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cmake: Wrap vcpkg code in a function. 

Wrap the main body of code in Set-Toolchain-vcpkg.cmake in the
vcpkg_set_toolchain() function to not pollute the global variable
namespace with helper variables.

VCPKG_ROOT and toolchain variables are set in the cache.

Signed-off-by: Rafael Kitover <rkitover@gmail.com>
This commit is contained in:
Rafael Kitover 2020-01-17 21:55:26 +00:00
parent 47880ff9c6
commit 5cc1fd28b4
No known key found for this signature in database
GPG Key ID: 08AB596679D86240
1 changed files with 130 additions and 124 deletions
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66
cmake/Set-Toolchain-vcpkg.cmake
View File

@ -1,10 +1,14 @@
macro(vcpkg_check_git_status)
if(NOT vcpkg_git_status EQUAL 0)
if(NOT DEFINED VCPKG_TARGET_TRIPLET)
return()
endif()
function(vcpkg_check_git_status git_status)
if(NOT git_status EQUAL 0)
message(FATAL_ERROR "Error updating vcpkg from git, please make sure git for windows is installed correctly, it can be installed from Visual Studio components")
endif()
endmacro()
endfunction()
function(vcpkg_get_first_upgrade)
function(vcpkg_get_first_upgrade vcpkg_exe)
# First get the list of upgraded ports.
execute_process(
COMMAND ${vcpkg_exe} upgrade
@ -18,17 +22,14 @@ function(vcpkg_get_first_upgrade)
foreach(line ${upgrade_lines})
if(${line} MATCHES "^ [* ] ")
string(REGEX REPLACE "^ [* ] " "" vcpkg_first_upgrade ${line})
set(vcpkg_first_upgrade ${vcpkg_first_upgrade} PARENT_SCOPE)
string(REGEX REPLACE "^ [* ] " "" first_upgrade ${line})
set(first_upgrade ${first_upgrade} PARENT_SCOPE)
return()
endif()
endforeach()
endfunction()
if(NOT DEFINED VCPKG_TARGET_TRIPLET)
return()
endif()
function(vcpkg_set_toolchain)
if(NOT DEFINED ENV{VCPKG_ROOT})
if(WIN32)
if(DEFINED ENV{CI} OR EXISTS /vcpkg)
@ -47,16 +48,18 @@ else()
set(VCPKG_ROOT $ENV{VCPKG_ROOT})
endif()
set(VCPKG_ROOT ${VCPKG_ROOT} CACHE FILEPATH "vcpkg installation root path" FORCE)
if(NOT EXISTS ${VCPKG_ROOT})
get_filename_component(vcpkg_root_parent ${VCPKG_ROOT}/.. ABSOLUTE)
get_filename_component(root_parent ${VCPKG_ROOT}/.. ABSOLUTE)
execute_process(
COMMAND git clone https://github.com/microsoft/vcpkg.git
RESULT_VARIABLE vcpkg_git_status
WORKING_DIRECTORY ${vcpkg_root_parent}
RESULT_VARIABLE git_status
WORKING_DIRECTORY ${root_parent}
)
vcpkg_check_git_status()
vcpkg_check_git_status(${git_status})
else()
# this is the case when we cache vcpkg/installed with the appveyor build cache
if(NOT EXISTS ${VCPKG_ROOT}/.git)
@ -72,50 +75,50 @@ else()
execute_process(
COMMAND ${git_command}
RESULT_VARIABLE vcpkg_git_status
RESULT_VARIABLE git_status
WORKING_DIRECTORY ${VCPKG_ROOT}
)
vcpkg_check_git_status()
vcpkg_check_git_status(${git_status})
endforeach()
else()
execute_process(
COMMAND git fetch origin
RESULT_VARIABLE vcpkg_git_status
RESULT_VARIABLE git_status
WORKING_DIRECTORY ${VCPKG_ROOT}
)
vcpkg_check_git_status()
vcpkg_check_git_status(${git_status})
execute_process(
COMMAND git status
RESULT_VARIABLE vcpkg_git_status
RESULT_VARIABLE git_status
OUTPUT_VARIABLE git_status_text
WORKING_DIRECTORY ${VCPKG_ROOT}
)
vcpkg_check_git_status()
vcpkg_check_git_status(${git_status})
set(vcpkg_git_up_to_date FALSE)
set(git_up_to_date FALSE)
if(git_status_text MATCHES "Your branch is up to date with")
set(vcpkg_git_up_to_date TRUE)
set(git_up_to_date TRUE)
endif()
if(NOT vcpkg_git_up_to_date)
if(NOT git_up_to_date)
execute_process(
COMMAND git pull --rebase
RESULT_VARIABLE vcpkg_git_status
RESULT_VARIABLE git_status
WORKING_DIRECTORY ${VCPKG_ROOT}
)
vcpkg_check_git_status()
vcpkg_check_git_status(${git_status})
endif()
endif()
vcpkg_check_git_status()
vcpkg_check_git_status(${git_status})
endif()
# build latest vcpkg, if needed
if(NOT vcpkg_git_up_to_date)
if(NOT git_up_to_date)
if(WIN32)
execute_process(
COMMAND bootstrap-vcpkg.bat
@ -152,11 +155,11 @@ execute_process(
)
# If ports have been updated, rebuild cache one at a time to not overrun the CI time limit.
vcpkg_get_first_upgrade()
vcpkg_get_first_upgrade(${vcpkg_exe})
if(DEFINED vcpkg_first_upgrade)
if(DEFINED first_upgrade)
execute_process(
COMMAND ${vcpkg_exe} upgrade --no-dry-run ${vcpkg_first_upgrade}
COMMAND ${vcpkg_exe} upgrade --no-dry-run ${first_upgrade}
WORKING_DIRECTORY ${VCPKG_ROOT}
)
endif()
@ -172,5 +175,8 @@ if(WIN32 AND (NOT CMAKE_GENERATOR MATCHES "Visual Studio"))
endif()
set(CMAKE_TOOLCHAIN_FILE ${VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake CACHE FILEPATH "vcpkg toolchain" FORCE)
endfunction()
vcpkg_set_toolchain()
include(${VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake)