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Make sse compilation optional. 

Summary:
The fbcode compilation was always switching on msse by default.
This patch keeps the same behaviour but allows the compilation
process to switch off msse if needed.

If one does not want to use sse, then do the following:
export USE_SSE=0
make clean all

Test Plan: make clean all

Reviewers: heyongqiang

Reviewed By: heyongqiang

CC: leveldb

Differential Revision: https://reviews.facebook.net/D6717
This commit is contained in:
Dhruba Borthakur 2012-11-13 16:16:21 -08:00
parent 5d16e503a6
commit 33cf6f3bdc
2 changed files with 4 additions and 2 deletions
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2
build_detect_platform
View File

@ -128,7 +128,7 @@ if test "$USE_SCRIBE"; then
DIRS="$DIRS scribe "
fi
set -f # temporarily disable globbing so that our patterns aren't expanded
set -f # temporarily disable globbing so that our patterns arent expanded
PRUNE_TEST="-name *test*.cc -prune"
PRUNE_BENCH="-name *_bench.cc -prune"
PORTABLE_FILES=`find $DIRS $PRUNE_TEST -o $PRUNE_BENCH -o -name '*.cc' -print | sort | tr "\n" " "`

4
fbcode.gcc471.sh
View File

@ -33,7 +33,9 @@ THRIFT_INCLUDE+=" -I./thrift -I./thrift/gen-cpp -I./thrift/lib/cpp"
THRIFT_LIBS=" -L $TOOLCHAIN_LIB_BASE/boost/boost-1.48.0/bef9365/lib"
# use Intel SSE support for checksum calculations
export USE_SSE=" -msse -msse4.2 "
if test -z "$USE_SSE"; then
export USE_SSE=" -msse -msse4.2 "
fi
CC="$TOOLCHAIN_EXECUTABLES/gcc/gcc-4.7.1-glibc-2.14.1/bin/gcc"
CXX="$TOOLCHAIN_EXECUTABLES/gcc/gcc-4.7.1-glibc-2.14.1/bin/g++ $JINCLUDE $SNAPPY_INCLUDE $THRIFT_INCLUDE"