Fix autodiscovery for case-insensitive filesystems (#1007)

Fix autodiscovery for case-insensitive filesystems

Author: perazz

src/fpm_sources.f90

@@ -199,7 +199,8 @@ subroutine add_executable_sources(sources,executables,scope,auto_discover,with_f
         !  and apply any overrides
         do j=1,size(sources)
 
-            if (basename(sources(j)%file_name,suffix=.true.) == executables(i)%main .and.&
+            !> Compare lowercase strings to allow auto-discovery of pre-processed extensions
+            if (lower(basename(sources(j)%file_name,suffix=.true.)) == lower(executables(i)%main) .and.&
                  canon_path(dirname(sources(j)%file_name)) == &
                  canon_path(executables(i)%source_dir) ) then
 

src/fpm_targets.f90

@@ -40,7 +40,8 @@ module fpm_targets
 
 public FPM_TARGET_UNKNOWN, FPM_TARGET_EXECUTABLE, &
        FPM_TARGET_ARCHIVE, FPM_TARGET_OBJECT, &
-       FPM_TARGET_C_OBJECT, FPM_TARGET_CPP_OBJECT
+       FPM_TARGET_C_OBJECT, FPM_TARGET_CPP_OBJECT, &
+       FPM_TARGET_NAME
 public build_target_t, build_target_ptr
 public targets_from_sources, resolve_module_dependencies
 public add_target, add_dependency
@@ -137,6 +138,22 @@ module fpm_targets
 
 contains
 
+!> Target type name
+pure function FPM_TARGET_NAME(type) result(msg)
+   integer, intent(in) :: type
+   character(:), allocatable :: msg
+
+   select case (type)
+      case (FPM_TARGET_ARCHIVE);    msg = 'Archive'
+      case (FPM_TARGET_CPP_OBJECT); msg = 'C++ object'
+      case (FPM_TARGET_C_OBJECT);   msg = 'C Object'
+      case (FPM_TARGET_EXECUTABLE); msg = 'Executable'
+      case (FPM_TARGET_OBJECT);     msg = 'Object'
+      case default;                 msg = 'Unknown'
+   end select
+
+end function FPM_TARGET_NAME
+
 !> High-level wrapper to generate build target information
 subroutine targets_from_sources(targets,model,prune,error)