https://git.ruby-lang.org/ruby.git/commit/?id=260d626ef6

From 260d626ef69336530b636e2b14b75479f869e8dc Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sun, 27 Dec 2020 14:58:00 +0900
Subject: Ignore symbols declared in the platform header


diff --git a/template/Makefile.in b/template/Makefile.in
index f5a3149..1f91152 100644
--- a/template/Makefile.in
+++ b/template/Makefile.in
@@ -684,4 +684,4 @@ mjit_build_dir.$(SOEXT): $(MJIT_MIN_HEADER) $(srcdir)/ruby-runner.c ruby-runner. https://github.com/ruby/ruby/blob/trunk/template/Makefile.in#L684
 
 # yes-test-basic: leaked-globals
 leaked-globals: $(COMMONOBJS) prog $(tooldir)/leaked-globals PHONY
-	$(Q) $(XRUBY) $(tooldir)/leaked-globals NM=$(NM) SYMBOL_PREFIX=$(SYMBOL_PREFIX) $(srcdir)/configure.ac $(COMMONOBJS)
+	$(Q) $(XRUBY) $(tooldir)/leaked-globals NM=$(NM) SYMBOL_PREFIX=$(SYMBOL_PREFIX) PLATFORM=$(hdrdir)/ruby/$(PLATFORM_DIR).h $(srcdir)/configure.ac $(COMMONOBJS)
diff --git a/tool/leaked-globals b/tool/leaked-globals
index 0d8c3c4..7ed81b1 100755
--- a/tool/leaked-globals
+++ b/tool/leaked-globals
@@ -7,6 +7,8 @@ until ARGV.empty? https://github.com/ruby/ruby/blob/trunk/tool/leaked-globals#L7
     SYMBOL_PREFIX = $1
   when /\ANM=(.*)/              # may be multiple words
     NM = $1
+  when /\APLATFORM=(.+)?/
+    platform = $1
   else
     break
   end
@@ -20,6 +22,19 @@ config_code = File.read(config) https://github.com/ruby/ruby/blob/trunk/tool/leaked-globals#L22
 REPLACE = config_code.scan(/\bAC_(?:REPLACE|CHECK)_FUNCS?\((\w+)/).flatten
 # REPLACE << 'memcmp' if /\bAC_FUNC_MEMCMP\b/ =~ config_code
 REPLACE.push('main', 'DllMain')
+if platform and !platform.empty?
+  begin
+    h = File.read(platform)
+  rescue Errno::ENOENT
+  else
+    REPLACE.concat(
+      h .gsub(%r[/\*.*?\*/]m, " ") # delete block comments
+        .gsub(%r[//.*], ' ')       # delete oneline comments
+        .gsub(/^\s*#.*(?:\\\n.*)*/, "") # delete preprocessor directives
+        .scan(/\b((?!rb_|DEPRECATED|_)\w+)\s*\(.*\);/)
+        .flatten)
+  end
+end
 missing = File.dirname(config) + "/missing/"
 ARGV.reject! do |n|
   unless (src = Dir.glob(missing + File.basename(n, ".*") + ".[cS]")).empty?
-- 
cgit v0.10.2


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