if inline is not supported check for __inline
This preserves the exisiting behaviour if
config.h_win32vc7 was used.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0a22ac3..ed8c112 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,6 +40,9 @@
check_type_size("unsigned long long" SIZEOF_UNSIGNED_LONG_LONG)
check_c_source_compiles("inline void func(); void func() { } int main() { func(); return 0; }" HAVE_INLINE)
+if(NOT HAVE_INLINE)
+ check_c_source_compiles("__inline void func(); void func() { } int main() { func(); return 0; }" HAVE___INLINE)
+endif()
set(ENABLE_DEBUG_LOGGING OFF CACHE BOOL "Enable debug logging in all modules")
set(ERR_REPORTING_STDOUT OFF CACHE BOOL "Enable logging to stdout")
diff --git a/config_in_cmake.h b/config_in_cmake.h
index db52f0e..57e0864 100644
--- a/config_in_cmake.h
+++ b/config_in_cmake.h
@@ -103,8 +103,13 @@
/* The size of `unsigned long long', as computed by sizeof. */
@SIZEOF_UNSIGNED_LONG_LONG_CODE@
-/* Define to nothing, since the MSVC compiler doesn't support it. */
+/* Define inline to what is supported by compiler */
#cmakedefine HAVE_INLINE 1
+#cmakedefine HAVE___INLINE 1
#ifndef HAVE_INLINE
-#define inline
+ #ifdef HAVE___INLINE
+ #define inline __inline
+ #else
+ #define inline
+ #endif
#endif
