--- a/platforms/unix/config/bin.squeak.sh.in
+++ b/platforms/unix/config/bin.squeak.sh.in
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Run the VM, setting SQUEAK_PLUGINS if unset to the VM's containing directory
 # if unset, and ensuring LD_LIBRARY_PATH includes the VM's containing directory.
-BIN=`/usr/bin/dirname "$0"`/../@expanded_relative_imgdir@
+BIN=`dirname "$0"`/../@expanded_relative_imgdir@
 GDB=
 if [ "${SQUEAK_PLUGINS-unset}" = unset ]; then
        export SQUEAK_PLUGINS="$BIN"
@@ -26,7 +26,7 @@ fi
 # libc (e.g. through the FFI) then it must use the same version that the VM uses
 # and so it should take precedence over /lib libc.  This is done by setting
 # LD_LIBRARY_PATH appropriately, based on ldd's idea of the libc use by the VM.
-LIBC_SO="`/usr/bin/ldd "$BIN/squeak" | /bin/fgrep /libc. | sed 's/^.*=> \([^ ]*\).*/\1/'`"
+LIBC_SO="`@glibc@/bin/ldd "$BIN/squeak" | @gnugrep@/bin/fgrep /libc. | sed 's/^.*=> \([^ ]*\).*/\1/'`"
 PLATFORMLIBDIR=`expr "$LIBC_SO" : '\(.*\)/libc.*'`
 
 if [ "$PLATFORMLIBDIR" = "" ]; then
--- a/platforms/unix/config/squeak.sh.in
+++ b/platforms/unix/config/squeak.sh.in
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Run the VM, setting SQUEAK_PLUGINS if unset to the VM's containing directory
 # if unset, and ensuring LD_LIBRARY_PATH includes the VM's containing directory.
-BIN=`/usr/bin/dirname "$0"`/@expanded_relative_imgdir@
+BIN=`dirname "$0"`/@expanded_relative_imgdir@
 GDB=
 if [ "${SQUEAK_PLUGINS-unset}" = unset ]; then
        export SQUEAK_PLUGINS="$BIN"
@@ -26,7 +26,7 @@ fi
 # libc (e.g. through the FFI) then it must use the same version that the VM uses
 # and so it should take precedence over /lib libc.  This is done by setting
 # LD_LIBRARY_PATH appropriately, based on ldd's idea of the libc use by the VM.
-LIBC_SO="`/usr/bin/ldd "$BIN/squeak" | /bin/fgrep /libc. | sed 's/^.*=> \([^ ]*\).*/\1/'`"
+LIBC_SO="`@glibc@/bin/ldd "$BIN/squeak" | @gnugrep@/bin/fgrep /libc. | sed 's/^.*=> \([^ ]*\).*/\1/'`"
 PLATFORMLIBDIR=`expr "$LIBC_SO" : '\(.*\)/libc.*'`
 
 if [ "$PLATFORMLIBDIR" = "" ]; then