on Sat Jun 02 2012, Peter Kümmel <syntheticpp-hi6Y0CQ0nG0-AT-public.gmane.org>
wrote:
> On 02.06.2012 21:21, Peter Kümmel wrote:
>> On 02.06.2012 19:54, Rolf Eike Beer wrote:
>>>
>>> It will look into e.g. /usr/lib and /usr/lib64
>>> (depending on your system), but not into /usr/lib/x86_64-linux-gnu. You
>>> can tell it to try by setting CMAKE_PREFIX_PATH=/usr/lib/x86_64-linux-gnu
>
>>> before calling CMake.
>>
>> But the doku says it looks into "<prefix>/lib/<arch> if
>> CMAKE_LIBRARY_ARCHITECTURE is set",
>> and when I test it with cmake 2.8.8 and 2.8.5 this simple CMAkeLists.txt,
>>
>> cmake_minimum_required(VERSION 2.8)
>> message(STATUS "CMAKE_LIBRARY_ARCHITECTURE: ${CMAKE_LIBRARY_ARCHITECTURE}")
>> Find_PACKAGE(BZip2 REQUIRED)
>>
>> finds libbzip2:
>>
>> -- CMAKE_LIBRARY_ARCHITECTURE: x86_64-linux-gnu
>> -- Found BZip2: /usr/lib/x86_64-linux-gnu/libbz2.so (found version "1.0.5")
>> -- Looking for BZ2_bzCompressInit in /usr/lib/x86_64-linux-gnu/libbz2.so
>> -- Looking for BZ2_bzCompressInit in /usr/lib/x86_64-linux-gnu/libbz2.so -
>> found
>>
>> Dave is CMAKE_LIBRARY_ARCHITECTURE set on your system?
>
> $ cmake .. --trace 2>&1 | grep x86
>
> gives here:
>
> /home/synth/t/CMakeFiles/CMakeSystem.cmake(6): SET(CMAKE_SYSTEM_PROCESSOR
> x86_64 )
> /home/synth/t/CMakeFiles/CMakeSystem.cmake(11):
> SET(CMAKE_HOST_SYSTEM_PROCESSOR x86_64 )
> /home/synth/t/CMakeFiles/CMakeCCompiler.cmake(32):
> SET(CMAKE_C_LIBRARY_ARCHITECTURE x86_64-linux-gnu )
> /home/synth/t/CMakeFiles/CMakeCCompiler.cmake(43):
> SET(CMAKE_LIBRARY_ARCHITECTURE x86_64-linux-gnu )
> /home/synth/t/CMakeFiles/CMakeCCompiler.cmake(50):
> SET(CMAKE_C_IMPLICIT_LINK_DIRECTORIES
> /usr/lib/gcc/x86_64-linux-gnu/4.6.1;/usr/lib/x86_64-linux-gnu;/usr/lib;/lib/x86_64-linux-gnu;/lib
> )
Further:
--8<---------------cut here---------------start------------->8---
dave@Ubu12:/tmp/qb/build$ ~/bin/cmake ../src --trace 2>&1 | grep
CMakeCCompiler.cmake
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(1): SET(CMAKE_C_COMPILER
/usr/bin/gcc )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(2): SET(CMAKE_C_COMPILER_ARG1 )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(3): SET(CMAKE_C_COMPILER_ID GNU )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(4): SET(CMAKE_C_COMPILER_VERSION
4.6.3 )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(5): SET(CMAKE_C_PLATFORM_ID
Linux )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(7): SET(CMAKE_AR /usr/bin/ar )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(8): SET(CMAKE_RANLIB
/usr/bin/ranlib )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(9): SET(CMAKE_LINKER /usr/bin/ld
)
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(10): SET(CMAKE_COMPILER_IS_GNUCC
1 )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(11): SET(CMAKE_C_COMPILER_LOADED
1 )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(12): SET(CMAKE_COMPILER_IS_MINGW
)
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(13):
SET(CMAKE_COMPILER_IS_CYGWIN )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(14): IF(CMAKE_COMPILER_IS_CYGWIN
)
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(19):
SET(CMAKE_C_COMPILER_ENV_VAR CC )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(21): IF(CMAKE_COMPILER_IS_MINGW )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(24): SET(CMAKE_C_COMPILER_ID_RUN
1 )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(25):
SET(CMAKE_C_SOURCE_FILE_EXTENSIONS c )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(26):
SET(CMAKE_C_IGNORE_EXTENSIONS h;H;o;O;obj;OBJ;def;DEF;rc;RC )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(27):
SET(CMAKE_C_LINKER_PREFERENCE 10 )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(30): SET(CMAKE_C_SIZEOF_DATA_PTR
)
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(31): SET(CMAKE_C_COMPILER_ABI )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(32):
SET(CMAKE_C_LIBRARY_ARCHITECTURE )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(34): IF(CMAKE_C_SIZEOF_DATA_PTR )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(38): IF(CMAKE_C_COMPILER_ABI )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(42):
IF(CMAKE_C_LIBRARY_ARCHITECTURE )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(46): SET(CMAKE_C_HAS_ISYSROOT )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(49):
SET(CMAKE_C_IMPLICIT_LINK_LIBRARIES )
/tmp/qb/build/CMakeFiles/CMakeCCompiler.cmake(50):
SET(CMAKE_C_IMPLICIT_LINK_DIRECTORIES )
--8<---------------cut here---------------end--------------->8---
--
Dave Abrahams
BoostPro Computing
http://www.boostpro.com
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