From 2ff2732a789a14193dd4fac6b1d910ce96ac3d43 Mon Sep 17 00:00:00 2001
From: Weiyi Wang <wwylele@gmail.com>
Date: Sat, 13 Oct 2018 11:57:21 -0400
Subject: [PATCH 1/2] only redefine 64 bit file operation for MSVC
MinGW provides POSIX functions
---
src/common/file_util.cpp | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/src/common/file_util.cpp b/src/common/file_util.cpp
index 5484637879..b52492da69 100644
--- a/src/common/file_util.cpp
+++ b/src/common/file_util.cpp
@@ -15,21 +15,24 @@
#ifdef _WIN32
#include <windows.h>
// windows.h needs to be included before other windows headers
-#include <commdlg.h> // for GetSaveFileName
-#include <direct.h> // getcwd
+#include <direct.h> // getcwd
#include <io.h>
#include <shellapi.h>
#include <shlobj.h> // for SHGetFolderPath
#include <tchar.h>
#include "common/string_util.h"
-// 64 bit offsets for windows
+#ifdef _MSC_VER
+// 64 bit offsets for MSVC
#define fseeko _fseeki64
#define ftello _ftelli64
-#define atoll _atoi64
+#define fileno _fileno
+#endif
+
+// 64 bit offsets for MSVC and MinGW. MinGW also needs this for using _wstat64
#define stat _stat64
#define fstat _fstat64
-#define fileno _fileno
+
#else
#ifdef __APPLE__
#include <sys/param.h>
From d9ca6351dd82ad644b6cbdbb8184c9b90bbfa9ed Mon Sep 17 00:00:00 2001
From: Weiyi Wang <wwylele@gmail.com>
Date: Tue, 16 Oct 2018 13:23:07 -0400
Subject: [PATCH 2/2] cmake: mingw also needs _FILE_OFFSET_BITS=64
---
CMakeLists.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6021a80540..6e98b557e3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -170,7 +170,7 @@ endif()
# On modern Unixes, this is typically already the case. The lone exception is
# glibc, which may default to 32 bits. glibc allows this to be configured
# by setting _FILE_OFFSET_BITS.
-if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux" OR MINGW)
add_definitions(-D_FILE_OFFSET_BITS=64)
endif()