[NFC][libclc] Set MACRO_ARCH to ${ARCH} uncondionally before customizing #156789
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Our downstream libclc add a few more targets that customizes build_flags
and opt_flags. Then in each customization block, MACRO_ARCH is defined
to be ${ARCH}.
Hoisting MACRO_ARCH definition out of if-else-end block avoids code
duplication. This also avoids potential error when MACRO_ARCH definition
is forgotten, e.g. in intel/llvm#19971.
frasercrmck
approved these changes
Sep 4, 2025
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Our downstream libclc add a few more targets that customizes build_flags and opt_flags. Then in each customization block, MACRO_ARCH is defined to be ${ARCH}.
Hoisting MACRO_ARCH definition out of if-else-end block avoids code duplication. This also avoids potential error when MACRO_ARCH definition is forgotten, e.g. in intel/llvm#19971.