From c775410f318353941dc980b78f2ed4807ee66046 Mon Sep 17 00:00:00 2001
From: Timo Rothenpieler <timo@rothenpieler.org>
Date: Tue, 26 Feb 2019 17:09:26 +0100
Subject: [PATCH] configure: pass windows-path to nvcc whenever cygpath is
 available

It might be using cl.exe on Windows, which does not understand Unix-Paths.

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
---
 configure | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 6c6c1c44bb..1fbde5d3e3 100755
--- a/configure
+++ b/configure
@@ -1030,7 +1030,10 @@ test_nvcc(){
     log test_nvcc "$@"
     cat > $TMPCU
     log_file $TMPCU
-    test_cmd $nvcc -ptx $NVCCFLAGS "$@" $NVCC_C $(nvcc_o $TMPO) $TMPCU
+    tmpcu_=$TMPCU
+    tmpo_=$TMPO
+    [ -x "$(command -v cygpath)" ] && tmpcu_=$(cygpath -m $tmpcu_) && tmpo_=$(cygpath -m $tmpo_)
+    test_cmd $nvcc -ptx $NVCCFLAGS "$@" $NVCC_C $(nvcc_o $tmpo_) $tmpcu_
 }
 
 check_nvcc() {