language: c os: - linux - osx compiler: - gcc - clang before_install: - 'if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export CFLAGS="-I/usr/local/opt/openssl/include $CFLAGS" LDFLAGS="-L/usr/local/opt/openssl/lib $LDFLAGS"; fi' # before build script, run autoreconf before_script: autoreconf -fiv