我有一个操作系统，编译时没有可用的 -mthread。我有 -pthread。如何用-pthread而不是-mthread编译boost_thread？
我当前的编译器构建日志:
./b2 -j1 --with-thread link=static --prefix=./install-dir release threading=multi --builddir=./bu
ild-dir install
Component configuration:
- chrono : not building
- context : not building
- date_time : not building
- exception : not building
- filesystem : not building
- graph : not building
- graph_parallel : not building
- iostreams : not building
- locale : not building
- math : not building
- mpi : not building
- program_options : not building
- python : not building
- random : not building
- regex : not building
- serialization : not building
- signals : not building
- system : not building
- test : not building
- thread : building
- timer : not building
- wave : not building
...patience...
...found 19764 targets...
...updating 16 targets...
gcc.compile.c++ bin.v2/libs/system/build/gcc-4.2.1/release/link-static/threading-multi/error_code.o
cc1plus: error: unrecognized command line option "-mthreads"
"g++" -ftemplate-depth-128 -O3 -finline-functions -Wno-inline -Wall -pedantic -mthreads -DBOOST_ALL_NO_LIB=1 -DBOOST_SYSTEM_STATIC_LINK=1 -DNDEBUG -I"." -c -o "bin.v2\libs\system\build\gcc-4.2.
1\release\link-static\threading-multi\error_code.o" "libs\system\src\error_code.cpp"
...failed gcc.compile.c++ bin.v2/libs/system/build/gcc-4.2.1/release/link-static/threading-multi/error_code.o...
...skipped <pbin.v2/libs/system/build/gcc-4.2.1/release/link-static/threading-multi>libboost_system.a(clean) for lack of <pbin.v2/libs/system/build/gcc-4.2.1/release/link-static/threading-multi>error_
code.o...
...skipped <pbin.v2/libs/system/build/gcc-4.2.1/release/link-static/threading-multi>libboost_system.a for lack of <pbin.v2/libs/system/build/gcc-4.2.1/release/link-static/threading-multi>error_code.o.
..
...skipped <pinstall-dir/lib>libboost_system.a for lack of <pbin.v2/libs/system/build/gcc-4.2.1/release/link-static/threading-multi>libboost_system.a...
gcc.compile.c++ bin.v2/libs/chrono/build/gcc-4.2.1/release/link-static/threading-multi/chrono.o
cc1plus: error: unrecognized command line option "-mthreads"
"g++" -ftemplate-depth-128 -O3 -finline-functions -Wno-inline -Wall -pedantic -mthreads -Wextra -Wno-long-long -pedantic -DBOOST_ALL_NO_LIB=1 -DBOOST_All_STATIC_LINK=1 -DBOOST_SYSTEM_NO_DEPRECATE
D -DBOOST_SYSTEM_STATIC_LINK=1 -DNDEBUG -I"." -c -o "bin.v2\libs\chrono\build\gcc-4.2.1\release\link-static\threading-multi\chrono.o" "libs\chrono\src\chrono.cpp"
...failed gcc.compile.c++ bin.v2/libs/chrono/build/gcc-4.2.1/release/link-static/threading-multi/chrono.o...
gcc.compile.c++ bin.v2/libs/chrono/build/gcc-4.2.1/release/link-static/threading-multi/thread_clock.o
cc1plus: error: unrecognized command line option "-mthreads"
"g++" -ftemplate-depth-128 -O3 -finline-functions -Wno-inline -Wall -pedantic -mthreads -Wextra -Wno-long-long -pedantic -DBOOST_ALL_NO_LIB=1 -DBOOST_All_STATIC_LINK=1 -DBOOST_SYSTEM_NO_DEPRECATE
D -DBOOST_SYSTEM_STATIC_LINK=1 -DNDEBUG -I"." -c -o "bin.v2\libs\chrono\build\gcc-4.2.1\release\link-static\threading-multi\thread_clock.o" "libs\chrono\src\thread_clock.cpp"
...failed gcc.compile.c++ bin.v2/libs/chrono/build/gcc-4.2.1/release/link-static/threading-multi/thread_clock.o...
gcc.compile.c++ bin.v2/libs/chrono/build/gcc-4.2.1/release/link-static/threading-multi/process_cpu_clocks.o
cc1plus: error: unrecognized command line option "-mthreads"
"g++" -ftemplate-depth-128 -O3 -finline-functions -Wno-inline -Wall -pedantic -mthreads -Wextra -Wno-long-long -pedantic -DBOOST_ALL_NO_LIB=1 -DBOOST_All_STATIC_LINK=1 -DBOOST_SYSTEM_NO_DEPRECATE
D -DBOOST_SYSTEM_STATIC_LINK=1 -DNDEBUG -I"." -c -o "bin.v2\libs\chrono\build\gcc-4.2.1\release\link-static\threading-multi\process_cpu_clocks.o" "libs\chrono\src\process_cpu_clocks.cpp"
...failed gcc.compile.c++ bin.v2/libs/chrono/build/gcc-4.2.1/release/link-static/threading-multi/process_cpu_clocks.o...
...skipped <pbin.v2/libs/chrono/build/gcc-4.2.1/release/link-static/threading-multi>libboost_chrono.a(clean) for lack of <pbin.v2/libs/chrono/build/gcc-4.2.1/release/link-static/threading-multi>chrono
.o...
...skipped <pbin.v2/libs/chrono/build/gcc-4.2.1/release/link-static/threading-multi>libboost_chrono.a for lack of <pbin.v2/libs/chrono/build/gcc-4.2.1/release/link-static/threading-multi>chrono.o...
...skipped <pinstall-dir/lib>libboost_chrono.a for lack of <pbin.v2/libs/chrono/build/gcc-4.2.1/release/link-static/threading-multi>libboost_chrono.a...
gcc.compile.c++ bin.v2/libs/thread/build/gcc-4.2.1/release/link-static/threading-multi/pthread/thread.o
cc1plus: error: unrecognized command line option "-mthreads"
"g++" -ftemplate-depth-128 -O3 -finline-functions -Wno-inline -Wall -pedantic -mthreads -Wextra -Wno-long-long -pedantic -DBOOST_ALL_NO_LIB=1 -DBOOST_CHRONO_STATIC_LINK=1 -DBOOST_SYSTEM_NO_DEPREC
ATED -DBOOST_SYSTEM_STATIC_LINK=1 -DBOOST_THREAD_BUILD_LIB=1 -DBOOST_THREAD_POSIX -DNDEBUG -I"." -c -o "bin.v2\libs\thread\build\gcc-4.2.1\release\link-static\threading-multi\pthread\thread.o" "libs\
thread\src\pthread\thread.cpp"
...failed gcc.compile.c++ bin.v2/libs/thread/build/gcc-4.2.1/release/link-static/threading-multi/pthread/thread.o...
gcc.compile.c++ bin.v2/libs/thread/build/gcc-4.2.1/release/link-static/threading-multi/pthread/once.o
cc1plus: error: unrecognized command line option "-mthreads"
"g++" -ftemplate-depth-128 -O3 -finline-functions -Wno-inline -Wall -pedantic -mthreads -Wextra -Wno-long-long -pedantic -DBOOST_ALL_NO_LIB=1 -DBOOST_CHRONO_STATIC_LINK=1 -DBOOST_SYSTEM_NO_DEPREC
ATED -DBOOST_SYSTEM_STATIC_LINK=1 -DBOOST_THREAD_BUILD_LIB=1 -DBOOST_THREAD_POSIX -DNDEBUG -I"." -c -o "bin.v2\libs\thread\build\gcc-4.2.1\release\link-static\threading-multi\pthread\once.o" "libs\th
read\src\pthread\once.cpp"
...failed gcc.compile.c++ bin.v2/libs/thread/build/gcc-4.2.1/release/link-static/threading-multi/pthread/once.o...
gcc.compile.c++ bin.v2/libs/thread/build/gcc-4.2.1/release/link-static/threading-multi/future.o
cc1plus: error: unrecognized command line option "-mthreads"
"g++" -ftemplate-depth-128 -O3 -finline-functions -Wno-inline -Wall -pedantic -mthreads -Wextra -Wno-long-long -pedantic -DBOOST_ALL_NO_LIB=1 -DBOOST_CHRONO_STATIC_LINK=1 -DBOOST_SYSTEM_NO_DEPREC
ATED -DBOOST_SYSTEM_STATIC_LINK=1 -DBOOST_THREAD_BUILD_LIB=1 -DBOOST_THREAD_POSIX -DNDEBUG -I"." -c -o "bin.v2\libs\thread\build\gcc-4.2.1\release\link-static\threading-multi\future.o" "libs\thread\s
rc\future.cpp"
...failed gcc.compile.c++ bin.v2/libs/thread/build/gcc-4.2.1/release/link-static/threading-multi/future.o...
...skipped <pbin.v2/libs/thread/build/gcc-4.2.1/release/link-static/threading-multi>libboost_thread.a(clean) for lack of <pbin.v2/libs/thread/build/gcc-4.2.1/release/link-static/threading-multi>pthrea
d/thread.o...
...skipped <pbin.v2/libs/thread/build/gcc-4.2.1/release/link-static/threading-multi>libboost_thread.a for lack of <pbin.v2/libs/thread/build/gcc-4.2.1/release/link-static/threading-multi>pthread/threa
d.o...
...skipped <pinstall-dir/lib>libboost_thread.a for lack of <pbin.v2/libs/thread/build/gcc-4.2.1/release/link-static/threading-multi>libboost_thread.a...
...failed updating 7 targets...
...skipped 9 targets...
是否有可能以某种方式修补 boost_thread 以使用我的编译器在我的平台上进行编译，以便使 boost_thread 认为它应该使用 -pthread 进行编译？
平台 - 旧的，经过大量修改的 cigwin，gcc-4.2.1
最佳答案
你可以试试打补丁tools/build/v2/tools/gcc.jam
1017 rule setup-threading ( targets * : sources * : properties * )
1018 {
1019 local threading = [ feature.get-values threading : $(properties) ] ;
1020 if $(threading) = multi
1021 {
1022 local target = [ feature.get-values target-os : $(properties) ] ;
1023 local option ;
1024 local libs ;
1025
1026 switch $(target)
1027 {
1028 case windows : option = -mthreads ;
1029 case cygwin : option = -mthreads ;
1030 case solaris : option = -pthreads ; libs = rt ;
1031 case beos : # No threading options.
1032 case *bsd : option = -pthread ; # There is no -lrt on BSD.
1033 case sgi : # gcc on IRIX does not support multi-threading.
1034 case darwin : # No threading options.
1035 case * : option = -pthread ; libs = rt ;
1036 }
1037
如果您提供更多信息，我可以尽力帮助您。
关于c++ - 如何用 "-pthread"而不是 "-mthread"编译 boost_thread？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/12983748/
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