[macos] What is the "Illegal Instruction: 4" error and why does "-mmacosx-version-min=10.x" fix it?

I found my issue was an improper
if (leaf = NULL) {...}
where it should have been
if (leaf == NULL){...}

Check those compiler warnings!

Examples related to macos

Problems with installation of Google App Engine SDK for php in OS X dyld: Library not loaded: /usr/local/opt/openssl/lib/libssl.1.0.0.dylib dyld: Library not loaded: /usr/local/opt/icu4c/lib/libicui18n.62.dylib error running php after installing node with brew on Mac Could not install packages due to an EnvironmentError: [Errno 13] How do I install Java on Mac OSX allowing version switching? Git is not working after macOS Update (xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools) Can't compile C program on a Mac after upgrade to Mojave You don't have write permissions for the /Library/Ruby/Gems/2.3.0 directory. (mac user) How can I install a previous version of Python 3 in macOS using homebrew? Could not install packages due to a "Environment error :[error 13]: permission denied : 'usr/local/bin/f2py'"

Examples related to gcc

Can't compile C program on a Mac after upgrade to Mojave Compiling an application for use in highly radioactive environments Make Error 127 when running trying to compile code How to Install gcc 5.3 with yum on CentOS 7.2? How does one set up the Visual Studio Code compiler/debugger to GCC? How do I set up CLion to compile and run? CMake error at CMakeLists.txt:30 (project): No CMAKE_C_COMPILER could be found How to printf a 64-bit integer as hex? Differences between arm64 and aarch64 Fatal error: iostream: No such file or directory in compiling C program using GCC

Examples related to osx-lion

commands not found on zsh Why does cURL return error "(23) Failed writing body"? What is the "Illegal Instruction: 4" error and why does "-mmacosx-version-min=10.x" fix it? Location of the mongodb database on mac How do I timestamp every ping result? How to run iPhone emulator WITHOUT starting Xcode? configure: error: C compiler cannot create executables sudo: port: command not found Disable elastic scrolling in Safari Completely uninstall PostgreSQL 9.0.4 from Mac OSX Lion?

Examples related to osx-mountain-lion

Maven not found in Mac OSX mavericks Install gitk on Mac Error Installing Homebrew - Brew Command Not Found What is the "Illegal Instruction: 4" error and why does "-mmacosx-version-min=10.x" fix it? Socket File "/var/pgsql_socket/.s.PGSQL.5432" Missing In Mountain Lion (OS X Server)

Examples related to osx-leopard

What is the "Illegal Instruction: 4" error and why does "-mmacosx-version-min=10.x" fix it?