* gentpl.py: Use Autogen macros so that the output template file

(Makefile.tpl) size is reduced.

ChangeLog

@@ -1,3 +1,8 @@
+2011-08-25  BVK Chaitanya  <bvk.groups@gmail.com>
+
+	* gentpl.py: Use Autogen macros so that the output template file
+	(Makefile.tpl) size is reduced.
+
 2011-09-29  Mads Kiilerich <mads@kiilerich.com>
 
 	* grub-core/Makefile.core.def (kernel): Add kern/i386/int.S to

gentpl.py

@@ -183,6 +183,17 @@ def foreach_platform_specific_value(platform, suffix, nonetag, closure):
     r += "[+ ELSE +][+ FOR " + nonetag + " +]" + closure("[+ ." + nonetag + " +]") + "[+ ENDFOR +][+ ENDIF +]"
     return r
 
+#
+# Returns autogen code that defines an autogen macro using the
+# definition given in the 'snippet'.
+#
+def define_autogen_macro(name, snippet):
+    r = ""
+    r += "[+ DEFINE " + name + " +]"
+    r += snippet
+    r += "[+ ENDDEF +]\n"
+    return r
+
 #
 # Template for handling values from sum of all groups for a platform,
 # for example:
@@ -245,10 +256,18 @@ def foreach_enabled_platform(closure):
 #    emu_condition = COND_GRUB_EMU_USB;
 #  };
 #
+def define_macro_for_platform_conditionals_if_statement(p):
+    return define_autogen_macro(
+        "if_" + p + "_conditionals",
+        foreach_platform_specific_value(platform, "_condition", "condition", lambda cond: "if " + cond + "\n"))
+def define_macro_for_platform_conditionals_endif_statement(p):
+    return define_autogen_macro(
+        "endif_" + p + "_conditionals",
+        foreach_platform_specific_value(platform, "_condition", "condition", lambda cond: "endif " + cond + "\n"))
 def under_platform_specific_conditionals(platform, snippet):
-    r  = foreach_platform_specific_value(platform, "_condition", "condition", lambda cond: "if " + cond + "\n")
+    r  = "[+ if_" + platform + "_conditionals +]"
     r += snippet
-    r += foreach_platform_specific_value(platform, "_condition", "condition", lambda cond: "endif " + cond + "\n")
+    r += "[+ endif_" + platform + "_conditionals +]"
     return r
 
 def platform_specific_values(platform, suffix, nonetag):
@@ -261,18 +280,69 @@ def platform_values(platform, suffix):
 def extra_dist():
     return foreach_value("extra_dist", lambda value: value + " ")
 
-def platform_sources(p): return platform_values(p, "")
+def define_macro_for_platform_sources(p):
-def platform_nodist_sources(p): return platform_values(p, "_nodist")
+    return define_autogen_macro(
-def platform_dependencies(p): return platform_values(p, "dependencies", "_dependencies")
+        "get_" + p + "_sources",
+        platform_values(p, ""))
+def define_macro_for_platform_nodist_sources(p):
+    return define_autogen_macro(
+        "get_" + p + "_nodist_sources",
+        platform_values(p, "_nodist"))
+def define_macro_for_platform_dependencies(p):
+    return define_autogen_macro(
+        "get_" + p + "_dependencies",
+        platform_values(p, "dependencies", "_dependencies"))
+def platform_sources(p): return "[+ get_" + p + "_sources +]"
+def platform_nodist_sources(p): return "[+ get_" + p + "_nodist_sources +]"
+def platform_dependencies(p): return "[+ get_" + p + "_dependencies +]"
 
-def platform_startup(p): return platform_specific_values(p, "_startup", "startup")
+#
-def platform_ldadd(p): return platform_specific_values(p, "_ldadd", "ldadd")
+# Returns Autogen code which defines the autogen macros that collect
-def platform_cflags(p): return platform_specific_values(p, "_cflags", "cflags")
+# platform specific values for cflags, ldflags, etc. tags.
-def platform_ldflags(p): return platform_specific_values(p, "_ldflags", "ldflags")
+#
-def platform_cppflags(p): return platform_specific_values(p, "_cppflags", "cppflags")
+def define_macro_for_platform_startup(p):
-def platform_ccasflags(p): return platform_specific_values(p, "_ccasflags", "ccasflags")
+    return define_autogen_macro(
-def platform_stripflags(p): return platform_specific_values(p, "_stripflags", "stripflags")
+        "get_" + p + "_startup",
-def platform_objcopyflags(p): return platform_specific_values(p, "_objcopyflags", "objcopyflags")
+        platform_specific_values(p, "_startup", "startup"))
+def define_macro_for_platform_cflags(p):
+    return define_autogen_macro(
+        "get_" + p + "_cflags",
+        platform_specific_values(p, "_cflags", "cflags"))
+def define_macro_for_platform_ldadd(p):
+    return define_autogen_macro(
+        "get_" + p + "_ldadd",
+        platform_specific_values(p, "_ldadd", "ldadd"))
+def define_macro_for_platform_ldflags(p):
+    return define_autogen_macro(
+        "get_" + p + "_ldflags",
+        platform_specific_values(p, "_ldflags", "ldflags"))
+def define_macro_for_platform_cppflags(p):
+    return define_autogen_macro(
+        "get_" + p + "_cppflags",
+        platform_specific_values(p, "_cppflags", "cppflags"))
+def define_macro_for_platform_ccasflags(p):
+    return define_autogen_macro(
+        "get_" + p + "_ccasflags",
+        platform_specific_values(p, "_ccasflags", "ccasflags"))
+def define_macro_for_platform_stripflags(p):
+    return define_autogen_macro(
+        "get_" + p + "_stripflags",
+        platform_specific_values(p, "_stripflags", "stripflags"))
+def define_macro_for_platform_objcopyflags(p):
+    return define_autogen_macro(
+        "get_" + p + "_objcopyflags",
+        platform_specific_values(p, "_objcopyflags", "objcopyflags"))
+#
+# Autogen calls to invoke the above macros.
+#
+def platform_startup(p): return "[+ get_" + p + "_startup +]"
+def platform_ldadd(p): return "[+ get_" + p + "_ldadd +]"
+def platform_cflags(p): return "[+ get_" + p + "_cflags +]"
+def platform_ldflags(p): return "[+ get_" + p + "_ldflags +]"
+def platform_cppflags(p): return "[+ get_" + p + "_cppflags +]"
+def platform_ccasflags(p): return "[+ get_" + p + "_ccasflags +]"
+def platform_stripflags(p): return "[+ get_" + p + "_stripflags +]"
+def platform_objcopyflags(p): return "[+ get_" + p + "_objcopyflags +]"
 
 #
 # Emit snippet only the first time through for the current name.
@@ -489,7 +559,6 @@ def script_rules():
 def data_rules():
     return rules("data", data)
 
-print "[+ AutoGen5 template +]\n"
 a = module_rules()
 b = kernel_rules()
 c = image_rules()
@@ -499,6 +568,23 @@ f = script_rules()
 g = data_rules()
 z = global_variable_initializers()
 
+print "[+ AutoGen5 template +]\n"
+for p in GRUB_PLATFORMS:
+    print define_macro_for_platform_sources(p)
+    print define_macro_for_platform_nodist_sources(p)
+    # print define_macro_for_platform_dependencies(p)
+
+    print define_macro_for_platform_startup(p)
+    print define_macro_for_platform_cflags(p)
+    print define_macro_for_platform_ldadd(p)
+    print define_macro_for_platform_ldflags(p)
+    print define_macro_for_platform_cppflags(p)
+    print define_macro_for_platform_ccasflags(p)
+    print define_macro_for_platform_stripflags(p)
+    print define_macro_for_platform_objcopyflags(p)
+
+    print define_macro_for_platform_conditionals_if_statement(p)
+    print define_macro_for_platform_conditionals_endif_statement(p)
 # print z # initializer for all vars
 print a
 print b