Xcode 11.2 on Mojave and gcc7 or gcc9
Fielding, Eric J (US 329A)
eric.j.fielding at jpl.nasa.gov
Sun Nov 10 18:33:14 UTC 2019
My employer automatically installs the latest versions of MacOS software, including now Xcode 11.2. I have been seeing several suggestions that we should go back to Xcode 10.3, which I tried a few weeks ago when I was on Xcode 11.1. That was OK and all my ports were working until they upgraded my machine to Xcode 11.2. At first, there was an incompatibility between the version of the Swift library from my 10.3 installation that was still in the Xcode directories and the system Swift library so nothing in the compiler would work. I deleted my whole Xcode.app directory and reinstalled Xcode 11.2. Now that I have a clean Xcode 11.2, it does not have the MacOSX10.14.sdk installed and the gcc7 and gcc9 installations from MacPorts are still depending on that. I tried reinstalling the command-line tools, as someone suggested yesterday, but it tells me that they are already installed.
I uninstalled my gcc7 port and reinstalled it to see if it would update the libraries. The port install command installed the precompiled binaries that are linked to the MacOSX10.14.sdk, so it won’t run correctly. Can I force MacPorts to recompile gcc7 instead of using the precompiled binaries?
This is the output of ‘cpp -v’ from gcc7 (it is similar if I select gcc9):
Using built-in specs.
Configured with: /opt/local/var/macports/build/_opt_bblocal_var_buildworker_ports_build_ports_lang_gcc7/gcc7/work/gcc-7.4.0/configure --prefix=/opt/local --build=x86_64-apple-darwin18 --enable-languages=c,c++,objc,obj-c++,lto,fortran --libdir=/opt/local/lib/gcc7 --includedir=/opt/local/include/gcc7 --infodir=/opt/local/share/info --mandir=/opt/local/share/man --datarootdir=/opt/local/share/gcc-7 --with-local-prefix=/opt/local --with-system-zlib --disable-nls --program-suffix=-mp-7 --with-gxx-include-dir=/opt/local/include/gcc7/c++/ --with-gmp=/opt/local --with-mpfr=/opt/local --with-mpc=/opt/local --with-isl=/opt/local --enable-stage1-checking --disable-multilib --enable-lto --enable-libstdcxx-time --with-build-config=bootstrap-debug --with-as=/opt/local/bin/as --with-ld=/opt/local/bin/ld --with-ar=/opt/local/bin/ar --with-bugurl=https://trac.macports.org/newticket --disable-tls --with-pkgversion='MacPorts gcc7 7.4.0_3' --with-sysroot=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk
Thread model: posix
gcc version 7.4.0 (MacPorts gcc7 7.4.0_3)
COLLECT_GCC_OPTIONS='-E' '-v' '-mmacosx-version-min=10.14.7' '-asm_macosx_version_min=10.14' '-mtune=core2'
/opt/local/libexec/gcc/x86_64-apple-darwin18/7.4.0/cc1 -E -quiet -v -D__DYNAMIC__ - -fPIC -mmacosx-version-min=10.14.7 -mtune=core2
ignoring nonexistent directory "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/opt/local/include"
ignoring nonexistent directory "/opt/local/lib/gcc7/gcc/x86_64-apple-darwin18/7.4.0/../../../../../x86_64-apple-darwin18/include"
ignoring nonexistent directory "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include"
ignoring nonexistent directory "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/System/Library/Frameworks"
ignoring nonexistent directory "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/Library/Frameworks"
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