"Could not find directory of OpenSSL installation" in a docker build #1684

Teajey · 2022-09-10T06:29:27Z

I'm trying to build a binary for AWS Lambda here and have been stuck trying to get openssl-sys to build for a long time. I'm getting the error "Could not find directory of OpenSSL installation" even though I have libssl-dev installed, and even I tried throwing openssl in there for good measure.

I've tried exploring the resulting file system of the docker container to see where I could point OPENSSL_DIR, but I can't find anything containing an include and a lib directory like the build asks for.

OpenSSL is just being installed here in a very standard way, I don't see why it can't be found.

Thanks!

My Dockerfile:

FROM rust:1.63.0

RUN apt update
RUN apt install -y musl-tools pkg-config libssl-dev openssl

RUN rustup override set nightly-2022-08-09

RUN rustup target add x86_64-unknown-linux-musl

WORKDIR /build

COPY Cargo.lock .
COPY Cargo.toml .
RUN mkdir src
RUN echo "fn main() {}" > src/main.rs

RUN cargo build --release --target x86_64-unknown-linux-musl

My Cargo.toml:

[package]
name = "rust-dbucket"
version = "0.1.0"
edition = "2021"

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

[dependencies]
aws-config = "0.47.0"
aws-sdk-dynamodb = "0.17.0"
aws-sdk-secretsmanager = "0.17.0"
aws-smithy-client = { version = "0.47.0", features = ["test-util"] }
aws-smithy-http = "0.47.0"
base64 = "0.13.0"
chrono = "0.4.22"
color-eyre = "0.6.2"
derive_more = "0.99.17"
enum-iterator = "1.2.0"
futures = "0.3.24"
insta = "1.19.1"
itertools = "0.10.3"
juniper = "0.15.10"
juniper_rocket = "0.8.2"
lambda-web = { version = "0.2.0", features = ["rocket05"] }
reqwest = { version = "0.11.11", features = ["json"] }
rocket = "0.5.0-rc.2"
# Change back to crates.io version when https://github.com/lawliet89/rocket_cors/pull/108 is published
rocket_cors = { git = "https://github.com/lawliet89/rocket_cors.git", rev = "54fae070"  }
roxmltree = "0.15.0"
sentry = "0.27.0"
serde = { version = "1.0.144", features = ["derive"] }
serde_dynamo = { version = "4.0.6", features = ["aws-sdk-dynamodb+0_17"] }
serde_json = "1.0.85"
tokio = "1.20.1"

The error that I'm seeing:

#16 41.19 error: failed to run custom build command for `openssl-sys v0.9.75`
#16 41.19 
#16 41.19 Caused by:
#16 41.19   process didn't exit successfully: `/build/target/release/build/openssl-sys-bae4e2ea767ca796/build-script-main` (exit status: 101)
#16 41.19   --- stdout
#16 41.19   cargo:rustc-cfg=const_fn
#16 41.19   cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_MUSL_OPENSSL_LIB_DIR
#16 41.19   X86_64_UNKNOWN_LINUX_MUSL_OPENSSL_LIB_DIR unset
#16 41.19   cargo:rerun-if-env-changed=OPENSSL_LIB_DIR
#16 41.19   OPENSSL_LIB_DIR unset
#16 41.19   cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_MUSL_OPENSSL_INCLUDE_DIR
#16 41.19   X86_64_UNKNOWN_LINUX_MUSL_OPENSSL_INCLUDE_DIR unset
#16 41.19   cargo:rerun-if-env-changed=OPENSSL_INCLUDE_DIR
#16 41.19   OPENSSL_INCLUDE_DIR unset
#16 41.19   cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_MUSL_OPENSSL_DIR
#16 41.19   X86_64_UNKNOWN_LINUX_MUSL_OPENSSL_DIR unset
#16 41.19   cargo:rerun-if-env-changed=OPENSSL_DIR
#16 41.19   OPENSSL_DIR unset
#16 41.19   cargo:rerun-if-env-changed=OPENSSL_NO_PKG_CONFIG
#16 41.19   cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS_x86_64-unknown-linux-musl
#16 41.19   cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS_x86_64_unknown_linux_musl
#16 41.19   cargo:rerun-if-env-changed=TARGET_PKG_CONFIG_ALLOW_CROSS
#16 41.19   cargo:rerun-if-env-changed=PKG_CONFIG_ALLOW_CROSS
#16 41.19   cargo:rerun-if-env-changed=PKG_CONFIG_x86_64-unknown-linux-musl
#16 41.19   cargo:rerun-if-env-changed=PKG_CONFIG_x86_64_unknown_linux_musl
#16 41.19   cargo:rerun-if-env-changed=TARGET_PKG_CONFIG
#16 41.19   cargo:rerun-if-env-changed=PKG_CONFIG
#16 41.19   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-musl
#16 41.19   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_musl
#16 41.19   cargo:rerun-if-env-changed=TARGET_PKG_CONFIG_SYSROOT_DIR
#16 41.19   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
#16 41.19   run pkg_config fail: "pkg-config has not been configured to support cross-compilation.\n\nInstall a sysroot for the target platform and configure it via\nPKG_CONFIG_SYSROOT_DIR and PKG_CONFIG_PATH, or install a\ncross-compiling wrapper for pkg-config and set it via\nPKG_CONFIG environment variable."
#16 41.19 
#16 41.19   --- stderr
#16 41.19   thread 'main' panicked at '
#16 41.19 
#16 41.19   Could not find directory of OpenSSL installation, and this `-sys` crate cannot
#16 41.19   proceed without this knowledge. If OpenSSL is installed and this crate had
#16 41.19   trouble finding it,  you can set the `OPENSSL_DIR` environment variable for the
#16 41.19   compilation process.
#16 41.19 
#16 41.19   Make sure you also have the development packages of openssl installed.
#16 41.19   For example, `libssl-dev` on Ubuntu or `openssl-devel` on Fedora.
#16 41.19 
#16 41.19   If you're in a situation where you think the directory *should* be found
#16 41.19   automatically, please open a bug at https://github.com/sfackler/rust-openssl
#16 41.19   and include information about your system as well as this message.
#16 41.19 
#16 41.19   $HOST = x86_64-unknown-linux-gnu
#16 41.19   $TARGET = x86_64-unknown-linux-musl
#16 41.19   openssl-sys = 0.9.75
#16 41.19 
#16 41.19   ', /usr/local/cargo/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.9.75/build/find_normal.rs:191:5
#16 41.19   note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
#16 41.19 warning: build failed, waiting for other jobs to finish...
------
executor failed running [/bin/sh -c cargo build --release --target x86_64-unknown-linux-musl]: exit code: 101

The text was updated successfully, but these errors were encountered:

Teajey · 2022-09-10T07:21:10Z

Thanks to this article I've got it working. I had to build OpenSSL for musl. I hate to say that I've kind of blindly copied the build script without really understanding it but there ya go.

Here's what my Dockerfile looks like now:

FROM rust:1.63.0

RUN apt update
RUN apt install -y musl-tools

# ------------------------------- Build OpenSSL for the `musl` build target
RUN \
  ln -s /usr/include/x86_64-linux-gnu/asm /usr/include/x86_64-linux-musl/asm && \
  ln -s /usr/include/asm-generic /usr/include/x86_64-linux-musl/asm-generic && \
  ln -s /usr/include/linux /usr/include/x86_64-linux-musl/linux

WORKDIR /musl

RUN wget https://github.com/openssl/openssl/archive/OpenSSL_1_1_1f.tar.gz
RUN tar zxvf OpenSSL_1_1_1f.tar.gz 
WORKDIR /musl/openssl-OpenSSL_1_1_1f/

RUN CC="musl-gcc -fPIE -pie" ./Configure no-shared no-async --prefix=/musl --openssldir=/musl/ssl linux-x86_64
RUN make depend
RUN make -j$(nproc)
RUN make install
# -------------------------------

WORKDIR /build

RUN rustup override set nightly-2022-08-09

RUN rustup target add x86_64-unknown-linux-musl

COPY Cargo.lock .
COPY Cargo.toml .
RUN mkdir src
RUN echo "fn main() {}" > src/main.rs

ENV OPENSSL_DIR=/musl

RUN cargo build --release --target x86_64-unknown-linux-musl

polarathene · 2024-02-22T03:33:56Z

While the issue is old, this is for anyone else that lands here 😅

FWIW, since you're using Docker anyway you could just use the alpine version of the Rust image. You don't need to build openssl for musl as above that way :)

run pkg_config fail: "pkg-config has not been configured to support cross-compilation.\n\nInstall a sysroot for the target platform and configure it via\nPKG_CONFIG_SYSROOT_DIR and PKG_CONFIG_PATH, or install a\ncross-compiling wrapper for pkg-config and set it via\nPKG_CONFIG environment variable."

That error might be relevant, along with your cross compiling if you don't actually need it.

Since you're using the same arch + platform and just want to target -musl instead of -gnu for a static build, perhaps look at the advice in this issue: #1627 (comment)

UPDATE: In the linked issue I direct you to, I additionally document the vendored feature for the openssl crate, that'll build from source provided you have the required dependencies to do so successfully. I provided several examples that should help (including cross compiling to -musl target from a glibc build host like you were trying)👍

Teajey closed this as completed Sep 10, 2022

polarathene mentioned this issue Mar 9, 2024

cargo zigbuild doesn't support static glibc builds with an explicit --target rust-cross/cargo-zigbuild#231

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"Could not find directory of OpenSSL installation" in a docker build #1684

"Could not find directory of OpenSSL installation" in a docker build #1684

Teajey commented Sep 10, 2022

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"Could not find directory of OpenSSL installation" in a docker build #1684

"Could not find directory of OpenSSL installation" in a docker build #1684

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