buildrootschalter/package/boost/Config.in
Thomas Petazzoni 87dfeb10ad boost: fix build problem by always building a threaded version
Boost normally allows to build a non-threaded variant by passing
threading=single or a multi-threaded variant by passing
threading=multi.

Unfortunately, the build of threading=single doesn't seem to work any
more, due to bizarre things in the build system. We get "duplicate
target" errors, that according to
http://lists.boost.org/boost-build/2012/11/26582.php should appear if
we ask for both threading=single,multi. But it seems to happen even in
the threading=single case.

Since Boost is such a big C++ beast, it probably doesn't make much
sense to try to support it on toolchains that don't have thread
support. So, we make the boost package depend on thread support. If
someone cares enough in getting Boost to work in a non-threaded
environment, then we can always revert back.

Note that the boost package has no reverse dependencies in Buildroot,
so we don't need to propagate this new dependency anywhere.

Fixes:

  http://autobuild.buildroot.org/results/439e72ac74c8058f30977e6abc39acd6379a17d3/build-end.log

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2013-01-15 11:50:26 +01:00

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comment "boost requires a toolchain with C++, large file and thread support enabled"
depends on !BR2_INSTALL_LIBSTDCPP || !BR2_LARGEFILE || !BR2_TOOLCHAIN_HAS_THREADS
config BR2_PACKAGE_BOOST
bool "boost"
depends on BR2_INSTALL_LIBSTDCPP
depends on BR2_LARGEFILE
# Boost could theorically be built with threading=single, but
# that unfortunately doesn't work. Until someone fixes that,
# let's depend on threads.
depends on BR2_TOOLCHAIN_HAS_THREADS
select BR2_PACKAGE_BZIP2
select BR2_PACKAGE_ZLIB
help
A general purpose C++ library
http://www.boost.org/
if BR2_PACKAGE_BOOST
config BR2_PACKAGE_BOOST_CHRONO
bool "boost-chrono"
config BR2_PACKAGE_BOOST_DATE_TIME
bool "boost-date_time"
config BR2_PACKAGE_BOOST_EXCEPTION
bool "boost-exception"
config BR2_PACKAGE_BOOST_FILESYSTEM
bool "boost-filesystem"
config BR2_PACKAGE_BOOST_GRAPH
bool "boost-graph"
config BR2_PACKAGE_BOOST_GRAPH_PARALLEL
bool "boost-graph_parallel"
config BR2_PACKAGE_BOOST_IOSTREAMS
bool "boost-iostreams"
config BR2_PACKAGE_BOOST_LOCALE
depends on BR2_USE_WCHAR
bool "boost-locale"
comment "boost-locale requires a toolchain with wchar support"
depends on !BR2_USE_WCHAR
config BR2_PACKAGE_BOOST_MATH
bool "boost-math"
config BR2_PACKAGE_BOOST_MPI
bool "boost-mpi"
config BR2_PACKAGE_BOOST_PROGRAM_OPTIONS
bool "boost-program_options"
config BR2_PACKAGE_BOOST_RANDOM
bool "boost-random"
config BR2_PACKAGE_BOOST_REGEX
bool "boost-regex"
config BR2_PACKAGE_BOOST_SERIALIZATION
bool "boost-serialization"
config BR2_PACKAGE_BOOST_SIGNALS
bool "boost-signals"
config BR2_PACKAGE_BOOST_SYSTEM
bool "boost-system"
config BR2_PACKAGE_BOOST_TEST
bool "boost-test"
config BR2_PACKAGE_BOOST_THREAD
bool "boost-thread"
config BR2_PACKAGE_BOOST_TIMER
bool "boost-timer"
config BR2_PACKAGE_BOOST_WAVE
bool "boost-wave"
endif