Merge pull request Reference-LAPACK#939 from ACSimon33/nagfor_fix

Fixed Fortran preprocessor flag for NAG Fortran compiler

BLAS/SRC/CMakeLists.txt

@@ -123,20 +123,24 @@ if(BUILD_INDEX64_EXT_API)
   set_target_properties(${BLASLIB}_64_obj PROPERTIES POSITION_INDEPENDENT_CODE ON)
   #Add _64 suffix to all Fortran functions via macros
   foreach(F IN LISTS SOURCES_64_F)
+    if(CMAKE_Fortran_COMPILER_ID STREQUAL "NAG")
+      set(COPT_64_F -fpp)
+    else()
       set(COPT_64_F -cpp)
-      file(STRINGS ${F} ${F}.lst)
-      list(FILTER ${F}.lst INCLUDE REGEX "subroutine|SUBROUTINE|external|EXTERNAL|function|FUNCTION")
-      list(FILTER ${F}.lst EXCLUDE REGEX "^!.*")
-      list(FILTER ${F}.lst EXCLUDE REGEX "^[*].*")
-      list(FILTER ${F}.lst EXCLUDE REGEX "end|END")
-      foreach(FUNC IN LISTS ${F}.lst)
-        string(REGEX REPLACE "^[a-zA-Z0-9_ *]*(subroutine|SUBROUTINE|external|EXTERNAL|function|FUNCTION)[ ]*[*]?" "" FUNC ${FUNC})
-        string(REGEX REPLACE "[(][a-zA-Z0-9_, )]*$" "" FUNC ${FUNC})
-        string(STRIP ${FUNC} FUNC)
-        list(APPEND COPT_64_F "-D${FUNC}=${FUNC}_64")
-      endforeach()
-      list(REMOVE_DUPLICATES COPT_64_F)
-      set_source_files_properties(${F} PROPERTIES COMPILE_OPTIONS "${COPT_64_F}")
+    endif()
+    file(STRINGS ${F} ${F}.lst)
+    list(FILTER ${F}.lst INCLUDE REGEX "subroutine|SUBROUTINE|external|EXTERNAL|function|FUNCTION")
+    list(FILTER ${F}.lst EXCLUDE REGEX "^!.*")
+    list(FILTER ${F}.lst EXCLUDE REGEX "^[*].*")
+    list(FILTER ${F}.lst EXCLUDE REGEX "end|END")
+    foreach(FUNC IN LISTS ${F}.lst)
+      string(REGEX REPLACE "^[a-zA-Z0-9_ *]*(subroutine|SUBROUTINE|external|EXTERNAL|function|FUNCTION)[ ]*[*]?" "" FUNC ${FUNC})
+      string(REGEX REPLACE "[(][a-zA-Z0-9_, )]*$" "" FUNC ${FUNC})
+      string(STRIP ${FUNC} FUNC)
+      list(APPEND COPT_64_F "-D${FUNC}=${FUNC}_64")
+    endforeach()
+    list(REMOVE_DUPLICATES COPT_64_F)
+    set_source_files_properties(${F} PROPERTIES COMPILE_OPTIONS "${COPT_64_F}")
   endforeach()
 endif()