replica
/
hanchenye-llvm-project
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Switch to gold linker on android x86, x86_64, arm 

These architectures already using the gold linker for the android
framework and switching to gold gives us the opportunity to enable ICF.

Safe ICF (identical code folding) reduces the size of an optimized and
striped binary by ~5%.

Differential revision: http://reviews.llvm.org/D15379

llvm-svn: 255240
This commit is contained in:
Tamas Berghammer 2015-12-10 11:02:51 +00:00
parent 8b59062a32
commit 7b93d66208
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
lldb/cmake/platforms/Android.cmake
View File

@ -121,6 +121,13 @@ elseif( ANDROID_ABI STREQUAL "mips" )
endif()
endif()
# Use gold linker and enable safe ICF in case of x86, x86_64 and arm
if ( ANDROID_ABI STREQUAL "x86" OR
ANDROID_ABI STREQUAL "x86_64" OR
ANDROID_ABI STREQUAL "armeabi")
set( ANDROID_LINKER_FLAGS "${ANDROID_LINKER_FLAGS} -fuse-ld=gold -Wl,--icf=safe" )
endif()
if( NOT LLVM_BUILD_STATIC )
# PIE is required for API 21+ so we enable it if we're not statically linking
# unfortunately, it is not supported before API 16 so we need to do something