HI

im trying to install Radiusplugin
but there is a problem

when i use "make" i see blow errors:

i have centos 5.6 32bit

Code:
In file included from RadiusClass/RadiusAttribute.cpp:22:
RadiusClass/RadiusAttribute.h:24:20: error: gcrypt.h: No such file or directory
RadiusClass/RadiusAttribute.cpp:29: error: expected constructor, destructor, or type conversion before ق;ق token
RadiusClass/RadiusAttribute.cpp: In member function قchar* RadiusAttribute::makePasswordHash(const char*, char*, const char*, const char*)ق:
RadiusClass/RadiusAttribute.cpp:157: error: قgcry_md_hd_tق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:157: error: expected `;' before قcontextق
RadiusClass/RadiusAttribute.cpp:164: error: قGCRYCTL_ANY_INITIALIZATION_Pق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:164: error: قgcry_controlق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:167: error: قGCRYCTL_SET_THREAD_CBSق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:167: error: قgcry_threads_pthreadق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:169: error: قgcry_check_versionق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:174: error: قGCRYCTL_DISABLE_SECMEMق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:176: error: قGCRYCTL_INITIALIZATION_FINISHEDق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:179: error: قcontextق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:179: error: قGCRY_MD_MD5ق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:179: error: قgcry_md_openق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:180: error: قgcry_md_writeق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:182: error: قgcry_md_readق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:208: error: قGCRYCTL_ANY_INITIALIZATION_Pق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:208: error: قgcry_controlق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:211: error: قGCRYCTL_SET_THREAD_CBSق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:211: error: قgcry_threads_pthreadق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:213: error: قgcry_check_versionق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:218: error: قGCRYCTL_DISABLE_SECMEMق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:219: error: قGCRYCTL_INITIALIZATION_FINISHEDق was not declared in this scope
RadiusClass/RadiusAttribute.cpp:241: error: قgcry_md_closeق was not declared in this scope
make: *** [RadiusClass/RadiusAttribute.o] Error 1