brew install zlib-devel on Mac OS X Mavericks
Osx MavericksHomebrewZlibOsx Mavericks Problem Overview
Attempting to install the zlib-devel on mac os x mavericks with homebrew doesn't work:
brew install zlib-devel
Error: No available formula for zlib-devel
Searching taps...
This install
brew install zlib
works fine though.
Osx Mavericks Solutions
Solution 1 - Osx Mavericks
Just run in the command line:
xcode-select --install
In OS X 10.9+, the command line developer tools are now installed on demand. So after running this also zlib and zlib-devel should be available (no need for brew install zlib...)
Solution 2 - Osx Mavericks
For OS X Mojave
The reason is because Xcode Command Line tools no longer installs needed headers in /include. You have to run a separate command to install the needed headers.
As noted here - https://developer.apple.com/documentation/xcode_release_notes/xcode_10_release_notes
> The command line tools will search the SDK for system headers by
> default. However, some software may fail to build correctly against
> the SDK and require macOS headers to be installed in the base system
> under /usr/include. If you are the maintainer of such software, we
> encourage you to update your project to work with the SDK or file a
> bug report for issues that are preventing you from doing so. As a
> workaround, an extra package is provided which will install the
> headers to the base system. In a future release, this package will no
> longer be provided. You can find this package at:
> /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg
> To make sure that you're using the intended version of the command
> line tools, run xcode-select -s
Solution 3 - Osx Mavericks
xcode-select --install
doesn't solve this on Mojave for some reason.
Since this is the only library blocking, go to https://www.zlib.net and download source code. Select the "US (zlib.net)" hyperlink about halfway down the page for the tar.xz version.
Then find the download on your local machine and double click on the file. This will unzip the download and create a new folder in the same directly.
Then in Terminal:
cd
into the directory with the download- then
tar -xvf zlib-1.2.11.tar.xz
(Note thatzlib-1.2.11.tar.xz
may change depending on the latest version you've downloaded. Just run whatever file you're just downloaded.) - Change directories
cd zlib-1.2.11
./configure
make
make install
Solution 4 - Osx Mavericks
After running
xcode-select --install
Make sure your export these variables for the compiler
and the pkg-config
to find zlib
For compilers to find zlib
you may need to set:
export LDFLAGS="-L/usr/local/opt/zlib/lib"
export CPPFLAGS="-I/usr/local/opt/zlib/include"
For pkg-config to find zlib you may need to set:
export PKG_CONFIG_PATH="/usr/local/opt/zlib/lib/pkgconfig"
This is solved my issue with zlib
zipimport.ZipImportError: can't decompress data; zlib not available
Solution 5 - Osx Mavericks
In OS X 10.15 Catalina you need to run xcrun --show-sdk-path
to see where it is and than provide that path to compiler or do something like
export CPATH=`xcrun --show-sdk-path`/usr/include
that point directly to directory where zlib.h
is placed
or just
export CPATH=`xcrun --show-sdk-path`/usr
depending on what path is expected
Solution 6 - Osx Mavericks
Unfortunately none of the above methods worked for me So I did
brew reinstall python@2
pip install six
Hope it helps