[nix-shell:~/dev/zig-window]$ readelf -s zig-cache/bin/static-window  | grep dlopen
    10: 0000000000000000     0 FUNC    WEAK   DEFAULT  UND dlopen@GLIBC_2.2.5 (5)
  5514: 0000000000000000     0 FUNC    WEAK   DEFAULT  UND dlopen

[nix-shell:~/dev/zig-window]$ zig-dev build

[nix-shell:~/dev/zig-window]$ readelf -s zig-cache/bin/static-window  | grep dlopen
     3: 0000000000000000     0 NOTYPE  WEAK   DEFAULT  UND dlopen
  5599: 0000000000000000     0 NOTYPE  WEAK   DEFAULT  UND dlopen



#0  0x00007ffff6eff862 in __pthread_initialize_minimal ()
   from /nix/store/9df65igwjmf2wbw0gbrrgair6piqjgmi-glibc-2.31/lib/libpthread.so.0
#1  0x00007ffff6eff009 in _init ()
   from /nix/store/9df65igwjmf2wbw0gbrrgair6piqjgmi-glibc-2.31/lib/libpthread.so.0
#2  0x00007ffff7dd0528 in ?? ()
   from /nix/store/9df65igwjmf2wbw0gbrrgair6piqjgmi-glibc-2.31/lib/libc.so.6
#3  0x00007ffff7fe28fa in call_init.part ()
   from /nix/store/9df65igwjmf2wbw0gbrrgair6piqjgmi-glibc-2.31/lib/ld-linux-x86-64.so.2
#4  0x00007ffff7fe2aa6 in _dl_init ()
   from /nix/store/9df65igwjmf2wbw0gbrrgair6piqjgmi-glibc-2.31/lib/ld-linux-x86-64.so.2
#5  0x00007ffff7ef4bac in _dl_catch_exception ()
   from /nix/store/9df65igwjmf2wbw0gbrrgair6piqjgmi-glibc-2.31/lib/libc.so.6
#6  0x00007ffff7fe6990 in dl_open_worker ()
   from /nix/store/9df65igwjmf2wbw0gbrrgair6piqjgmi-glibc-2.31/lib/ld-linux-x86-64.so.2
#7  0x00007ffff7ef4b65 in _dl_catch_exception ()
   from /nix/store/9df65igwjmf2wbw0gbrrgair6piqjgmi-glibc-2.31/lib/libc.so.6
#8  0x00007ffff7fe620a in _dl_open ()
   from /nix/store/9df65igwjmf2wbw0gbrrgair6piqjgmi-glibc-2.31/lib/ld-linux-x86-64.so.2
#9  0x00007ffff7fc9246 in dlopen_doit ()
   from /nix/store/9df65igwjmf2wbw0gbrrgair6piqjgmi-glibc-2.31/lib/libdl.so.2
#10 0x00007ffff7ef4b65 in _dl_catch_exception ()
   from /nix/store/9df65igwjmf2wbw0gbrrgair6piqjgmi-glibc-2.31/lib/libc.so.6
#11 0x00007ffff7ef4bff in _dl_catch_error ()
   from /nix/store/9df65igwjmf2wbw0gbrrgair6piqjgmi-glibc-2.31/lib/libc.so.6
#12 0x00007ffff7fc98f5 in _dlerror_run ()
   from /nix/store/9df65igwjmf2wbw0gbrrgair6piqjgmi-glibc-2.31/lib/libdl.so.2
#13 0x00007ffff7fc92c6 in dlopen@@GLIBC_2.2.5 ()
   from /nix/store/9df65igwjmf2wbw0gbrrgair6piqjgmi-glibc-2.31/lib/libdl.so.2
#14 0x00000000002b53ae in loader_platform_open_library (
    libPath=0x2d1 <error: Cannot access memory at address 0x2d1>, 
    libPath@entry=0x7fffffffa2f0 "/nix/store/83pgs3yrx5v9miwk0rdb5h3z66fijaph-mesa-20.1.7-drivers/lib/libvulkan_intel.so") at src/vulkan-loader/vk_loader_platform.h:147
#15 0x00000000002ab735 in loader_scanned_icd_add (inst=inst@entry=0x7ffff7fff2a0, 
    icd_tramp_list=icd_tramp_list@entry=0x7ffff7fff308, 
    filename=filename@entry=0x7fffffffa2f0 "/nix/store/83pgs3yrx5v9miwk0rdb5h3z66fijaph-mesa-20.1.7-drivers/lib/libvulkan_intel.so", api_version=api_version@entry=4202627) at src/vulkan-loader/loader.c:2302
#16 0x00000000002ab0c9 in loader_icd_scan (inst=inst@entry=0x7ffff7fff2a0, 
    icd_tramp_list=0x7fffffffb230, icd_tramp_list@entry=0x7ffff7fff308)
    at src/vulkan-loader/loader.c:4655
#17 0x00000000002da0ff in vkCreateInstance (pCreateInfo=<optimized out>, pAllocator=<optimized out>, 
    pInstance=0x3033b0 <instance>) at src/vulkan-loader/trampoline.c:481
#18 0x0000000000265a5c in createInstance (allocator=0x302f70 <general_purpose_allocator>)
    at static-window.zig:668
#19 0x000000000025caf8 in main () at static-window.zig:69
(gdb)