From 48be99d20753ecab8817b030b95a7f1260aa777f Mon Sep 17 00:00:00 2001 From: Fabrice Fontaine Date: Wed, 5 Sep 2018 12:04:15 +0200 Subject: [PATCH 17/17] fix static detection of lock-free atomic ints MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When build statically, boost is unable to detect lock-free atomics ints because it tries to link dynamically with boost_system, see output/build/boost-1.67.0/bin.v2/config.log (with -d5 option): Using shell: /bin/sh -c argv[0] = '/bin/sh' argv[1] = '-c' argv[2] = ' "/home/fabrice/buildroot/output/host/bin/arm-linux-g++" -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -Wl,-elf2flt -static -Wl,-elf2flt -static -fPIC -pthread -O0 -fno-inline -Wall -pedantic -g -Wextra -Wno-long-long -Wno-unused-parameter -Wunused-function -pedantic -DBOOST_ALL_NO_LIB=1 -DBOOST_SYSTEM_DYN_LINK=1 -DBOOST_THREAD_BUILD_DLL=1 -I"." -c -o "bin.v2/libs/thread/build/gcc-6.4.0/debug/threading-multi/has_atomic_flag_lockfree_test.o" "libs/thread/src/../build/has_atomic_flag_lockfree_test.cpp" ' gcc.compile.c++ bin.v2/libs/thread/build/gcc-6.4.0/debug/threading-multi/has_atomic_flag_lockfree_test.o "/home/fabrice/buildroot/output/host/bin/arm-linux-g++" -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -Wl,-elf2flt -static -Wl,-elf2flt -static -fPIC -pthread -O0 -fno-inline -Wall -pedantic -g -Wextra -Wno-long-long -Wno-unused-parameter -Wunused-function -pedantic -DBOOST_ALL_NO_LIB=1 -DBOOST_SYSTEM_DYN_LINK=1 -DBOOST_THREAD_BUILD_DLL=1 -I"." -c -o "bin.v2/libs/thread/build/gcc-6.4.0/debug/threading-multi/has_atomic_flag_lockfree_test.o" "libs/thread/src/../build/has_atomic_flag_lockfree_test.cpp" 0.033561 sec system; 0.126314 sec user; 288.682473 sec clock gcc.compile.c++ bin.v2/libs/system/build/gcc-6.4.0/debug/threading-multi/error_code.o "/home/fabrice/buildroot/output/host/bin/arm-linux-g++" -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -Wl,-elf2flt -static -Wl,-elf2flt -static -fPIC -pthread -O0 -fno-inline -Wall -pedantic -g -DBOOST_ALL_NO_LIB=1 -DBOOST_SYSTEM_DYN_LINK=1 -I"." -c -o "bin.v2/libs/system/build/gcc-6.4.0/debug/threading-multi/error_code.o" "libs/system/src/error_code.cpp" 0.084060 sec system; 0.644133 sec user; 8.858824 sec clock SEM: gcc-link-semaphore now used by libboost_system.so.1.67.0 Using shell: /bin/sh -c argv[0] = '/bin/sh' argv[1] = '-c' argv[2] = ' "/home/fabrice/buildroot/output/host/bin/arm-linux-g++" -o "bin.v2/libs/system/build/gcc-6.4.0/debug/threading-multi/libboost_system.so.1.67.0" -Wl,-h -Wl,libboost_system.so.1.67.0 -shared -Wl,--start-group "bin.v2/libs/system/build/gcc-6.4.0/debug/threading-multi/error_code.o" -Wl,-Bstatic -Wl,-Bdynamic -lrt -Wl,--end-group -fPIC -pthread -g -Wl,-elf2flt -static ' gcc.link.dll bin.v2/libs/system/build/gcc-6.4.0/debug/threading-multi/libboost_system.so.1.67.0 "/home/fabrice/buildroot/output/host/bin/arm-linux-g++" -o "bin.v2/libs/system/build/gcc-6.4.0/debug/threading-multi/libboost_system.so.1.67.0" -Wl,-h -Wl,libboost_system.so.1.67.0 -shared -Wl,--start-group "bin.v2/libs/system/build/gcc-6.4.0/debug/threading-multi/error_code.o" -Wl,-Bstatic -Wl,-Bdynamic -lrt -Wl,--end-group -fPIC -pthread -g -Wl,-elf2flt -static ld (ld-elf2flt): -shared used without passing a shared library ID collect2: error: ld a retourné le statut de sortie 1 0.003123 sec system; 0.004732 sec user; 15.646509 sec clock ...failed gcc.link.dll bin.v2/libs/system/build/gcc-6.4.0/debug/threading-multi/libboost_system.so.1.67.0... To fix this, move the exe statement before the boost/thread project Fixes: - http://autobuild.buildroot.org/results/f46d38991385cbc2a4fa14eb31074e770cd79803 Signed-off-by: Fabrice Fontaine [Upstream status: https://github.com/boostorg/thread/commit/f7581a366294c6f5381e0371c242af327c6da655] --- build/Jamfile.v2 | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libs/thread/build/Jamfile.v2 b/build/Jamfile.v2 index ce8c7f47..26d8b9c3 100644 --- a/libs/thread/build/Jamfile.v2 +++ b/libs/thread/build/Jamfile.v2 @@ -38,6 +38,8 @@ import path ; import configure ; import threadapi-feature ; +exe has_atomic_flag_lockfree : ../build/has_atomic_flag_lockfree_test.cpp ; + project boost/thread : source-location ../src : requirements multi @@ -141,8 +143,6 @@ project boost/thread /boost/system//boost_system ; -exe has_atomic_flag_lockfree : ../build/has_atomic_flag_lockfree_test.cpp ; - rule tag ( name : type ? : property-set ) { local result = $(name) ; -- 2.17.1