From 542044d306b6067da046249d4ff0360de9b85f0b Mon Sep 17 00:00:00 2001
From: Nigel Stewart <nigels@users.sourceforge.net>
Date: Fri, 20 Feb 2015 22:09:24 +1000
Subject: [PATCH] [CoreSupport] Add make_initd.pl code generator for declaring
 all the _glewInit functions

This allows the initializers to call each other according to the interdependencies.
---
 auto/Makefile          |  4 ++++
 auto/bin/make_initd.pl | 44 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100755 auto/bin/make_initd.pl

diff --git a/auto/Makefile b/auto/Makefile
index 953660e..a1a42a7 100644
--- a/auto/Makefile
+++ b/auto/Makefile
@@ -198,6 +198,10 @@ $(S.DEST)/glew.c: $(EXT)/.dummy
 	$(BIN)/make_def_var.pl GL $(GL_CORE_SPEC) >> $@
 	$(BIN)/make_def_var.pl GL $(GL_EXT_SPEC) >> $@
 	echo -e "\n#endif /* !GLEW_MX */\n" >> $@;
+	echo -e "" >> $@;
+	$(BIN)/make_initd.pl GL $(GL_CORE_SPEC) >> $@
+	$(BIN)/make_initd.pl GL $(GL_EXT_SPEC) >> $@
+	echo -e "" >> $@;
 	$(BIN)/make_init.pl GL $(GL_CORE_SPEC) >> $@
 	$(BIN)/make_init.pl GL $(GL_EXT_SPEC) >> $@
 	cat $(SRC)/glew_init_gl.c >> $@
diff --git a/auto/bin/make_initd.pl b/auto/bin/make_initd.pl
new file mode 100755
index 0000000..62343ea
--- /dev/null
+++ b/auto/bin/make_initd.pl
@@ -0,0 +1,44 @@
+#!/usr/bin/perl
+##
+## Copyright (C) 2002-2008, Marcelo E. Magallon <mmagallo[]debian org>
+## Copyright (C) 2002-2008, Milan Ikits <milan ikits[]ieee org>
+##
+## This program is distributed under the terms and conditions of the GNU
+## General Public License Version 2 as published by the Free Software
+## Foundation or, at your option, any later version.
+
+use strict;
+use warnings;
+
+do 'bin/make.pl';
+
+## Output declarations for the _glewInit_[extension] functions defined
+## by make_init.pl script.  These are necessary for for initializers to
+## call each other, such as a core GL 3 context that depends on certain
+## extensions.
+
+#-------------------------------------------------------------------------------
+
+my @extlist = ();
+my %extensions = ();
+
+our $type = shift;
+
+if (@ARGV)
+{
+    @extlist = @ARGV;
+
+	foreach my $ext (sort @extlist)
+	{
+		my ($extname, $exturl, $extstring, $types, $tokens, $functions, $exacts) = 
+			parse_ext($ext);
+
+		#print "#ifdef $extname\n\n";
+		if (keys %$functions)
+		{
+			print "static GLboolean _glewInit_$extname (" . $type . 
+				"EW_CONTEXT_ARG_DEF_INIT);\n";
+		}
+		#print "#endif /* $extname */\n\n";
+	}
+}