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playing with pre-compiled headers

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commit 3315fba0bbfc8aab177e4e677e75b2d242e4bd02 1 parent 45f6a97
Eliot Horowitz authored
Showing with 120 additions and 2 deletions.
  1. +12 −2 SConstruct
  2. +108 −0 gch.py
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14 SConstruct
@@ -215,7 +215,7 @@ nojni = not GetOption( "nojni" ) is None
usesm = not GetOption( "usesm" ) is None
usejvm = not GetOption( "usejvm" ) is None
-env = Environment( MSVS_ARCH=msarch )
+env = Environment( MSVS_ARCH=msarch , tools = ["default", "gch"], toolpath = '.' )
if GetOption( "cxx" ) is not None:
env["CC"] = GetOption( "cxx" )
env["CXX"] = GetOption( "cxx" )
@@ -295,6 +295,8 @@ serverOnlyFiles += coreShardFiles + [ "s/d_logic.cpp" ]
allClientFiles = commonFiles + coreDbFiles + [ "client/clientOnly.cpp" , "client/gridfs.cpp" ];
+allCXXFiles = allClientFiles + coreShardFiles + shardServerFiles + serverOnlyFiles;
+
# ---- other build setup -----
platform = os.sys.platform
@@ -511,7 +513,7 @@ if not nojni and useJavaHome:
env.Append( LINKFLAGS="-Xlinker -rpath -Xlinker " + javaHome + "jre/lib/" + javaVersion )
if nix:
- env.Append( CPPFLAGS="-fPIC -fno-strict-aliasing -ggdb -pthread -Wall -Wsign-compare -Wno-unknown-pragmas" )
+ env.Append( CPPFLAGS="-fPIC -fno-strict-aliasing -ggdb -pthread -Wall -Wsign-compare -Wno-unknown-pragmas -Winvalid-pch" )
env.Append( CXXFLAGS=" -Wnon-virtual-dtor " )
env.Append( LINKFLAGS=" -fPIC -pthread " )
env.Append( LIBS=[] )
@@ -537,6 +539,14 @@ if nix:
if GetOption( "profile" ) is not None:
env.Append( LINKFLAGS=" -pg " )
+ # pre-compiled headers
+ if 'Gch' in dir( env ):
+ print( "using precompiled headers" )
+ env['Gch'] = env.Gch( [ "stdafx.h" ] )[0]
+ #Depends( "stdafx.o" , "stdafx.h.gch" )
+ #SideEffect( "dummyGCHSideEffect" , "stdafx.h.gch" )
+
+
if "uname" in dir(os):
hacks = buildscripts.findHacks( os.uname() )
if hacks is not None:
View
108 gch.py
@@ -0,0 +1,108 @@
+# $Id$
+#
+# SCons builder for gcc's precompiled headers
+# Copyright (C) 2006 Tim Blechmann
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+# $Revision$
+# $LastChangedRevision$
+# $LastChangedDate$
+# $LastChangedBy$
+
+import SCons.Action
+import SCons.Builder
+import SCons.Scanner.C
+import SCons.Util
+import SCons.Script
+
+SCons.Script.EnsureSConsVersion(0,96,92)
+
+GchAction = SCons.Action.Action('$GCHCOM', '$GCHCOMSTR')
+GchShAction = SCons.Action.Action('$GCHSHCOM', '$GCHSHCOMSTR')
+
+def gen_suffix(env, sources):
+ return sources[0].get_suffix() + env['GCHSUFFIX']
+
+
+GchShBuilder = SCons.Builder.Builder(action = GchShAction,
+ source_scanner = SCons.Scanner.C.CScanner(),
+ suffix = gen_suffix)
+
+GchBuilder = SCons.Builder.Builder(action = GchAction,
+ source_scanner = SCons.Scanner.C.CScanner(),
+ suffix = gen_suffix)
+
+def static_pch_emitter(target,source,env):
+ SCons.Defaults.StaticObjectEmitter( target, source, env )
+
+ scanner = SCons.Scanner.C.CScanner()
+ path = scanner.path(env)
+ deps = scanner(source[0], env, path)
+
+ if env.has_key('Gch') and env['Gch']:
+ if env['Gch'].path.strip('.gch') in [x.path for x in deps]:
+ env.Depends(target, env['Gch'])
+
+ return (target, source)
+
+def shared_pch_emitter(target,source,env):
+ SCons.Defaults.SharedObjectEmitter( target, source, env )
+
+ scanner = SCons.Scanner.C.CScanner()
+ path = scanner.path(env)
+ deps = scanner(source[0], env, path)
+
+ if env.has_key('GchSh') and env['GchSh']:
+ if env['GchSh'].path.strip('.gch') in [x.path for x in deps]:
+ env.Depends(target, env['GchSh'])
+ return (target, source)
+
+def generate(env):
+ """
+ Add builders and construction variables for the Gch builder.
+ """
+ env.Append(BUILDERS = {
+ 'gch': env.Builder(
+ action = GchAction,
+ target_factory = env.fs.File,
+ ),
+ 'gchsh': env.Builder(
+ action = GchShAction,
+ target_factory = env.fs.File,
+ ),
+ })
+
+ try:
+ bld = env['BUILDERS']['Gch']
+ bldsh = env['BUILDERS']['GchSh']
+ except KeyError:
+ bld = GchBuilder
+ bldsh = GchShBuilder
+ env['BUILDERS']['Gch'] = bld
+ env['BUILDERS']['GchSh'] = bldsh
+
+ env['GCHCOM'] = '$CXX -o $TARGET -x c++-header -c $CXXFLAGS $_CCCOMCOM $SOURCE'
+ env['GCHSHCOM'] = '$CXX -o $TARGET -x c++-header -c $SHCXXFLAGS $_CCCOMCOM $SOURCE'
+ env['GCHSUFFIX'] = '.gch'
+
+ for suffix in SCons.Util.Split('.c .C .cc .cxx .cpp .c++'):
+ env['BUILDERS']['StaticObject'].add_emitter( suffix, static_pch_emitter )
+ env['BUILDERS']['SharedObject'].add_emitter( suffix, shared_pch_emitter )
+
+
+def exists(env):
+ return env.Detect('g++')
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