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Installing
----------
We strongly recommend that people use the latest official release tarball on
https://www.tarsnap.com/scrypt.html, and build with:
./configure
make
make install
Official scrypt tarball releases should build and run on any IEEE Std 1003.1
(POSIX) compliant system which
1. Includes the Software Development Utilities option,
2. Has OpenSSL available via -lcrypto and #include <openssl/foo>, and
3. Provides /dev/urandom.
libscrypt-kdf
-------------
To install the development library, run:
./configure --enable-libscrypt-kdf
make install
Platform-specific notes
-----------------------
- when cross-compiling, runtime POSIX compatibility checks are disabled.
For more information, see libcperciva/POSIX/README.
- On OS X, the version of OpenSSL included with the operating
system is outdated (0.9.8) and deprecated, and it is recommended
that scrypt be built with an updated version of OpenSSL. On OS X
10.11 "El Capitan" and higher, OpenSSL was removed entirely. After
installing a newer version of OpenSSL, use
CPPFLAGS="-I /path/to/openssl/headers"
LDFLAGS="-L /path/to/openssl/lib"
to build scrypt.
In particular, if you installed OpenSSL using homebrew, you may
pass the relevant directories directly to ./configure:
./configure CPPFLAGS="-I/usr/local/opt/openssl/include" LDFLAGS="-L/usr/local/opt/openssl/lib"
Alternatively, you may wish to add these lines to your $HOME/.profile file:
export CPPFLAGS="-I/usr/local/opt/openssl/include $CPPFLAGS"
export LDFLAGS="-L/usr/local/opt/openssl/lib $LDFLAGS"
and then close & re-open your terminal window.
Building from git
-----------------
For experimental development from git, build with:
autoreconf -i
./configure
make
- You must have automake 1.11.2 or higher, and libtool.
- In order to support the `AX_CFLAGS_WARN_ALL` autoconf directive, you will
need to install the autoconf archive. On Debian systems, use the
`autoconf-archive` package; on FreeBSD, use `devel/autoconf-archive`.
- Ignore this message if it appears:
aclocal: warning: couldn't open directory 'm4': No such file or directory
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