unpacking sources
unpacking source archive /nix/store/giydcxlk30qis61c59skgr7pm55zw1iz-source
source root is source
patching sources
configuring
mesonConfigurePhase flags: --prefix=/nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2 --libdir=/nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/lib --libexecdir=/nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/libexec --bindir=/nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/bin --sbindir=/nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/sbin --includedir=/nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/include --mandir=/nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/share/man --infodir=/nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/share/info --localedir=/nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/share/locale -Dauto_features=enabled -Dwrap_mode=nodownload --buildtype=plain -Dbenchmarks=disabled -Ddocs=disabled
The Meson build system
Version: 1.2.3
Source dir: /private/tmp/nix-build-zix-0.4.2.drv-0/source
Build dir: /private/tmp/nix-build-zix-0.4.2.drv-0/source/build
Build type: native build
Project name: zix
Project version: 0.4.2
C compiler for the host machine: clang (clang 16.0.6 "clang version 16.0.6")
C linker for the host machine: clang ld64 609
Host machine cpu family: x86_64
Host machine cpu: x86_64
Run-time dependency threads found: YES
Checking if "clock_gettime" : links: YES 
Checking if "copy_file_range" : links: NO 
Checking if "fileno" : links: YES 
Checking if "flock" : links: YES 
Checking if "lstat" : links: YES 
Checking if "mlock" : links: YES 
Checking if "pathconf" : links: YES 
Checking if "posix_fadvise" : links: NO 
Checking if "posix_memalign" : links: YES 
Checking if "realpath" : links: YES 
Checking if "sysconf" : links: YES 
Checking if "clonefile" : links: YES 
C++ compiler for the host machine: clang++ (clang 16.0.6 "clang version 16.0.6")
C++ linker for the host machine: clang++ ld64 609
Checking if "filesystem" : links: YES 
Build targets in project: 15

zix 0.4.2

  Components
    Tests         : YES
    Benchmarks    : NO

  Directories
    Install prefix: /nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2
    Headers       : /nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/include
    Libraries     : /nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/lib

  User defined options
    auto_features : enabled
    bindir        : /nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/bin
    buildtype     : plain
    includedir    : /nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/include
    infodir       : /nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/share/info
    libdir        : /nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/lib
    libexecdir    : /nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/libexec
    localedir     : /nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/share/locale
    mandir        : /nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/share/man
    prefix        : /nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2
    sbindir       : /nix/store/qlar00i0qh566xwdrcnhw614c7264hvy-zix-0.4.2/sbin
    wrap_mode     : nodownload
    benchmarks    : disabled
    docs          : disabled

Found ninja-1.11.1 at /nix/store/wpx0ykc728aly9bz2k5b1slx2qljbayq-ninja-1.11.1/bin/ninja
mesonConfigurePhase: enabled\ parallel\ building
building
build flags: -j2
[1/58] Compiling C object libzix-0.0.dylib.p/src_allocator.c.o
[2/58] Compiling C object libzix-0.0.dylib.p/src_btree.c.o
[3/58] Compiling C object libzix-0.0.dylib.p/src_bump_allocator.c.o
[4/58] Compiling C object libzix-0.0.dylib.p/src_digest.c.o
[5/58] Compiling C object libzix-0.0.dylib.p/src_errno_status.c.o
[6/58] Compiling C object libzix-0.0.dylib.p/src_filesystem.c.o
[7/58] Compiling C object libzix-0.0.dylib.p/src_hash.c.o
[8/58] Compiling C object libzix-0.0.dylib.p/src_ring.c.o
[9/58] Compiling C object libzix-0.0.dylib.p/src_path.c.o
[10/58] Compiling C object libzix-0.0.dylib.p/src_status.c.o
[11/58] Compiling C object libzix-0.0.dylib.p/src_string_view.c.o
[12/58] Compiling C object libzix-0.0.dylib.p/src_system.c.o
[13/58] Compiling C object libzix-0.0.dylib.p/src_tree.c.o
[14/58] Compiling C object libzix-0.0.dylib.p/src_posix_filesystem_posix.c.o
FAILED: libzix-0.0.dylib.p/src_posix_filesystem_posix.c.o 
clang -Ilibzix-0.0.dylib.p -I. -I.. -I../include -fvisibility=hidden -fcolor-diagnostics -DNDEBUG -Wall -Winvalid-pch -std=c99 -DZIX_NO_DEFAULT_CONFIG -D_DARWIN_C_SOURCE -DHAVE_CLOCK_GETTIME -DHAVE_FILENO -DHAVE_FLOCK -DHAVE_LSTAT -DHAVE_MLOCK -DHAVE_PATHCONF -DHAVE_POSIX_MEMALIGN -DHAVE_REALPATH -DHAVE_SYSCONF -DHAVE_CLONEFILE -DZIX_INTERNAL -MD -MQ libzix-0.0.dylib.p/src_posix_filesystem_posix.c.o -MF libzix-0.0.dylib.p/src_posix_filesystem_posix.c.o.d -o libzix-0.0.dylib.p/src_posix_filesystem_posix.c.o -c ../src/posix/filesystem_posix.c
../src/posix/filesystem_posix.c:61:56: error: call to undeclared function 'fdatasync'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  const ZixStatus st0 = zix_posix_status(dst_fd >= 0 ? fdatasync(dst_fd) : 0);
                                                       ^
1 error generated.
[15/58] Compiling C object libzix-0.0.dylib.p/src_posix_system_posix.c.o
ninja: build stopped: subcommand failed.