diff -u cfitsio/configure cfitsio-new/configure
--- cfitsio/configure	2005-07-28 17:26:13.000000000 -0400
+++ cfitsio-new/configure	2005-11-13 14:36:39.000000000 -0500
@@ -1251,7 +1251,8 @@
     SHLIB_SUFFIX=".sl"
     ;;
   lnx)
-    SHLIB_LD=":"
+    SHLIB_LD="cc -shared -Wl,-soname,libcfitsio.so.0"
+    SHLIB_SUFFIX=".so.0"
     ;;
   osf)
     SHLIB_LD="ld -shared -expect_unresolved '*'"
@@ -1271,7 +1272,7 @@
 # Darwin uses gcc (=cc), but needs different flags (see above)
 # if test "x$GCC" = xyes; then
 if test "x$GCC" = xyes && test "x$EXT" != xdarwin && test "x$EXT" != xcygwin; then
-  SHLIB_LD="$CC -shared"
+  SHLIB_LD="cc -shared -Wl,-soname,libcfitsio.so.0"
   lhea_shlib_cflags='-fPIC'
 fi
 if test "x$lhea_shlib_cflags" != x; then
diff -u old/Makefile.in new/Makefile.in
--- old/Makefile.in	2006-10-12 17:14:41.000000000 -0400
+++ new/Makefile.in	2006-12-05 16:36:24.000000000 -0500
@@ -21,8 +21,8 @@
 prefix		= @prefix@
 exec_prefix	= @exec_prefix@
 CFITSIO_PREFIX	= $(prefix)
-CFITSIO_LIB	= $(exec_prefix)/lib
-CFITSIO_INCLUDE	= $(prefix)/include
+CFITSIO_LIB    = $(exec_prefix)/$(LIBDIR)
+CFITSIO_INCLUDE        = $(prefix)/$(INCLUDEDIR)
 INSTALL_DIRS	= @INSTALL_ROOT@ ${CFITSIO_LIB} ${CFITSIO_LIB}/pkgconfig ${CFITSIO_INCLUDE}