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[UDUNITS #VFS-256409]: Problems with make


> Full Name: Chad Herman
> Email Address: address@hidden
> Organization: Rutgers University
> Package Version: 1.12.9
> Operating System: Win XP SP3
> Hardware:
> Description of problem: I typed the following commands into MSYS:
> cd /home/owner/software/udunits-1.12.9/src
> export CPPFLAGS=-Df2cFortran
> export PERL=c:/strawberry/perl/bin
> export LD_YACC=c:/bison/bin
> ./configure > configure.log 2>&1
> make > make.log 2>&1
> I can make it past the configuration process. But I get the following error 
> in make:
> making `all' in directory /home/owner/software/udunits-1.12.9/src/udunits
> make[1]: Entering directory `/home/owner/software/udunits-1.12.9/src/udunits'
> make[2]: Entering directory `/home/owner/software/udunits-1.12.9/src/udunits'
> gcc -c -g -O2 -I../lib -I../port/misc -Df2cFortran udunits.c
> udunits.c: In function 'main':
> udunits.c:98: error: '_POSIX_MAX_INPUT' undeclared (first use in this 
> function)
> udunits.c:98: error: (Each undeclared identifier is reported only once
> udunits.c:98: error: for each function it appears in.)
> udunits.c:116: warning: incompatible implicit declaration of built-in 
> function 'exit'
> make[2]: *** [udunits.o] Error 1
> make[2]: Leaving directory `/home/owner/software/udunits-1.12.9/src/udunits'
> make[1]: *** [program] Error 2
> make[1]: Leaving directory `/home/owner/software/udunits-1.12.9/src/udunits'
> make: *** [udunits/all] Error 1
> I've searched the support archives and found suggestions to add "#define 
> _XOPEN_SOURCE=500" to the udunits/udunits.c source file. This issue was 
> apparently an old one because the version I'm using already has: "#ifndef 
> #  define _XOPEN_SOURCE 500
> #endif". I saw another suggestion that involved setting 
> CPPFLAGS='-Df2cFortran -D_XOPEN_SOURCE=500'. None of these worked.
> I've attached the configure and make logs (config.log, configure.log and 
> make.log). The standard output from uname -a is MINGW32_NT-5.1 
> MAIN-G0TTQLCP0C 1.0.11(0.46/3/2) 2009-07-11 17:46 i686 Msys
> I know the version I'm trying to build is deprecated, but I need it because I 
> code in F90.
> Thank you for any help you can offer.

The problem is that the UDUNITS package was designed for a POSIX environment 
and MinGW isn't quite that environment.

I see these options: 1) give up; 2) migrate your processing to a POSIX 
computer; 3) install a POSIX virtual machine (e.g., VMplayer from VMware along 
with Ubuntu -- they're both free); and 4) modify the source-code so that it 
works under MinGW.

The first step in the last option would be to define _POSIX_MAX_INPUT to be 255.

Steve Emmerson

Ticket Details
Ticket ID: VFS-256409
Department: Support UDUNITS
Priority: Normal
Status: Closed