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From Oscar Pernas <>
Subject ACTIVEMQ-CPP Error compiling with windows.h header included in the project
Date Tue, 25 Jan 2011 10:57:13 GMT
Hi all,

Im using ActiveMQ-CPP in a dll using windows XP. When I was trying to
compile my library (that uses activemq-cpp), I was always having  error
C2059: syntax error : 'constant' in thread.h class of decaf/lang.
I was looking for a solution and I saw that the constant was defined in

static const int MIN_PRIORITY = 1;

 #define MAX_PRIORITY 99
#define MIN_PRIORITY  1

This #define causes the compilation error. To fix that, I've set in activemq
sources the const name to (same but with underscore):

        /** The minimum priority that a thread can have. */
        static const int _MIN_PRIORITY = 1;

        /** The maximum priority that a thread can have. */
        static const int _MAX_PRIORITY = 10;

The compilation works now, I'm missunderstanding something? it is a good


Óscar Pernas Plaza.

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