Guy, I would agree with you, but I've been told that OSX is moving away from it's Unix heritage and placing libraries in non-traditional locations (not /usr or /usr/local) and that's going to be increasingly the norm in the future.
https://apple.stackexchange.com/questions/337940/why-is-usr-include-missing-i-have-xcode-and-command-line-tools-installed-moja On Tue, Jun 4, 2019 at 3:24 PM Guy Harris <g...@alum.mit.edu> wrote: > On Jun 3, 2019, at 3:27 PM, Juan E. Sanchez <juan.e.sanc...@gmail.com> > wrote: > > > It looks like macOS made it so you have to do something like this: > > open > /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg > > > > for libraries and includes to be put into /usr. > > *Libraries* should exist in /usr/lib regardless of whether you do that, or > even whether you have Xcode, or the command-line developer tools, installed > - if you don't have the shared libraries in /usr/lib, programs using the > libraries won't work, and programs shipped with macOS use, at minimum, > libSystem, and may use other libraries. vi, for example, uses the ncurses > library. > > It's the *headers* that aren't installed in /usr/include by default. The > compiler *should* look in the directory where they're installed, however. > > Note that macOS 10.15 Catalina apparently has a separate read-only volume > that contains all the executables and libraries, and presumably including > /usr, so it may be *impossible* to arrange, on 10.15, that there be a > /usr/include directory. > -- > > Powered by www.kitware.com > > Please keep messages on-topic and check the CMake FAQ at: > http://www.cmake.org/Wiki/CMake_FAQ > > Kitware offers various services to support the CMake community. For more > information on each offering, please visit: > > CMake Support: http://cmake.org/cmake/help/support.html > CMake Consulting: http://cmake.org/cmake/help/consulting.html > CMake Training Courses: http://cmake.org/cmake/help/training.html > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Follow this link to subscribe/unsubscribe: > https://cmake.org/mailman/listinfo/cmake > -- Bryan <><
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