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libical / vzic

A program to convert the IANA (formerly Olson) timezone database files into VTIMEZONE files compatible with the iCalendar (RFC5445) and TZDIST (RFC7808) specifications
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Incompatibility with tzdata2019b #6

Closed minichma closed 5 years ago

minichma commented 5 years ago

When building zoneinfo from tzdata2019b, the build fails with message Day overflow: 0:

root@59b14b244186:/mnt/vzic# make -B
make: Warning: File 'Makefile' has modification time 38 s in the future
cc -g -DOLSON_DIR=\"tzdata2019a\" -DPRODUCT_ID='"-//citadel.org//NONSGML Citadel calendar//EN"' -DTZID_PREFIX='"/citadel.org/%D_1/"' `pkg-config --cflags glib-2.0` -I/usr/local/include/libical -L/usr/local/lib64   -c -o vzic.o vzic.c
cc -g -DOLSON_DIR=\"tzdata2019a\" -DPRODUCT_ID='"-//citadel.org//NONSGML Citadel calendar//EN"' -DTZID_PREFIX='"/citadel.org/%D_1/"' `pkg-config --cflags glib-2.0` -I/usr/local/include/libical -L/usr/local/lib64   -c -o vzic-parse.o vzic-parse.c
cc -g -DOLSON_DIR=\"tzdata2019a\" -DPRODUCT_ID='"-//citadel.org//NONSGML Citadel calendar//EN"' -DTZID_PREFIX='"/citadel.org/%D_1/"' `pkg-config --cflags glib-2.0` -I/usr/local/include/libical -L/usr/local/lib64   -c -o vzic-dump.o vzic-dump.c
cc -g -DOLSON_DIR=\"tzdata2019a\" -DPRODUCT_ID='"-//citadel.org//NONSGML Citadel calendar//EN"' -DTZID_PREFIX='"/citadel.org/%D_1/"' `pkg-config --cflags glib-2.0` -I/usr/local/include/libical -L/usr/local/lib64   -c -o vzic-output.o vzic-output.c
cc vzic.o vzic-parse.o vzic-dump.o vzic-output.o `pkg-config --libs glib-2.0` -o vzic
make: warning:  Clock skew detected.  Your build may be incomplete.
root@59b14b244186:/mnt/vzic# ./vzic
WARNING: Asia/Shanghai: Modifying RRULE to be compatible with Outlook (day >= 11, month = 4)
ERROR: Asia/Shanghai: Couldn't modify RRULE to be compatible with Outlook (day >= 11, month = 4)
 ===> FAILING BACK TO PURE MODE THEN
WARNING: Asia/Shanghai: Modifying RRULE to be compatible with Outlook (day >= 11, month = 9)
ERROR: Asia/Shanghai: Couldn't modify RRULE to be compatible with Outlook (day >= 11, month = 9)
 ===> FAILING BACK TO PURE MODE THEN
Skipping DAYLIGHT change
WARNING: Asia/Tehran: Outputting BYDAY=3SU instead of BYMONTHDAY=15-21 for Outlook compatability
WARNING: Asia/Tehran: Outputting BYDAY=3SU instead of BYMONTHDAY=15-21 for Outlook compatability
WARNING: Asia/Baghdad: Outputting BYDAY=1SU instead of BYMONTHDAY=1-7 for Outlook compatability
WARNING: Asia/Baghdad: Outputting BYDAY=1SU instead of BYMONTHDAY=1-7 for Outlook compatability
WARNING: Asia/Baghdad: Outputting BYDAY=1SU instead of BYMONTHDAY=1-7 for Outlook compatability
Skipping DAYLIGHT change
WARNING: Asia/Baghdad: Outputting BYDAY=1SU instead of BYMONTHDAY=1-7 for Outlook compatability
Skipping DAYLIGHT change
Day overflow: 0

With tzdata2019a everything works as expected.

ksmurchison commented 5 years ago

Should be fixed by https://github.com/libical/vzic/commit/c3c4c9cb1e73e5924db8696148dae8be3b54b44c