[OpenSIPStack] opal error while compiling opensipstack

[<sub...@wi...>]

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Hi,
I am getting the while error while compiling opensipstack.
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/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:106:24:
speex_echo.h: No such file or directory
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:107:30:
speex_preprocess.h: No such file or directory
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx: In destructor
`
   virtual OpalEchoCanceler::~OpalEchoCanceler()':
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:158: error: `
   speex_echo_state_destroy' undeclared (first use this function)
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:158: error:
(Each
   undeclared identifier is reported only once for each function it
appears
   in.)
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:163: error: `
   speex_preprocess_state_destroy' undeclared (first use this function)
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx: In member
function `
   void OpalEchoCanceler::SetParameters(const
OpalEchoCanceler::Params&)':
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:187: error: `
   speex_echo_state_destroy' undeclared (first use this function)
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:192: error: `
   speex_preprocess_state_destroy' undeclared (first use this function)
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx: In member
function `
   virtual void OpalEchoCanceler::ReceivedPacket(RTP_DataFrame&, int)':
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:233: error: `
   speex_echo_state_init' undeclared (first use this function)
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:236: error: `
   speex_preprocess_state_init' undeclared (first use this function)
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:237: error: `
   SPEEX_PREPROCESS_SET_DENOISE' undeclared (first use this function)
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:237: error: `
   speex_preprocess_ctl' undeclared (first use this function)
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:241: error: `
   spx_int16_t' undeclared (first use this function)
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:241: error:
syntax
   error before `)' token
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:246: error: `
   spx_int32_t' undeclared (first use this function)
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:249: error:
syntax
   error before `)' token
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:251: error:
syntax
   error before `)' token
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:257: error:
syntax
   error before `)' token
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:267: error:
syntax
   error before `)' token
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:268: error:
syntax
   error before `)' token
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:277: error:
syntax
   error before `)' token
/home/voip/opensipstack/src/opal/src/codec/echocancel.cxx:284: error:
syntax
   error before `)' token
make[3]: *** [/home/voip/opensipstack/lib/obj_linux_x86_r/echocancel.o]
Error 1
make[3]: Leaving directory `/home/voip/opensipstack/src'
make[2]: ***
[/home/voip/opensipstack/lib/libopensipstack_linux_x86_r_s.a] Error 2
make[2]: Leaving directory `/home/voip/opensbc'
make[1]: *** [optnoshared] Error 2
make[1]: Leaving directory `/home/voip/opensbc'
make: *** [bothnoshared] Error 2

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I have opal 2.2.8 and pwlib1.10.7 and gcc34 on a Fedora machine with
kernel version 2.6.5
Kindly help me in this regard.
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Regards,
Subha,
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