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| author | Yu-hsin Wang <yuhsingw@google.com> | 2020-01-06 12:27:19 +0800 |
|---|---|---|
| committer | Yu-hsin Wang <yuhsingw@google.com> | 2020-01-08 09:01:55 +0000 |
| commit | e92efbc4c89da0b9ba20168aee637dbc30229a8b (patch) | |
| tree | d1cf1749b57e76d7db762baeac341e7a88a8dc47 | |
| parent | f7903a2014ac06450c46dd12a4906fbd1ce82153 (diff) | |
| download | gem5-e92efbc4c89da0b9ba20168aee637dbc30229a8b.tar.xz | |
scons: Add '-Wl,--as-needed' to default LINKFLAGS
In current build flow, EXTRAS flag is evaluated before building gem5
tools and binaries. Such that, unneeded libraries may be linked into
gem5 binaries. Adding '-Wl,--as-needed' can fix this problem also
shrinks binaries.
Change-Id: Ifb001786a66b0dd9b29865e39a5740313002f250
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/24003
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Tested-by: kokoro <noreply+kokoro@google.com>
| -rwxr-xr-x | SConstruct | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/SConstruct b/SConstruct index ec74d699d..d84b91284 100755 --- a/SConstruct +++ b/SConstruct @@ -372,6 +372,7 @@ if main['GCC'] or main['CLANG']: main.Append(CCFLAGS=['-I/usr/local/include']) main.Append(CXXFLAGS=['-I/usr/local/include']) + main.Append(LINKFLAGS='-Wl,--as-needed') main['FILTER_PSHLINKFLAGS'] = lambda x: str(x).replace(' -shared', '') main['PSHLINKFLAGS'] = main.subst('${FILTER_PSHLINKFLAGS(SHLINKFLAGS)}') if GetOption('gold_linker'): |