Return double quote on linux + fix CUDA_PATH

Author: kzhuravl

amd/hipcc/bin/hipcc.pl

@@ -133,11 +133,7 @@ BEGIN
 $HIP_ROCCLR_HOME =   $hipvars::HIP_ROCCLR_HOME;
 
 sub get_normalized_path {
-    if ($isWindows) {
-      return $doubleQuote . $_[0] . $doubleQuote;
-    } else {
-      return $_[0];
-    }
+  return $doubleQuote . $_[0] . $doubleQuote;
 }
 
 if ($HIP_PLATFORM eq "amd") {

amd/hipcc/bin/hipvars.pm

@@ -61,10 +61,7 @@ sub can_run {
 }
 
 $isWindows =  ($^O eq 'MSWin32' or $^O eq 'msys');
-$doubleQuote = "";
-if ($isWindows) {
-  $doubleQuote = "\"";
-}
+$doubleQuote = "\"";
 
 #
 # TODO: Fix rpath LDFLAGS settings
@@ -90,6 +87,10 @@ if (-e "$HIP_PATH/bin/rocm_agent_enumerator") {
     $ROCM_PATH=$ENV{'ROCM_PATH'} // "/opt/rocm";
 }
 $CUDA_PATH=$ENV{'CUDA_PATH'} // '/usr/local/cuda';
+if ($isWindows and defined $ENV{'CUDA_PATH'}) {
+  $CUDA_PATH =~ s/^"(.*)"$/$1/;
+  $CUDA_PATH =~ s/\\/\//g;
+}
 
 # Windows/Distro's have a different structure, all binaries are with hipcc
 if ($isWindows or -e "$HIP_PATH/bin/clang") {
@@ -130,7 +131,7 @@ if (defined $HIP_RUNTIME and $HIP_RUNTIME eq "rocclr" and !defined $HIP_ROCCLR_H
 if (not defined $HIP_PLATFORM) {
     if (can_run($doubleQuote . "$HIP_CLANG_PATH/clang++" . $doubleQuote) or can_run("clang++")) {
         $HIP_PLATFORM = "amd";
-    } elsif (can_run("$CUDA_PATH/bin/nvcc") or can_run("nvcc")) {
+    } elsif (can_run($doubleQuote . "$CUDA_PATH/bin/nvcc" . $doubleQuote) or can_run("nvcc")) {
         $HIP_PLATFORM = "nvidia";
         $HIP_COMPILER = "nvcc";
         $HIP_RUNTIME = "cuda";