#! /bin/sh
# This script has been known to work with iForth 6.9.35, Linux Mint 19.3,
# and gcc 7.4.0.  --dnw 03-Feb-2021

# Compile, link, and install for linux the dynamic library
# libmpfr_iforth.so from the source file in the current directory,
# libmpfr-iforth.c:

### PATHS

SOURCE=libmpfr-iforth.c
LIBNAME=libmpfr_iforth

CC=gcc
# CC=/usr/local/bin/gcc

INSTALL=install
# INSTALL=/usr/bin/install

PREFIX=/usr/local
# PREFIX=$HOME

# These directories must already exist.
INCLUDEDIR=$PREFIX/include
LIBDIR=$PREFIX/lib

### COMPILE

$CC -I. -I$INCLUDEDIR -I. \
  -O2 -fomit-frame-pointer -frounding-math -fno-common -m64 \
  -Wall -pipe -funsigned-char -Wno-char-subscripts -Wwrite-strings \
  -c $SOURCE -fPIC -DPIC -o $LIBNAME.o

### LINK

$CC -shared $LIBNAME.o -m64 -ldl -lm -L$LIBDIR -lgmp -lmpfr \
  -Wl,-soname -Wl,$LIBNAME.so -o $LIBNAME.so

### INSTALL

# cp -p $LIBNAME.so $LIBDIR
$INSTALL -p $LIBNAME.so $LIBDIR