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From: Csaba Raduly <rcsaba@gmail.com>
To: wilhelm-eger@web.de
Cc: cygwin list <cygwin@cygwin.com>
Subject: Re: Recompilation problems opencv (python3-cv2 --> python3.8)
Date: Thu, 14 Jan 2021 09:18:30 +0100	[thread overview]
Message-ID: <CAEhDDbCqWRsLQ3vXTG_YX1SZ1imH1He7bYF-sXEaMsaLTi9cog@mail.gmail.com> (raw)
In-Reply-To: <trinity-34d462bc-fd59-487f-9b02-5aa2f844ca61-1610608110734@3c-app-webde-bap41>

Hi Wilhelm,

On Thu, 14 Jan 2021 at 08:10, wilhelm-eger--- via Cygwin
<cygwin@cygwin.com> wrote:
(snip)
> 3rdparty/lib/libittnotify.a(ittnotify_static.c.o): in function `__itt_fini_ittlib':
> /usr/src/debug/opencv-3.4.1-2/3rdparty/ittnotify/src/ittnotify/ittnotify_static.c:1076:(.text$__itt_fini_ittlib+0x104): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `dlsym'
> 3rdparty/lib/libittnotify.a(ittnotify_static.c.o): in function `__itt_init_ittlib':
> /usr/src/debug/opencv-3.4.1-2/3rdparty/ittnotify/src/ittnotify/ittnotify_static.c:1123:(.text$__itt_init_ittlib+0x14b): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `dlopen'
> /usr/src/debug/opencv-3.4.1-2/3rdparty/ittnotify/src/ittnotify/ittnotify_static.c:1123:(.text$__itt_init_ittlib+0x155): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `dlsym'
> /usr/src/debug/opencv-3.4.1-2/3rdparty/ittnotify/src/ittnotify/ittnotify_static.c:1123:(.text$__itt_init_ittlib+0x168): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `dlclose'
> /usr/src/debug/opencv-3.4.1-2/3rdparty/ittnotify/src/ittnotify/ittnotify_static.c:1125:(.text$__itt_init_ittlib+0x2a6): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `dlopen'
> 3rdparty/lib/libittnotify.a(ittnotify_static.c.o): in function `__itt_lib_version':
> /usr/src/debug/opencv-3.4.1-2/3rdparty/ittnotify/src/ittnotify/ittnotify_static.c:1030:(.text$__itt_init_ittlib+0x2c8): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `dlsym'
> 3rdparty/lib/libittnotify.a(ittnotify_static.c.o): in function `__itt_init_ittlib':
> /usr/src/debug/opencv-3.4.1-2/3rdparty/ittnotify/src/ittnotify/ittnotify_static.c:1179:(.text$__itt_init_ittlib+0x2e4): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `dlsym'
> 3rdparty/lib/libittnotify.a(ittnotify_static.c.o): in function `__itt_lib_version':
> /usr/src/debug/opencv-3.4.1-2/3rdparty/ittnotify/src/ittnotify/ittnotify_static.c:1032:(.text$__itt_init_ittlib+0x3c6): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `dlsym'
> 3rdparty/lib/libittnotify.a(ittnotify_static.c.o): in function `__itt_init_ittlib':
> /usr/src/debug/opencv-3.4.1-2/3rdparty/ittnotify/src/ittnotify/ittnotify_static.c:1141:(.text$__itt_init_ittlib+0x41c): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `dlsym'

You need to compile with -fPIC.
Did you try searching the Internet for "relocation truncated to fit:
R_X86_64_PC32 against undefined symbol" ?

Csaba
-- 
You can get very substantial performance improvements
by not doing the right thing. - Scott Meyers, An Effective C++11/14 Sampler
So if you're looking for a completely portable, 100% standards-conformant way
to get the wrong information: this is what you want. - Scott Meyers (C++TDaWYK)

  reply	other threads:[~2021-01-14  8:18 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-14  7:08 wilhelm-eger
2021-01-14  8:18 ` Csaba Raduly [this message]
2021-01-14  9:59   ` Aw: " wilhelm-eger
2021-01-14 10:06     ` Marco Atzeri
2021-01-14 10:24       ` Aw: " wilhelm-eger
2021-01-14 22:52         ` Brian Inglis
2021-01-15  8:13           ` Aw: " wilhelm-eger
2021-01-15  9:34             ` Marco Atzeri
2021-01-15 10:49               ` ASSI
2021-01-15 11:08                 ` Marco Atzeri
2021-01-15 19:34                   ` Marco Atzeri
2021-01-19  8:09                     ` Aw: " wilhelm-eger
2021-01-15 17:14             ` Brian Inglis

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