June 2003 - Boost-users - lists.preview.boost.org

No more than 10 types in boost::tuple?
by Tarjei Knapstad 02 Jun '03

02 Jun '03

I tried constructing a tuple with 12 types today without much luck. I've read through the headers to see if there was any obvious way of getting around the 10 limit but couldn't find one (I half expected to find something along the way of vectorxx<>, in MPL). Am I being stupid, or is there really no way of constructing a tuple with more than 10 elements? Also, are there any plans of integrating and/or making boost::tuple dependant on the MPL? I realize that tuple predates the MPL, but there's no use in duplicating efforts. boost::tuple has it's own compile time IF<> and also provides it's own typelist class which are both readily available in the MPL. Cheers, -- Tarjei

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How to compile jam.exe with Visual Studio .NET (Win2000) where to download it?
by rasasenkuviene 01 Jun '03

01 Jun '03

I was trying to build boost-jam and boost-build executable with build.bat in Visual Studio .NET (Windows 2000) from downloaded sources. However, ended with single non-functional jam0.exe and truncated to zero length my own compiler cl.exe from Visual Studio .NET. Nmake coul'nt be used, because makefiles were not included. What is going on? How to compile or obtain needed boost-jam or boost-build executables under Windows2000? Or this BOOST is intended for UNIX only?

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Newbee Questions on Directory Structure of Boost Libs.
by Adalbert Perbandt 01 Jun '03

01 Jun '03

Hi there, I'm new to Boost and have some problems understanding the way Boost libs. are built and installed. I downloaded boost_1_30_0. unpacked the archive and built the test library (I had installed bjam previously). I did the build step on two different platforms and with different compilers: - On Linux (RedHat 7.3) with gcc/3.2.2 and - on Sun SPARC Solaris 2.7 with Sun's Forte 6.2 compiler. I created an installation directory /opt/boost_1.30.0. Into this directory I copied the directory tree below boost/test and libs/test: /opt/boost_1.30.0/boost/test/... /opt/boost_1.30.0/libs/test/... I think so far everything is correct, isn't it? I do not completely understand the directory structure generated during the build process: ../boost_1_30_0/libs/test/build/bin/libboost_prg_exec_monitor.a /libboost_prg_exec_monitor.so /libboost_test_exec_monitor.a /libboost_test_exec_monitor.so /libboost_unit_test_framework.a /libboost_unit_test_framework.so Below the directories given above a specific subdirectory tree was created. Example: .../libboost_prg_exec_monitor.a/ /sunpro/ /debug/ /runtime-link-dynamic/ /runtime-link-static/ /threading-multi/libboost_prg_exec_monitor.a /threading-single/libboost_prg_exec_monitor.a >From this I conclude: 1. The builds are separated from each other in compiler specific subdirectory trees, e.g. the "sunpro" subtree contains the build results from $ bjam "-sTOOLS=sunpro" i.e. the sun forte 6.2 compiler and the "gcc" subtree contains the build results from $ bjam "-sTOOLS=gcc" i.e. the gcc 3.2.2 compiler on Linux. Obviously there is no separation by OS platform (Solaris or Linux). What would I have to do to build the lib. with gcc on Solaris? Where would the products be installed? Furthermore there is no separation by compiler version (e.g. gcc 2.95.2 is not separated from gcc 3.2.2). Is this considered unnecessary? 2. The libs were built with debug symbols (-g option) only), correct? I'm not familiar with jam and therefore don't know what to do to get them built with optimization active. It seems to me as if this should be rather simple because in ../boost_1_30_0/tools/build/sunpro-tools.jam obviously two variants of the CFLAGS variable for optimization are defined: flags sunpro CFLAGS <optimization>speed : -fast -O4 ; flags sunpro CFLAGS <optimization>space : -O2 -xspace ; Any hints are welcome. Thanks, Adalbert Perbandt.

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