dune build failure

gistfile1.txt

Workspace root: /home/rjones/d/ocaml-ssl
Running[0]: /usr/bin/nproc > /tmp/dunef08095.output 2> /dev/null
Auto-detected concurrency: 8
disable binary cache
Running[1]: /usr/bin/ocamlc.opt -config > /tmp/dune6310b0.output
Dune context:
 { name = "default"
 ; kind = "default"
 ; profile = Dyn
 ; merlin = true
 ; for_host = None
 ; fdo_target_exe = None
 ; build_dir = "default"
 ; toplevel_path = None
 ; ocaml_bin = External "/usr/bin"
 ; ocaml = Ok External "/usr/bin/ocaml"
 ; ocamlc = External "/usr/bin/ocamlc.opt"
 ; ocamlopt = Ok External "/usr/bin/ocamlopt.opt"
 ; ocamldep = Ok External "/usr/bin/ocamldep.opt"
 ; ocamlmklib = Ok External "/usr/bin/ocamlmklib.opt"
 ; env =
     map
       { "CAML_LD_LIBRARY_PATH" :
           "/home/rjones/d/ocaml-ssl/_build/install/default/lib/stublibs"
       ; "INSIDE_DUNE" : "/home/rjones/d/ocaml-ssl/_build/default"
       ; "OCAMLFIND_IGNORE_DUPS_IN" :
           "/home/rjones/d/ocaml-ssl/_build/install/default/lib"
       ; "OCAMLPATH" : "/home/rjones/d/ocaml-ssl/_build/install/default/lib"
       ; "OCAMLTOP_INCLUDE_PATH" :
           "/home/rjones/d/ocaml-ssl/_build/install/default/lib/toplevel"
       }
 ; findlib_path = [ External "/usr/lib64/ocaml" ]
 ; arch_sixtyfour = true
 ; natdynlink_supported = true
 ; supports_shared_libraries = true
 ; ocaml_config =
     { version = "4.11.0"
     ; standard_library_default = "/usr/lib64/ocaml"
     ; standard_library = "/usr/lib64/ocaml"
     ; standard_runtime = "the_standard_runtime_variable_was_deleted"
     ; ccomp_type = "cc"
     ; c_compiler = "gcc"
     ; ocamlc_cflags =
         [ "-O2"
         ; "-fno-strict-aliasing"
         ; "-fwrapv"
         ; "-O2"
         ; "-flto=auto"
         ; "-ffat-lto-objects"
         ; "-fexceptions"
         ; "-g"
         ; "-grecord-gcc-switches"
         ; "-pipe"
         ; "-Wall"
         ; "-Werror=format-security"
         ; "-Wp,-D_FORTIFY_SOURCE=2"
         ; "-Wp,-D_GLIBCXX_ASSERTIONS"
         ; "-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1"
         ; "-fstack-protector-strong"
         ; "-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1"
         ; "-m64"
         ; "-mtune=generic"
         ; "-fasynchronous-unwind-tables"
         ; "-fstack-clash-protection"
         ; "-fcf-protection"
         ; "-fPIC"
         ]
     ; ocamlc_cppflags = [ "-D_FILE_OFFSET_BITS=64"; "-D_REENTRANT" ]
     ; ocamlopt_cflags =
         [ "-O2"
         ; "-fno-strict-aliasing"
         ; "-fwrapv"
         ; "-O2"
         ; "-flto=auto"
         ; "-ffat-lto-objects"
         ; "-fexceptions"
         ; "-g"
         ; "-grecord-gcc-switches"
         ; "-pipe"
         ; "-Wall"
         ; "-Werror=format-security"
         ; "-Wp,-D_FORTIFY_SOURCE=2"
         ; "-Wp,-D_GLIBCXX_ASSERTIONS"
         ; "-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1"
         ; "-fstack-protector-strong"
         ; "-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1"
         ; "-m64"
         ; "-mtune=generic"
         ; "-fasynchronous-unwind-tables"
         ; "-fstack-clash-protection"
         ; "-fcf-protection"
         ; "-fPIC"
         ]
     ; ocamlopt_cppflags = [ "-D_FILE_OFFSET_BITS=64"; "-D_REENTRANT" ]
     ; bytecomp_c_compiler =
         [ "gcc"
         ; "-O2"
         ; "-fno-strict-aliasing"
         ; "-fwrapv"
         ; "-O2"
         ; "-flto=auto"
         ; "-ffat-lto-objects"
         ; "-fexceptions"
         ; "-g"
         ; "-grecord-gcc-switches"
         ; "-pipe"
         ; "-Wall"
         ; "-Werror=format-security"
         ; "-Wp,-D_FORTIFY_SOURCE=2"
         ; "-Wp,-D_GLIBCXX_ASSERTIONS"
         ; "-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1"
         ; "-fstack-protector-strong"
         ; "-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1"
         ; "-m64"
         ; "-mtune=generic"
         ; "-fasynchronous-unwind-tables"
         ; "-fstack-clash-protection"
         ; "-fcf-protection"
         ; "-fPIC"
         ; "-D_FILE_OFFSET_BITS=64"
         ; "-D_REENTRANT"
         ]
     ; bytecomp_c_libraries =
         [ "-Wl,-z,relro"
         ; "-Wl,--as-needed"
         ; "-Wl,-z,now"
         ; "-specs=/usr/lib/rpm/redhat/redhat-hardened-ld"
         ; "-lm"
         ; "-ldl"
         ; "-lpthread"
         ]
     ; native_c_compiler =
         [ "gcc"
         ; "-O2"
         ; "-fno-strict-aliasing"
         ; "-fwrapv"
         ; "-O2"
         ; "-flto=auto"
         ; "-ffat-lto-objects"
         ; "-fexceptions"
         ; "-g"
         ; "-grecord-gcc-switches"
         ; "-pipe"
         ; "-Wall"
         ; "-Werror=format-security"
         ; "-Wp,-D_FORTIFY_SOURCE=2"
         ; "-Wp,-D_GLIBCXX_ASSERTIONS"
         ; "-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1"
         ; "-fstack-protector-strong"
         ; "-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1"
         ; "-m64"
         ; "-mtune=generic"
         ; "-fasynchronous-unwind-tables"
         ; "-fstack-clash-protection"
         ; "-fcf-protection"
         ; "-fPIC"
         ; "-D_FILE_OFFSET_BITS=64"
         ; "-D_REENTRANT"
         ]
     ; native_c_libraries =
         [ "-Wl,-z,relro"
         ; "-Wl,--as-needed"
         ; "-Wl,-z,now"
         ; "-specs=/usr/lib/rpm/redhat/redhat-hardened-ld"
         ; "-lm"
         ; "-ldl"
         ]
     ; cc_profile = []
     ; architecture = "amd64"
     ; model = "default"
     ; int_size = 63
     ; word_size = 64
     ; system = "linux"
     ; asm = [ "as" ]
     ; asm_cfi_supported = true
     ; with_frame_pointers = false
     ; ext_exe = ""
     ; ext_obj = ".o"
     ; ext_asm = ".s"
     ; ext_lib = ".a"
     ; ext_dll = ".so"
     ; os_type = "Unix"
     ; default_executable_name = "a.out"
     ; systhread_supported = true
     ; host = "x86_64-pc-linux-gnu"
     ; target = "x86_64-pc-linux-gnu"
     ; profiling = false
     ; flambda = false
     ; spacetime = false
     ; safe_string = true
     ; exec_magic_number = "Caml1999X028"
     ; cmi_magic_number = "Caml1999I028"
     ; cmo_magic_number = "Caml1999O028"
     ; cma_magic_number = "Caml1999A028"
     ; cmx_magic_number = "Caml1999Y028"
     ; cmxa_magic_number = "Caml1999Z028"
     ; ast_impl_magic_number = "Caml1999M028"
     ; ast_intf_magic_number = "Caml1999N028"
     ; cmxs_magic_number = "Caml1999D028"
     ; cmt_magic_number = "Caml1999T028"
     ; natdynlink_supported = true
     ; supports_shared_libraries = true
     ; windows_unicode = false
     }
 }
Actual targets:
- alias @@default
Running[2]: (cd _build/default/src && config/discover.exe)
Command [2] exited with code 2:
$ (cd _build/default/src && config/discover.exe)
which: pkg-config
-> found: /usr/bin/pkg-config
run: /usr/bin/pkg-config --print-errors openssl
-> process exited with code 0
-> stdout:
-> stderr:
run: /usr/bin/pkg-config --cflags openssl
-> process exited with code 0
-> stdout:
 | 
-> stderr:
run: /usr/bin/pkg-config --libs openssl
-> process exited with code 0
-> stdout:
 | -lssl -lcrypto 
-> stderr:
compiling c program:
 | #include <stdio.h>
 | #include <openssl/ssl.h>
 | 
 | 
 | #ifdef SSL_set_tlsext_host_name
 | const char *s0 = "BEGIN-0-true-END";
 | #else
 | const char *s0 = "BEGIN-0-false-END";
 | #endif
 | 
 | 
 | #ifdef SSL_EXT_TLS1_3_ONLY
 | const char *s1 = "BEGIN-1-true-END";
 | #else
 | const char *s1 = "BEGIN-1-false-END";
 | #endif
 | 
run: gcc -O2 -fno-strict-aliasing -fwrapv -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fPIC -I /usr/lib64/ocaml -o /tmp/ocaml-configurator3de03f/c-test-3/test.o -c /tmp/ocaml-configurator3de03f/c-test-3/test.c
-> process exited with code 0
-> stdout:
-> stderr:
Fatal error: exception Failure("Map.of_list_exn: duplicate key")