docs: fix iOS build script & use xcrun SDK path #5596
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martin-frbg
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Jan 10, 2026
docs/install.md
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| CFLAGS="-O2 -Wno-macro-redefined -isysroot $SDKROOT -arch arm64 -miphoneos-version-min=10.0" | ||
| make TARGET=ARMV8 DYNAMIC_ARCH=1 NUM_THREADS=32 HOSTCC=clang NOFORTRAN=1 | ||
| make libs TARGET=ARMV8 DYNAMIC_ARCH=1 NUM_THREADS=32 HOSTCC=clang NOFORTRAN=1 |
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I do not think this change is correct - why would you want to make "libs" only instead of a full build ?
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Build only the libraries (make libs) to avoid running iOS test binaries on macOS
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If you think make libs is wrong, I can roll it back. Are there any other problems?
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Cross-build condition should already prevent running the tests
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The original script had an invalid CFLAGS assignment (CFLAGS= -O2 ...), which caused zsh to treat -O2 as a command and fail with:
It also hardcoded the iPhoneOS SDK and Xcode toolchain paths, which may not exist on all machines and can prevent the build from running successfully.
This update:
Fix the shell syntax by assigning CFLAGS correctly
Use
xcrun --sdk iphoneos --show-sdk-pathto resolve the active iOS SDK dynamicallyBuild only the libraries (make libs) to avoid running iOS test binaries on macOS
I have tested this on a real macOS machine and the build completes successfully.