New JNI library (Now including libusbx 1.0.14) and also added 32 bit

linux lib

src/main/c/.gitignore

@@ -0,0 +1 @@
+/downloads

src/main/c/build/linux-x86.sh

@@ -12,27 +12,49 @@
 # library.
 
 set -e
-cd $(dirname $0)/..
+cd "$(dirname $0)/.."
 
-OS=linux
-ARCH=x86
-TMPDIR=$(pwd)/tmp
-DISTDIR=$(pwd)/../resources/de/ailis/usb4java/jni/${OS}-${ARCH}
+OS="linux"
+ARCH="x86"
+LIBUSBX_VERSION="1.0.14"
+LIBUSBX_ARCHIVE="libusbx-$LIBUSBX_VERSION.tar.bz2"
+TMPDIR="$(pwd)/tmp"
+DOWNLOADS="$(pwd)/downloads"
+DISTDIR="$(pwd)/../resources/de/ailis/usb4java/libusb/${OS}-${ARCH}"
 
 # Clean up
-rm -rf $TMPDIR
-rm -rf $DISTDIR
+rm -rf "$TMPDIR"
+rm -rf "$DISTDIR"
 
-# Build autoconf stuff if needed
+# Download libusbx if necessary
+mkdir -p "$DOWNLOADS"
+if [ ! -e "$DOWNLOADS/$LIBUSBX_ARCHIVE" ]
+then
+    wget -O "$DOWNLOADS/$LIBUSBX_ARCHIVE" "http://downloads.sourceforge.net/project/libusbx/releases/$LIBUSBX_VERSION/source/$LIBUSBX_ARCHIVE"
+fi
+
+# Unpack and compile libusbx
+mkdir -p "$TMPDIR"
+cd "$TMPDIR"
+tar xfj "$DOWNLOADS/$LIBUSBX_ARCHIVE"
+cd "libusbx-$LIBUSBX_VERSION"
+CFLAGS="-m32" ./configure "--prefix=$TMPDIR" --disable-shared --with-pic
+make
+make install
+
+# Build autoconf stuff of usb4java if needed
+cd "$TMPDIR/.."
 if [ ! -e configure ]
 then
     make -f Makefile.scm
 fi
 
 # Build libusb4java
-./configure --prefix=/ CFLAGS="-m32"
-make clean install-strip DESTDIR=$TMPDIR
-mkdir -p $DISTDIR
-cp -faL $TMPDIR/lib/libusb4java.so $DISTDIR/
-chmod -x $DISTDIR/libusb4java.so
+PKG_CONFIG_PATH="$TMPDIR/lib/pkgconfig" CFLAGS="-m32" ./configure --prefix=/
+make clean install-strip DESTDIR="$TMPDIR"
+mkdir -p "$DISTDIR"
+cp -faL "$TMPDIR/lib/libusb4java.so" "$DISTDIR/"
+chmod -x "$DISTDIR/libusb4java.so"
+
+# Cleanup
 rm -rf $TMPDIR

src/main/c/build/linux-x86_64.sh

@@ -1,31 +1,60 @@
 #!/bin/sh
 #
-# Builds libusb4java for 64 bit linux.
-# Must be executed on 64 bit linux machine and must have libusb-1.0-0-dev
-# installed.
+# Builds libusb4java for 32 bit linux.
+#
+# If running on 32 bit linux you just need libusb-1.0-0-dev.
+#
+# If running on 64 bit linux you need ia32-libs-dev and libc6-dev-i386
+# or gcc-multilib and libusb-1.0-0:i386 or something like that on newer 
+# systems. Depending on your multilib installation it may be required to 
+# create a manual symlink libusb.so in /lib/i386-linux-gnu or otherwise
+# compilation will fail because the compiler can't find the 32 bit
+# library.
 
 set -e
-cd $(dirname $0)/..
+cd "$(dirname $0)/.."
 
-OS=linux
-ARCH=x86_64
-TMPDIR=$(pwd)/tmp
-DISTDIR=$(pwd)/../resources/de/ailis/usb4java/libusb/${OS}-${ARCH}
+OS="linux"
+ARCH="x86_64"
+LIBUSBX_VERSION="1.0.14"
+LIBUSBX_ARCHIVE="libusbx-$LIBUSBX_VERSION.tar.bz2"
+TMPDIR="$(pwd)/tmp"
+DOWNLOADS="$(pwd)/downloads"
+DISTDIR="$(pwd)/../resources/de/ailis/usb4java/libusb/${OS}-${ARCH}"
 
 # Clean up
-rm -rf $TMPDIR
-rm -rf $DISTDIR/libusb4java.so
+rm -rf "$TMPDIR"
+rm -rf "$DISTDIR"
 
-# Build autoconf stuff if needed
+# Download libusbx if necessary
+mkdir -p "$DOWNLOADS"
+if [ ! -e "$DOWNLOADS/$LIBUSBX_ARCHIVE" ]
+then
+    wget -O "$DOWNLOADS/$LIBUSBX_ARCHIVE" "http://downloads.sourceforge.net/project/libusbx/releases/$LIBUSBX_VERSION/source/$LIBUSBX_ARCHIVE"
+fi
+
+# Unpack and compile libusbx
+mkdir -p "$TMPDIR"
+cd "$TMPDIR"
+tar xfj "$DOWNLOADS/$LIBUSBX_ARCHIVE"
+cd "libusbx-$LIBUSBX_VERSION"
+./configure "--prefix=$TMPDIR" --disable-shared --with-pic
+make
+make install
+
+# Build autoconf stuff of usb4java if needed
+cd "$TMPDIR/.."
 if [ ! -e configure ]
 then
     make -f Makefile.scm
 fi
 
 # Build libusb4java
-./configure --prefix=/ CFLAGS="-m64"
-make clean install-strip DESTDIR=$TMPDIR
-mkdir -p $DISTDIR
-cp -faL $TMPDIR/lib/libusb4java.so $DISTDIR/
-chmod -x $DISTDIR/libusb4java.so
+PKG_CONFIG_PATH="$TMPDIR/lib/pkgconfig" ./configure --prefix=/
+make clean install-strip DESTDIR="$TMPDIR"
+mkdir -p "$DISTDIR"
+cp -faL "$TMPDIR/lib/libusb4java.so" "$DISTDIR/"
+chmod -x "$DISTDIR/libusb4java.so"
+
+# Cleanup
 rm -rf $TMPDIR

src/main/c/src/Makefile.am

@@ -1,6 +1,6 @@
 lib_LTLIBRARIES = libusb4java.la
 libusb4java_la_CFLAGS = -Wall -Werror $(LIBUSB_CFLAGS)
-libusb4java_la_LIBADD = $(LIBUSB_LIBS)
+libusb4java_la_LIBADD = $(LIBUSB_LIBS) -lrt
 libusb4java_la_LDFLAGS = -version-info 1:0:0 -no-undefined
 EXTRA_DIST = *.h
 libusb4java_la_SOURCES = \

src/main/java/de/ailis/usb4java/libusb/Loader.java

@@ -191,7 +191,7 @@ public final class Loader
     private static String getExtraLibName()
     {
         final String os = getOS();
-        if (os.equals(OS_LINUX)) return "libusb-1.0." + EXT_SO;
+        if (os.equals(OS_LINUX)) return null;
         if (os.equals(OS_WINDOWS)) return "libusb0." + EXT_DLL;
         if (os.equals(OS_MACOSX)) return "libusb." + EXT_DYLIB;
         return null;