BUG: csh setenv syntax

etc/settings.csh

@@ -88,22 +88,22 @@ case OpenFOAM:
     switch ("$WM_COMPILER")
     case Gcc:
         setenv WM_COMPILER_DIR $WM_THIRD_PARTY_DIR/gcc-4.4.3/platforms/$WM_ARCH$WM_COMPILER_ARCH
-        setenv MPFR_HOME=$WM_THIRD_PARTY_DIR/mpfr-2.4.2
-        setenv MPFR_ARCH_PATH=$MPFR_HOME/platforms/$WM_ARCH$WM_COMPILER_ARCH
+        setenv MPFR_HOME $WM_THIRD_PARTY_DIR/mpfr-2.4.2
+        setenv MPFR_ARCH_PATH $MPFR_HOME/platforms/$WM_ARCH$WM_COMPILER_ARCH
         _foamAddLib $MPFR_ARCH_PATH/lib
         _foamAddLib $WM_THIRD_PARTY_DIR/gmp-5.0.1/platforms/$WM_ARCH$WM_COMPILER_ARCH/lib
     breaksw
     case Gcc442:
         setenv WM_COMPILER_DIR $WM_THIRD_PARTY_DIR/gcc-4.4.2/platforms/$WM_ARCH$WM_COMPILER_ARCH
-        setenv MPFR_HOME=$WM_THIRD_PARTY_DIR/mpfr-2.4.1
-        setenv MPFR_ARCH_PATH=$MPFR_HOME/platforms/$WM_ARCH$WM_COMPILER_ARCH
+        setenv MPFR_HOME $WM_THIRD_PARTY_DIR/mpfr-2.4.1
+        setenv MPFR_ARCH_PATH $MPFR_HOME/platforms/$WM_ARCH$WM_COMPILER_ARCH
         _foamAddLib $MPFR_ARCH_PATH/lib
         _foamAddLib $WM_THIRD_PARTY_DIR/gmp-4.2.4/platforms/$WM_ARCH$WM_COMPILER_ARCH/lib
     breaksw
     case Gcc43:
         setenv WM_COMPILER_DIR $WM_THIRD_PARTY_DIR/gcc-4.3.3/platforms/$WM_ARCH$WM_COMPILER_ARCH
-        setenv MPFR_HOME=$WM_THIRD_PARTY_DIR/mpfr-2.4.1
-        setenv MPFR_ARCH_PATH=$MPFR_HOME/platforms/$WM_ARCH$WM_COMPILER_ARCH
+        setenv MPFR_HOME $WM_THIRD_PARTY_DIR/mpfr-2.4.1
+        setenv MPFR_ARCH_PATH $MPFR_HOME/platforms/$WM_ARCH$WM_COMPILER_ARCH
         _foamAddLib $MPFR_ARCH_PATH/lib
         _foamAddLib $WM_THIRD_PARTY_DIR/gmp-4.2.4/platforms/$WM_ARCH$WM_COMPILER_ARCH/lib
     breaksw
@@ -254,10 +254,10 @@ endif
 # CGAL and boost
 # ~~~~~~~~~~~~~~
 set cgal_version=3.5.1
-setenv CGAL_SRC=$WM_THIRD_PARTY_DIR/CGAL-$cgal_version
+setenv CGAL_SRC $WM_THIRD_PARTY_DIR/CGAL-$cgal_version
 
 set boost_version=1_42_0
-setenv BOOST_ROOT=$WM_THIRD_PARTY_DIR/boost_$boost_version
+setenv BOOST_ROOT $WM_THIRD_PARTY_DIR/boost_$boost_version
 
 _foamAddLib $BOOST_ROOT/platforms/$WM_OPTIONS/lib
 _foamAddLib $CGAL_SRC/lib