tcsh: fix Unicode handling behavior

shells/tcsh/Portfile

@@ -6,7 +6,7 @@ PortGroup           github 1.0
 github.setup        tcsh-org tcsh 6_24_16 TCSH
 github.tarball_from archive
 version             [string map {_ .} ${github.version}]
-revision            0
+revision            1
 categories          shells
 license             BSD
 maintainers         nomaintainer
@@ -24,6 +24,13 @@ checksums           rmd160  f69b44e9a96be4e771e7adb76314e623d2e39d1c \
                     sha256  aa8b6eeca8b93db659a7ebf421a7089b3f7f8457deba34170cd146b92fe60546 \
                     size    959417
 
+# https://github.com/tcsh-org/tcsh/issues/117
+# https://github.com/tcsh-org/tcsh/issues/121
+# Version 6.24.14 and newer contain a regression that prevents tcsh
+# from seeing paths and files containing emoji
+# Remove this patch only if it is fixed in the upstream
+patchfiles-append   fix-unicode-handling-behavior.patch
+
 destroot.target     install install.man
 depends_lib         port:libiconv \
                     port:ncurses

shells/tcsh/files/fix-unicode-handling-behavior.patch

@@ -0,0 +1,11 @@
+--- config_f.h
++++ config_f.h
+@@ -64,7 +64,7 @@
+  */
+ #if defined (SHORT_STRINGS) && defined (NLS) && !defined (WINNT_NATIVE) && !defined(_OSD_POSIX) && SIZEOF_WCHAR_T > 1
+ # define WIDE_STRINGS
+-# if SIZEOF_WCHAR_T <= 4
++# if SIZEOF_WCHAR_T < 4
+ #  define UTF16_STRINGS
+ # endif
+ #endif