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cmake looking for files from a previous SDK
I'm trying to compile the program texstudio with
git clone [email protected]:texstudio-org/texstudio.git
cd texstudio
mkdir build
cd build
cmake ..
cmake --build .
Since the update to xcode 26.0.1, I get the error
*** No rule to make target `/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.sdk/usr/lib/libbz2.tbd', needed by `texstudio.app/Contents/MacOS/texstudio'. Stop.
If I look into the folder /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/, the following SDKs are present:
MacOSX.sdk
MacOSX26.0.sdk
MacOSX26.sdk
My guess is that there might be a cache problem somewhere, which makes cmake look for the previously installed MacOSX15.sdk?
Is there any other solution than downgrading to a previous version of xcode?
Copying MacOSX15.sdk from my time machine backup allows me to compile the project, but will presumable be overwritten by the next xcode update.
System:
- macOS 15.7 (I'd like to wait with the update to macOS26 a bit longer)
- xcode 26.0.1
- cmake version 4.1.1
1 answer
The only cache files CMake generates are in the specified build directory, so if you've wiped that out and/or built from a clean checkout, cache files from an old build cannot be the issue (by the way, you don't need three lines to initialise the build directory: a simple cmake -S . -B build in the source directory will do it in one step).
A quick grep of the source code does not indicate any obviously hard-coded SDK versions or paths (which are possible in CMake, using e.g. the CMAKE_OSX_SYSROOT variable), so my guess is that the SDK requirement is coming from a dependency.
The INSTALL file mentions that Qt is a required build dependency, and the CMake script is using find_package(Qt ...) to locate it, without using any local path overrides. Therefore I would assume that you need a system-wide installation of Qt in order to build this software. Is it possible that the particular version of Qt you have installed on your Mac needs to be upgraded to a later point release in order to support the latest XCode and its SDK?
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