X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=configure.ac;h=0c9bca908b024ca622711c6605ef595a330f72dc;hp=0ac6c99b852613a32c40dc469366465786bc9966;hb=a4204528d3fbd8b959025b897493cf68d5cbfc0f;hpb=9285ed562c208959e0d5034e0ab4289cc40a31a2

diff --git a/configure.ac b/configure.ac
index 0ac6c99b..0c9bca90 100644
--- a/configure.ac
+++ b/configure.ac
@@ -33,7 +33,7 @@ case "$host_os" in
 mingw*)
 	# Native Windows
 	WINDOWS_NATIVE_BUILD="yes"
-	PLATFORM_CPPFLAGS="-D_POSIX -DUNICODE -D_UNICODE -D_CRT_NON_CONFORMING_SWPRINTFS"
+	PLATFORM_CPPFLAGS="-D_POSIX -D_POSIX_THREAD_SAFE_FUNCTIONS -DUNICODE -D_UNICODE -D_CRT_NON_CONFORMING_SWPRINTFS"
 	PLATFORM_CFLAGS="-municode -mno-ms-bitfields"
 	PLATFORM_LDFLAGS="-no-undefined"
 	WITH_NTFS_3G_DEFAULT="no"