diff --git a/ShellB3/shallbethree.sh b/ShellB3/shallbethree.sh
index b9caea264dfabb7c8f37bb8bb7d42bb72e867e09..99654abb0867dcc2e6cc5bdb69157e8491065e1f 100755
--- a/ShellB3/shallbethree.sh
+++ b/ShellB3/shallbethree.sh
@@ -1390,7 +1390,7 @@ if isDarwin ; then
       export SB3FFLAGS="--sysroot=${SYSROOT} ${CPUFLAGS} -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}"
       export SB3CFLAGS="-isysroot ${SYSROOT} ${CPUFLAGS} -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}"
       export SB3CXXFLAGS="-isysroot ${SYSROOT} ${CPUFLAGS} -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}"
-      export SB3LDFLAGS="-isysroot ${SYSROOT} ${CPUFLAGS} -L${SYSROOT}/usr/lib/gcc/${GFORTRANPLATFORM}/${GFORTRANVERSION}/ -L${BASE}/libsys/gcc/${GFORTRANPLATFORM}/${GFORTRANVERSION}/ -headerpad_max_install_names -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}" #--sysroot=$SYSROOT"
+      export SB3LDFLAGS="-isysroot ${SYSROOT} ${CPUFLAGS} -L${SYSROOT}/usr/lib/gcc/${GFORTRANPLATFORM}/${GFORTRANVERSION}/ -L${BASE}/lib/gcc/${GFORTRANPLATFORM}/${GFORTRANVERSION}/ -headerpad_max_install_names -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}" #--sysroot=$SYSROOT"
       export SB3CPPFLAGS=" -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}" #--sysroot=$SYSROOT"
       if [ ${NATIVEDARWINVERNUMBER} -gt ${DARWINVERNUMBER} ] ; then
         export SB3LDFLAGS="${SB3LDFLAGS} -stdlib=libstdc++" #newer build systems will default to libc++. older systems don't even know this parameter
@@ -1406,7 +1406,7 @@ if isDarwin ; then
       export SB3FFLAGS="--sysroot=${SYSROOT} ${CPUFLAGS} -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}"
       export SB3CFLAGS="-isysroot ${SYSROOT} ${CPUFLAGS} -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}"
       export SB3CXXFLAGS="-isysroot ${SYSROOT} ${CPUFLAGS} -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}"
-      export SB3LDFLAGS="-isysroot ${SYSROOT} ${CPUFLAGS} -L${BASE}/libsys/gcc/${GFORTRANPLATFORM}/${GFORTRANVERSION}/ -lc++ -lc++abi -headerpad_max_install_names -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}" #--sysroot=$SYSROOT"
+      export SB3LDFLAGS="-isysroot ${SYSROOT} ${CPUFLAGS} -L${BASE}/lib/gcc/${GFORTRANPLATFORM}/${GFORTRANVERSION}/ -lc++ -lc++abi -headerpad_max_install_names -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}" #--sysroot=$SYSROOT"
       export SB3CPPFLAGS="-stdlib=libc++ -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}" #--sysroot=$SYSROOT"
       export FORBIDDENLIBS="libstdc++"
       export USE_SYS_ZLIB=YES 
@@ -1417,7 +1417,7 @@ if isDarwin ; then
       export SB3FFLAGS="--sysroot=${SYSROOT} ${CPUFLAGS} -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}"
       export SB3CFLAGS="-isysroot ${SYSROOT} ${CPUFLAGS} -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}"
       export SB3CXXFLAGS="-isysroot ${SYSROOT} ${CPUFLAGS} -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}"
-      export SB3LDFLAGS="-isysroot ${SYSROOT} ${CPUFLAGS} -L${BASE}/libsys/gcc/${GFORTRANPLATFORM}/${GFORTRANVERSION}/ -lc++ -lc++abi -headerpad_max_install_names -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}" #--sysroot=$SYSROOT"
+      export SB3LDFLAGS="-isysroot ${SYSROOT} ${CPUFLAGS} -L${BASE}/lib/gcc/${GFORTRANPLATFORM}/${GFORTRANVERSION}/ -lc++ -lc++abi -headerpad_max_install_names -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}" #--sysroot=$SYSROOT"
       export SB3CPPFLAGS="-stdlib=libc++ -mmacosx-version-min=${MACOSX_DEPLOYMENT_TARGET}" #--sysroot=$SYSROOT"
       export FORBIDDENLIBS="libstdc++"
       ;;
@@ -3075,9 +3075,9 @@ mk_cairo() {
   _find_cots ZLIB include/zlib.h $BASE $COTS_HOME ${SYSROOT}/usr || oops "cairo needs ZLIB"
   _find_cots PNG bin/libpng-config $BASE $COTS_HOME ${SYSROOT}/usr || oops 'cairo needs PNG'
   _find_cots THINEPKGCONFIG pkg-config $BASE/sysbin /usr/bin /usr/local/bin /opt/bin || mk_pkgconfig #shouldn't use /sw's. will get fink dependency
-  CAIROADDITIONALFLAGS=""
+  CAIROADDITIONALFLAGS="--enable-pthread=yes"
   isDarwin && CAIROADDITIONALFLAGS="${CAIROADDITIONALFLAGS} --enable-xlib=no --enable-quartz-image"
-  _configure_make_install cairo src/optional/cairo-${CAIROVER}.tar.* cairo-${CAIROVER} ${CAIROADDITIONALFLAGS}
+  _configure_make_install cairo src/optional/cairo-${CAIROVER}.tar.* cairo-${CAIROVER} ${CAIROADDITIONALFLAGS} 
 }
 
 mk_pycairo() {