--- ../cache/babl-BABL_0_1_24/configure.ac 2017-01-31 23:29:08.000000000 +0000 +++ ./configure.ac 2017-05-03 06:06:30.544841204 +0000 @@ -254,7 +254,7 @@ AM_CONDITIONAL(PLATFORM_WIN32, test "$platform_win32" = "yes") MATH_LIB=-lm -THREAD_LIB=-lpthread +THREAD_LIB=-lc AC_MSG_CHECKING([for native Win32]) case "$target_or_host" in *-*-mingw*)