Hi I had written earlier too regarding installation problems with the regex++...sorry for not providing the complete details last time..But I am again sending the errors... The Gcc compiler which m using is gcc3.2 nd the operating system is SuSE 9.6...I think the regex++ version is 331... the following are the errors: make -fgcc.mak mkdir -p gcc mkdir -p gcc/boost_regex g++ -o gcc/boost_regex/c_regex_traits.o -c -O2 -I../../../ ../src/c_regex_traits.cpp g++ -o gcc/boost_regex/c_regex_traits_common.o -c -O2 -I../../../ ../src/c_regex_traits_common.cpp g++ -o gcc/boost_regex/cpp_regex_traits.o -c -O2 -I../../../ ../src/cpp_regex_traits.cpp g++ -o gcc/boost_regex/cregex.o -c -O2 -I../../../ ../src/cregex.cpp ../../../boost/regex/v3/regex_match.hpp: In member function `unsigned int boost::RegEx::GrepFiles(bool (*)(const char*, const boost::RegEx&), const char*, bool, unsigned int)': ../../../boost/regex/v3/regex_match.hpp:1937: Internal compiler error in expand_call, at calls.c:3049 Please submit a full bug report, with preprocessed source if appropriate. See URL:http://www.gnu.org/software/gcc/bugs.html for instructions. make: *** [gcc/boost_regex/cregex.o] Fehler 1 Thanx in advance... -Kinshuk ________________________________________________________________________ Yahoo! India Matrimony: Find your partner online. http://yahoo.shaadi.com/india-matrimony/