you probably do not have development package for tiff installed (use red hat package manager for installing it).
Zdenko On Fri, Nov 17, 2017 at 3:52 AM, Tanmay Patil <[email protected]> wrote: > I am working on tesseract engine . > Used red hat linux to build both leptonica and tesseract . On running > tesseract getting following error. > > [tesseract-ocr]$ tesseract address.png out1 > Error in pixReadMemTiff: function not present > Error in pixReadMem: tiff: no pix returned > Error in pixaGenerateFontFromString: pix not made > Error in bmfCreate: font pixa not made > Tesseract Open Source OCR Engine v4.00.00alpha with Leptonica > Error in pixReadStreamPng: function not present > Error in pixReadStream: png: no pix returned > Error in pixRead: pix not read > Error during processing. > > > while searching on the net , i came to find that it is problem with > leptonica build . and it is not built properly with ltiff . In fact in > config.log which gets generated out of ./configure command . i can see > following > > configure:12538: checking for TIFFOpen in -ltiff > configure:12564: gcc -o conftest -g -O2 -Wl,-rpath -Wl,/lib64 conftest.c > -ltiff -lm > >&5 > /bin/ld: cannot find -ltiff > > However i see that libtiff is present in the system > > [ec2-user@ip-172-31-35-131 lib]$ ldconfig -p | grep libtif > libtiffxx.so.5 (libc6,x86-64) => /lib64/libtiffxx.so.5 > libtiff.so.5 (libc6,x86-64) => /lib64/libtiff.so.5 > > I tried pointing to /lib64 path , as per reference from leptonica site [ > http://www.leptonica.com/source/README.html][1] > *Finally, if you find that the installed programs are unable to link at > runtime to the installed library, which is in /usr/local/lib, try to run > configure in this way: LDFLAGS="-Wl,-rpath -Wl,/usr/local/lib" ./configure > which causes the compiler to pass those options through to the linker.* > > > changing LDFLAGS to point to /lib64 is also not working > LDFLAGS="-Wl,-rpath -Wl,/lib64" ./configure > > Any suggestions ? > > -- > You received this message because you are subscribed to the Google Groups > "tesseract-ocr" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/tesseract-ocr. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/tesseract-ocr/ca5a04e3-7524-4432-adcc-f4f1c4dea1a8% > 40googlegroups.com > <https://groups.google.com/d/msgid/tesseract-ocr/ca5a04e3-7524-4432-adcc-f4f1c4dea1a8%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/tesseract-ocr. To view this discussion on the web visit https://groups.google.com/d/msgid/tesseract-ocr/CAJbzG8zhwJVaH-k%2BPtjJERcwmaytdtqfzYe6rgfF5CcnZAecDg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
