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x984): undefined reference to `_Pa_GetDeviceInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0xb11): undefined reference to `_Pa_GetHostApiInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0xb82): undefined reference to `_Pa_OpenStream' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0xbb4): undefined reference to `_Pa_GetStreamInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0xcce): undefined reference to `_Pa_GetDeviceInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0xd1a): undefined reference to `_Pa_GetDeviceInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0xeae): undefined reference to `_Pa_GetHostApiInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0xf11): undefined reference to `_Pa_GetHostApiInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0xf92): undefined reference to `_Pa_OpenStream' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x1016): undefined reference to `_Pa_OpenStream' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x1075): undefined reference to `_Pa_OpenStream' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x1092): undefined reference to `_Pa_CloseStream' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x10ca): undefined reference to `_Pa_GetStreamInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x1149): undefined reference to `_Pa_GetStreamInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x12d4): undefined reference to `_Pa_GetStreamInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x12ee): undefined reference to `_Pa_GetStreamInfo' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x1483): undefined reference to `_Pa_StartStream' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x14b1): undefined reference to `_Pa_StartStream' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x14c8): undefined reference to `_Pa_StopStream' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x15b9): undefined reference to `_Pa_StopStream' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x15e1): undefined reference to `_Pa_StopStream' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x16f1): undefined reference to `_Pa_CloseStream' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x1719): undefined reference to `_Pa_CloseStream' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(pasound.o):pasound.c:(.text+0x1780): undefined reference to `_Pa_Terminate' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(errno.o):errno.c:(.text+0x2a): undefined reference to `_Pa_GetErrorText' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(resample_resample.o):resample_resample.c:(.text+ 0x119): undefined reference to `_res_GetXOFF' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(resample_resample.o):resample_resample.c:(.text+ 0x316): undefined reference to `_res_Resample' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(resample_resample.o):resample_resample.c:(.text+ 0x384): undefined reference to `_res_SrcLinear' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(echo_common.o):echo_common.c:(.data+0x14): undefined reference to `_speex_aec_create' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(echo_common.o):echo_common.c:(.data+0x18): undefined reference to `_speex_aec_destroy' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(echo_common.o):echo_common.c:(.data+0x1c): undefined reference to `_speex_aec_playback' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(echo_common.o):echo_common.c:(.data+0x20): undefined reference to `_speex_aec_capture' /cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjmedia/lib/libp jmedia-i386-win32-gcc.a(echo_common.o):echo_common.c:(.data+0x24): undefined reference to `_speex_aec_cancel_echo' collect2: ld returned 1 exit status make[2]: *** [../bin/pjsua-i386-win32-gcc.exe] Error 1 make[2]: Leaving directory `/cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjsip-apps/buil d' make[1]: *** [pjsua] Error 2 make[1]: Leaving directory `/cygdrive/c/DOCUME~1/alexleung/MYDOCU~1/pjproject-0.8.0/pjsip-apps/buil d' make: *** [all] Error 1 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This message (including any 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