Update MacOS instructions to reflect changes in Catalina #380
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| First install Xcode via ```xcode-select --install``` and accept the license. ```xcodebuild -license``` | ||
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| Once you have installed XCode and the command line tools as well as agreed to the end user license you can install the prerequisite software either by using MacPorts or by using Homebrew. | ||
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| With the release of MacOS Catalina, Apple no longer provides an installation of gcc. The command ```gcc``` is an alias for clang. When building Haiku you need to provide it with instructions to use gcc, which can be installed by both Homebrew and MacPorts. This process likely looks something like ```CC=/usr/local/bin/gcc-9 jam -q -j2 @nightly-anyboot```. |
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This should not be necessary, the host tools can be built with Clang, and all other tools use the crosstools built using configure.
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(If using Clang triggered errors, these should be fixed.)
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If i remember correctly from discussing this on IRC, our Jamfiles end up passing -I- to clang instead of using -iquote. Something is probably wrong with us trying to detect gcc version from clang output, and we think it's a gcc2.
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Yeah that's correct. Should I open an issue on trac with the build output I get when clang is used?
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Please do. I'll close this then.
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Redoing all steps from pre-reqs to building now. Homebrew does prevent force linking bison, so maybe the instructions should be updated in regards to that?
mull$Haiku brew link bison --force
Warning: Refusing to link macOS provided/shadowed software: bison
If you need to have bison first in your PATH run:
echo 'export PATH="/usr/local/opt/bison/bin:$PATH"' >> /Users/mull/.bash_profile
For compilers to find bison you may need to set:
export LDFLAGS="-L/usr/local/opt/bison/lib"
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