Checking if your kit is complete... Looks good Writing Makefile for Text::Tokenizer cp Tokenizer.pm blib/lib/Text/Tokenizer.pm AutoSplitting blib/lib/Text/Tokenizer.pm (blib/lib/auto/Text/Tokenizer) /home/cpanrun/build/5.6.1/bin/perl -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi -I/home/cpanrun/build/5.6.1/lib/5.6.1 /home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/xsubpp -typemap /home/cpanrun/build/5.6.1/lib/5.6.1/ExtUtils/typemap Tokenizer.xs > Tokenizer.xsc && mv Tokenizer.xsc Tokenizer.c gcc -c -I. -DUSE_REENTRANT_API -D_GNU_SOURCE -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DVERSION=\"0.4.0\" -DXS_VERSION=\"0.4.0\" -fpic -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi/CORE -DHAVE_CONFIG_H -DHAVE_CALLBACK_BUFFER Tokenizer.c In file included from Tokenizer.xs:63: const-c.inc:57: warning: `#ifdef' with no argument In file included from Tokenizer.xs:63: const-c.inc: In function `constant': const-c.inc:56: empty character constant const-c.inc:104: parse error before `tok_retval' make: *** [Tokenizer.o] Error 1