Content of RPM leptonica-devel-1.72-2.el7.x86_64.rpm :
/usr/include/leptonica
/usr/include/leptonica/allheaders.h
/usr/include/leptonica/alltypes.h
/usr/include/leptonica/array.h
/usr/include/leptonica/arrayaccess.h
/usr/include/leptonica/bbuffer.h
/usr/include/leptonica/bilateral.h
/usr/include/leptonica/bmf.h
/usr/include/leptonica/bmfdata.h
/usr/include/leptonica/bmp.h
/usr/include/leptonica/ccbord.h
/usr/include/leptonica/dewarp.h
/usr/include/leptonica/endianness.h
/usr/include/leptonica/environ.h
/usr/include/leptonica/gplot.h
/usr/include/leptonica/heap.h
/usr/include/leptonica/imageio.h
/usr/include/leptonica/jbclass.h
/usr/include/leptonica/leptwin.h
/usr/include/leptonica/list.h
/usr/include/leptonica/morph.h
/usr/include/leptonica/pix.h
/usr/include/leptonica/ptra.h
/usr/include/leptonica/queue.h
/usr/include/leptonica/readbarcode.h
/usr/include/leptonica/recog.h
/usr/include/leptonica/regutils.h
/usr/include/leptonica/stack.h
/usr/include/leptonica/stringcode.h
/usr/include/leptonica/sudoku.h
/usr/include/leptonica/watershed.h
/usr/lib64/liblept.so
/usr/lib64/pkgconfig/lept.pc