无法安装avconv / libav

Question

我在OS X Mavericks上没有运气安装libav。我尝试了一切。

我正在遵循这个指南：http://earthwithsun.com/questions/568464/install-latest-libav-avconv-on-osx

在完成macport依赖性检查后，我会运行

./configure \
--enable-gpl --enable-libx264 --enable-libxvid \
--enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb \
--enable-nonfree --enable-libfaac \
--enable-libmp3lame --enable-libspeex --enable-libvorbis --enable-libtheora --enable-libvpx \
--enable-libopenjpeg --enable-libfreetype --enable-doc --enable-gnutls --enable-shared

此操作失败，并显示以下错误：

Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
ERROR: gnutls not found

If you think configure made a mistake, make sure you are using the latest
version from Git.  If the latest version fails, report the problem to the
[email protected] mailing list or IRC #libav on irc.freenode.net.
Include the log file "config.log" produced by configure as this will help
solving the problem.

错误：找不到gnutls

我在运行configure之前已经在环境中添加了头文件的路径，但仍然没有运气

export CFLAGS="-I/opt/local/include -L/opt/local/lib"
export CXXFLAGS="-I/opt/local/include -L/opt/local/lib"

有人可以帮忙吗？

Answer 1

我和你有同样的错误。你需要安装gnutls。

我在这里找到了一个方法：https://gist.github.com/morgant/1753095

这个完整的命令列表对我有用（OSX 10.6）：

cd ~/Desktop
mkdir wget-build
cd wget-build
curl -O ftp://ftp.gmplib.org/pub/gmp-5.0.2/gmp-5.0.2.tar.bz2
tar xjf gmp-5.0.2.tar.bz2
pushd gmp-5.0.2
CC=gcc-4.2 CXX=g++4.2 ./configure --prefix=/usr/local
make
sudo make install
popd
curl -O http://www.lysator.liu.se/~nisse/archive/nettle-2.4.tar.gz
tar xzf nettle-2.4.tar.gz
pushd nettle-2.4
CFLAGS="-m64" ./configure --prefix=/usr/local --disable-assembler
make
sudo make install
popd
curl -O http://ftp.gnu.org/gnu/gnutls/gnutls-2.12.12.tar.bz2
tar xjf gnutls-2.12.12.tar.bz2
pushd gnutls-2.12.12
CFLAGS="-m64" CXXFLAGS="-m64" ./configure --prefix=/usr/local --without-p11-kit
make
sudo make install
popd

您也可以尝试使用Brew（http://brew.sh/）并通过以下方式安装gnutls：

 brew install gnutls

最后第三种方式对我有用：

curl -O http://libav.org/releases/libav-10.1.tar.gz
tar xjf libav-10.1.tar.gz
cd libav-10.1
./configure
make install

请享用 ！

Answer 2

“brew install libav”不足以满足您的需求吗？

Answer 3

重新安装后它对我有用：

使用以下命令从Mac中删除brew：$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall)"

再次安装：$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"