p5.26-net-ssleay @1.850.0 - Fails to build after Mojave/Command Line Tools/MacPorts upgrade, assumes sysroot is full XCode installation

[sdohtem (Derek Coulter)]

After upgrading to macOS 10.14 Mojave, I re-installed XCode Command Line Tools (using xcode-select --install) and MacPorts 2.5.4 for Mojave (using the PKG installer). After these changes, the p5.26-net-ssleay port fails to build. All other ports I use install without issue. Twice I tried completely removing both Command Line Tools and MacPorts and then re-installing these and the ports I use, but without resolving the p5.26-net-ssleay failure. Prior to the upgrades, this port built without any issues.

Here is the output from port clean followed by port install:

$ sudo port clean p5.26-net-ssleay
Warning: xcodebuild exists but failed to execute
--->  Cleaning p5.26-net-ssleay

$ sudo port install p5.26-net-ssleay
Warning: xcodebuild exists but failed to execute
Warning: Xcode does not appear to be installed; most ports will likely fail to build.
--->  Computing dependencies for p5.26-net-ssleay
--->  Fetching archive for p5.26-net-ssleay
... Several 'Attempting to fetch' lines cut ...
--->  Attempting to fetch p5.26-net-ssleay-1.850.0_0.darwin_18.x86_64.tbz2 from http://sea.us.packages.macports.org/macports/packages/p5.26-net-ssleay
--->  Fetching distfiles for p5.26-net-ssleay
--->  Verifying checksums for p5.26-net-ssleay
--->  Extracting p5.26-net-ssleay
--->  Applying patches to p5.26-net-ssleay
--->  Configuring p5.26-net-ssleay
--->  Building p5.26-net-ssleay
Error: Failed to build p5.26-net-ssleay: command execution failed
Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_perl_p5-net-ssleay/p5.26-net-ssleay/main.log for details.
Error: Follow https://guide.macports.org/#project.tickets to report a bug.
Error: Processing of port p5.26-net-ssleay failed

Attached is the main.log file that port install cites at the end of its output. I'm not an expert, but line 393 seems to show the culprit: The -isysroot compiler switch specifies a path that assumes the full XCode installation, which is not present on my system. Note that xcode-select -p returns the correct path to the Command Line Tools installation, which contains the SDK specified on line 393 of the log file.

Not sure if I'm doing something wrong. Hopefully there's a simple fix for this. Much appreciated if someone can suggest a reasonably easy workaround. Thanks in advance.

[ryandesign (Ryan Carsten Schmidt)]

When perl gets built, it records some information that then gets used to build perl modules later. That includes the path to the SDK that was used. I guess you got a prebuilt binary from our build server, where we do have Xcode installed, so the path to Xcode got baked into perl.

Your options are either to install Xcode, so that those paths exist (this is the recommended solution), or rebuild perl5.26 from source with sudo port -ns upgrade --force perl5.26 so that it records the paths to the command line tools SDK instead.

[sdohtem (Derek Coulter)]

Forcing a source build did the trick. Thanks!!!

[engelfrost (Josef Engelfrost)]

Note to anyone else finding this: I also had to re-install Command Line Tools after building Perl from source. Running xcode-select --install did not work - it just said Command Line Tools were already installed.

sudo port -ns upgrade --force perl5.26

softwareupdate --install Command\ Line\ Tools\ \(macOS\ Mojave\ version\ 10.14\)\ for\ Xcode-10.2

[mf2k (Frank Schima)]

Error is:

:info:build In file included from SSLeay.xs:141:
:info:build /opt/local/lib/perl5/5.26/darwin-thread-multi-2level/CORE/perl.h:694:10: fatal error: 'sys/types.h' file not found
:info:build #include <sys/types.h>
:info:build          ^~~~~~~~~~~~~
:info:build 1 error generated.

[woolsweater (Josh Caswell)]

One can also encounter this if Xcode has been renamed from /Applications/Xcode.app (if keeping a few versions, for example). I had the same problem while installing git, and the failing dependency was p5.28-net-ssleay, not 5.26, but the resolution was the same: force a build of perl, then re-install the Command Line Tools.

[jmroot (Joshua Root)]

Current version appears to build OK. The SDK path baked into perl was addressed via #62440.