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[vcpkg/scripts] add variable VCPKG_CROSSCOMPILING (#16900)

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* add VCPKG_CROSSCOMPILING

* update docs

* Apply suggestions from code review

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>

* update docs

Co-authored-by: nicole mazzuca <mazzucan@outlook.com>
This commit is contained in:
Alexander Neumann 2021-04-02 21:51:05 +02:00 committed by GitHub
parent db0ec30af6
commit 42c437bb33
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2 changed files with 3 additions and 0 deletions
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1
docs/maintainers/vcpkg_common_definitions.md
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@ -23,6 +23,7 @@ TARGET_TRIPLET the name of the current triplet to buil
CURRENT_INSTALLED_DIR the absolute path to the installed files for the current triplet
HOST_TRIPLET the name of the triplet corresponding to the host
CURRENT_HOST_INSTALLED_DIR the absolute path to the installed files for the host triplet
VCPKG_CROSSCOMPILING Whether vcpkg is cross-compiling: in other words, whether TARGET_TRIPLET and HOST_TRIPLET are different
```
CMAKE_STATIC_LIBRARY_(PREFIX|SUFFIX), CMAKE_SHARED_LIBRARY_(PREFIX|SUFFIX) and CMAKE_IMPORT_LIBRARY_(PREFIX|SUFFIX) are defined for the target

2
scripts/cmake/vcpkg_common_definitions.cmake
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@ -22,6 +22,7 @@ TARGET_TRIPLET the name of the current triplet to buil
CURRENT_INSTALLED_DIR the absolute path to the installed files for the current triplet
HOST_TRIPLET the name of the triplet corresponding to the host
CURRENT_HOST_INSTALLED_DIR the absolute path to the installed files for the host triplet
VCPKG_CROSSCOMPILING Whether vcpkg is cross-compiling: in other words, whether TARGET_TRIPLET and HOST_TRIPLET are different
```
CMAKE_STATIC_LIBRARY_(PREFIX|SUFFIX), CMAKE_SHARED_LIBRARY_(PREFIX|SUFFIX) and CMAKE_IMPORT_LIBRARY_(PREFIX|SUFFIX) are defined for the target
@ -29,6 +30,7 @@ Furthermore the variables CMAKE_FIND_LIBRARY_(PREFIXES|SUFFIXES) are also define
portfiles are able to use find_library calls to discover dependent libraries within the current triplet for ports.
#]===]
string(COMPARE EQUAL "${TARGET_TRIPLET}" "${HOST_TRIPLET}" VCPKG_CROSSCOMPILING)
#Helper variable to identify the Target system. VCPKG_TARGET_IS_<targetname>
if (NOT DEFINED VCPKG_CMAKE_SYSTEM_NAME OR VCPKG_CMAKE_SYSTEM_NAME STREQUAL "")
set(VCPKG_TARGET_IS_WINDOWS ON)