···11+diff -ruN cfitsio/configure cfitsio-curl-config/configure
22+--- cfitsio/configure 2018-05-09 21:16:00.000000000 +0200
33++++ cfitsio-curl-config/configure 2018-05-30 13:28:58.000000000 +0200
44+@@ -4783,13 +4783,6 @@
55+ CURL_LIB=""
66+ CURL_INC=""
77+ # Use curl-config to get compiler & linker flags, if available.
88+-# On Macs, prefer XCode curl-config, and reject MacPorts version
99+-# until further notice to prevent build errors:
1010+-if test "x$EXT" = xdarwin -a -x /usr/bin/curl-config; then
1111+- CURLCONFIG="/usr/bin/curl-config"
1212+- { $as_echo "$as_me:${as_lineno-$LINENO}: result: checking for curl-config... choosing /usr/bin/curl-config on Mac" >&5
1313+-$as_echo "checking for curl-config... choosing /usr/bin/curl-config on Mac" >&6; }
1414+-else
1515+ # Extract the first word of "curl-config", so it can be a program name with args.
1616+ set dummy curl-config; ac_word=$2
1717+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
1818+@@ -4833,7 +4826,6 @@
1919+ fi
2020+ fi
2121+ fi
2222+-fi
2323+ CURLCONFIG=$ac_cv_prog_CURLCONFIG
2424+ if test -n "$CURLCONFIG"; then
2525+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CURLCONFIG" >&5