diff --git a/src/repo_write.c b/src/repo_write.c
index a73eebff..9e0622e3 100644
--- a/src/repo_write.c
+++ b/src/repo_write.c
@@ -188,7 +188,7 @@ write_compressed_blob(Repodata *data, void *blob, int len)
 	  write_u8(data, clen);
 	  write_blob(data, cpage, clen);
 	}
-      blob += chunk;
+      blob = (char*) blob + chunk;
       len -= chunk;
     }
 }
diff --git a/src/solvversion.c b/src/solvversion.c
index 51d57a63..608d813b 100644
--- a/src/solvversion.c
+++ b/src/solvversion.c
@@ -7,8 +7,8 @@

 #include "solvversion.h"

-const char solv_version[] = LIBSOLV_VERSION_STRING;
-int solv_version_major = LIBSOLV_VERSION_MAJOR;
-int solv_version_minor = LIBSOLV_VERSION_MINOR;
-int solv_version_patch = LIBSOLV_VERSION_PATCH;
-const char solv_toolversion[] = LIBSOLV_TOOLVERSION;
+SOLV_API const char solv_version[] = LIBSOLV_VERSION_STRING;
+SOLV_API int solv_version_major = LIBSOLV_VERSION_MAJOR;
+SOLV_API int solv_version_minor = LIBSOLV_VERSION_MINOR;
+SOLV_API int solv_version_patch = LIBSOLV_VERSION_PATCH;
+SOLV_API const char solv_toolversion[] = LIBSOLV_TOOLVERSION;
diff --git a/src/solvversion.h.in b/src/solvversion.h.in
index da0ad743..23026626 100644
--- a/src/solvversion.h.in
+++ b/src/solvversion.h.in
@@ -19,11 +19,18 @@
 #define LIBSOLV_VERSION_PATCH @LIBSOLV_PATCH@
 #define LIBSOLV_VERSION (LIBSOLV_VERSION_MAJOR * 10000 + LIBSOLV_VERSION_MINOR * 100 + LIBSOLV_VERSION_PATCH)

-extern const char solv_version[];
-extern int solv_version_major;
-extern int solv_version_minor;
-extern int solv_version_patch;
-extern const char solv_toolversion[];
+#ifdef _WIN32
+// include win32/config.h for SOLV_API
+#include "config.h"
+#else
+#define SOLV_API
+#endif
+
+SOLV_API extern const char solv_version[];
+SOLV_API extern int solv_version_major;
+SOLV_API extern int solv_version_minor;
+SOLV_API extern int solv_version_patch;
+SOLV_API extern const char solv_toolversion[];

 #cmakedefine LIBSOLV_FEATURE_LINKED_PKGS
 #cmakedefine LIBSOLV_FEATURE_COMPLEX_DEPS
diff --git a/win32/CMakeLists.txt b/win32/CMakeLists.txt
index 9a87af7b..161f0725 100644
--- a/win32/CMakeLists.txt
+++ b/win32/CMakeLists.txt
@@ -1,4 +1,5 @@
 INCLUDE_DIRECTORIES (${PROJECT_SOURCE_DIR}/win32)
+
 SET (WIN32_COMPAT_SOURCES
   ${PROJECT_SOURCE_DIR}/win32/fnmatch.c
   ${PROJECT_SOURCE_DIR}/win32/getopt.c
@@ -6,4 +7,6 @@ SET (WIN32_COMPAT_SOURCES
   ${PROJECT_SOURCE_DIR}/win32/regexec.c
   ${PROJECT_SOURCE_DIR}/win32/strfncs.c
   ${PROJECT_SOURCE_DIR}/win32/tre-mem.c
-)
\ No newline at end of file
+)
+
+INSTALL (FILES ${PROJECT_SOURCE_DIR}/win32/config.h DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/solv")
\ No newline at end of file