I had no issue compiling 1.36 on cygwin although I am not using it. Why -mwin32 and not -mno-cygwin? Personnaly, I add threadapi=win32 to BJAM_CONFIG in Makefile (after ./configure). and I use the following user-config.jam: using gcc : : : <cflags>-mno-cygwin <cflags>-DBOOST_WINDOWS_API <cxxflags>-mno-cygwin <cxxflags>-DBOOST_WINDOWS_API <compilerflags>-mno-cygwin <compilerflags>-DBOOST_WINDOWS_API <linkflags>-mno-cygwin ; Regards, F. Bron ___________________________________ Frédéric Bron (frederic.bron@alcan.com) Unité ALT, Alcan CRV, BP 27, 38341 Voreppe +33 4 76 57 81 72, +33 6 07 48 56 67 boost-users-bounces@lists.boost.org a écrit sur 24/09/2008 22:22:47 :
I have been using Boost 1.34.1 for quite awhile for a Windows application that uses both the Boost thread and asio libraries. The application builds successfully using gcc 3.4.4 on Cygwin and both MSVC 8.0 and 9.0. Now I am trying to port the application to Boost 1.36.0 and have had some problems with the gcc compiler on Cygwin. The following (or similar) errors have occured when compiling any file that includes a thread library header:
... g++ -o build/ftds/out/OutputManager.o -c -g -mwin32 -mthreads -Wall -ansi -D_REENTRANT -D__STRICT_ANSI__ -D_WIN32_WINNT=0x0501 -D__USE_W32_SOCKETS -DWIN32_LEAN_AND_MEAN -DRWDEBUG=1 -DRW_MULTI_THREAD -DZAF_BOOL_DEFINED -DZAF_POSIX -DNOMINMAX=1 -Iinclude -Ic:/cygwin/home/cvc7986/work/boost_1_36_0 -Ic:/rwave/workspaces/winxp/gcc/15s "-Ic:/Program Files/IVI Foundation/VISA/winnt/include" "-Ic:/Program Files/Agilent/IO Libraries Suite/include" -Ic:/zaf530/include source/ftds/out/OutputManager.cpp In file included from /usr/include/cygwin/sys_time.h:13, from /usr/include/sys/time.h:27, from c:/cygwin/home/cvc7986/work/boost_1_36_0/boost/date_time/c_time.hpp:28 , from c:/cygwin/home/cvc7986/work/boost_1_36_0/boost/date_time/microsec_time _clock.hpp:18, from c:/cygwin/home/cvc7986/work/boost_1_36_0/boost/thread/thread_time.hpp: 9, from c:/cygwin/home/cvc7986/work/boost_1_36_0/boost/thread/pthread/timespec .hpp:9, from c:/cygwin/home/cvc7986/work/boost_1_36_0/boost/thread/pthread/conditio n_variable.hpp:8, from c:/cygwin/home/cvc7986/work/boost_1_36_0/boost/thread/condition_variab le.hpp:16, from c:/cygwin/home/cvc7986/work/boost_1_36_0/boost/thread/condition.hpp:9, from include/cds/Server.h:29, from source/ftds/out/OutputManager.cpp:27: /usr/include/sys/select.h:31: error: `fd_set' has not been declared /usr/include/sys/select.h:31: error: `fd_set' has not been declared /usr/include/sys/select.h:31: error: `fd_set' has not been declared /usr/include/sys/select.h:33: error: `fd_set' has not been declared /usr/include/sys/select.h:33: error: `fd_set' has not been declared /usr/include/sys/select.h:33: error: `fd_set' has not been declared In file included from c:/cygwin/home/cvc7986/work/boost_1_36_0/boost/asio/detail/socket_type s.hpp:75, from c:/cygwin/home/cvc7986/work/boost_1_36_0/boost/asio/detail/win_iocp_io _service_fwd.hpp:24, from c:/cygwin/home/cvc7986/work/boost_1_36_0/boost/asio/io_service.hpp:37, from c:/cygwin/home/cvc7986/work/boost_1_36_0/boost/asio/basic_io_object.hp p:20, from c:/cygwin/home/cvc7986/work/boost_1_36_0/boost/asio/basic_datagram_soc ket.hpp:25, from c:/cygwin/home/cvc7986/work/boost_1_36_0/boost/asio.hpp:20, from include/cds/srvr/ConfigurationServer.h:26, from include/cds/Server.h:41, from source/ftds/out/OutputManager.cpp:27: /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../../include/w32api/winsock2. h:109: error: redefinition of `struct timeval' /usr/include/sys/time.h:16: error: previous definition of `struct timeval' /usr/lib/gcc/i686-pc-cygwin/3.4.4/../../../../include/w32api/winsock2. h:632: error: declaration of C function `int select(int, fd_set*, fd_set*, fd_set*, const timeval*)' conflicts with /usr/include/sys/select.h:31: error: previous declaration `int select(int, int*, int*, int*, timeval*)' here scons: *** [build/ftds/out/OutputManager.o] Error 1 ...
I was able to determine that the problem was caused by the inclusion of sys/time.h, which includes cygwin/sys_time.h, which then includes sys/select.h. The definition of struct fd_set was prevented in sys/types.h because macro __USE_W32_SOCKETS had been defined, as is required for using the asio library on Cygwin.
My temporary solution to the problem was to disable the definition of the BOOST_HAS_GETTIMEOFDAY macro in the Boost header file boost/config/platform/cygwin.hpp and to define BOOST_HAS_FTIME macro instead:
$ diff ~/work/boost_1_36_0/boost/config/platform/cygwin.hpp boost/config/platform/cygwin.hpp 27c27,32 < # define BOOST_HAS_GETTIMEOFDAY ---
// temp: # define BOOST_HAS_GETTIMEOFDAY # if !defined(__USE_W32_SOCKETS) // temp # define BOOST_HAS_GETTIMEOFDAY // temp # else // temp # define BOOST_HAS_FTIME // temp # endif // temp
This has solved the problem for me as of now, but it would be good to know if there is a better way to solve this. I was not able to find any references to this problem in any of the Boost lists.
Thanks in advance,
Carus V. (Bud) Clarke carus.v.clarke@boeing.com
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