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Date:	Wed, 23 Jan 2008 15:17:32 +1300
From:	Mark Hadfield <m DOT hadfield AT niwa DOT co DOT nz>
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To:	Cygwin Mailing List <cygwin AT cygwin DOT com>
Subject:	HDF5 and timezone
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Building HDF5 (either the recently released RC1 or the previous beta 5)
under Cygwin fails with

gcc -DHAVE_CONFIG_H -I. -DNDEBUG -UH5_DEBUG_API -std=c99 -pedantic -Wall 
-Wextra -Wundef -Wshadow -Wpointer-arith -Wbad-function-cast -Wcast-qual 
-Wcast-align -Wwrite-strings -Wconversion -Wsign-compare 
-Waggregate-return -Wstrict-prototypes -Wmissing-prototypes 
-Wmissing-declarations -Wredundant-decls -Wnested-externs -Winline 
-Wno-long-long -Wfloat-equal -Wmissing-format-attribute 
-Wmissing-noreturn -Wpacked -Wdisabled-optimization -Wmultichar 
-Wendif-labels -Wdeclaration-after-statement -Wold-style-definition 
-Winvalid-pch -O -fomit-frame-pointer -finline-functions -MT H5Omtime.lo 
-MD -MP -MF .deps/H5Omtime.Tpo -c H5Omtime.c -o H5Omtime.o
H5Omtime.c: In function `H5O_mtime_decode':
H5Omtime.c:194: warning: implicit declaration of function `tzset'
H5Omtime.c:194: warning: nested extern declaration of `tzset'
H5Omtime.c:230: error: `timezone' undeclared (first use in this function)
H5Omtime.c:230: error: (Each undeclared identifier is reported only once
H5Omtime.c:230: error: for each function it appears in.)

Back on 27 November 2007 I built beta 5 with no problems.

Is this likely to be related to the new Cygwin versions released in 
December? I can see some discussion of timezone and tzset on the list 
archives in the last couple of months, but don't know whether they 
relate to my problem.

I generally keep my Cygwin installation up to data and right now I have

$ cygcheck -c cygwin

Cygwin Package Information
Package              Version        Status
cygwin               1.5.25-7       OK



-- 
Mark Hadfield          "Ka puwaha te tai nei, Hoea tahi tatou"
m DOT hadfield AT niwa DOT co DOT nz
National Institute for Water and Atmospheric Research (NIWA)




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