$ nix-env -f . -iA ksh
installing 'ksh-93v'
these derivations will be built:
  /nix/store/2y1r2bpi0yjcpaw9fcygd9f7fzrd9xwv-ksh-93v.drv
these paths will be fetched (0.06 MiB download, 0.24 MiB unpacked):
  /nix/store/in3hj432gcr79dnsynvlbv8grmyrl4sf-gpp-2.25
copying path '/nix/store/in3hj432gcr79dnsynvlbv8grmyrl4sf-gpp-2.25' from 'https://cache.nixos.org'...
building '/nix/store/2y1r2bpi0yjcpaw9fcygd9f7fzrd9xwv-ksh-93v.drv'...
unpacking sources
unpacking source archive /nix/store/3nky88yxxbmsfs7garq8z0mrn0xp5l1s-source
source root is source
patching sources
configuring
meson flags: --buildtype=release         --libdir=/nix/store/hhsxznzmy27yvkh43qp4gc6krqj66w95-ksh-93v/lib --libexecdir=/nix/store/hhsxznzmy27yvkh43qp4gc6krqj66w95-ksh-93v/libexec         --bindir=/nix/store/hhsxznzmy27yvkh43qp4gc6krqj66w95-ksh-93v/bin --sbindir=/nix/store/hhsxznzmy27yvkh43qp4gc6krqj66w95-ksh-93v/sbin         --includedir=/nix/store/hhsxznzmy27yvkh43qp4gc6krqj66w95-ksh-93v/include         --mandir=/nix/store/hhsxznzmy27yvkh43qp4gc6krqj66w95-ksh-93v/share/man --infodir=/nix/store/hhsxznzmy27yvkh43qp4gc6krqj66w95-ksh-93v/share/info         --localedir=/nix/store/hhsxznzmy27yvkh43qp4gc6krqj66w95-ksh-93v/share/locale         -Dauto_features=disabled         --prefix=/nix/store/hhsxznzmy27yvkh43qp4gc6krqj66w95-ksh-93v
The Meson build system
Version: 0.48.2
Source dir: /build/source
Build dir: /build/source/build
Build type: native build
Project name: ksh93
Project version: undefined
Native C compiler: /nix/store/klci955kxil7q32ggran6lnhpnkk8yjz-gcc-wrapper-7.3.0/bin/cc (gcc 7.3.0 "gcc (GCC) 7.3.0")
Build machine cpu family: x86_64
Build machine cpu: x86_64
Compiler for C supports arguments -Werror=implicit: YES
Checking for size of "void*": 8
Checking for size of "int": 4
Checking for size of "long": 8
Checking for size of "size_t": 8
Checking for size of "off_t": 8
Checking for size of "int32_t": 4
Checking for size of "wchar_t": 4
Checking for size of "long long": 8
Library m found: YES
Library dl found: YES
Library execinfo found: NO
Library iconv found: NO
Library catgets found: NO
Has header "execinfo.h": YES
Has header "unistd.h": YES
Has header "stdlib.h": YES
Has header "malloc.h": YES
Has header "filio.h": NO
Has header "sys/filio.h": NO
Checking for function "lchmod" : NO
Checking for function "sigqueue" : YES
Checking for function "isnanl" : YES
Checking for function "eaccess" : YES
Checking for function "euidaccess" : YES
Checking for function "faccessat" : YES
Checking for function "mkostemp" : YES
Checking for function "strlcat" : NO
Checking for function "utimensat" : YES
Checking for function "sysinfo" : NO
Checking for function "pipe2" : YES
Checking for function "syncfs" : YES
Checking for function "nexttowardl" : YES
Checking for function "expm1l" : YES
Checking for function "log1pl" : YES
Checking for function "remainderl" : YES
Checking for function "log2l" : YES
Checking for function "tgammal" : YES
Checking for function "lgammal" : YES
Checking if "fchmod() after socketpair() shutdown()" runs: YES
Checking if "max signal number" runs: YES
Checking whether type "struct stat" has member "st_mtim" : YES
Checking if "poll() exists and is worth using" runs: YES
Checking if "posix_spawn() exists and is worth using" runs: YES
Checking if "Check if -D_FILE_OFFSET_BITS=64 works with fts functions" compiles: YES
Program tput found: NO
Program ed found: NO
Program atos found: NO
Program addr2line found: YES (/nix/store/jdlb06c0kp6sms277xcclfr3gdl8pb9r-binutils-2.30/bin/addr2line)
Has header "dl.h": NO
Has header "dlfcn.h": YES
Has header "dll.h": NO
Has header "rld_interface.h": NO
Has header "mach-o/dyld.h": NO
Has header "sys/ldr.h": NO
Library dl found: YES
Checking for function "dlopen" : YES
Checking for function "dllload" : NO
Checking for function "loadbind" : NO
Checking if "_DYNAMIC check" runs: DID NOT COMPILE
Checking for function "clock_gettime" : YES
Checking for function "gettimeofday" : YES
Has header "sys/syscall.h": YES
Has header "sys/systeminfo.h": NO
Has header "sys/syssgi.h": NO
Checking for function "syscall" : YES
Checking for function "systeminfo" : NO
Configuring config_ast.h using configuration
Checking if "gcc 4.1+ 64 bit memory atomic operations model" links: YES

src/lib/libast/meson.build:20:0: ERROR:  File /build/source/build/src/lib/libast/comp/conftab.c does not exist.

A full log can be found at /build/source/build/meson-logs/meson-log.txt
builder for '/nix/store/2y1r2bpi0yjcpaw9fcygd9f7fzrd9xwv-ksh-93v.drv' failed with exit code 1
error: build of '/nix/store/2y1r2bpi0yjcpaw9fcygd9f7fzrd9xwv-ksh-93v.drv' failed