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) -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
