Thanks Vladimir, it works like a charm. Kevin On 11/27/14, 1:59 PM, Vladimir Prus wrote:

On 11/27/2014 12:00 PM, Kevin Molcard wrote:

...

Hi all, I am trying to compile boost on Mac OS X 10.9.5 for 32 and 64 bit. I am using the following command:

./b2 link=static threading=multi architecture=x86 address-model=32_64

I get the following error message:

darwin.compile.c++.pch bin.v2/libs/math/build/darwin-4.2.1/release/address-model-32_64/architecture-x86/link-static/threading-multi/../src/tr1/pch.hpp.gch

clang: error: cannot use 'precompiled-header' output with multiple -arch options

"g++" -x c++-header -O3 -finline-functions -Wno-inline -Wall -gdwarf-2 -fexceptions -arch i386 -arch x86_64 -DBOOST_ALL_NO_LIB=1 -DBOOST_BUILD_PCH_ENABLED -DNDEBUG -I"." -I"libs/math/src/tr1" -c -o "bin.v2/libs/math/build/darwin-4.2.1/release/address-model-32_64/architecture-x86/link-static/threading-multi/../src/tr1/pch.hpp.gch"

"libs/math/build/../src/tr1/pch.hpp"

...failed darwin.compile.c++.pch bin.v2/libs/math/build/darwin-4.2.1/release/address-model-32_64/architecture-x86/link-static/threading-multi/../src/tr1/pch.hpp.gch...

Then 144 targets are skipped.

Does anyone knows how to fix this?

Kevin,

trying adding pch=off to your command line.

HTH,