Issue is linking dynamic libraries of QT with our internal memory manager I have two excutables Excutable myExec: One in which I do no have QT libaries integrated (do not have gui appikcation) and have a internal memort manager code . The memory manager is integrated as a statci library libmem.a Some code of memory manager is file myMem,cc static myMem dummy; // this will trigger UMem initialization this MUST // happen before any other static constructors // which call new (otherwise assertion will fail)! / overload default new and delete to the default pool void* operator new(size_t sz) { // always_assert(sz); return myMem::newMem(sz); } ldd for myExec is linux-vdso.so.1 => (0x00007fff8a5e9000) libncurses.so.5 => /usr/lib64/libncurses.so.5 (0x00000034cb800000) libpthread.so.0 => /lib64/libpthread.so.0 (0x00000034b9600000) libdl.so.2 => /lib64/libdl.so.2 (0x00000034b8e00000) librt.so.1 => /lib64/librt.so.1 (0x00000034bde00000) libX11.so.6 => /usr/lib64/libX11.so.6 (0x00000034b9e00000) libm.so.6 => /lib64/libm.so.6 (0x00000034b8a00000) libc.so.6 => /lib64/libc.so.6 (0x00000034b8600000) /lib64/ld-linux-x86-64.so.2 (0x00000034b8200000) libXau.so.6 => /usr/lib64/libXau.so.6 (0x00000034ba200000) libXdmcp.so.6 => /usr/lib64/libXdmcp.so.6 (0x00000034b9a00000) the executable is working fine gdb trace of intializing the memoray manager in this case is as follows 0 UMem::init () at mem/UMem.cc:261 #1 0x0000000003e8685b in UMem (this=<optimized out>) at mem/UMem.h:78 #2 __static_initialization_and_destruction_0 (__initialize_p=1, __priority=101) at mem/UMem.cc:34 #3 0x0000000003e8688e in _GLOBAL__sub_I.00101_UMem.cc(void) () at mem/UMem.cc:624 #4 0x00000000041e11dd in __libc_csu_init () #5 0x00000039af01ecf0 in __libc_start_main () from /lib64/libc.so.6 #6 0x00000000017361b1 in _start () the above flow is fine But------------------------------------- But I have another executable ( myExecGUI) with additional QT shared libaries inetgrated the ldd of myExecGUI inux-vdso.so.1 => (0x00007fff27488000) libNlView.so => not found libQtCore.so.4 => /usr/lib64/libQtCore.so.4 (0x00000039b9800000) libQtGui.so.4 => /usr/lib64/libQtGui.so.4 (0x00000039bb200000) libqscintilla2.so.1 => not found libqwt.so.5 => not found libncurses.so.5 => /lib64/libncurses.so.5 (0x00000039bc800000) libpthread.so.0 => /lib64/libpthread.so.0 (0x00000039af400000) libdl.so.2 => /lib64/libdl.so.2 (0x00000039af800000) librt.so.1 => /lib64/librt.so.1 (0x00000039b0000000) libX11.so.6 => /usr/lib64/libX11.so.6 (0x00000039b2000000) libm.so.6 => /lib64/libm.so.6 (0x00000039aec00000) libc.so.6 => /lib64/libc.so.6 (0x00000039af000000) /lib64/ld-linux-x86-64.so.2 (0x00000039ae800000) libz.so.1 => /lib64/libz.so.1 (0x00000039afc00000) libgthread-2.0.so.0 => /lib64/libgthread-2.0.so.0 (0x00000039b1000000) libglib-2.0.so.0 => /lib64/libglib-2.0.so.0 (0x00000039b0400000) libstdc++.so.6 => /usr/lib64/libstdc++.so.6 (0x00000039b5800000) libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00000039b5400000) libpng12.so.0 => /usr/lib64/libpng12.so.0 (0x00000039b3400000) libfreetype.so.6 => /usr/lib64/libfreetype.so.6 (0x00000039b2400000) libgobject-2.0.so.0 => /lib64/libgobject-2.0.so.0 (0x00000039b1400000) libSM.so.6 => /usr/lib64/libSM.so.6 (0x00000039b7800000) libICE.so.6 => /usr/lib64/libICE.so.6 (0x00000039b6c00000) libXi.so.6 => /usr/lib64/libXi.so.6 (0x00000039b4400000) libXrender.so.1 => /usr/lib64/libXrender.so.1 (0x00000039b3800000) libXrandr.so.2 => /usr/lib64/libXrandr.so.2 (0x00000039b3c00000) libXfixes.so.3 => /usr/lib64/libXfixes.so.3 (0x00000039b4800000) libXcursor.so.1 => /usr/lib64/libXcursor.so.1 (0x00000039b5000000) libXinerama.so.1 => /usr/lib64/libXinerama.so.1 (0x00000039b4c00000) libfontconfig.so.1 => /usr/lib64/libfontconfig.so.1 (0x00000039b3000000) libXext.so.6 => /usr/lib64/libXext.so.6 (0x00000039b2c00000) libtinfo.so.5 => /lib64/libtinfo.so.5 (0x00000039c4000000) libxcb.so.1 => /usr/lib64/libxcb.so.1 (0x00000039b1c00000) libuuid.so.1 => /lib64/libuuid.so.1 (0x00000039b6000000) libexpat.so.1 => /lib64/libexpat.so.1 (0x00000039b2800000) libXau.so.6 => /usr/lib64/libXau.so.6 (0x00000039b1800000) When I start thi tool the tool crashes becuase in this case my memory manager is not intialized and QT libraries calls new and new i overloaded in memory manager. gstack *** #0 0x0000003ddd0db4c0 in __read_nocancel () from /lib64/libc.so.6 #1 0x0000003ddd071ce8 in _IO_new_file_underflow () from /lib64/libc.so.6 #2 0x0000003ddd0737ee in _IO_default_uflow_internal () from /lib64/libc.so.6 #3 0x0000003ddd067eca in _IO_getline_info_internal () from /lib64/libc.so.6 #4 0x0000003ddd066d29 in fgets () from /lib64/libc.so.6 #5 0x0000000003f2e934 in USignal::printBacktrace(int, bool) () #6 0x0000000003f2e6ae in USignal::printBacktrace(int) () #7 0x0000000003f2ea72 in USys::uabort(char const*, unsigned int, char const*) () #8 0x0000000004024a98 in operator new(unsigned long) () #9 0x00002b39a08f753f in resource_file_handler() () from /home/rlalwani/Projects/new_static_builds/tools/pkg/Linux-x86_64-O/qt-4.3.3/lib/libQtCore.so.4 #10 0x00002b39a08f75e9 in qt_force_resource_init() () from /home/rlalwani/Projects/new_static_builds/tools/pkg/Linux-x86_64-O/qt-4.3.3/lib/libQtCore.so.4 #11 0x00002b39a08fb3a9 in global constructors keyed to _ZN16QResourcePrivate5clearEv () from /home/rlalwani/Projects/new_static_builds/tools/pkg/Linux-x86_64-O/qt-4.3.3/lib/libQtCore.so.4 #12 0x00002b39a095d126 in __do_global_ctors_aux () from /home/rlalwani/Projects/new_static_builds/tools/pkg/Linux-x86_64-O/qt-4.3.3/lib/libQtCore.so.4 #13 0x00002b39a088c2cb in _init () from /home/rlalwani/Projects/new_static_builds/tools/pkg/Linux-x86_64-O/qt-4.3.3/lib/libQtCore.so.4 #14 0x00002b39a186e320 in ?? () #15 0x0000003ddc80e605 in _dl_init_internal () from /lib64/ld-linux-x86-64.so.2 #16 0x0000003ddc800b3a in _dl_start_user () from /lib64/ld-linux-x86-64.so.2 #17 0x0000000000000002 in ?? () ================================================================================================================================================ Since mymemory manager class myMem is global static variable declared in myMem.cc is there any use a linker argument stating that all the objects of a library have to be included let me know how to solve this problem

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Segmentation fault when linking my internal static library with Qtdy

Unsolved Qt Creator and other tools

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