Upgrade SPI makefiles to Clang 5.0.1 final

Author: fpsunflower

site/spi/Makefile-bits

@@ -18,7 +18,7 @@ ifeq ($(SP_OS), rhel7)
 
     ## If not overridden, here is our preferred LLVM installation
     ## (may be changed as new versions are rolled out to the facility)
-    LLVM_DIRECTORY ?= /shots/spi/home/lib/arnold/rhel7/llvm_5.0.1_rc2
+    LLVM_DIRECTORY ?= /shots/spi/home/lib/arnold/rhel7/llvm_5.0.1
 
     # A variety of tags can be used to try specific versions of gcc or
     # clang from the site-specific places we have installed them.
@@ -28,8 +28,8 @@ ifeq ($(SP_OS), rhel7)
            -DCMAKE_CXX_COMPILER=/shots/spi/home/lib/arnold/rhel7/llvm_4.0_final/bin/clang++
     else ifeq (${COMPILER}, clang5)
         MY_CMAKE_FLAGS += \
-           -DCMAKE_C_COMPILER=/shots/spi/home/lib/arnold/rhel7/llvm_5.0.1_rc2/bin/clang \
-           -DCMAKE_CXX_COMPILER=/shots/spi/home/lib/arnold/rhel7/llvm_5.0.1_rc2/bin/clang++
+           -DCMAKE_C_COMPILER=/shots/spi/home/lib/arnold/rhel7/llvm_5.0.1/bin/clang \
+           -DCMAKE_CXX_COMPILER=/shots/spi/home/lib/arnold/rhel7/llvm_5.0.1/bin/clang++
     else ifeq (${COMPILER}, clang6)
         MY_CMAKE_FLAGS += \
            -DCMAKE_C_COMPILER=/shots/spi/home/lib/arnold/rhel7/llvm_6.0.0_rc2/bin/clang \