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[vcpkg_configure_make] Set the --host parameter in case of Linux crosscompile (#22331)

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Co-authored-by: nicole mazzuca <83086508+strega-nil-ms@users.noreply.github.com>

Co-authored-by: nicole mazzuca <83086508+strega-nil-ms@users.noreply.github.com>
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Daniel Schürmann 2022-02-09 07:53:17 +01:00 committed by GitHub
parent 122bdbcec6
commit d15470bb64
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1 changed files with 15 additions and 0 deletions
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15
scripts/cmake/vcpkg_configure_make.cmake
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@ -465,6 +465,21 @@ function(vcpkg_configure_make)
endif()
endif()
# Linux - cross-compiling support
if(VCPKG_TARGET_IS_LINUX)
if (requires_autoconfig AND NOT arg_BUILD_TRIPLET OR arg_DETERMINE_BUILD_TRIPLET)
# The regex below takes the prefix from the resulting CMAKE_C_COMPILER variable eg. arm-linux-gnueabihf-gcc
# set in the common toolchains/linux.cmake
# 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)
endif()
debug_message("Using make triplet: ${arg_BUILD_TRIPLET}")
endif()
endif()
# Cleanup previous build dirs
file(REMOVE_RECURSE "${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel"
"${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-dbg"