diff -Naur cfitsio/configure cfitsio.ldflags/configure

--- cfitsio/configure	2018-05-09 21:16:00.000000000 +0200

+++ cfitsio.ldflags/configure	2018-05-23 17:17:18.452431657 +0200

@@ -4215,8 +4215,8 @@

 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'

 ac_compiler_gnu=$ac_cv_c_compiler_gnu

-LDFLAGS="$CFLAGS"

-LDFLAGS_BIN="$LDFLAGS"

+# LDFLAGS="$CFLAGS"

+LDFLAGS_BIN="$CFLAGS"

 if test "x$FC" = "xnone" ; then

   { $as_echo "$as_me:${as_lineno-$LINENO}: cfitsio: == Fortran compiler search has been overridden" >&5