osx_image: xcode9

before_install:

- |

set -euo pipefail

cache="$HOME"/.cache/matplotlib

fold_start() {

key=$1

title=$2

echo -e "travis_fold:start:$key\e[2K"

echo -e "travis_time:start:$key\e[2K"

tick="$(date +%s)"

echo "$title"

}

fold_end() {

key=$1

tock="$(date +%s)"

nano=000000000

echo -e "travis_time:end:$key:start=$tick$nano,finish=$tock$nano,duration=$((tock - tick))$nano\e[2K"

echo -e "travis_fold:end:$key\e[2K"

}

cached_download() {

file=$1

url=$2

shasum=$3

path="$cache/$file"

if [[ ! -f "$path"

|| "$(shasum -a 256 "$path" | awk '{print $1}')" != "$shasum" ]]

then

curl -L -o "$path" "$url"

fi

}

fold_start Python "Install Python 3.8 from python.org"

cached_download python-3.8.5-macosx10.9.pkg \

https://www.python.org/ftp/python/3.8.5/python-3.8.5-macosx10.9.pkg \

e27c5a510c10f830084fb9c60b9e9aa8719d92e4537a80e6b4252c02396f0d29

sudo installer -package "$cache"/python-3.8.5-macosx10.9.pkg -target /

sudo ln -s /usr/local/bin/python3 /usr/local/bin/python

hash -r

fold_end Python

fold_start ccache 'Install ccache (compile it ourselves)'

cached_download ccache-3.7.11.tar.xz \

https://github.com/ccache/ccache/releases/download/v3.7.11/ccache-3.7.11.tar.xz \

8d450208099a4d202bd7df87caaec81baee20ce9dd62da91e9ea7b95a9072f68

tar xf "$cache"/ccache-3.7.11.tar.xz

pushd ccache-3.7.11

./configure --prefix=/usr/local

make -j2

make install

for compiler in clang clang++ cc gcc c++ g++; do

ln -sf ccache /usr/local/bin/$compiler

fold_end ccache

fold_start freetype 'Install freetype (just unpack into the build directory)'

cached_download freetype-2.6.1.tar.gz \

https://download.savannah.gnu.org/releases/freetype/freetype-2.6.1.tar.gz \

0a3c7dfbda6da1e8fce29232e8e96d987ababbbf71ebc8c75659e4132c367014

mkdir -p build

tar -x -C build -f "$cache"/freetype-2.6.1.tar.gz

fold_end freetype