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cmake: cannot use CheckSymbolExists for _alloca

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_alloca is an intrinsic function on MSVC, which means it has no address and is no symbol.
Hence CheckSymbolExists will always fail finding it.
This commit is contained in:
Anonymous Maarten
2025-10-10 17:06:26 +02:00
committed by Anonymous Maarten
parent 6677fad1c8
commit 40d8ec4be9
3 changed files with 11 additions and 2 deletions
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cmake/PreseedEmscriptenCache.cmake
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@@ -4,6 +4,7 @@ if(EMSCRIPTEN)
set(HAVE_ALLOCA_H "1" CACHE INTERNAL "Have include alloca.h")
set(HAVE_LIBM "1" CACHE INTERNAL "Have library m")
set(HAVE_MALLOC "1" CACHE INTERNAL "Have include malloc.h")
set(HAVE_MALLOC_H "1" CACHE INTERNAL "Have include malloc.h")
set(LIBC_HAS_ABS "1" CACHE INTERNAL "Have symbol abs")
set(LIBC_HAS_ACOS "1" CACHE INTERNAL "Have symbol acos")
set(LIBC_HAS_ACOSF "1" CACHE INTERNAL "Have symbol acosf")