[libfann] 158/242: dll stuff

[Christian Kastner]

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chrisk-guest pushed a commit to tag Version2_0_0
in repository libfann.

commit afff7b11f267b76906e33eefb3dc02c71d9970bb
Author: Steffen Nissen <lukesky at diku.dk>
Date:   Mon Jul 12 18:06:38 2004 +0000

    dll stuff
---
 src/include/fann.h | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/include/fann.h b/src/include/fann.h
index d426a7b..5c7a271 100644
--- a/src/include/fann.h
+++ b/src/include/fann.h
@@ -80,7 +80,21 @@ extern "C" {
      int FANN_API user_callback(unsigned int epochs, float error)
 */
 
-#ifdef _MSC_VER
+/*
+ The following sets the default for MSVC++ 2003 or later to use
+ the fann dll's. To use a lib or fixedfann.c, floatfann.c or doublefann.c
+ with those compilers FANN_NO_DLL has to be defined before
+ including the fann headers.
+ The default for previous MSVC compilers such as VC++ 6 is not
+ to use dll's. To use dll's FANN_USE_DLL has to be defined before
+ including the fann headers.
+*/
+#if (_MSC_VER > 1300)
+#ifndef FANN_NO_DLL
+#define FANN_USE_DLL
+#endif /* FANN_USE_LIB */
+#endif /* _MSC_VER */
+#if defined(_MSC_VER) && (defined(FANN_USE_DLL) || defined(FANN_DLL_EXPORTS))
 #ifdef FANN_DLL_EXPORTS
 #define FANN_EXTERNAL __declspec(dllexport)
 #else

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