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-rw-r--r--src/libs/zlib-1.2.6/Makefile.kmk6
-rw-r--r--src/libs/zlib-1.2.6/gzguts.h6
2 files changed, 12 insertions, 0 deletions
diff --git a/src/libs/zlib-1.2.6/Makefile.kmk b/src/libs/zlib-1.2.6/Makefile.kmk
index 5f86f2fb..ac1278ad 100644
--- a/src/libs/zlib-1.2.6/Makefile.kmk
+++ b/src/libs/zlib-1.2.6/Makefile.kmk
@@ -46,5 +46,11 @@ VBox-zlib-static_TEMPLATE = VBOXR3STATIC
VBox-zlib-static_DEFS = $(VBox-zlib_DEFS)
VBox-zlib-static_SOURCES = $(VBox-zlib_SOURCES)
+ifdef VBOX_WITH_32_ON_64_MAIN_API # 32-bit edition.
+ LIBRARIES += VBox-zlib-x86
+ VBox-zlib-x86_TEMPLATE = VBoxR3Dll-x86
+ VBox-zlib-x86_EXTENDS = VBox-zlib
+endif
+
include $(FILE_KBUILD_SUB_FOOTER)
diff --git a/src/libs/zlib-1.2.6/gzguts.h b/src/libs/zlib-1.2.6/gzguts.h
index 3107c363..1c41c5a1 100644
--- a/src/libs/zlib-1.2.6/gzguts.h
+++ b/src/libs/zlib-1.2.6/gzguts.h
@@ -31,6 +31,12 @@
# include <io.h>
#endif
+#ifdef VBOX /* Solves missing seek, read, open, close, write functions. */
+# ifdef _MSC_VER
+# include <io.h>
+# endif
+#endif
+
#ifdef NO_DEFLATE /* for compatibility with old definition */
# define NO_GZCOMPRESS
#endif