Fixing windows builds
diff --git a/toolchain/BUILD b/toolchain/BUILD
index 3942692..d995de5 100644
--- a/toolchain/BUILD
+++ b/toolchain/BUILD
@@ -43,7 +43,7 @@
     name = "linux-aarch_64-config",
     bit_flag = "-m64",
     cpp_flag = "-lstdc++",
-    include_flag = [
+    extra_compiler_flags = [
         "-I/usr/aarch64-linux-gnu/include/c++/8/aarch64-linux-gnu/",
         "-I/usr/aarch64-linux-gnu/include/c++/8"
     ],
@@ -58,7 +58,7 @@
     name = "linux-ppcle_64-config",
     bit_flag = "-m64",
     cpp_flag = "-lstdc++",
-    include_flag = [
+    extra_compiler_flags = [
         "-I/usr/powerpc64le-linux-gnu/include/c++/8/powerpc64le-linux-gnu/",
         "-I/usr/powerpc64le-linux-gnu/include/c++/8/"
     ],
@@ -73,7 +73,7 @@
     name = "linux-s390_64-config",
     bit_flag = "-m64",
     cpp_flag = "-lstdc++",
-    include_flag = [
+    extra_compiler_flags = [
         "-I/usr/s390x-linux-gnu/include/c++/8/s390x-linux-gnu/",
         "-I/usr/s390x-linux-gnu/include/c++/8/"
     ],
@@ -110,7 +110,7 @@
     name = "osx-aarch_64-config",
     bit_flag = "-m64",
     cpp_flag = "-lc++",
-    include_flag = [
+    extra_compiler_flags = [
         "-I/usr/tools/apple_sdks/xcode_13_0/macosx/usr/include/c++/v1",
         "-I/usr/tools/apple_sdks/xcode_13_0/macosx/usr/include"
     ],
@@ -126,7 +126,7 @@
     name = "osx-x86_64-config",
     bit_flag = "-m64",
     cpp_flag = "-lc++",
-    include_flag = [
+    extra_compiler_flags = [
         "-I/usr/tools/apple_sdks/xcode_13_0/macosx/usr/include/c++/v1",
         "-I/usr/tools/apple_sdks/xcode_13_0/macosx/usr/include"
     ],
@@ -142,12 +142,16 @@
     name = "win32-config",
     bit_flag = "-m32",
     cpp_flag = "-lstdc++",
-    extra_include = "/usr/lib/gcc/i686-w64-mingw32/10-posix/include",
-    extra_linker_flag = "-L/usr/lib/gcc/i686-w64-mingw32/10-posix",
-    include_flag = [
-        "-I/usr/lib/gcc/i686-w64-mingw32/10-posix/include/c++",
-        "-I/usr/lib/gcc/i686-w64-mingw32/10-posix/include/c++/i686-w64-mingw32",
-        "-I/usr/i686-w64-mingw32/include"
+    extra_compiler_flags = [
+        "-I/usr/lib/gcc/i686-w64-mingw32/8.3-posix/include/c++",
+        "-I/usr/lib/gcc/i686-w64-mingw32/8.3-posix/include/c++/i686-w64-mingw32",
+        "-I/usr/i686-w64-mingw32/include",
+        "-fsjlj-exceptions",
+    ],
+    extra_include = "/usr/lib/gcc/i686-w64-mingw32/8.3-posix/include",
+    extra_linker_flags = [
+        "-L/usr/lib/gcc/i686-w64-mingw32/8.3-posix",
+        "-pthread",
     ],
     linker_path = "/usr/bin/ld",
     target_cpu = "x86_32",
@@ -160,13 +164,15 @@
     name = "win64-config",
     bit_flag = "-m64",
     cpp_flag = "-lstdc++",
-    extra_include = "/usr/lib/gcc/x86_64-w64-mingw32/10-posix/include",
-    extra_linker_flag = "-L/usr/lib/gcc/x86_64-w64-mingw32/10-posix",
-    include_flag = [
-        "-I/usr/lib/gcc/x86_64-w64-mingw32/10-posix/include/c++/",
-        "-I/usr/lib/gcc/x86_64-w64-mingw32/10-posix/include/c++/x86_64-w64-mingw32",
+    extra_compiler_flags = [
+        "-I/usr/lib/gcc/x86_64-w64-mingw32/8.3-posix/include/c++/",
+        "-I/usr/lib/gcc/x86_64-w64-mingw32/8.3-posix/include/c++/x86_64-w64-mingw32",
         "-I/usr/x86_64-w64-mingw32/include"
     ],
+    extra_include = "/usr/lib/gcc/x86_64-w64-mingw32/8.3-posix/include",
+    extra_linker_flags = [
+        "-L/usr/lib/gcc/x86_64-w64-mingw32/8.3-posix",
+    ],
     linker_path = "/usr/bin/ld",
     target_cpu = "x86_64",
     target_full_name = "x86_64-w64-mingw32",