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