Mac OS 中安装 autoconf 和 automake

在Mac上面编译FFmpeg需要安装很多东西，首先是：autoconf 和 automake

curl -O http://mirrors.kernel.org/gnu/m4/m4-1.4.13.tar.gz

tar -xzvf m4-1.4.13.tar.gz

cd m4-1.4.13

./configure --prefix=/usr/local

make

sudo make install

cd ..

curl -O http://mirrors.kernel.org/gnu/autoconf/autoconf-2.65.tar.gz

tar -xzvf autoconf-2.65.tar.gz

cd autoconf-2.65

./configure --prefix=/usr/local # ironic, isn't it?

make

sudo make install

cd ..

# here you might want to restart your terminal session, to ensure the new autoconf is picked up and used in the rest of the script

curl -O http://mirrors.kernel.org/gnu/automake/automake-1.11.tar.gz

tar xzvf automake-1.11.tar.gz

cd automake-1.11

./configure --prefix=/usr/local

make

sudo make install

cd ..

curl -O http://mirrors.kernel.org/gnu/libtool/libtool-2.2.6b.tar.gz

tar xzvf libtool-2.2.6b.tar.gz

cd libtool-2.2.6b

./configure --prefix=/usr/local

make

sudo make install