liboglappth: Fix macOS 11+ libtool bug

science/liboglappth/Portfile

@@ -7,7 +7,6 @@ name                liboglappth
 version             1.0.0
 categories          science
 license             GPL-2+
-platforms           darwin
 maintainers         nomaintainer
 description         Library for the ghemical port.
 long_description    $description
@@ -20,6 +19,8 @@ checksums           rmd160  6cb835c13801fc8aac6a1fd458a64b7b880e705f \
 
 depends_lib         port:mesa port:libGLU
 
+patchfiles          dynamic_lookup-11.patch
+
 minimum_xcodeversions   {9 3.1}
 
 livecheck.type      regex

science/liboglappth/files/dynamic_lookup-11.patch

@@ -0,0 +1,25 @@
+Recognize macOS 11 and later, remove inaccurate comment, and simplify.
+https://debbugs.gnu.org/cgi/bugreport.cgi?bug=44605
+--- configure.orig	2023-07-21 00:49:39.000000000 -0500
++++ configure	2023-07-21 00:49:45.000000000 -0500
+@@ -7207,16 +7207,11 @@
+       _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
+     darwin1.*)
+       _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+-    darwin*) # darwin 5.x on
+-      # if running on 10.5 or later, the deployment target defaults
+-      # to the OS version, if on x86, and 10.4, the deployment
+-      # target defaults to 10.4. Don't you love it?
+-      case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
+-	10.0,*86*-darwin8*|10.0,*-darwin[91]*)
+-	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+-	10.[012]*)
++    darwin*)
++      case ${MACOSX_DEPLOYMENT_TARGET},$host in
++	10.[012],*|,*powerpc*-darwin[5-8]*)
+ 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
+-	10.*)
++	*)
+ 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
+       esac
+     ;;