#!/usr/bin/env bash
# When executed in Mingw: Produces a jbigi.dll
# When executed in Linux/FreeBSD: Produces a libjbigi.so
# When executed in OSX: Produces a libjbigi.jnilib
CC="gcc"

case `uname -sr` in
MINGW*)
	JAVA_HOME="c:/software/j2sdk1.4.2_05"
	COMPILEFLAGS="-Wall"
	INCLUDES="-I. -I../../jbigi/include -I$JAVA_HOME/include/win32/ -I$JAVA_HOME/include/"
	LINKFLAGS="-shared -Wl,--kill-at"
	LIBFILE="jbigi.dll";;
CYGWIN*)
	JAVA_HOME="c:/software/j2sdk1.4.2_05"
	COMPILEFLAGS="-Wall -mno-cygwin"
	INCLUDES="-I. -I../../jbigi/include -I$JAVA_HOME/include/win32/ -I$JAVA_HOME/include/"
	LINKFLAGS="-shared -Wl,--kill-at"
	LIBFILE="jbigi.dll";;
Darwin*)
	JAVA_HOME=$(/usr/libexec/java_home)
        COMPILEFLAGS="-fPIC -Wall"
        INCLUDES="-I. -I../../jbigi/include -I$JAVA_HOME/include"
        LINKFLAGS="-dynamiclib -framework JavaVM"
        LIBFILE="libjbigi.jnilib";;
SunOS*|OpenBSD*|NetBSD*|FreeBSD*|Linux*)
        UNIXTYPE="`uname -s | tr [A-Z] [a-z]`"
        if [ $UNIXTYPE = "sunos" ]; then
                UNIXTYPE="solaris"
        elif [ $UNIXTYPE = "freebsd" ]; then
                if [ -d /usr/local/openjdk6 ]; then
                        JAVA_HOME="/usr/local/openjdk6"
                elif [ -d /usr/local/openjdk7 ]; then
                        JAVA_HOME="/usr/local/openjdk7"
                fi
        elif [ $UNIXTYPE = "openbsd" ]; then
                if [ -d /usr/local/jdk-1.7.0 ]; then
                        JAVA_HOME="/usr/local/jdk-1.7.0"
                fi
	elif [ $UNIXTYPE = "netbsd" ]; then
		if [ -d /usr/pkg/java/openjdk7 ]; then
			JAVA_HOME="/usr/pkg/java/openjdk7"
		fi
	elif [ $UNIXTYPE = "linux" -a -e /etc/debian_version ]; then
		if [ -d /usr/lib/jvm/default-java ]; then
			JAVA_HOME="/usr/lib/jvm/default-java"
		fi
        fi
        COMPILEFLAGS="-fPIC -Wall"
        INCLUDES="-I. -I../../jbigi/include -I$JAVA_HOME/include -I$JAVA_HOME/include/${UNIXTYPE}"
        LINKFLAGS="-shared -Wl,-soname,libjbigi.so"
        LIBFILE="libjbigi.so";;
*)
	echo "Unsupported system type."
	exit 1;;
esac

if [ "$1" = "dynamic" ] ; then
	echo "Building a jbigi lib that is dynamically linked to GMP"
	LIBPATH="-L.libs"
	INCLUDELIBS="-lgmp"
else
	echo "Building a jbigi lib that is statically linked to GMP"
	STATICLIBS=".libs/libgmp.a"
fi

echo "Compiling C code..."
rm -f jbigi.o $LIBFILE
$CC -c $COMPILEFLAGS $INCLUDES ../../jbigi/src/jbigi.c || exit 1
$CC $LINKFLAGS $INCLUDES $INCLUDELIBS -o $LIBFILE jbigi.o $STATICLIBS || exit 1

exit 0