kumquat-buildroot/package/fio/Config.in

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config BR2_PACKAGE_FIO
bool "fio"
depends on BR2_USE_MMU # fork()
depends on !BR2_STATIC_LIBS
depends on BR2_TOOLCHAIN_HAS_SYNC_4
depends on BR2_TOOLCHAIN_HAS_THREADS
# fio uses posix_madvise(), which is not part of any official
# release of uClibc, but is part of uClibc Git, and backported
# in Buildroot patch set of uClibc 0.9.33. Therefore, we
# disable the build of fio for external uClibc toolchains
# (which use an unknown uClibc version)
depends on !BR2_TOOLCHAIN_EXTERNAL_UCLIBC
# fio uses fallocate() which becomes fallocate64() while compiling with
# largefile support, but fallocate64() is not available on nios2
depends on !BR2_nios2
help
fio is an I/O tool meant to be used both for benchmark
and stress/hardware verification.
http://git.kernel.dk/?p=fio.git;a=summary
comment "fio needs a toolchain w/ dynamic library, threads"
depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS
depends on BR2_TOOLCHAIN_HAS_SYNC_4
depends on !BR2_nios2
depends on BR2_USE_MMU