build/zoneinfo2lua.pl: logic for Etc/GMT timezones

Add logic to add Etc/GMT timezones (like GMT+5)
although the zones are not included in zone.tab

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
(cherry picked from commit f8eee09f55faa375b11cf00b2f96915c92f924f4)

diff --git a/build/zoneinfo2lua.pl b/build/zoneinfo2lua.pl
index d3f04032637234b6c7f5a5635cbc675582c725ea..1a0bee1c68afb4722531538b046950c6c707e4c5 100755 (executable)
--- a/build/zoneinfo2lua.pl
+++ b/build/zoneinfo2lua.pl
@@ -46,6 +46,34 @@ while( ! eof ZTAB ) {
 
 close ZTAB;
 
+# Add Etc/GMT zones from manually as they are not in zone.tab
+$TZ{"Etc/GMT"} = "GMT0";
+$TZ{"Etc/GMT-1"} = "<+01>-1";
+$TZ{"Etc/GMT-2"} = "<+02>-2";
+$TZ{"Etc/GMT-3"} = "<+03>-3";
+$TZ{"Etc/GMT-4"} = "<+04>-4";
+$TZ{"Etc/GMT-5"} = "<+05>-5";
+$TZ{"Etc/GMT-6"} = "<+06>-6";
+$TZ{"Etc/GMT-7"} = "<+07>-7";
+$TZ{"Etc/GMT-8"} = "<+08>-8";
+$TZ{"Etc/GMT-9"} = "<+09>-9";
+$TZ{"Etc/GMT-10"} = "<+10>-10";
+$TZ{"Etc/GMT-11"} = "<+11>-11";
+$TZ{"Etc/GMT-12"} = "<+12>-12";
+$TZ{"Etc/GMT-13"} = "<+13>-13";
+$TZ{"Etc/GMT-14"} = "<+14>-14";
+$TZ{"Etc/GMT+1"} = "<-01>1";
+$TZ{"Etc/GMT+2"} = "<-02>2";
+$TZ{"Etc/GMT+3"} = "<-03>3";
+$TZ{"Etc/GMT+4"} = "<-04>4";
+$TZ{"Etc/GMT+5"} = "<-05>5";
+$TZ{"Etc/GMT+6"} = "<-06>6";
+$TZ{"Etc/GMT+7"} = "<-07>7";
+$TZ{"Etc/GMT+8"} = "<-08>8";
+$TZ{"Etc/GMT+9"} = "<-09>9";
+$TZ{"Etc/GMT+10"} = "<-10>10";
+$TZ{"Etc/GMT+11"} = "<-11>11";
+$TZ{"Etc/GMT+12"} = "<-12>12";
 
 open(O, "> $tzdout/tzdata.lua") || die "open($tzdout/tzdata.lua): $!\n";