STYLE: propogate WM_CC for CMake (fixes #226)

- reported by Bruno

src/paraview-plugins/PV3Readers/Allwmake

@@ -47,7 +47,8 @@ case "$ParaView_VERSION" in
     if canBuildPlugin
     then
     (
-        # C++ compiler for CMake
+        # ensure CMake gets the correct C/C++ compilers
+        [ -n "$WM_CC" ]  && export CC="$WM_CC"
         [ -n "$WM_CXX" ] && export CXX="$WM_CXX"
 
         wmake $targetType vtkPV3Readers

src/paraview-plugins/PVReaders/Allwmake

@@ -47,7 +47,8 @@ case "$ParaView_VERSION" in
     if canBuildPlugin
     then
     (
-        # C++ compiler for CMake
+        # ensure CMake gets the correct C/C++ compilers
+        [ -n "$WM_CC" ]  && export CC="$WM_CC"
         [ -n "$WM_CXX" ] && export CXX="$WM_CXX"
 
         wmake $targetType vtkPVReaders

src/paraview-plugins/PVReaders/PVFoamReader/Allwmake

@@ -8,7 +8,8 @@ targetType=libso
 # Source the wmake functions
 . $WM_DIR/scripts/wmakeFunctions
 
-# C++ compiler for CMake
+# ensure CMake gets the correct C/C++ compilers
+[ -n "$WM_CC" ]  && export CC="$WM_CC"
 [ -n "$WM_CXX" ] && export CXX="$WM_CXX"
 
 set -x

src/paraview-plugins/PVReaders/PVblockMeshReader/Allwmake

@@ -8,7 +8,8 @@ targetType=libso
 # Source the wmake functions
 . $WM_DIR/scripts/wmakeFunctions
 
-# C++ compiler for CMake
+# ensure CMake gets the correct C/C++ compilers
+[ -n "$WM_CC" ]  && export CC="$WM_CC"
 [ -n "$WM_CXX" ] && export CXX="$WM_CXX"
 
 set -x

src/runTimePostProcessing/Allwmake

@@ -18,9 +18,9 @@ echo
 
 if [ -d "$VTK_DIR" -o -d "$ParaView_DIR" ]
 then
-    # ensure CMake gets the correct C++ compiler
+    # ensure CMake gets the correct C/C++ compilers
+    [ -n "$WM_CC" ]  && export CC="$WM_CC"
     [ -n "$WM_CXX" ] && export CXX="$WM_CXX"
-    [ -n "$WM_CC" ] && export CC="$WM_CC"
 
     if type cmake > /dev/null 2>&1
     then