Index: /issm/trunk-jpl/externalpackages/gsl/install-ios.sh
===================================================================
--- /issm/trunk-jpl/externalpackages/gsl/install-ios.sh	(revision 14486)
+++ /issm/trunk-jpl/externalpackages/gsl/install-ios.sh	(revision 14486)
@@ -0,0 +1,63 @@
+#!/bin/bash
+set -eu
+
+source $ANDROID_DIR/android_aux.sh
+export DEVROOT="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/"
+export SDKROOT="$DEVROOT/SDKs/iPhoneOS6.0.sdk/"
+export CC="$DEVROOT/usr/bin/gcc -arch armv7"
+export CFLAGS="-O -arch armv7 -isysroot $SDKROOT"
+export CXXFLAGS="-O -arch armv7 -isysroot $SDKROOT"
+export CPP=$DEVROOT/usr/bin/cpp
+export CXX=$DEVROOT/usr/bin/g++
+export AR=$DEVROOT/usr/bin/ar
+export AS=$DEVROOT/usr/bin/as
+export LIBTOOL=$DEVROOT/usr/bin/libtool
+export LDFLAGS="-lstdc++ -arch armv7 -isysroot $SDKROOT"
+export STRIP=$DEVROOT/usr/bin/strip
+export RANLIB=$DEVROOT/usr/bin/ranlib
+
+
+if [[ $step == "1" || $step == "0" ]]; then
+
+    #Some cleanup
+    rm -rf src install gsl-1.15
+    mkdir src install
+
+    #Download from ISSM server
+    $ISSM_DIR/scripts/DownloadExternalPackage.py 'http://issm.jpl.nasa.gov/files/externalpackages/gsl-1.' 'gsl-1.15.tar.gz'
+
+    #Untar 
+    tar -zxvf  gsl-1.15.tar.gz
+
+    #Move gsl into src directory
+    mv gsl-1.15/* src
+    rm -rf gsl-1.15
+fi
+
+#Configure gsl
+if [[ $step == "2" || $step == "0" ]]; then
+    cd src
+
+    patch Makefile.am < ./../Makefile.am.patch
+
+    autoreconf -if
+
+    ./configure \
+		--build="i386-apple-darwin10.8.0" \
+		--host="arm-apple-darwin10" \
+	    --prefix="$ISSM_DIR/externalpackages/gsl/install"
+fi
+
+#Compile gsl
+if [[ $step == "3" || $step == "0" ]]; then
+	cd $ISSM_DIR/externalpackages/gsl/src
+
+    if [ $# -eq 0 ]; then
+	    make 
+    else
+	    make -j $j 
+    fi
+
+    make install
+fi
+