Update: Running ./configure is all one needs. GMP builds fine on the Mac and sets MPN_PATH properly. The custom configure-gpm.sh script isn't necessary.

Update: Ditto for MPFR. Running ./configure --with-gmp=/usr/local is all one needs. Please forget the custom configure-mpfr.sh script.

Update: It requires sudo to install the libraries under /usr/local.

Hello danaj and like Discipulus am astonished too.

This post describes how I build the GMP and MPFR libraries on my Mac (Haswell architecture), beneficial for ntheory. I have found that setting MPN_PATH is helpful. The -march=core2 -mtune=intel compiler options enable extra performance as well, particularly -mtune=intel.

On my CentOS 7.3 VM, I just run sudo yum install gmp-devel mpfr-devel before installing Math::Prime::Util.

GMP

Below, "configure-gmp.sh" to configure the GMP library. Remove the architecture(s) not supported by your processor (MPN_64). Otherwise, make check will fail.

PREFIX="/usr/local"

OPT_FLAGS="-O3 -march=core2 -mtune=intel -fomit-frame-pointer"
OS_ARCH="`uname -m`" OS_REV="`uname -r | cut -d. -f1`"
TRIPLE="${OS_ARCH}-apple-darwin${OS_REV}"

export CXXFLAGS="${OPT_FLAGS} -pipe -Wall -fno-common -DPIC"
export CFLAGS="${OPT_FLAGS} -pipe -Wall -fno-common -DPIC"
export LDFLAGS="-Wl,-no_pie"
export CXX=g++
export CC=gcc

# MPN_64="x86_64/coreibwl x86_64/coreihwl x86_64/coreisbr x86_64/corei
+nhm x86_64/fastsse x86_64/core2 x86_64 generic"

MPN_64="x86_64/coreihwl x86_64/coreisbr x86_64/coreinhm x86_64/fastsse
+ x86_64/core2 x86_64 generic"

# Replace two options with --disable-static --enable-shared for shared
+ libraries

MPN_PATH="${MPN_64}" \
./configure \
   --build="${TRIPLE}" --prefix="${PREFIX}" --disable-shared --enable-
+static \
   --enable-cxx --enable-assembly --enable-fft

[download]

Build instructions.

cd gmp-6.1.2
sh /path/to/configure-gmp.sh

make -j 4
make check    # <-- important, do not skip

sudo make install-strip

[download]

MPFR

Below, "configure-mpfr.sh" to configure the MPFR library.

PREFIX="/usr/local"

OPT_FLAGS="-O3 -march=core2 -mtune=intel -fomit-frame-pointer"
OS_ARCH="`uname -m`" OS_REV="`uname -r | cut -d. -f1`"
TRIPLE="${OS_ARCH}-apple-darwin${OS_REV}"

export CXXFLAGS="${OPT_FLAGS} -pipe -Wall -fno-common -DPIC"
export CFLAGS="${OPT_FLAGS} -pipe -Wall -fno-common -DPIC"
export LDFLAGS="-Wl,-no_pie"
export CXX=g++
export CC=gcc

# Replace two options with --disable-static --enable-shared for shared
+ libraries

./configure \
   --build="${TRIPLE}" --prefix="${PREFIX}" --disable-shared --enable-
+static \
   --disable-dependency-tracking --disable-assert --enable-thread-safe
+ \
   --with-gmp="${PREFIX}"

[download]

Build instructions. Download mpfr-3.1.2 and allpatches (important).

cd mpfr-3.1.2
patch -N -Z -p1 < /path/to/allpatches.txt
sh /path/to/configure-mpfr.sh

make -j 4
make check    # <-- important, do not skip

sudo make install-strip

[download]

Math::Prime::Util

Now that the two libraries are installed, (re)install Math::Prime::Util using your favorite method. It will pick dependencies such as Math::Prime::Util::GMP and Math::BigInt::GMP. Without GMP/MPFR, it takes 14 seconds to compute Pi to 50,000 digits. With GMP/MPFR, it takes 1.5 seconds to compute Pi to 1 million digits.

$ time /opt/perl-5.26.1/bin/perl -Mntheory=:all -E 'say Pi(1e6)' | wc 
+-c
 1000002

real  0m1.428s
user  0m1.408s
sys   0m0.017s

[download]

No matter the Unix OS, ensure the GMP and MPFR development libraries are installed before installing Math::Prime::Util. Most OS vendors have packages already made.

Regards, Mario

In reply to Re^2: porting C code to Perl by marioroy
in thread porting C code to Perl by Discipulus

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