Cannot compile cmake projects with cross-rs freebsd target

[cruxpot]

Checklist

• I've looked through the issues and pull requests for similar reports

Describe your issue

I am trying to set up cross-compilers toolchains to compile against various platforms including freebsd x64. I cannot get the mbedtls 0.11.0 crate to build, which I need for a project of mine. I am on commit hash 37c681a of the cross-rs repo and I am using the dockerfiles in there but I've added a few packages to the common.sh file which I will show below. I've reproduce this issue with both cross 0.2.4 and cross 0.2.5. I cannot get the mbedtls crate to build due to cmake errors and I have tried changing many variables that affect the sysroot but it makes no difference. Have had much greater success with musl targets than gnu targets overall but I have been able to get many gnu targets working. Anyway I am not a cmake expert so I would appreciate the help on this or a fix if it's related to this image's cmake setup. It works on many of the cross-rs images.

To recreate my issue...

It's a very simple hello world project with the mbedtls crate added.

My Cargo.toml:

[package]
name = "test-mbedtls"
version = "0.1.0"
edition = "2021"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[dependencies]
mbedtls = "0.11.0"

My Cross.toml mainly for mbedtls cmake system needs python and some packages for it (using custom built image from cross/docker/Dockerfile.x86_64-unknown-freebsd):

[target.x86_64-unknown-freebsd]
  image = "x86_64-unknown-freebsd-cross-v3:latest"
  pre-build = [ "pip3 install jsonschema jinja2" ]

My docker/common.sh file for adding additional packages my application needs:

updated docker/common.sh:

install_packages \
      autoconf \
      automake \
      binutils \
      ca-certificates \
      curl \
      file \
      gcc \
      git \
      libtool \
      m4 \
      make \
      protobuf-compiler \
      uuid-runtime \
      python3 \
      python3-pip \
      clang

What target(s) are you cross-compiling for?

x86_64-unknown-freebsd

Which operating system is the host (e.g computer cross is on) running?

• macOS
• Windows
• Linux / BSD
• other OS (specify in description)

What architecture is the host?

• x86_64 / AMD64
• arm32
• arm64 (including Mac M1)

What container engine is cross using?

• docker
• podman
• other container engine (specify in description)

cross version

cross v0.2.5

Example

Build step:

$ cross build --target x86_64-unknown-freebsd
info: downloading component 'rust-std' for 'x86_64-unknown-freebsd'
info: installing component 'rust-std' for 'x86_64-unknown-freebsd'
 29.3 MiB /  29.3 MiB (100 %)  15.2 MiB/s in  1s ETA:  0s
[+] Building 0.0s (6/6) FINISHED
 => [internal] load build definition from Dockerfile.x86_64-unknown-freebsd-custom                                              0.0s
 => => transferring dockerfile: 235B                                                                                            0.0s
 => [internal] load .dockerignore                                                                                               0.0s
 => => transferring context: 2B                                                                                                 0.0s
 => [internal] load metadata for docker.io/library/x86_64-unknown-freebsd-cross-v3:latest                                       0.0s
 => [1/2] FROM docker.io/library/x86_64-unknown-freebsd-cross-v3:latest                                                         0.0s
 => CACHED [2/2] RUN eval "pip3 install jsonschema jinja2"                                                                      0.0s
 => exporting to image                                                                                                          0.0s
 => => exporting layers                                                                                                         0.0s
 => => writing image sha256:e050e756d534861e12835bb9affb8ab712c3641e07b655eafd6cd34c0af2124c                                    0.0s
 => => naming to localhost/cross-rs/cross-custom-test-mbedtls-rs:x86_64-unknown-freebsd-afa10-pre-build                         0.0s
   Compiling proc-macro2 v1.0.63
   Compiling unicode-ident v1.0.8
   Compiling libc v0.2.144
   Compiling quote v1.0.29
   Compiling memchr v2.5.0
   Compiling glob v0.3.1
   Compiling cfg-if v1.0.0
   Compiling prettyplease v0.2.10
   Compiling autocfg v1.1.0
   Compiling clang-sys v1.6.1
   Compiling syn v2.0.23
   Compiling minimal-lexical v0.2.1
   Compiling log v0.4.17
   Compiling cc v1.0.79
   Compiling libloading v0.7.4
   Compiling nom v7.1.3
   Compiling yansi-term v0.1.2
   Compiling bindgen v0.65.1
   Compiling either v1.8.1
   Compiling syn v1.0.109
   Compiling unicode-width v0.1.10
   Compiling regex-syntax v0.7.1
   Compiling annotate-snippets v0.9.1
   Compiling cexpr v0.6.0
   Compiling which v4.4.0
   Compiling regex v1.8.1
   Compiling peeking_take_while v0.1.2
   Compiling bitflags v1.3.2
   Compiling shlex v1.1.0
   Compiling rustc-hash v1.1.0
   Compiling lazycell v1.3.0
   Compiling lazy_static v1.4.0
   Compiling cmake v0.1.50
   Compiling num-traits v0.2.15
   Compiling num-integer v0.1.45
   Compiling mbedtls-platform-support v0.3.0
   Compiling num-bigint v0.2.6
   Compiling serde v1.0.163
   Compiling mbedtls v0.11.0
   Compiling once_cell v1.17.1
   Compiling bit-vec v0.5.1
   Compiling yasna v0.2.2
   Compiling serde_derive v1.0.163
   Compiling byteorder v1.4.3
   Compiling mbedtls-sys-auto v3.5.0-alpha.2+0b3de6f
error: failed to run custom build command for `mbedtls-sys-auto v3.5.0-alpha.2+0b3de6f`

Caused by:
  process didn't exit successfully: `/target/debug/build/mbedtls-sys-auto-38f0040633ee243b/build-script-build` (exit status: 101)
  --- stdout
  cargo:rustc-cfg=threading_component="pthread"
  cargo:rustc-cfg=time_component="libc"
  cargo:rustc-cfg=std_component="fs"
  cargo:rustc-cfg=std_component="entropy"
  cargo:rustc-cfg=std_component="net"
  cargo:platform-components=threading_component=pthread,time_component=libc,std_component=fs,std_component=entropy,std_component=net
  cargo:rerun-if-env-changed=RUST_MBEDTLS_SYS_SOURCE
  cargo:rerun-if-changed=vendor/CMakeLists.txt
  cargo:rerun-if-changed=vendor/include/mbedtls/build_info.h
  cargo:rerun-if-changed=vendor/include/mbedtls/platform_time.h
  cargo:rerun-if-changed=vendor/include/mbedtls/private_access.h
  cargo:rerun-if-changed=vendor/include/mbedtls/platform_util.h
  cargo:rerun-if-changed=vendor/include/mbedtls/bignum.h
  cargo:rerun-if-changed=vendor/include/mbedtls/md.h
  cargo:rerun-if-changed=vendor/include/mbedtls/threading.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ecp.h
  cargo:rerun-if-changed=vendor/include/mbedtls/rsa.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ecdsa.h
  cargo:rerun-if-changed=vendor/include/mbedtls/asn1.h
  cargo:rerun-if-changed=vendor/include/mbedtls/pk.h
  cargo:rerun-if-changed=vendor/include/mbedtls/x509.h
  cargo:rerun-if-changed=vendor/include/mbedtls/cipher.h
  cargo:rerun-if-changed=vendor/include/mbedtls/x509_crl.h
  cargo:rerun-if-changed=vendor/include/mbedtls/aes.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ssl_ciphersuites.h
  cargo:rerun-if-changed=vendor/include/mbedtls/x509_crt.h
  cargo:rerun-if-changed=vendor/include/mbedtls/dhm.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ecdh.h
  cargo:rerun-if-changed=vendor/include/mbedtls/oid.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ctr_drbg.h
  cargo:rerun-if-changed=vendor/include/mbedtls/hmac_drbg.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ssl.h
  cargo:rerun-if-changed=vendor/include/mbedtls/md5.h
  cargo:rerun-if-changed=vendor/include/mbedtls/sha1.h
  cargo:rerun-if-changed=vendor/include/mbedtls/sha256.h
  cargo:rerun-if-changed=vendor/include/mbedtls/sha512.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ecjpake.h
  cargo:rerun-if-changed=vendor/include/mbedtls/psa_util.h
  cargo:rerun-if-changed=vendor/include/mbedtls/net_sockets.h
  cargo:rerun-if-changed=vendor/include/mbedtls/poly1305.h
  cargo:rerun-if-changed=vendor/include/mbedtls/chacha20.h
  cargo:rerun-if-changed=vendor/include/mbedtls/x509_csr.h
  cargo:rerun-if-changed=vendor/include/mbedtls/version.h
  cargo:rerun-if-changed=vendor/include/mbedtls/timing.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ssl_ticket.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ssl_cookie.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ssl_cache.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ripemd160.h
  cargo:rerun-if-changed=vendor/include/mbedtls/platform.h
  cargo:rerun-if-changed=vendor/include/mbedtls/pkcs5.h
  cargo:rerun-if-changed=vendor/include/mbedtls/pkcs7.h
  cargo:rerun-if-changed=vendor/include/mbedtls/pem.h
  cargo:rerun-if-changed=vendor/include/mbedtls/nist_kw.h
  cargo:rerun-if-changed=vendor/include/mbedtls/memory_buffer_alloc.h
  cargo:rerun-if-changed=vendor/include/mbedtls/lms.h
  cargo:rerun-if-changed=vendor/include/mbedtls/hkdf.h
  cargo:rerun-if-changed=vendor/include/mbedtls/gcm.h
  cargo:rerun-if-changed=vendor/include/mbedtls/error.h
  cargo:rerun-if-changed=vendor/include/mbedtls/entropy.h
  cargo:rerun-if-changed=vendor/include/mbedtls/des.h
  cargo:rerun-if-changed=vendor/include/mbedtls/debug.h
  cargo:rerun-if-changed=vendor/include/mbedtls/constant_time.h
  cargo:rerun-if-changed=vendor/include/mbedtls/cmac.h
  cargo:rerun-if-changed=vendor/include/mbedtls/chachapoly.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ccm.h
  cargo:rerun-if-changed=vendor/include/mbedtls/camellia.h
  cargo:rerun-if-changed=vendor/include/mbedtls/base64.h
  cargo:rerun-if-changed=vendor/include/mbedtls/asn1write.h
  cargo:rerun-if-changed=vendor/include/mbedtls/aria.h
  cargo:rerun-if-changed=vendor/library/md.c
  cargo:rerun-if-changed=vendor/library/memory_buffer_alloc.c
  cargo:rerun-if-changed=vendor/library/asn1parse.c
  cargo:rerun-if-changed=vendor/library/ssl_tls13_server.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_slot_management.c
  cargo:rerun-if-changed=vendor/library/chacha20.c
  cargo:rerun-if-changed=vendor/library/common.h
  cargo:rerun-if-changed=vendor/library/alignment.h
  cargo:rerun-if-changed=vendor/library/ssl_client.c
  cargo:rerun-if-changed=vendor/library/psa_crypto.c
  cargo:rerun-if-changed=vendor/library/ecp.c
  cargo:rerun-if-changed=vendor/library/timing.c
  cargo:rerun-if-changed=vendor/library/.gitignore
  cargo:rerun-if-changed=vendor/library/ssl_debug_helpers_generated.c
  cargo:rerun-if-changed=vendor/library/hash_info.h
  cargo:rerun-if-changed=vendor/library/ssl_tls13_invasive.h
  cargo:rerun-if-changed=vendor/library/pk_wrap.c
  cargo:rerun-if-changed=vendor/library/ecjpake.c
  cargo:rerun-if-changed=vendor/library/bignum_core.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_cipher.c
  cargo:rerun-if-changed=vendor/library/ecp_internal_alt.h
  cargo:rerun-if-changed=vendor/library/x509_crl.c
  cargo:rerun-if-changed=vendor/library/rsa_alt_helpers.c
  cargo:rerun-if-changed=vendor/library/ssl_misc.h
  cargo:rerun-if-changed=vendor/library/mps_error.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_client.c
  cargo:rerun-if-changed=vendor/library/des.c
  cargo:rerun-if-changed=vendor/library/bignum_mod.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_slot_management.h
  cargo:rerun-if-changed=vendor/library/ssl_tls12_client.c
  cargo:rerun-if-changed=vendor/library/ssl_tls13_keys.h
  cargo:rerun-if-changed=vendor/library/rsa_alt_helpers.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_random_impl.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_mac.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_ecp.c
  cargo:rerun-if-changed=vendor/library/ripemd160.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_hash.h
  cargo:rerun-if-changed=vendor/library/platform.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_hash.c
  cargo:rerun-if-changed=vendor/library/padlock.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_aead.c
  cargo:rerun-if-changed=vendor/library/ssl_msg.c
  cargo:rerun-if-changed=vendor/library/x509write_csr.c
  cargo:rerun-if-changed=vendor/library/entropy_poll.c
  cargo:rerun-if-changed=vendor/library/lms.c
  cargo:rerun-if-changed=vendor/library/x509_crt.c
  cargo:rerun-if-changed=vendor/library/ecp_invasive.h
  cargo:rerun-if-changed=vendor/library/ecdsa.c
  cargo:rerun-if-changed=vendor/library/mps_reader.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_ecp.h
  cargo:rerun-if-changed=vendor/library/aria.c
  cargo:rerun-if-changed=vendor/library/Makefile
  cargo:rerun-if-changed=vendor/library/gcm.c
  cargo:rerun-if-changed=vendor/library/asn1write.c
  cargo:rerun-if-changed=vendor/library/bn_mul.h
  cargo:rerun-if-changed=vendor/library/padlock.h
  cargo:rerun-if-changed=vendor/library/net_sockets.c
  cargo:rerun-if-changed=vendor/library/aesce.c
  cargo:rerun-if-changed=vendor/library/hmac_drbg.c
  cargo:rerun-if-changed=vendor/library/hash_info.c
  cargo:rerun-if-changed=vendor/library/poly1305.c
  cargo:rerun-if-changed=vendor/library/ssl_ciphersuites.c
  cargo:rerun-if-changed=vendor/library/aes.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_rsa.h
  cargo:rerun-if-changed=vendor/library/threading.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_its.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_se.c
  cargo:rerun-if-changed=vendor/library/psa_its_file.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_rsa.c
  cargo:rerun-if-changed=vendor/library/aesni.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_driver_wrappers.h
  cargo:rerun-if-changed=vendor/library/sha256.c
  cargo:rerun-if-changed=vendor/library/bignum_mod_raw.h
  cargo:rerun-if-changed=vendor/library/pkwrite.c
  cargo:rerun-if-changed=vendor/library/cipher_wrap.c
  cargo:rerun-if-changed=vendor/library/md5.c
  cargo:rerun-if-changed=vendor/library/pk.c
  cargo:rerun-if-changed=vendor/library/pkcs12.c
  cargo:rerun-if-changed=vendor/library/pkcs7.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_core.h
  cargo:rerun-if-changed=vendor/library/entropy_poll.h
  cargo:rerun-if-changed=vendor/library/x509_create.c
  cargo:rerun-if-changed=vendor/library/ssl_tls13_generic.c
  cargo:rerun-if-changed=vendor/library/ssl_ticket.c
  cargo:rerun-if-changed=vendor/library/lmots.h
  cargo:rerun-if-changed=vendor/library/cipher.c
  cargo:rerun-if-changed=vendor/library/bignum_mod.h
  cargo:rerun-if-changed=vendor/library/mps_common.h
  cargo:rerun-if-changed=vendor/library/constant_time_internal.h
  cargo:rerun-if-changed=vendor/library/bignum_core.h
  cargo:rerun-if-changed=vendor/library/pkparse.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_core_common.h
  cargo:rerun-if-changed=vendor/library/ecdh.c
  cargo:rerun-if-changed=vendor/library/constant_time_invasive.h
  cargo:rerun-if-changed=vendor/library/ssl_tls12_server.c
  cargo:rerun-if-changed=vendor/library/aesni.c
  cargo:rerun-if-changed=vendor/library/sha512.c
  cargo:rerun-if-changed=vendor/library/nist_kw.c
  cargo:rerun-if-changed=vendor/library/ecp_curves.c
  cargo:rerun-if-changed=vendor/library/mps_trace.c
  cargo:rerun-if-changed=vendor/library/ssl_client.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_cipher.h
  cargo:rerun-if-changed=vendor/library/pk_wrap.h
  cargo:rerun-if-changed=vendor/library/aesce.h
  cargo:rerun-if-changed=vendor/library/entropy.c
  cargo:rerun-if-changed=vendor/library/check_crypto_config.h
  cargo:rerun-if-changed=vendor/library/base64.c
  cargo:rerun-if-changed=vendor/library/md_wrap.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_storage.h
  cargo:rerun-if-changed=vendor/library/debug.c
  cargo:rerun-if-changed=vendor/library/cmac.c
  cargo:rerun-if-changed=vendor/library/rsa.c
  cargo:rerun-if-changed=vendor/library/dhm.c
  cargo:rerun-if-changed=vendor/library/pem.c
  cargo:rerun-if-changed=vendor/library/ssl_tls.c
  cargo:rerun-if-changed=vendor/library/ssl_cookie.c
  cargo:rerun-if-changed=vendor/library/ccm.c
  cargo:rerun-if-changed=vendor/library/ssl_cache.c
  cargo:rerun-if-changed=vendor/library/pkwrite.h
  cargo:rerun-if-changed=vendor/library/version.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_pake.c
  cargo:rerun-if-changed=vendor/library/bignum_mod_raw_invasive.h
  cargo:rerun-if-changed=vendor/library/constant_time.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_mac.h
  cargo:rerun-if-changed=vendor/library/ssl_tls13_keys.c
  cargo:rerun-if-changed=vendor/library/pkcs5.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_se.h
  cargo:rerun-if-changed=vendor/library/ssl_tls13_client.c
  cargo:rerun-if-changed=vendor/library/x509_csr.c
  cargo:rerun-if-changed=vendor/library/sha1.c
  cargo:rerun-if-changed=vendor/library/platform_util.c
  cargo:rerun-if-changed=vendor/library/CMakeLists.txt
  cargo:rerun-if-changed=vendor/library/psa_crypto_storage.c
  cargo:rerun-if-changed=vendor/library/oid.c
  cargo:rerun-if-changed=vendor/library/x509.c
  cargo:rerun-if-changed=vendor/library/psa_util.c
  cargo:rerun-if-changed=vendor/library/mps_trace.h
  cargo:rerun-if-changed=vendor/library/bignum.c
  cargo:rerun-if-changed=vendor/library/bignum_mod_raw.c
  cargo:rerun-if-changed=vendor/library/ssl_debug_helpers.h
  cargo:rerun-if-changed=vendor/library/chachapoly.c
  cargo:rerun-if-changed=vendor/library/mps_reader.c
  cargo:rerun-if-changed=vendor/library/x509write_crt.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_invasive.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_pake.h
  cargo:rerun-if-changed=vendor/library/ctr_drbg.c
  cargo:rerun-if-changed=vendor/library/cipher_wrap.h
  cargo:rerun-if-changed=vendor/library/hkdf.c
  cargo:rerun-if-changed=vendor/library/camellia.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_aead.h
  cargo:rerun-if-changed=vendor/library/lmots.c
  OPT_LEVEL = Some("0")
  TARGET = Some("x86_64-unknown-freebsd")
  HOST = Some("x86_64-unknown-linux-gnu")
  cargo:rerun-if-env-changed=CC_x86_64-unknown-freebsd
  CC_x86_64-unknown-freebsd = None
  cargo:rerun-if-env-changed=CC_x86_64_unknown_freebsd
  CC_x86_64_unknown_freebsd = Some("x86_64-unknown-freebsd12-gcc")
  cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-freebsd
  CFLAGS_x86_64-unknown-freebsd = None
  cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_freebsd
  CFLAGS_x86_64_unknown_freebsd = None
  cargo:rerun-if-env-changed=TARGET_CFLAGS
  TARGET_CFLAGS = None
  cargo:rerun-if-env-changed=CFLAGS
  CFLAGS = None
  cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
  CRATE_CC_NO_DEFAULTS = None
  DEBUG = Some("true")
  CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
  CMAKE_TOOLCHAIN_FILE_x86_64-unknown-freebsd = None
  CMAKE_TOOLCHAIN_FILE_x86_64_unknown_freebsd = Some("/opt/toolchain.cmake")
  CMAKE_GENERATOR_x86_64-unknown-freebsd = None
  CMAKE_GENERATOR_x86_64_unknown_freebsd = None
  TARGET_CMAKE_GENERATOR = None
  CMAKE_GENERATOR = None
  CMAKE_PREFIX_PATH_x86_64-unknown-freebsd = None
  CMAKE_PREFIX_PATH_x86_64_unknown_freebsd = None
  TARGET_CMAKE_PREFIX_PATH = None
  CMAKE_PREFIX_PATH = None
  CMAKE_x86_64-unknown-freebsd = None
  CMAKE_x86_64_unknown_freebsd = None
  TARGET_CMAKE = None
  CMAKE = None
  running: cd "/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out/build" && CMAKE_PREFIX_PATH="" "cmake" "/home/ubuntu/.cargo/registry/src/github.com-1ecc6299db9ec823/mbedtls-sys-auto-3.5.0-alpha.2+0b3de6f/vendor" "-DENABLE_PROGRAMS=OFF" "-DENABLE_TESTING=OFF" "-DCMAKE_TOOLCHAIN_FILE=/opt/toolchain.cmake" "-DCMAKE_INSTALL_PREFIX=/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out" "-DCMAKE_C_FLAGS= -DMBEDTLS_CONFIG_FILE=\"\\\"/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out/config.h\\\"\" -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_CXX_FLAGS= -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_ASM_FLAGS= -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_BUILD_TYPE=Debug"
  -- The C compiler identification is GNU 6.4.0
  -- Detecting C compiler ABI info
  -- Detecting C compiler ABI info - done
  -- Check for working C compiler: /usr/local/bin/x86_64-unknown-freebsd12-gcc - skipped
  -- Detecting C compile features
  -- Detecting C compile features - done
  -- Found Python3: /usr/bin/python3.8 (found version "3.8.10") found components: Interpreter
  -- Performing Test C_COMPILER_SUPPORTS_WFORMAT_SIGNEDNESS
  -- Performing Test C_COMPILER_SUPPORTS_WFORMAT_SIGNEDNESS - Success
  -- Found Perl: /usr/bin/perl (found version "5.30.0")
  -- Configuring done
  -- Generating done
  -- Build files have been written to: /target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out/build
  running: cd "/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out/build" && MAKEFLAGS="-j --jobserver-fds=11,12 --jobserver-auth=11,12" "cmake" "--build" "." "--target" "lib" "--config" "Debug"
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  [ 74%] Building C object library/CMakeFiles/mbedx509.dir/pkcs7.c.o
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  [ 82%] Built target mbedx509
  [ 83%] Generating ssl_debug_helpers_generated.c
  [ 84%] Building C object library/CMakeFiles/mbedtls.dir/debug.c.o
  [ 85%] Building C object library/CMakeFiles/mbedtls.dir/mps_reader.c.o
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  [ 99%] Building C object library/CMakeFiles/mbedtls.dir/ssl_tls13_generic.c.o
  [100%] Linking C static library libmbedtls.a
  [100%] Built target mbedtls
  [100%] Built target lib
  cargo:root=/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out
  cargo:rustc-link-search=native=/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out/build/library
  cargo:rustc-link-search=native=/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out/build/crypto/library
  cargo:rustc-link-lib=mbedtls
  cargo:rustc-link-lib=mbedx509
  cargo:rustc-link-lib=mbedcrypto
  cargo:include=/home/ubuntu/.cargo/registry/src/github.com-1ecc6299db9ec823/mbedtls-sys-auto-3.5.0-alpha.2+0b3de6f/vendor/include
  cargo:config_h=/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out/config.h
  OPT_LEVEL = Some("0")
  TARGET = Some("x86_64-unknown-freebsd")
  HOST = Some("x86_64-unknown-linux-gnu")
  cargo:rerun-if-env-changed=CC_x86_64-unknown-freebsd
  CC_x86_64-unknown-freebsd = None
  cargo:rerun-if-env-changed=CC_x86_64_unknown_freebsd
  CC_x86_64_unknown_freebsd = Some("x86_64-unknown-freebsd12-gcc")
  cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-freebsd
  CFLAGS_x86_64-unknown-freebsd = None
  cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_freebsd
  CFLAGS_x86_64_unknown_freebsd = None
  cargo:rerun-if-env-changed=TARGET_CFLAGS
  TARGET_CFLAGS = None
  cargo:rerun-if-env-changed=CFLAGS
  CFLAGS = None
  cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
  CRATE_CC_NO_DEFAULTS = None
  DEBUG = Some("true")
  CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")

  --- stderr
  vendor/include/mbedtls/platform_time.h:38:10: fatal error: 'time.h' file not found
  thread 'main' panicked at 'bindgen error: ClangDiagnostic("vendor/include/mbedtls/platform_time.h:38:10: fatal error: 'time.h' file not found\n")', /home/ubuntu/.cargo/registry/src/github.com-1ecc6299db9ec823/mbedtls-sys-auto-3.5.0-alpha.2+0b3de6f/build/bindgen.rs:113:25
  note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

Additional information / notes

I can build with these commands with similar Dockerfile updates (need python3, pip and those python packages as above in the image for it to work, pre-build does not always work).

cross build --target mips-unknown-linux-gnu

cross build --target mipsel-unknown-linux-gnu

[Emilgardis]

can you try

[target.x86_64-unknown-freebsd]
env.passthrough = ["CMAKE_TOOLCHAIN_FILE_x86_64_unknown_freebsd"]

this might be related to #1270

[cruxpot]

can you try

[target.x86_64-unknown-freebsd]
env.passthrough = ["CMAKE_TOOLCHAIN_FILE_x86_64_unknown_freebsd"]

this might be related to #1270

This is what I get:

Cross.toml entry:

[target.x86_64-unknown-freebsd]
image = "x86_64-unknown-freebsd-cross-v3:latest"
env.passthrough = ["CMAKE_TOOLCHAIN_FILE_x86_64_unknown_freebsd"]
pre-build = [ "pip3 install jsonschema jinja2" ]

Note the warning and setting env.passthrough = ["CMAKE_TOOLCHAIN_FILE_x86_64_unknown_freebsd=1"] also was tried when I saw the warning below but it still can't find time.h.

Output:

$ cross build --target x86_64-unknown-freebsd
[cross] warning: got environment variable of "CMAKE_TOOLCHAIN_FILE_x86_64_unknown_freebsd" which is not a valid environment variable name. the proper syntax is `passthrough = ["ENVVAR=value"]`
[+] Building 0.0s (6/6) FINISHED
 => [internal] load build definition from Dockerfile.x86_64-unknown-freebsd-custom                                                             0.0s
 => => transferring dockerfile: 235B                                                                                                           0.0s
 => [internal] load .dockerignore                                                                                                              0.0s
 => => transferring context: 2B                                                                                                                0.0s
 => [internal] load metadata for docker.io/library/x86_64-unknown-freebsd-cross-v3:latest                                                      0.0s
 => [1/2] FROM docker.io/library/x86_64-unknown-freebsd-cross-v3:latest                                                                        0.0s
 => CACHED [2/2] RUN eval "pip3 install jsonschema jinja2"                                                                                     0.0s
 => exporting to image                                                                                                                         0.0s
 => => exporting layers                                                                                                                        0.0s
 => => writing image sha256:e050e756d534861e12835bb9affb8ab712c3641e07b655eafd6cd34c0af2124c                                                   0.0s
 => => naming to localhost/cross-rs/cross-custom-test-mbedtls-rs:x86_64-unknown-freebsd-afa10-pre-build                                        0.0s
   Compiling mbedtls-sys-auto v3.5.0-alpha.2+0b3de6f
error: failed to run custom build command for `mbedtls-sys-auto v3.5.0-alpha.2+0b3de6f`

Caused by:
  process didn't exit successfully: `/target/debug/build/mbedtls-sys-auto-38f0040633ee243b/build-script-build` (exit status: 101)
  --- stdout
  cargo:rustc-cfg=threading_component="pthread"
  cargo:rustc-cfg=std_component="entropy"
  cargo:rustc-cfg=std_component="net"
  cargo:rustc-cfg=std_component="fs"
  cargo:rustc-cfg=time_component="libc"
  cargo:platform-components=threading_component=pthread,std_component=entropy,std_component=net,std_component=fs,time_component=libc
  cargo:rerun-if-env-changed=RUST_MBEDTLS_SYS_SOURCE
  cargo:rerun-if-changed=vendor/CMakeLists.txt
  cargo:rerun-if-changed=vendor/include/mbedtls/build_info.h
  cargo:rerun-if-changed=vendor/include/mbedtls/platform_time.h
  cargo:rerun-if-changed=vendor/include/mbedtls/private_access.h
  cargo:rerun-if-changed=vendor/include/mbedtls/platform_util.h
  cargo:rerun-if-changed=vendor/include/mbedtls/bignum.h
  cargo:rerun-if-changed=vendor/include/mbedtls/md.h
  cargo:rerun-if-changed=vendor/include/mbedtls/threading.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ecp.h
  cargo:rerun-if-changed=vendor/include/mbedtls/rsa.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ecdsa.h
  cargo:rerun-if-changed=vendor/include/mbedtls/asn1.h
  cargo:rerun-if-changed=vendor/include/mbedtls/pk.h
  cargo:rerun-if-changed=vendor/include/mbedtls/x509.h
  cargo:rerun-if-changed=vendor/include/mbedtls/cipher.h
  cargo:rerun-if-changed=vendor/include/mbedtls/x509_crl.h
  cargo:rerun-if-changed=vendor/include/mbedtls/aes.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ssl_ciphersuites.h
  cargo:rerun-if-changed=vendor/include/mbedtls/x509_crt.h
  cargo:rerun-if-changed=vendor/include/mbedtls/dhm.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ecdh.h
  cargo:rerun-if-changed=vendor/include/mbedtls/oid.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ctr_drbg.h
  cargo:rerun-if-changed=vendor/include/mbedtls/hmac_drbg.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ssl.h
  cargo:rerun-if-changed=vendor/include/mbedtls/md5.h
  cargo:rerun-if-changed=vendor/include/mbedtls/sha1.h
  cargo:rerun-if-changed=vendor/include/mbedtls/sha256.h
  cargo:rerun-if-changed=vendor/include/mbedtls/sha512.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ecjpake.h
  cargo:rerun-if-changed=vendor/include/mbedtls/psa_util.h
  cargo:rerun-if-changed=vendor/include/mbedtls/net_sockets.h
  cargo:rerun-if-changed=vendor/include/mbedtls/poly1305.h
  cargo:rerun-if-changed=vendor/include/mbedtls/chacha20.h
  cargo:rerun-if-changed=vendor/include/mbedtls/x509_csr.h
  cargo:rerun-if-changed=vendor/include/mbedtls/version.h
  cargo:rerun-if-changed=vendor/include/mbedtls/timing.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ssl_ticket.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ssl_cookie.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ssl_cache.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ripemd160.h
  cargo:rerun-if-changed=vendor/include/mbedtls/platform.h
  cargo:rerun-if-changed=vendor/include/mbedtls/pkcs5.h
  cargo:rerun-if-changed=vendor/include/mbedtls/pkcs7.h
  cargo:rerun-if-changed=vendor/include/mbedtls/pem.h
  cargo:rerun-if-changed=vendor/include/mbedtls/nist_kw.h
  cargo:rerun-if-changed=vendor/include/mbedtls/memory_buffer_alloc.h
  cargo:rerun-if-changed=vendor/include/mbedtls/lms.h
  cargo:rerun-if-changed=vendor/include/mbedtls/hkdf.h
  cargo:rerun-if-changed=vendor/include/mbedtls/gcm.h
  cargo:rerun-if-changed=vendor/include/mbedtls/error.h
  cargo:rerun-if-changed=vendor/include/mbedtls/entropy.h
  cargo:rerun-if-changed=vendor/include/mbedtls/des.h
  cargo:rerun-if-changed=vendor/include/mbedtls/debug.h
  cargo:rerun-if-changed=vendor/include/mbedtls/constant_time.h
  cargo:rerun-if-changed=vendor/include/mbedtls/cmac.h
  cargo:rerun-if-changed=vendor/include/mbedtls/chachapoly.h
  cargo:rerun-if-changed=vendor/include/mbedtls/ccm.h
  cargo:rerun-if-changed=vendor/include/mbedtls/camellia.h
  cargo:rerun-if-changed=vendor/include/mbedtls/base64.h
  cargo:rerun-if-changed=vendor/include/mbedtls/asn1write.h
  cargo:rerun-if-changed=vendor/include/mbedtls/aria.h
  cargo:rerun-if-changed=vendor/library/md.c
  cargo:rerun-if-changed=vendor/library/memory_buffer_alloc.c
  cargo:rerun-if-changed=vendor/library/asn1parse.c
  cargo:rerun-if-changed=vendor/library/ssl_tls13_server.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_slot_management.c
  cargo:rerun-if-changed=vendor/library/chacha20.c
  cargo:rerun-if-changed=vendor/library/common.h
  cargo:rerun-if-changed=vendor/library/alignment.h
  cargo:rerun-if-changed=vendor/library/ssl_client.c
  cargo:rerun-if-changed=vendor/library/psa_crypto.c
  cargo:rerun-if-changed=vendor/library/ecp.c
  cargo:rerun-if-changed=vendor/library/timing.c
  cargo:rerun-if-changed=vendor/library/.gitignore
  cargo:rerun-if-changed=vendor/library/ssl_debug_helpers_generated.c
  cargo:rerun-if-changed=vendor/library/hash_info.h
  cargo:rerun-if-changed=vendor/library/ssl_tls13_invasive.h
  cargo:rerun-if-changed=vendor/library/pk_wrap.c
  cargo:rerun-if-changed=vendor/library/ecjpake.c
  cargo:rerun-if-changed=vendor/library/bignum_core.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_cipher.c
  cargo:rerun-if-changed=vendor/library/ecp_internal_alt.h
  cargo:rerun-if-changed=vendor/library/x509_crl.c
  cargo:rerun-if-changed=vendor/library/rsa_alt_helpers.c
  cargo:rerun-if-changed=vendor/library/ssl_misc.h
  cargo:rerun-if-changed=vendor/library/mps_error.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_client.c
  cargo:rerun-if-changed=vendor/library/des.c
  cargo:rerun-if-changed=vendor/library/bignum_mod.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_slot_management.h
  cargo:rerun-if-changed=vendor/library/ssl_tls12_client.c
  cargo:rerun-if-changed=vendor/library/ssl_tls13_keys.h
  cargo:rerun-if-changed=vendor/library/rsa_alt_helpers.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_random_impl.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_mac.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_ecp.c
  cargo:rerun-if-changed=vendor/library/ripemd160.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_hash.h
  cargo:rerun-if-changed=vendor/library/platform.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_hash.c
  cargo:rerun-if-changed=vendor/library/padlock.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_aead.c
  cargo:rerun-if-changed=vendor/library/ssl_msg.c
  cargo:rerun-if-changed=vendor/library/x509write_csr.c
  cargo:rerun-if-changed=vendor/library/entropy_poll.c
  cargo:rerun-if-changed=vendor/library/lms.c
  cargo:rerun-if-changed=vendor/library/x509_crt.c
  cargo:rerun-if-changed=vendor/library/ecp_invasive.h
  cargo:rerun-if-changed=vendor/library/ecdsa.c
  cargo:rerun-if-changed=vendor/library/mps_reader.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_ecp.h
  cargo:rerun-if-changed=vendor/library/aria.c
  cargo:rerun-if-changed=vendor/library/Makefile
  cargo:rerun-if-changed=vendor/library/gcm.c
  cargo:rerun-if-changed=vendor/library/asn1write.c
  cargo:rerun-if-changed=vendor/library/bn_mul.h
  cargo:rerun-if-changed=vendor/library/padlock.h
  cargo:rerun-if-changed=vendor/library/net_sockets.c
  cargo:rerun-if-changed=vendor/library/aesce.c
  cargo:rerun-if-changed=vendor/library/hmac_drbg.c
  cargo:rerun-if-changed=vendor/library/hash_info.c
  cargo:rerun-if-changed=vendor/library/poly1305.c
  cargo:rerun-if-changed=vendor/library/ssl_ciphersuites.c
  cargo:rerun-if-changed=vendor/library/aes.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_rsa.h
  cargo:rerun-if-changed=vendor/library/threading.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_its.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_se.c
  cargo:rerun-if-changed=vendor/library/psa_its_file.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_rsa.c
  cargo:rerun-if-changed=vendor/library/aesni.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_driver_wrappers.h
  cargo:rerun-if-changed=vendor/library/sha256.c
  cargo:rerun-if-changed=vendor/library/bignum_mod_raw.h
  cargo:rerun-if-changed=vendor/library/pkwrite.c
  cargo:rerun-if-changed=vendor/library/cipher_wrap.c
  cargo:rerun-if-changed=vendor/library/md5.c
  cargo:rerun-if-changed=vendor/library/pk.c
  cargo:rerun-if-changed=vendor/library/pkcs12.c
  cargo:rerun-if-changed=vendor/library/pkcs7.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_core.h
  cargo:rerun-if-changed=vendor/library/entropy_poll.h
  cargo:rerun-if-changed=vendor/library/x509_create.c
  cargo:rerun-if-changed=vendor/library/ssl_tls13_generic.c
  cargo:rerun-if-changed=vendor/library/ssl_ticket.c
  cargo:rerun-if-changed=vendor/library/lmots.h
  cargo:rerun-if-changed=vendor/library/cipher.c
  cargo:rerun-if-changed=vendor/library/bignum_mod.h
  cargo:rerun-if-changed=vendor/library/mps_common.h
  cargo:rerun-if-changed=vendor/library/constant_time_internal.h
  cargo:rerun-if-changed=vendor/library/bignum_core.h
  cargo:rerun-if-changed=vendor/library/pkparse.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_core_common.h
  cargo:rerun-if-changed=vendor/library/ecdh.c
  cargo:rerun-if-changed=vendor/library/constant_time_invasive.h
  cargo:rerun-if-changed=vendor/library/ssl_tls12_server.c
  cargo:rerun-if-changed=vendor/library/aesni.c
  cargo:rerun-if-changed=vendor/library/sha512.c
  cargo:rerun-if-changed=vendor/library/nist_kw.c
  cargo:rerun-if-changed=vendor/library/ecp_curves.c
  cargo:rerun-if-changed=vendor/library/mps_trace.c
  cargo:rerun-if-changed=vendor/library/ssl_client.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_cipher.h
  cargo:rerun-if-changed=vendor/library/pk_wrap.h
  cargo:rerun-if-changed=vendor/library/aesce.h
  cargo:rerun-if-changed=vendor/library/entropy.c
  cargo:rerun-if-changed=vendor/library/check_crypto_config.h
  cargo:rerun-if-changed=vendor/library/base64.c
  cargo:rerun-if-changed=vendor/library/md_wrap.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_storage.h
  cargo:rerun-if-changed=vendor/library/debug.c
  cargo:rerun-if-changed=vendor/library/cmac.c
  cargo:rerun-if-changed=vendor/library/rsa.c
  cargo:rerun-if-changed=vendor/library/dhm.c
  cargo:rerun-if-changed=vendor/library/pem.c
  cargo:rerun-if-changed=vendor/library/ssl_tls.c
  cargo:rerun-if-changed=vendor/library/ssl_cookie.c
  cargo:rerun-if-changed=vendor/library/ccm.c
  cargo:rerun-if-changed=vendor/library/ssl_cache.c
  cargo:rerun-if-changed=vendor/library/pkwrite.h
  cargo:rerun-if-changed=vendor/library/version.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_pake.c
  cargo:rerun-if-changed=vendor/library/bignum_mod_raw_invasive.h
  cargo:rerun-if-changed=vendor/library/constant_time.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_mac.h
  cargo:rerun-if-changed=vendor/library/ssl_tls13_keys.c
  cargo:rerun-if-changed=vendor/library/pkcs5.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_se.h
  cargo:rerun-if-changed=vendor/library/ssl_tls13_client.c
  cargo:rerun-if-changed=vendor/library/x509_csr.c
  cargo:rerun-if-changed=vendor/library/sha1.c
  cargo:rerun-if-changed=vendor/library/platform_util.c
  cargo:rerun-if-changed=vendor/library/CMakeLists.txt
  cargo:rerun-if-changed=vendor/library/psa_crypto_storage.c
  cargo:rerun-if-changed=vendor/library/oid.c
  cargo:rerun-if-changed=vendor/library/x509.c
  cargo:rerun-if-changed=vendor/library/psa_util.c
  cargo:rerun-if-changed=vendor/library/mps_trace.h
  cargo:rerun-if-changed=vendor/library/bignum.c
  cargo:rerun-if-changed=vendor/library/bignum_mod_raw.c
  cargo:rerun-if-changed=vendor/library/ssl_debug_helpers.h
  cargo:rerun-if-changed=vendor/library/chachapoly.c
  cargo:rerun-if-changed=vendor/library/mps_reader.c
  cargo:rerun-if-changed=vendor/library/x509write_crt.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_invasive.h
  cargo:rerun-if-changed=vendor/library/psa_crypto_pake.h
  cargo:rerun-if-changed=vendor/library/ctr_drbg.c
  cargo:rerun-if-changed=vendor/library/cipher_wrap.h
  cargo:rerun-if-changed=vendor/library/hkdf.c
  cargo:rerun-if-changed=vendor/library/camellia.c
  cargo:rerun-if-changed=vendor/library/psa_crypto_aead.h
  cargo:rerun-if-changed=vendor/library/lmots.c
  OPT_LEVEL = Some("0")
  TARGET = Some("x86_64-unknown-freebsd")
  HOST = Some("x86_64-unknown-linux-gnu")
  cargo:rerun-if-env-changed=CC_x86_64-unknown-freebsd
  CC_x86_64-unknown-freebsd = None
  cargo:rerun-if-env-changed=CC_x86_64_unknown_freebsd
  CC_x86_64_unknown_freebsd = Some("x86_64-unknown-freebsd12-gcc")
  cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-freebsd
  CFLAGS_x86_64-unknown-freebsd = None
  cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_freebsd
  CFLAGS_x86_64_unknown_freebsd = None
  cargo:rerun-if-env-changed=TARGET_CFLAGS
  TARGET_CFLAGS = None
  cargo:rerun-if-env-changed=CFLAGS
  CFLAGS = None
  cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
  CRATE_CC_NO_DEFAULTS = None
  DEBUG = Some("true")
  CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
  CMAKE_TOOLCHAIN_FILE_x86_64-unknown-freebsd = None
  CMAKE_TOOLCHAIN_FILE_x86_64_unknown_freebsd = None
  TARGET_CMAKE_TOOLCHAIN_FILE = None
  CMAKE_TOOLCHAIN_FILE = None
  CMAKE_GENERATOR_x86_64-unknown-freebsd = None
  CMAKE_GENERATOR_x86_64_unknown_freebsd = None
  TARGET_CMAKE_GENERATOR = None
  CMAKE_GENERATOR = None
  CMAKE_PREFIX_PATH_x86_64-unknown-freebsd = None
  CMAKE_PREFIX_PATH_x86_64_unknown_freebsd = None
  TARGET_CMAKE_PREFIX_PATH = None
  CMAKE_PREFIX_PATH = None
  CMAKE_x86_64-unknown-freebsd = None
  CMAKE_x86_64_unknown_freebsd = None
  TARGET_CMAKE = None
  CMAKE = None
  running: cd "/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out/build" && CMAKE_PREFIX_PATH="" "cmake" "/home/ubuntu/.cargo/registry/src/github.com-1ecc6299db9ec823/mbedtls-sys-auto-3.5.0-alpha.2+0b3de6f/vendor" "-DENABLE_PROGRAMS=OFF" "-DENABLE_TESTING=OFF" "-DCMAKE_SYSTEM_NAME=FreeBSD" "-DCMAKE_SYSTEM_PROCESSOR=amd64" "-DCMAKE_INSTALL_PREFIX=/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out" "-DCMAKE_C_FLAGS= -DMBEDTLS_CONFIG_FILE=\"\\\"/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out/config.h\\\"\" -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_C_COMPILER=/usr/local/bin/x86_64-unknown-freebsd12-gcc" "-DCMAKE_CXX_FLAGS= -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_CXX_COMPILER=/usr/local/bin/x86_64-unknown-freebsd12-g++" "-DCMAKE_ASM_FLAGS= -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_ASM_COMPILER=/usr/local/bin/x86_64-unknown-freebsd12-gcc" "-DCMAKE_BUILD_TYPE=Debug"
  -- Configuring done
  -- Generating done
  -- Build files have been written to: /target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out/build
  running: cd "/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out/build" && MAKEFLAGS="-j --jobserver-fds=12,13 --jobserver-auth=12,13" "cmake" "--build" "." "--target" "lib" "--config" "Debug"
  Consolidate compiler generated dependencies of target mbedcrypto
  [  1%] Building C object library/CMakeFiles/mbedcrypto.dir/aes.c.o
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  [ 62%] Building C object library/CMakeFiles/mbedcrypto.dir/ripemd160.c.o
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  [ 64%] Building C object library/CMakeFiles/mbedcrypto.dir/rsa_alt_helpers.c.o
  [ 65%] Building C object library/CMakeFiles/mbedcrypto.dir/sha1.c.o
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  [ 71%] Linking C static library libmbedcrypto.a
  [ 73%] Built target mbedcrypto
  Consolidate compiler generated dependencies of target mbedx509
  [ 74%] Building C object library/CMakeFiles/mbedx509.dir/pkcs7.c.o
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  [ 82%] Built target mbedx509
  Consolidate compiler generated dependencies of target mbedtls
  [ 83%] Building C object library/CMakeFiles/mbedtls.dir/debug.c.o
  [ 84%] Building C object library/CMakeFiles/mbedtls.dir/mps_reader.c.o
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  [ 98%] Building C object library/CMakeFiles/mbedtls.dir/ssl_tls13_generic.c.o
  [ 99%] Linking C static library libmbedtls.a
  [100%] Built target mbedtls
  [100%] Built target lib
  cargo:root=/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out
  cargo:rustc-link-search=native=/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out/build/library
  cargo:rustc-link-search=native=/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out/build/crypto/library
  cargo:rustc-link-lib=mbedtls
  cargo:rustc-link-lib=mbedx509
  cargo:rustc-link-lib=mbedcrypto
  cargo:include=/home/ubuntu/.cargo/registry/src/github.com-1ecc6299db9ec823/mbedtls-sys-auto-3.5.0-alpha.2+0b3de6f/vendor/include
  cargo:config_h=/target/x86_64-unknown-freebsd/debug/build/mbedtls-sys-auto-83f93d0eb151c3a5/out/config.h
  OPT_LEVEL = Some("0")
  TARGET = Some("x86_64-unknown-freebsd")
  HOST = Some("x86_64-unknown-linux-gnu")
  cargo:rerun-if-env-changed=CC_x86_64-unknown-freebsd
  CC_x86_64-unknown-freebsd = None
  cargo:rerun-if-env-changed=CC_x86_64_unknown_freebsd
  CC_x86_64_unknown_freebsd = Some("x86_64-unknown-freebsd12-gcc")
  cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-freebsd
  CFLAGS_x86_64-unknown-freebsd = None
  cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_freebsd
  CFLAGS_x86_64_unknown_freebsd = None
  cargo:rerun-if-env-changed=TARGET_CFLAGS
  TARGET_CFLAGS = None
  cargo:rerun-if-env-changed=CFLAGS
  CFLAGS = None
  cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
  CRATE_CC_NO_DEFAULTS = None
  DEBUG = Some("true")
  CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")

  --- stderr
  vendor/include/mbedtls/platform_time.h:38:10: fatal error: 'time.h' file not found
  thread 'main' panicked at 'bindgen error: ClangDiagnostic("vendor/include/mbedtls/platform_time.h:38:10: fatal error: 'time.h' file not found\n")', /home/ubuntu/.cargo/registry/src/github.com-1ecc6299db9ec823/mbedtls-sys-auto-3.5.0-alpha.2+0b3de6f/build/bindgen.rs:113:25
  note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

[cruxpot]

Curious if anyone else has issues with the freebsd docker image cmake setup? It seems that many of them work just fine. I successfully tested this crate specifically for cross compilation on 13 different targets which includes arm, mips, powerpc and intel targets. This seems to be the most cross platform TLS library for rust that I could find.

[JamesMConroy]

I was able to reproduce this error and narrow it down to an issue when generating code with rust-bindgen.

Here is an example repo with out any dependency on cmake or mbedtls that just tries to generate bindings for time.h. https://github.com/JamesMConroy/bindgen-cross-freebsd

When building for freebsd I get the same error and when trying to compile rust-mbedtls for freebsd.

I am not sure if it is an issue with cross or bindgen.

[JamesMConroy]

I just build a FreeBSD vm and compiled both my minimal example and rust-mbedtls on there no problem. So this is an issue with cross or the FreeBSD image.

[Emilgardis]

it's definitely the image then, cross doesn't do anything special except calling the container engine to mount the filesystem and then call cargo.