ff-clang-lto.mzc

. $topsrcdir/../cfg/base-ff-opt.inc

# Obsolete LTO fixes
# export MOZ_NATIVE_FFI=1
# ac_add_options --disable-crashreporter
# LDFLAGS no longer needs: -plugin /usr/lib/LLVMgold.so

mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/../ff-clang-lto

# LTO assumes gold is in use, which it should be if available and not in
# --enable-release mode.

# -march=native is a workaround for "LLVM ERROR: Cannot select: intrinsic", due
# to the linker not being aware of available cpu features.
# See: http://lists.cs.uiuc.edu/pipermail/llvmdev/2014-February/070047.html

ac_add_options --enable-optimize=-O3
# ac_add_options --disable-elf-hack
export LDFLAGS="$LDFLAGS -flto -march=corei7-avx"
export CFLAGS="$CFLAGS -flto"
export CXXFLAGS="$CXXFLAGS -flto"

# LTO last confirmed working with FF31+Clang 3.4.

. $topsrcdir/../cfg/clang.inc
. $topsrcdir/../cfg/distcc.inc