diff -ur cfitsio/configure cfitsio-fixed/configure

--- cfitsio/configure	2012-04-13 21:16:16.000000000 +0200

+++ cfitsio-fixed/configure	2012-04-24 13:54:49.295113574 +0200

@@ -3908,7 +3908,8 @@

     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 '*'"

@@ -3929,7 +3930,7 @@

 # 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 -ur cfitsio/Makefile.in cfitsio-fixed/Makefile.in

--- cfitsio/Makefile.in	2012-04-13 21:16:08.000000000 +0200

+++ cfitsio-fixed/Makefile.in	2012-04-24 13:55:38.543470352 +0200

@@ -87,7 +87,7 @@

 shared: libcfitsio${SHLIB_SUFFIX}

 libcfitsio${SHLIB_SUFFIX}: ${OBJECTS}

-		${SHLIB_LD} ${LDFLAGS} -o $@ ${OBJECTS}

+		${SHLIB_LD} ${LDFLAGS} -o $@ ${OBJECTS} -lpthread -lm

 install:	libcfitsio.a $(INSTALL_DIRS)

 		@if [ -f libcfitsio.a ]; then \