Automatically remove --wamr-exceptions flag for C builds

scripts/build.pl

@@ -202,7 +202,6 @@ local $ENV{WAMR_USE_LINEAR_POOL_IN_TEXT} =
 # ========================================================================================= #
 
 # NOTE: The runner will prefix "-Wf," to each flag
-# TODO: Exclude --wamr-exceptions from C builds automatically
 my %catch_flag_map = (
     "--catch-outer"     => "--catch-outerspace",
     "--catch-text"      => "--catch-write-textsegment",
@@ -224,6 +223,12 @@ foreach my $experiment (@selected_experiments) {
     foreach my $target (@selected_targets) {
         foreach my $mode (@selected_modes) {
 
+            # Remove --wamr-exceptions for C builds, it is WAMR-specific
+            my @build_catch_flags =
+              $mode eq "c"
+              ? grep { $_ ne "--wamr-exceptions" } @selected_catch_flags
+              : @selected_catch_flags;
+
             my $allocator_info = "";
             if ( $mode eq "aot" || $mode eq "interp" ) {
                 $allocator_info =
@@ -267,7 +272,7 @@ foreach my $experiment (@selected_experiments) {
                   && $selected_linear_pool_variant eq $linear_pool_variants[0] )
               ? "wamr_linear_pool"
               : "";
-            my $flags_info = join " ", @selected_catch_flags;
+            my $flags_info = join " ", @build_catch_flags;
 
             my $info_str = join " ",
               grep { length } (
@@ -288,7 +293,7 @@ foreach my $experiment (@selected_experiments) {
               "$local_root/build-$experiment/runner_flags";
             open( my $fhandle, '>', $runner_flags_path )
               or die "Cannot write $runner_flags_path: $!";
-            print $fhandle "$catch_flag_map{$_}\n" for @selected_catch_flags;
+            print $fhandle "$catch_flag_map{$_}\n" for @build_catch_flags;
             close($fhandle);
 
             system( "mv", "$local_root/build.log",