build: Make time zone links into symbolic links.

1 files changed, 15 insertions, 0 deletions

diff --git a/build b/build
index b78f0b4..29f5e12 100755
--- a/build
+++ b/build
@@ -28,6 +28,21 @@ build:
 
 install: build
 	cp src/iso3166.tab src/zone.tab dest/usr/share/zoneinfo
+	(cd src && grep '^Link' $(tables)) | while read type dest src etc; do \
+		rm -f "dest/usr/share/zoneinfo/$${src}"; \
+		link="$${src}" up=''; \
+		while [ "$${link#*/}" != "$${link}" ] && \
+		      [ "$${link%%/*}" = "$${dest%%/*}" ]; do \
+			link="$${link#*/}"; \
+			dest="$${dest#*/}"; \
+		done; \
+		while [ "$${link#*/}" != "$${link}" ]; do \
+			link="$${link#*/}"; \
+			up="../$${up}"; \
+		done; \
+		ln -sf "$${up}$${dest}" \
+			"dest/usr/share/zoneinfo/$${src}"; \
+	done
 	for t in $(tables); do \
 		exec 3>../tzdata-$${t}.pkg/files; \
 		grep '^Zone' src/$${t} | while read type zone etc; do \