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CMakeFindPackageMode: Honor CMAKE_SYSROOT to detect lib64 platforms

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Add `CMAKE_SYSROOT` to check the full path on host OS. In a
non-crosscompiling use case, the call to `CMAKE_SYSROOT` is empty.

Fixes: #22608
This commit is contained in:
Pablo Romero
2021-09-07 12:10:08 -04:00
committed by Brad King
parent ce6820fe21
commit 8defe3380e
1 changed files with 1 additions and 1 deletions
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2
Modules/CMakeFindPackageMode.cmake
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@@ -78,7 +78,7 @@ if(UNIX)
# from the outside
if(NOT CMAKE_SIZEOF_VOID_P)
set(CMAKE_SIZEOF_VOID_P 4)
if(EXISTS /usr/lib64)
if(EXISTS ${CMAKE_SYSROOT}/usr/lib64)
set(CMAKE_SIZEOF_VOID_P 8)
else()
# use the file utility to check whether itself is 64 bit: