Hello I tried to compile the tesseract trainig tools and it gives an error like this
set_unicharset_properties.o: In function `tesseract::SetPropertiesForInputFile(std::string const&, std::string const&, std::string const&, std::string const&) [clone .constprop.33]': set_unicharset_properties.cpp:(.text+0x1c4): undefined reference to `u_isalpha_48' set_unicharset_properties.cpp:(.text+0x1da): undefined reference to `u_islower_48' set_unicharset_properties.cpp:(.text+0x1f0): undefined reference to `u_isupper_48' set_unicharset_properties.cpp:(.text+0x206): undefined reference to `u_isdigit_48' set_unicharset_properties.cpp:(.text+0x223): undefined reference to `u_ispunct_48' set_unicharset_properties.cpp:(.text+0x296): undefined reference to `uscript_getScript_48' set_unicharset_properties.cpp:(.text+0x29d): undefined reference to `uscript_getName_48' set_unicharset_properties.cpp:(.text+0x331): undefined reference to `u_toupper_48' set_unicharset_properties.cpp:(.text+0x35b): undefined reference to `u_tolower_48' set_unicharset_properties.cpp:(.text+0x44d): undefined reference to `u_charMirror_48' set_unicharset_properties.cpp:(.text+0x466): undefined reference to `u_charDirection_48' set_unicharset_properties.o: In function `icu_48::ErrorCode::~ErrorCode()': set_unicharset_properties.cpp:(.text._ZN6icu_489ErrorCodeD0Ev[_ZN6icu_489ErrorCodeD5Ev]+0x8): undefined reference to `icu_48::UMemory::operator delete(void*)' set_unicharset_properties.o: In function `tesseract::IcuErrorCode::handleFailure() const': set_unicharset_properties.cpp:(.text._ZNK9tesseract12IcuErrorCode13handleFailureEv[_ZNK9tesseract12IcuErrorCode13handleFailureEv]+0x5): undefined reference to `icu_48::ErrorCode::errorName() const' set_unicharset_properties.o: In function `tesseract::IcuErrorCode::~IcuErrorCode()': set_unicharset_properties.cpp:(.text._ZN9tesseract12IcuErrorCodeD0Ev[_ZN9tesseract12IcuErrorCodeD5Ev]+0x1b): undefined reference to `icu_48::UMemory::operator delete(void*)' ./.libs/libtesseract_training.a(normstrngs.o): In function `tesseract::IsWhitespace(int)': normstrngs.cpp:(.text+0x24b): undefined reference to `u_isUWhiteSpace_48' ./.libs/libtesseract_training.a(normstrngs.o): In function `tesseract::IsInterchangeValid(int)': normstrngs.cpp:(.text+0x483): undefined reference to `u_isISOControl_48' ./.libs/libtesseract_training.a(normstrngs.o): In function `tesseract::IsInterchangeValid7BitAscii(int)': normstrngs.cpp:(.text+0x4e3): undefined reference to `u_isISOControl_48' ./.libs/libtesseract_training.a(normstrngs.o): In function `tesseract::FullwidthToHalfwidth(int)': normstrngs.cpp:(.text+0x5dd): undefined reference to `icu_48::UnicodeString::UnicodeString(int)' normstrngs.cpp:(.text+0x5f3): undefined reference to `icu_48::UnicodeString::UnicodeString(char const*)' normstrngs.cpp:(.text+0x608): undefined reference to `icu_48::Transliterator::createInstance(icu_48::UnicodeString const&, UTransDirection, UErrorCode&)' normstrngs.cpp:(.text+0x615): undefined reference to `icu_48::UnicodeString::~UnicodeString()' normstrngs.cpp:(.text+0x61d): undefined reference to `icu_48::ErrorCode::assertSuccess() const' normstrngs.cpp:(.text+0x625): undefined reference to `icu_48::ErrorCode::reset()' normstrngs.cpp:(.text+0x69f): undefined reference to `icu_48::UnicodeString::~UnicodeString()' normstrngs.cpp:(.text+0x6e6): undefined reference to `icu_48::UnicodeString::~UnicodeString()' normstrngs.cpp:(.text+0x6ee): undefined reference to `icu_48::UnicodeString::~UnicodeString()' ./.libs/libtesseract_training.a(normstrngs.o): In function `tesseract::NormalizeChar32(int, GenericVector<int>*)': normstrngs.cpp:(.text+0x74d): undefined reference to `icu_48::Normalizer2::getInstance(char const*, char const*, UNormalization2Mode, UErrorCode&)' normstrngs.cpp:(.text+0x75a): undefined reference to `icu_48::ErrorCode::assertSuccess() const' normstrngs.cpp:(.text+0x764): undefined reference to `icu_48::ErrorCode::reset()' normstrngs.cpp:(.text+0x76f): undefined reference to `icu_48::UnicodeString::UnicodeString(int)' normstrngs.cpp:(.text+0x779): undefined reference to `icu_48::UnicodeString::UnicodeString()' normstrngs.cpp:(.text+0x799): undefined reference to `icu_48::ErrorCode::assertSuccess() const' normstrngs.cpp:(.text+0x829): undefined reference to `icu_48::UnicodeString::~UnicodeString()' normstrngs.cpp:(.text+0x831): undefined reference to `icu_48::UnicodeString::~UnicodeString()' normstrngs.cpp:(.text+0x880): undefined reference to `icu_48::UnicodeString::~UnicodeString()' normstrngs.cpp:(.text+0x888): undefined reference to `icu_48::UnicodeString::~UnicodeString()' normstrngs.cpp:(.text+0x8a7): undefined reference to `icu_48::UnicodeString::~UnicodeString()' collect2: error: ld returned 1 exit status make[1]: *** [set_unicharset_properties] Error 1 make: *** [training] Error 2 any idea how to avoid this cheers arajparaj -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. 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