diff --git a/configure.ac b/configure.ac
index 1fa892e73353e93593cdbe2290b9e967125c1246..e744cf3b7032dac5f639ceb0d7185094631462b8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -905,28 +905,6 @@ AC_SUBST(TargetWordSize)
 AC_C_BIGENDIAN([TargetWordBigEndian=YES],[TargetWordBigEndian=NO])
 AC_SUBST(TargetWordBigEndian)
 
-FP_CHECK_FUNC([WinExec],
-  [@%:@include <windows.h>], [WinExec("",0)])
-
-FP_CHECK_FUNC([GetModuleFileName],
-  [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
-
-dnl ** check for more functions
-dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
-AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity sched_getaffinity setlocale uselocale])
-
-dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
-dnl ** _POSIX_C_SOURCE is defined
-AC_CHECK_DECLS([ctime_r], , ,
-[#define _POSIX_SOURCE 1
-#define _POSIX_C_SOURCE 199506L
-#include <time.h>])
-
-dnl On Linux we should have program_invocation_short_name
-AC_CHECK_DECLS([program_invocation_short_name], , ,
-[#define _GNU_SOURCE 1
-#include <errno.h>])
-
 dnl ** check for math library
 dnl    Keep that check as early as possible.
 dnl    as we need to know whether we need libm
diff --git a/rts/configure.ac b/rts/configure.ac
index 3e64d2f03da55a882e29f91636589e9f9872d3f2..563d94b2eafa493f9507682cb64567031c06ebff 100644
--- a/rts/configure.ac
+++ b/rts/configure.ac
@@ -33,6 +33,28 @@ GHC_CONVERT_PLATFORM_PARTS([host], [Host])
 FPTOOLS_SET_PLATFORM_VARS([host], [Host])
 FPTOOLS_SET_HASKELL_PLATFORM_VARS([Host])
 
+FP_CHECK_FUNC([WinExec],
+  [@%:@include <windows.h>], [WinExec("",0)])
+
+FP_CHECK_FUNC([GetModuleFileName],
+  [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
+
+dnl ** check for more functions
+dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
+AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity sched_getaffinity setlocale uselocale])
+
+dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
+dnl ** _POSIX_C_SOURCE is defined
+AC_CHECK_DECLS([ctime_r], , ,
+[#define _POSIX_SOURCE 1
+#define _POSIX_C_SOURCE 199506L
+#include <time.h>])
+
+dnl On Linux we should have program_invocation_short_name
+AC_CHECK_DECLS([program_invocation_short_name], , ,
+[#define _GNU_SOURCE 1
+#include <errno.h>])
+
 dnl ** check for math library
 dnl    Keep that check as early as possible.
 dnl    as we need to know whether we need libm