From 4576541c176efee347cb3dfaee568fed1a2dd986 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Fri, 28 Apr 2017 03:57:09 -0700 Subject: scons: Add builders for partially linked object files. These intermediate object files can be used to perform a hierarchical link. Change-Id: I27634731734eebe6531ce6b0894abdd59ffdc5c9 Reviewed-on: https://gem5-review.googlesource.com/2944 Reviewed-by: Andreas Sandberg Maintainer: Andreas Sandberg --- SConstruct | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'SConstruct') diff --git a/SConstruct b/SConstruct index f4649c64d..84a0a98ed 100755 --- a/SConstruct +++ b/SConstruct @@ -688,6 +688,13 @@ if main['GCC'] or main['CLANG']: if sys.platform.startswith('freebsd'): main.Append(CCFLAGS=['-I/usr/local/include']) main.Append(CXXFLAGS=['-I/usr/local/include']) + + main['FILTER_PSHLINKFLAGS'] = lambda x: str(x).replace(' -shared', '') + main['PSHLINKFLAGS'] = main.subst('${FILTER_PSHLINKFLAGS(SHLINKFLAGS)}') + main['PLINKFLAGS'] = main.subst('${LINKFLAGS}') + shared_partial_flags = ['-Wl,--relocatable', '-nostdlib'] + main.Append(PSHLINKFLAGS=shared_partial_flags) + main.Append(PLINKFLAGS=shared_partial_flags) else: print termcap.Yellow + termcap.Bold + 'Error' + termcap.Normal, print "Don't know what compiler options to use for your compiler." @@ -1340,6 +1347,32 @@ config_builder = Builder(emitter = config_emitter, action = config_action) main.Append(BUILDERS = { 'ConfigFile' : config_builder }) +################################################### +# +# Builders for static and shared partially linked object files. +# +################################################### + +partial_static_builder = Builder(action=SCons.Defaults.LinkAction, + src_suffix='$OBJSUFFIX', + src_builder=['StaticObject', 'Object'], + LINKFLAGS='$PLINKFLAGS', + LIBS='') + +def partial_shared_emitter(target, source, env): + for tgt in target: + tgt.attributes.shared = 1 + return (target, source) +partial_shared_builder = Builder(action=SCons.Defaults.ShLinkAction, + emitter=partial_shared_emitter, + src_suffix='$SHOBJSUFFIX', + src_builder='SharedObject', + SHLINKFLAGS='$PSHLINKFLAGS', + LIBS='') + +main.Append(BUILDERS = { 'PartialShared' : partial_shared_builder, + 'PartialStatic' : partial_static_builder }) + # builds in ext are shared across all configs in the build root. ext_dir = abspath(joinpath(str(main.root), 'ext')) for root, dirs, files in os.walk(ext_dir): -- cgit v1.2.3