failed to run custom build command for openssl v0.7.14

[tyagi2109]

Hi,

Not able to build pencil project on Mac OS X. Got this Error.

error: failed to run custom build command for openssl v0.7.14
process didn't exit successfully: /private/tmp/p1/target/debug/build/openssl-acc287ae94d4e2d3/build-script-build (exit code: 101)
--- stdout
TARGET = Some("x86_64-apple-darwin")
OPT_LEVEL = Some("0")
TARGET = Some("x86_64-apple-darwin")
HOST = Some("x86_64-apple-darwin")
TARGET = Some("x86_64-apple-darwin")
TARGET = Some("x86_64-apple-darwin")
HOST = Some("x86_64-apple-darwin")
CC_x86_64-apple-darwin = None
CC_x86_64_apple_darwin = None
HOST_CC = None
CC = None
HOST = Some("x86_64-apple-darwin")
TARGET = Some("x86_64-apple-darwin")
HOST = Some("x86_64-apple-darwin")
CFLAGS_x86_64-apple-darwin = None
CFLAGS_x86_64_apple_darwin = None
HOST_CFLAGS = None
CFLAGS = None
DEBUG = Some("true")
running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/private/tmp/p1/target/debug/build/openssl-8eb0017b41a0b327/out/src/c_helpers.o" "-c" "src/c_helpers.c"
cargo:warning=src/c_helpers.c:1:10: fatal error: 'openssl/ssl.h' file not found
cargo:warning=#include <openssl/ssl.h>
cargo:warning= ^
cargo:warning=1 error generated.
exit code: 1

--- stderr
thread 'main' panicked at '

Internal error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/private/tmp/p1/target/debug/build/openssl-8eb0017b41a0b327/out/src/c_helpers.o" "-c" "src/c_helpers.c" with args "cc" did not execute successfully (status code exit code: 1).

[kloenk]

+1

[nenodias]

Install servo dependencies and try again with
cargo clean
cargo build

https://github.com/servo/servo#prerequisites