From 7ab5d36cc109d95125d927436be0b908e3c632b5 Mon Sep 17 00:00:00 2001
From: malaterre <malaterre>
Date: Tue, 7 Jun 2005 21:19:19 +0000
Subject: [PATCH] ENH: getting toward win32 support

---
 src/gdcmjpegls/Decoder/CMakeLists.txt     |  8 ++++++
 src/gdcmjpegls/Decoder/global.c           |  6 ++++-
 src/gdcmjpegls/Decoder/global.h           |  1 +
 src/gdcmjpegls/Decoder/jpegls_config.h.in | 30 +++++++++++++++++++++++
 4 files changed, 44 insertions(+), 1 deletion(-)
 create mode 100644 src/gdcmjpegls/Decoder/jpegls_config.h.in

diff --git a/src/gdcmjpegls/Decoder/CMakeLists.txt b/src/gdcmjpegls/Decoder/CMakeLists.txt
index 6a78b572..8f780915 100644
--- a/src/gdcmjpegls/Decoder/CMakeLists.txt
+++ b/src/gdcmjpegls/Decoder/CMakeLists.txt
@@ -1,5 +1,13 @@
 INCLUDE_REGULAR_EXPRESSION("^.*$")
 
+CHECK_INCLUDE_FILE("unistd.h"    HAVE_UNISTD_H)
+CONFIGURE_FILE(
+  "${GDCMJPEGLS_SOURCE_DIR}/Decoder/jpegls_config.h.in"
+  "${GDCMJPEGLS_BINARY_DIR}/Decoder/jpegls_config.h"
+  @ONLY IMMEDIATE)
+
+INCLUDE_DIRECTORIES("${GDCMJPEGLS_BINARY_DIR}/Decoder")
+
 SET(GDCMJPEGLS_SRCS
   global.c 
   jpegmark.c 
diff --git a/src/gdcmjpegls/Decoder/global.c b/src/gdcmjpegls/Decoder/global.c
index 55d1ddc7..533e0659 100644
--- a/src/gdcmjpegls/Decoder/global.c
+++ b/src/gdcmjpegls/Decoder/global.c
@@ -51,8 +51,12 @@
  */
 
 #include <time.h>
-#include <unistd.h>
 #include "global.h"
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#else
+#include <io.h>
+#endif
 
 
 
diff --git a/src/gdcmjpegls/Decoder/global.h b/src/gdcmjpegls/Decoder/global.h
index 9277ea54..e7412bd0 100644
--- a/src/gdcmjpegls/Decoder/global.h
+++ b/src/gdcmjpegls/Decoder/global.h
@@ -52,6 +52,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <assert.h>
+#include "jpegls_config.h"
 
 #ifndef GLOBAL_H
 #define GLOBAL_H
diff --git a/src/gdcmjpegls/Decoder/jpegls_config.h.in b/src/gdcmjpegls/Decoder/jpegls_config.h.in
new file mode 100644
index 00000000..159256d0
--- /dev/null
+++ b/src/gdcmjpegls/Decoder/jpegls_config.h.in
@@ -0,0 +1,30 @@
+/* Avoid problems due to multiple inclusion. */
+#ifndef JPEGPLS_CONFIG_H
+#define JPEGPLS_CONFIG_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#cmakedefine HAVE_UNISTD_H
+
+#cmakedefine JPEGLSSTATIC
+
+/* a function referenced thru EXTERNs: */
+#if defined( _WIN32 ) && defined (JPEGLSDLL)
+#define GLOBAL(type)            __declspec(dllexport) type
+#else
+#define GLOBAL(type)            type
+#endif
+
+/* a reference to a GLOBAL function: */
+#if defined(_WIN32) && !defined(JPEGLSSTATIC)
+#ifdef JPEGLSDLL
+#define EXTERN(type)            __declspec(dllexport) type
+#else
+#define EXTERN(type)            __declspec(dllimport) type
+#endif
+#else
+#define EXTERN(type)            extern type
+#endif
+
+
+#endif
+
-- 
2.48.1