Generate libvlc.sym separately from vlc_symbols.h

src/Makefile.am

@@ -386,9 +386,11 @@ stamp-api: Makefile.in $(HEADERS_include) ../vlc-api.pl
 	  top_srcdir="$(top_srcdir)" perl $(top_srcdir)/vlc-api.pl
 	touch stamp-api
 
-libvlc.sym:
-	rm -f stamp-api
-	$(MAKE) stamp-api
+libvlc.sym: $(HEADERS_include)
+	rm -f libvlc.sym
+	(cd $(srcdir) && cat $(HEADERS_include) ) | \
+	sed -ne 's/^.*VLC_EXPORT\s*(\s*\w.*\S\s*,\s*\(\w*\)\s*,\s*(\s*\w.*\S\s*)\s*)[^)]*$$/\1/p' \
+		> libvlc.sym
 
 ###############################################################################
 # Unit/regression test

vlc-api.pl

@@ -32,19 +32,15 @@ my $srcdir = $ENV{'top_srcdir'};
 #
 my %new_APIs;
 my $new_sym = IO::Handle->new();
-open $new_sym, '> libvlc.sym' or die "libvlc.sym: $!\n";
 
 while (<STDIN>)
 {
 	if (/VLC_EXPORT\(\s*(\w.*\S)\s*,\s*(\w*)\s*,\s*\(\s*(\w.*\S)\s*\)\s*\)[^)]*$/)
 	{
 		$new_APIs{$2} = [ ( $1, $3 ) ];
-		print { $new_sym } "$2\n";
 	} 
 }
 
-close $new_sym;
-
 #
 # Write header's header
 #