COMP: typo in surfaceBooleanFeatures/PolyhedronReader Make/options

ENH: strip {GMP,MPRF}_ARCH_PATH in make rules

applications/utilities/surface/surfaceBooleanFeatures/PolyhedronReader/Make/options

@@ -17,6 +17,6 @@ EXE_INC = \
     -I$(LIB_SRC)/meshTools/lnInclude
 
 LIB_LIBS = \
-    -L${CGAL_LIBS} \
+    ${CGAL_LIBS} \
     -lsurfMesh \
     -lmeshTools

wmake/rules/General/cgal-header-only

@@ -4,11 +4,11 @@
 CGAL_INC  = -DCGAL_HEADER_ONLY
 CGAL_LIBS =
 
-ifneq (,$(GMP_ARCH_PATH))
+ifneq (,$(strip $(GMP_ARCH_PATH)))
   CGAL_INC  += -I$(GMP_ARCH_PATH)/include
   CGAL_LIBS += -L$(GMP_ARCH_PATH)/lib$(WM_COMPILER_LIB_ARCH)
 endif
-ifneq (,$(MPFR_ARCH_PATH))
+ifneq (,$(strip $(MPFR_ARCH_PATH)))
   CGAL_INC  += -I$(MPFR_ARCH_PATH)/include
   CGAL_LIBS += -L$(MPFR_ARCH_PATH)/lib$(WM_COMPILER_LIB_ARCH)
 endif