Add more mentions to the MPFR on the build system and documentation

.travis.yml

@@ -5,7 +5,7 @@ compiler:
 notifications:
  email: false
 before_install:
- - BUILDOPTS="LLVM_CONFIG=llvm-config-3.2 USE_QUIET=0 USE_LIB64=0"; for lib in LLVM ZLIB SUITESPARSE ARPACK BLAS FFTW LAPACK GMP PCRE LIBUNWIND READLINE GRISU OPENLIBM RMATH LIBUV; do export BUILDOPTS="$BUILDOPTS USE_SYSTEM_$lib=1"; done
+ - BUILDOPTS="LLVM_CONFIG=llvm-config-3.2 USE_QUIET=0 USE_LIB64=0"; for lib in LLVM ZLIB SUITESPARSE ARPACK BLAS FFTW LAPACK GMP MPFR PCRE LIBUNWIND READLINE GRISU OPENLIBM RMATH LIBUV; do export BUILDOPTS="$BUILDOPTS USE_SYSTEM_$lib=1"; done
  - sudo apt-get update -qq -y
  - sudo apt-get install zlib1g-dev
  - sudo add-apt-repository ppa:staticfloat/julia-deps -y

LICENSE.md

@@ -58,6 +58,7 @@ External libraries, if used, include their own licenses:
 - [LAPACK](http:https://netlib.org/lapack/LICENSE.txt)
 - [LIBUNWIND](http:https://git.savannah.gnu.org/gitweb/?p=libunwind.git;a=blob_plain;f=LICENSE;hb=master)
 - [LLVM](http:https://llvm.org/releases/3.0/LICENSE.TXT)
+- [MPFR](http:https://www.mpfr.org/mpfr-current/mpfr.html#Copying)
 - [OPENBLAS](https://raw.github.com/xianyi/OpenBLAS/master/LICENSE)
 - [PCRE](http:https://www.pcre.org/licence.txt)
 - [READLINE](http:https://cnswww.cns.cwru.edu/php/chet/readline/rltop.html)

Make.inc

@@ -163,6 +163,7 @@ USE_SYSTEM_BLAS=0
 USE_SYSTEM_LAPACK=0
 USE_SYSTEM_FFTW=0
 USE_SYSTEM_GMP=0
+USE_SYSTEM_MPFR=0
 USE_SYSTEM_ARPACK=0
 USE_SYSTEM_SUITESPARSE=0
 USE_SYSTEM_ZLIB=0

Makefile

@@ -66,7 +66,7 @@ JL_PRIVATE_LIBS = amd arpack camd ccolamd cholmod colamd \
  fftw3 fftw3f fftw3_threads fftw3f_threads \
  gmp grisu openlibm openlibm-extras pcre \
  random Rmath spqr suitesparse_wrapper \
- umfpack z openblas
+ umfpack z openblas mpfr
 
 PREFIX ?= julia-$(JULIA_COMMIT)
 install:

README.md

@@ -152,6 +152,7 @@ Julia uses the following external libraries, which are automatically downloaded
 - **[FFTW]** — library for computing fast Fourier transforms very quickly and efficiently.
 - **[PCRE]** — Perl-compatible regular expressions library.
 - **[GMP]** — the GNU multiple precision arithmetic library, needed for bigint support.
+- **[MPFR]** — the GNU multiple precision floating point library, needed for bigfloat support.
 - **[double-conversion]** — efficient number-to-text conversion.
 - **[Rmath]** — basic RNGs and distributions.
 
@@ -179,6 +180,7 @@ Julia uses the following external libraries, which are automatically downloaded
 [FemtoLisp]: https://github.com/JeffBezanson/femtolisp
 [readline]: http:https://cnswww.cns.cwru.edu/php/chet/readline/rltop.html
 [GMP]: http:https://gmplib.org/
+[MPFR]: http:https://www.mpfr.org/
 [double-conversion]: http:https://double-conversion.googlecode.com/
 [Rmath]: http:https://cran.r-project.org/doc/manuals/R-admin.html#The-standalone-Rmath-library
 [libuv]: https://github.com/JuliaLang/libuv