Wrap Windows.h inclusions to support cross-compiling

include/safetyhook/thread_freezer.hpp

@@ -6,7 +6,13 @@
 #include <cstdint>
 #include <functional>
 
+#if __has_include(<Windows.h>)
 #include <Windows.h>
+#elif __has_include(<windows.h>)
+#include <windows.h>
+#else
+#error "Windows.h not found"
+#endif
 
 namespace safetyhook {
 /// @brief Executes a function while all other threads are frozen. Also allows for visiting each frozen thread and

src/allocator.cpp

@@ -3,7 +3,13 @@
 #include <limits>
 
 #define NOMINMAX
+#if __has_include(<Windows.h>)
 #include <Windows.h>
+#elif __has_include(<windows.h>)
+#include <windows.h>
+#else
+#error "Windows.h not found"
+#endif
 
 #include <safetyhook/allocator.hpp>
 

src/inline_hook.cpp

@@ -1,6 +1,12 @@
 #include <iterator>
 
+#if __has_include(<Windows.h>)
 #include <Windows.h>
+#elif __has_include(<windows.h>)
+#include <windows.h>
+#else
+#error "Windows.h not found"
+#endif
 
 #if __has_include(<Zydis/Zydis.h>)
 #include <Zydis/Zydis.h>

src/thread_freezer.cpp

@@ -1,4 +1,10 @@
+#if __has_include(<Windows.h>)
 #include <Windows.h>
+#elif __has_include(<windows.h>)
+#include <windows.h>
+#else
+#error "Windows.h not found"
+#endif
 #include <winternl.h>
 
 #include <safetyhook/thread_freezer.hpp>

src/utility.cpp

@@ -1,4 +1,10 @@
+#if __has_include(<Windows.h>)
 #include <Windows.h>
+#elif __has_include(<windows.h>)
+#include <windows.h>
+#else
+#error "Windows.h not found"
+#endif
 
 #include <safetyhook/utility.hpp>
 

src/vmt_hook.cpp

@@ -1,4 +1,10 @@
+#if __has_include(<Windows.h>)
 #include <Windows.h>
+#elif __has_include(<windows.h>)
+#include <windows.h>
+#else
+#error "Windows.h not found"
+#endif
 
 #include <safetyhook/thread_freezer.hpp>
 

tests/test4.cpp

@@ -1,4 +1,10 @@
+#if __has_include(<Windows.h>)
 #include <Windows.h>
+#elif __has_include(<windows.h>)
+#include <windows.h>
+#else
+#error "Windows.h not found"
+#endif
 
 #include <safetyhook.hpp>