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Downgrade optimization level from -O3 to -O2.

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Summary:
When we use -O3, the gcc 4.7.1 compiler generates 'pinsrd' which is
not supported on machines with "vendor_id       : AuthenticAMD".

Previous release of rocksdb used -O2.
Optimization -O2 was introduced at
772f75b3fb

Test Plan: make check

Reviewers: chip, heyongqiang, sheki

Reviewed By: sheki

CC: leveldb

Differential Revision: https://reviews.facebook.net/D9093
This commit is contained in:
Dhruba Borthakur 2013-03-05 10:43:27 -08:00
parent 7b43500794
commit e7b726da08
1 changed files with 1 additions and 1 deletions
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2
Makefile
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@ -10,7 +10,7 @@ INSTALL_PATH ?= $(CURDIR)
# to switch between compilation modes.
# OPT ?= -DNDEBUG # (A) Production use (optimized mode)
OPT += -O3 -fno-omit-frame-pointer -momit-leaf-frame-pointer
OPT += -O2 -fno-omit-frame-pointer -momit-leaf-frame-pointer
#-----------------------------------------------
# detect what platform we're building on