Xcode5.1 complier nesc error

[liminglu]

Hi,

$ make 

make nesc while I meet a problem as follow,

gcc -DHAVE_CONFIG_H -I. -I..  -DNMEMDEBUG -DNDEBUG -O9     -g -Wall -Wno-long-double -MT regions.o -MD -MP -MF .deps/regions.Tpo -c -o regions.o regions.c
warning: unknown warning option '-Wno-long-double'; did you mean '-Wno-long-long'? [-Wunknown-warning-option]
error: invalid value '9' in '-O9'
make[3]: *** [regions.o] Error 1
make[2]: *** [all-recursive] Error 1
make[1]: *** [all] Error 2
make: *** [all-recursive] Error 1

gcc version

Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 5.1 (clang-503.0.38) (based on LLVM 3.4svn)
Target: x86_64-apple-darwin13.1.0
Thread model: posix

MacOS version

10.9.2

Hope to reply!Thx~

[bradjc]

I believe I ran into this before and I can't remember if I found a work around or just used gcc and not llvm.

[dgay42]

Switched libcompat to -O2 in b044674

[cire831]

Does switching libcompat to -O2 in b044674 fix problem?