Fix OpenCL check

configure

@@ -6484,31 +6484,37 @@ $as_echo "/System/Library/Frameworks/OpenCL.framework/Headers/cl.h" >&6; }
       OPENCL_CFLAGS="-I/System/Library/Frameworks/OpenCL.framework/Headers"
       OPENCL_LIBS="-framework OpenCL"
 
-fi
-   if test -f /usr/local/cuda/cuda/include/CL/cl.h; then :
+else
+
+      if test -f /usr/local/cuda/cuda/include/CL/cl.h; then :
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: /usr/local/cuda/cuda/include/CL/cl.h" >&5
+         { $as_echo "$as_me:${as_lineno-$LINENO}: result: /usr/local/cuda/cuda/include/CL/cl.h" >&5
 $as_echo "/usr/local/cuda/cuda/include/CL/cl.h" >&6; }
-      OPENCL_CFLAGS="-I/usr/local/cuda/cuda/include"
-      OPENCL_LIBS="-lOpenCL"
-      cl_cl_h=true
+         OPENCL_CFLAGS="-I/usr/local/cuda/cuda/include"
+         OPENCL_LIBS="-lOpenCL"
+         cl_cl_h=true
 
-fi
-   if test -f /usr/local/cuda/include/CL/cl.h; then :
+else
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: /usr/local/cuda/include/CL/cl.h" >&5
+         if test -f /usr/local/cuda/include/CL/cl.h; then :
+
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: /usr/local/cuda/include/CL/cl.h" >&5
 $as_echo "/usr/local/cuda/include/CL/cl.h" >&6; }
-      OPENCL_CFLAGS="-I/usr/local/cuda/include"
-      OPENCL_LIBS="-lOpenCL"
-      cl_cl_h=true
+            OPENCL_CFLAGS="-I/usr/local/cuda/include"
+            OPENCL_LIBS="-lOpenCL"
+            cl_cl_h=true
 
 else
 
-      { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found, assuming /usr/include/CL/cl.h" >&5
+            { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found, assuming /usr/include/CL/cl.h" >&5
 $as_echo "not found, assuming /usr/include/CL/cl.h" >&6; }
-      OPENCL_CFLAGS=""
-      OPENCL_LIBS="-lOpenCL"
-      cl_cl_h=true
+            OPENCL_CFLAGS=""
+            OPENCL_LIBS="-lOpenCL"
+            cl_cl_h=true
+
+fi
+
+fi
 
 fi
 
@@ -6522,7 +6528,7 @@ else
 $as_echo "no" >&6; }
 
 fi
-if test "x$cl_cl_h" = "xtrue"; then :
+if test x$cl_cl_h = xtrue; then :
 
 
 $as_echo "#define HAVE_CL_CL_H 1" >>confdefs.h

configure.ac

@@ -63,32 +63,34 @@ AS_IF([test "x$with_opencl" == "xyes"],
       AC_MSG_RESULT([/System/Library/Frameworks/OpenCL.framework/Headers/cl.h])
       OPENCL_CFLAGS="-I/System/Library/Frameworks/OpenCL.framework/Headers"
       OPENCL_LIBS="-framework OpenCL"
-   ])
-   AS_IF([test -f /usr/local/cuda/cuda/include/CL/cl.h],
-   [
-      AC_MSG_RESULT([/usr/local/cuda/cuda/include/CL/cl.h])
-      OPENCL_CFLAGS="-I/usr/local/cuda/cuda/include"
-      OPENCL_LIBS="-lOpenCL"
-      cl_cl_h=true
-   ])
-   AS_IF([test -f /usr/local/cuda/include/CL/cl.h],
-   [
-      AC_MSG_RESULT([/usr/local/cuda/include/CL/cl.h])
-      OPENCL_CFLAGS="-I/usr/local/cuda/include"
-      OPENCL_LIBS="-lOpenCL"
-      cl_cl_h=true
    ], [
-      AC_MSG_RESULT([not found, assuming /usr/include/CL/cl.h])
-      OPENCL_CFLAGS=""
-      OPENCL_LIBS="-lOpenCL"
-      cl_cl_h=true
+      AS_IF([test -f /usr/local/cuda/cuda/include/CL/cl.h],
+      [
+         AC_MSG_RESULT([/usr/local/cuda/cuda/include/CL/cl.h])
+         OPENCL_CFLAGS="-I/usr/local/cuda/cuda/include"
+         OPENCL_LIBS="-lOpenCL"
+         cl_cl_h=true
+      ], [
+         AS_IF([test -f /usr/local/cuda/include/CL/cl.h],
+         [
+            AC_MSG_RESULT([/usr/local/cuda/include/CL/cl.h])
+            OPENCL_CFLAGS="-I/usr/local/cuda/include"
+            OPENCL_LIBS="-lOpenCL"
+            cl_cl_h=true
+         ], [
+            AC_MSG_RESULT([not found, assuming /usr/include/CL/cl.h])
+            OPENCL_CFLAGS=""
+            OPENCL_LIBS="-lOpenCL"
+            cl_cl_h=true
+          ])
+       ])
    ])
    AC_DEFINE([HAVE_OPENCL], [1], [Define to 1 if OpenCL is available])
    have_opencl=true
 ], [
    AC_MSG_RESULT([no])
 ])
-AS_IF([test "x$cl_cl_h" = "xtrue"],
+AS_IF([test x$cl_cl_h = xtrue],
 [
    AC_DEFINE([HAVE_CL_CL_H], [1], [Define to 1 if CL/cl.h should be used])
 ])