Hello,
Could you please tell me what compiler/flags/whatever are you using to
build Wt? Does 3.2.1 build fine?
On Wed, Feb 27, 2013 at 11:44 PM, Nathan Ridge <[email protected]>wrote:
>
> Hi,
>
> A colleague and I are experiencing a recurring error when
> building/rebuilding Wt on Ubuntu 10.04:
>
> ../src/Wt/Dbo/backend/libwtdbosqlite3.a(sqlite3.o): In function
> `unixDlError':
> /home/danny/lib/wt/stage/wt-3.2.3/src/Wt/Dbo/backend/amalgamation/sqlite3.c:29359:
> undefined reference to `dlerror'
> ../src/Wt/Dbo/backend/libwtdbosqlite3.a(sqlite3.o): In function
> `unixDlClose':
> /home/danny/lib/wt/stage/wt-3.2.3/src/Wt/Dbo/backend/amalgamation/sqlite3.c:29390:
> undefined reference to `dlclose'
> ../src/Wt/Dbo/backend/libwtdbosqlite3.a(sqlite3.o): In function
> `unixDlSym':
> /home/danny/lib/wt/stage/wt-3.2.3/src/Wt/Dbo/backend/amalgamation/sqlite3.c:29386:
> undefined reference to `dlsym'
> ../src/Wt/Dbo/backend/libwtdbosqlite3.a(sqlite3.o): In function
> `unixDlOpen':
> /home/danny/lib/wt/stage/wt-3.2.3/src/Wt/Dbo/backend/amalgamation/sqlite3.c:29345:
> undefined reference to `dlopen'
> /home/danny/lib/boost/boost-trunk/stage/lib/libboost_thread.a(thread.o):
> In function `boost::this_thread::hiden::sleep_for(timespec const&)':
> thread.cpp:(.text+0xf50): undefined reference to `clock_gettime'
> /home/danny/lib/boost/boost-trunk/stage/lib/libboost_thread.a(thread.o):
> In function `boost::this_thread::hiden::sleep_until(timespec const&)':
> thread.cpp:(.text+0x157d): undefined reference to `clock_gettime'
> thread.cpp:(.text+0x15eb): undefined reference to `clock_gettime'
> thread.cpp:(.text+0x1659): undefined reference to `clock_gettime'
> thread.cpp:(.text+0x16c7): undefined reference to `clock_gettime'
> /home/danny/lib/boost/boost-trunk/stage/lib/libboost_thread.a(thread.o):thread.cpp:(.text+0x1735):
> more undefined references to `clock_gettime' follow
>
> The problem can be fixed by adding the flags "-lrt" (for clock_gettime) and
> "-ldl" (for dlerror/dlclose/dlsym/dlopen) to the linker invocation that
> causes these errors. We worked around the problem by adding these flags
> manually to the linker invocation, but a proper solution would involve
> getting CMake to add them. Should I file a bug for this?
>
> Thanks,
> Nate
>
>
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--
Pau Garcia i Quiles
http://www.elpauer.org
(Due to my workload, I may need 10 days to answer)
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