diff --git a/build-win32.txt b/build-win32.txt
index a1406832..748f5c1e 100644
--- a/build-win32.txt
+++ b/build-win32.txt
@@ -4,6 +4,12 @@ cpp = 'i686-w64-mingw32-g++'
 ar = 'i686-w64-mingw32-ar'
 strip = 'i686-w64-mingw32-strip'
 
+[built-in options]
+c_args=[@CARGS@]
+cpp_args=[@CXXARGS@]
+c_link_args = [@LDARGS@]
+cpp_link_args = [@LDARGS@]
+
 [properties]
 needs_exe_wrapper = true
 
diff --git a/build-win64.txt b/build-win64.txt
index 1aee4626..7d2e84f4 100644
--- a/build-win64.txt
+++ b/build-win64.txt
@@ -4,6 +4,12 @@ cpp = 'x86_64-w64-mingw32-g++'
 ar = 'x86_64-w64-mingw32-ar'
 strip = 'x86_64-w64-mingw32-strip'
 
+[built-in options]
+c_args=[@CARGS@]
+cpp_args=[@CXXARGS@]
+c_link_args = [@LDARGS@]
+cpp_link_args = [@LDARGS@]
+
 [properties]
 needs_exe_wrapper = true