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[vcpkg scripts] use CMAKE_C_COMPILER_TARGET to detect cross-compilation #41651

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[vcpkg scripts] use CMAKE_C_COMPILER_TARGET to detect cross-compilation #41651

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7 changes: 5 additions & 2 deletions scripts/cmake/vcpkg_configure_make.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -399,8 +399,11 @@ function(vcpkg_configure_make)
# This is used via --host as a prefix for all other bin tools as well.
# Setting the compiler directly via CC=arm-linux-gnueabihf-gcc does not work acording to:
# https://www.gnu.org/software/autoconf/manual/autoconf-2.65/html_node/Specifying-Target-Triplets.html
if(VCPKG_DETECTED_CMAKE_C_COMPILER MATCHES "([^\/]*)-gcc$" AND CMAKE_MATCH_1)
set(arg_BUILD_TRIPLET "--host=${CMAKE_MATCH_1}") # (Host activates crosscompilation; The name given here is just the prefix of the host tools for the target)
# (--host activates crosscompilation; The name given here is just the prefix of the host tools for the target)
if (VCPKG_DETECTED_CMAKE_C_COMPILER_TARGET)
set(arg_BUILD_TRIPLET "--host=${VCPKG_DETECTED_CMAKE_C_COMPILER_TARGET}")
elseif(VCPKG_DETECTED_CMAKE_C_COMPILER MATCHES "([^\/]*)-gcc$" AND CMAKE_MATCH_1)
set(arg_BUILD_TRIPLET "--host=${CMAKE_MATCH_1}")
endif()
debug_message("Using make triplet: ${arg_BUILD_TRIPLET}")
endif()
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