wikiheaders: fixed to work with not-SDL3 projects.

(SDL2 still uses DECLSPEC, not SDL_DECLSPEC.)

build-scripts/wikiheaders.pl

@@ -768,7 +768,7 @@ while (my $d = readdir(DH)) {
             #print("CATEGORY FOR '$dent' CHANGED TO " . (defined($current_wiki_category) ? "'$current_wiki_category'" : '(undef)') . "\n");
             push @contents, $_;
             next;
-        } elsif (/\A\s*extern\s+(SDL_DEPRECATED\s+|)(SDLMAIN_|SDL_)DECLSPEC/) {  # a function declaration without a doxygen comment?
+        } elsif (/\A\s*extern\s+(SDL_DEPRECATED\s+|)(SDLMAIN_|SDL_)?DECLSPEC/) {  # a function declaration without a doxygen comment?
             $symtype = 1;   # function declaration
             @templines = ();
             $decl = $_;
@@ -841,7 +841,7 @@ while (my $d = readdir(DH)) {
                 $lineno++ if defined $decl;
                 $decl = '' if not defined $decl;
                 chomp($decl);
-                if ($decl =~ /\A\s*extern\s+(SDL_DEPRECATED\s+|)(SDLMAIN_|SDL_)DECLSPEC/) {
+                if ($decl =~ /\A\s*extern\s+(SDL_DEPRECATED\s+|)(SDLMAIN_|SDL_)?DECLSPEC/) {
                     $symtype = 1;   # function declaration
                 } elsif ($decl =~ /\A\s*SDL_FORCE_INLINE/) {
                     $symtype = 1;   # (forced-inline) function declaration
@@ -917,7 +917,7 @@ while (my $d = readdir(DH)) {
 
             my $paramsstr = undef;
 
-            if (!$is_forced_inline && $decl =~ /\A\s*extern\s+(SDL_DEPRECATED\s+|)(SDLMAIN_|SDL_)DECLSPEC\s+(const\s+|)(unsigned\s+|)(.*?)([\*\s]+)(\*?)\s*SDLCALL\s+(.*?)\s*\((.*?)\);/) {
+            if (!$is_forced_inline && $decl =~ /\A\s*extern\s+(SDL_DEPRECATED\s+|)(SDLMAIN_|SDL_)?DECLSPEC\s+(const\s+|)(unsigned\s+|)(.*?)([\*\s]+)(\*?)\s*SDLCALL\s+(.*?)\s*\((.*?)\);/) {
                 $sym = $8;
                 $rettype = "$3$4$5$6";
                 $paramsstr = $9;
@@ -985,7 +985,7 @@ while (my $d = readdir(DH)) {
                 foreach (@decllines) {
                     if ($decl eq '') {
                         $decl = $_;
-                        $decl =~ s/\Aextern\s+(SDL_DEPRECATED\s+|)(SDLMAIN_|SDL_)DECLSPEC\s+(.*?)\s+(\*?)SDLCALL\s+/$3$4 /;
+                        $decl =~ s/\Aextern\s+(SDL_DEPRECATED\s+|)(SDLMAIN_|SDL_)?DECLSPEC\s+(.*?)\s+(\*?)SDLCALL\s+/$3$4 /;
                     } else {
                         my $trimmed = $_;
                         # !!! FIXME: trim space for SDL_DEPRECATED if it was used, too.