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| -rw-r--r-- | README | 24 |
1 files changed, 4 insertions, 20 deletions
@@ -12,26 +12,10 @@ warranty. Licensing terms of embedded software ==================================== -Some additional software with additional licensing terms is embedded -within the qpdf source distribution in "external-libs". This software -is not actually used by the qpdf build unless the ---enable-build-external-libs option is passed to ./configure. These -packages have their own licensing terms, both of which are compatible -with qpdf's license. - -Zlib's license can be read in external-libs/zlib/zlib.h - -PCRE's licensing terms can be found in external-libs/pcre/LICENSE. -PCRE's licensing terms require that we include the following -information: - - Regular expression support is provided by the PCRE library package, - which is open source software, written by Philip Hazel, and - copyright by the University of Cambridge, England. - -The sources to PCRE can be independently obtained from - - ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/ +QPDF makes use of zlib and pcre for its functionality. These packages +can be downloaded separately from their own download locations, or +they can be downloaded in the external-libs area of the qpdf download +site. The Rijndael encryption implementation used as the basis for AES encryption and decryption support comes from Philip J. Erdelsky's |