OpenSSL library not found

[SLASHLogin]

error:

 failed to run custom build command for `openssl-sys v0.9.24`
process didn't exit successfully: `C:\Users\przem\Desktop\Pliki\rust\clouder\target\debug\build\openssl-sys-37a83c20c1c3f413\build-script-build` (exit code: 101)
--- stdout
cargo:rerun-if-env-changed=X86_64_PC_WINDOWS_MSVC_OPENSSL_LIB_DIR
cargo:rerun-if-env-changed=OPENSSL_LIB_DIR
cargo:rerun-if-env-changed=X86_64_PC_WINDOWS_MSVC_OPENSSL_INCLUDE_DIR
cargo:rerun-if-env-changed=OPENSSL_INCLUDE_DIR
cargo:rerun-if-env-changed=X86_64_PC_WINDOWS_MSVC_OPENSSL_DIR
cargo:rerun-if-env-changed=OPENSSL_DIR
note: vcpkg did not find openssl as libcrypto and libssl : VcpkgNotFound("No vcpkg.user.targets found. Set the VCPKG_ROOT environment variable or run \'vcpkg integrate install\'")
note: vcpkg did not find openssl as ssleay32 and libeay32: VcpkgNotFound("No vcpkg.user.targets found. Set the VCPKG_ROOT environment variable or run \'vcpkg integrate install\'")

--- stderr
thread 'main' panicked at '

Could not find directory of OpenSSL installation, and this `-sys` crate cannot
proceed without this knowledge. If OpenSSL is installed and this crate had
trouble finding it,  you can set the `OPENSSL_DIR` environment variable for the
compilation process.

If you're in a situation where you think the directory *should* be found
automatically, please open a bug at https://github.com/sfackler/rust-openssl
and include information about your system as well as this message.

    $HOST = x86_64-pc-windows-msvc
    $TARGET = x86_64-pc-windows-msvc
    openssl-sys = 0.9.24


It looks like you're compiling for MSVC but we couldn't detect an OpenSSL
installation. If there isn't one installed then you can try the rust-openssl
README for more information about how to download precompiled binaries of
OpenSSL:

    https://github.com/sfackler/rust-openssl#windows

', C:\Users\przem\.cargo\registry\src\github.com-1ecc6299db9ec823\openssl-sys-0.9.24\build.rs:210:5
note: Run with `RUST_BACKTRACE=1` for a backtrace.

warning: build failed, waiting for other jobs to finish...
error: build failed

The environment:

OPENSSL_DIR = C:\OpenSSL-Win64
OPENSSL_CONF = C:\Program Files (x86)\OpenSSL-Win32\bin\openssl.cfg

[sfackler]

What is inside of C:\OpenSSL-Win64\include?

[SLASHLogin]

C:\OpenSSL-Win64\include\openssl - header files of c lang

[sfackler]

That message is only printed if OPENSSL_DIR isn't set - are you sure it's configured properly to be visible to Cargo and rustc?

[SLASHLogin]

It went properly when run with higher permission. Thank you!

[tylerlaberge]

If anyone is still running into this issue (like I was), I was able to resolve it just by updating/upgrading

sudo apt-get update
sudo apt-get upgrade

## attempt to build again

[zodiake]

https://docs.rs/openssl/0.10.16/openssl/

macOS
$ brew install openssl@1.1

Arch Linux
$ sudo pacman -S pkg-config openssl

Debian and Ubuntu
$ sudo apt-get install pkg-config libssl-dev

Fedora
$ sudo dnf install pkg-config openssl-devel

[steelx]

@zodiake thanks :)
$ sudo apt-get install pkg-config libssl-dev worked.

[yuanmomo]

@zodiake

Thanks.

$ sudo apt-get install pkg-config libssl-dev

this worked for me as well.

[arianxplore]

@zodiake Thanks :)

[Oskii]

I can't seem to install libssl-dev - any ideas?

Need to get 2906 kB of archives.
After this operation, 8010 kB of additional disk space will be used.
Err:1 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 libssl1.1 amd64 1.1.1f-1ubuntu2.10
  404  Not Found [IP: 91.189.91.38 80]
Err:2 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 libssl-dev amd64 1.1.1f-1ubuntu2.10
  404  Not Found [IP: 91.189.91.38 80]
E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/o/openssl/libssl1.1_1.1.1f-1ubuntu2.10_amd64.deb  404  Not Found [IP: 91.189.91.38 80]
E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/o/openssl/libssl-dev_1.1.1f-1ubuntu2.10_amd64.deb  404  Not Found [IP: 91.189.91.38 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?```

[fengbenming]

If anyone is still running into this issue (like I was), I was able to resolve it just by updating/upgrading

sudo apt-get update
sudo apt-get upgrade

## attempt to build again

It is really work, you can upgrade openssl can sovle problems. Why so many downs ？

[yourmoonlight]

If anyone is still running into this issue (like I was), I was able to resolve it just by updating/upgrading

sudo apt-get update
sudo apt-get upgrade

## attempt to build again

It is really work, you can upgrade openssl can sovle problems. Why so many downs ？

cause it it not work