Change link command on Windows with ifort or ifx (#590)

* Check whether compiler is `ifort` or `ifx` on Windows
* Linker command with ifort/ifx on Windows
* Enumerate libraries, based on compiler and platform

Author: Carlos Une

src/fpm_compiler.f90

@@ -94,6 +94,8 @@ module fpm_compiler
     procedure :: link
     !> Check whether compiler is recognized
     procedure :: is_unknown
+    !> Enumerate libraries, based on compiler and platform
+    procedure :: enumerate_libraries
 end type compiler_t
 
 
@@ -593,6 +595,23 @@ pure function is_unknown(self)
     is_unknown = self%id == id_unknown
 end function is_unknown
 
+!>
+!> Enumerate libraries, based on compiler and platform
+!>
+function enumerate_libraries(self, prefix, libs) result(r)
+    class(compiler_t), intent(in) :: self
+    character(len=*), intent(in) :: prefix
+    type(string_t), intent(in) :: libs(:)
+    character(len=:), allocatable :: r
+
+    if (self%id == id_intel_classic_windows .or. &
+        self%id == id_intel_llvm_windows) then
+        r = prefix // " " // string_cat(libs,".lib ")//".lib"
+    else
+        r = prefix // " -l" // string_cat(libs," -l")
+    end if
+end function enumerate_libraries
+
 
 !> Create new compiler instance
 subroutine new_compiler(self, fc, cc)

src/fpm_targets.f90

@@ -466,7 +466,7 @@ subroutine resolve_target_linking(targets, model)
     global_link_flags = ""
     if (allocated(model%link_libraries)) then
         if (size(model%link_libraries) > 0) then
-            global_link_flags = global_link_flags // " -l" // string_cat(model%link_libraries," -l")
+            global_link_flags = model%compiler%enumerate_libraries(global_link_flags, model%link_libraries)
         end if
     end if
 
@@ -518,10 +518,8 @@ subroutine resolve_target_linking(targets, model)
 
                 if (allocated(target%link_libraries)) then
                     if (size(target%link_libraries) > 0) then
-                        target%link_flags = target%link_flags &
-                           & // " -l" // string_cat(target%link_libraries," -l")
-                        local_link_flags = local_link_flags &
-                           & // " -l" // string_cat(target%link_libraries," -l")
+                        target%link_flags = model%compiler%enumerate_libraries(target%link_flags, target%link_libraries)
+                        local_link_flags = model%compiler%enumerate_libraries(local_link_flags, target%link_libraries)
                     end if
                 end if