8d3e126e83
Eventhough it should be theoretically possible to build protobuf in
static-only, configure.ac includes an m4 macro, ACX_PTHREAD defined in
m4/acx_pthread.m4, which forcibly checks for threads *with* shared libs,
and is completely broken for static-only (as it forces -shared whatever
the user selection), ending up with these configure results:
checking for the pthreads library -lpthreads... no
checking whether pthreads work without any flags... no
checking whether pthreads work with -Kthread... no
checking whether pthreads work with -kthread... no
checking for the pthreads library -llthread... no
checking whether pthreads work with -pthread... yes
checking for joinable pthread attribute... PTHREAD_CREATE_JOINABLE
checking if more special flags are required for pthreads... no
checking whether to check for GCC pthread/shared inconsistencies... yes
checking whether -pthread is sufficient with -shared... no
checking whether -lpthread fixes that... no
checking whether -lc_r fixes that... no
configure: WARNING: Impossible to determine how to use pthreads with shared libraries
checking whether what we have so far is sufficient with -nostdlib... no
checking whether -lpthread saves the day... no
configure: WARNING: Impossible to determine how to use pthreads with shared libraries and -nostdlib
Fixing this macro is far from trivial; protobuf in a static-only
scenario is probably not too common. So, just disable protobuf for
static-only builds.
Fixes:
http://autobuild.buildroot.org/results/3ef/3efb86c7e8ec2db5d953d634470cafae79bd34cf/
http://autobuild.buildroot.org/results/96a/96ae1108fc3193df2a93a779057130b774379655/
http://autobuild.buildroot.org/results/00c/00c29795980319d38823eec1301e9ebd860ebd2a/
...
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Nimai Mahajan <nimaim@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
25 lines
921 B
Plaintext
25 lines
921 B
Plaintext
comment "mosh needs a toolchain w/ C++, threads, dynamic library"
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depends on !BR2_TOOLCHAIN_HAS_THREADS || !BR2_INSTALL_LIBSTDCPP \
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|| BR2_STATIC_LIBS
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depends on !(BR2_arm || BR2_i386 || BR2_mipsel || BR2_x86_64)
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config BR2_PACKAGE_MOSH
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bool "mosh"
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depends on BR2_arm || BR2_i386 || BR2_mipsel || BR2_x86_64 # protobuf
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depends on BR2_INSTALL_LIBSTDCPP # protobuf
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depends on BR2_TOOLCHAIN_HAS_THREADS # protobuf
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depends on !BR2_STATIC_LIBS # protobuf
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depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86" # protobuf
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select BR2_PACKAGE_PROTOBUF
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select BR2_PACKAGE_NCURSES
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select BR2_PACKAGE_OPENSSL
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select BR2_PACKAGE_ZLIB
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# runtime dependency
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select BR2_PACKAGE_OPENSSH if !BR2_PACKAGE_DROPBEAR_CLIENT
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help
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Remote terminal application that supports intermittent connectivity,
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allows roaming, and provides speculative local echo and line editing
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of user keystrokes.
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https://mosh.mit.edu
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