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Build system: Skip Boost's b2 compilation if it already exists

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hobyst
2021-06-16 14:42:52 +02:00
committed by Nicolas Jallamion
parent b807ddc78e
commit e745b3d782
1 changed files with 48 additions and 12 deletions
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CMakeLists.txt
+48 -12
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@@ -24,14 +24,8 @@ enable_testing()
########## Boost ###########
############################
# Configures Boost
# Macro to configure Boost
macro(boost_configure)
# Sets the location of the source root and the binary installation path for Boost
# Building Boost right at the CMake binary path should allow to build Vita3K for different target platforms
# without having to delete the boost-build folder each time the target platform changes
set(BOOST_SOURCEDIR "${CMAKE_SOURCE_DIR}/external/boost")
set(BOOST_INSTALLDIR "${CMAKE_BINARY_DIR}/external/boost/")
if (WIN32)
execute_process(
COMMAND ${BOOST_SOURCEDIR}/bootstrap.bat
@@ -46,7 +40,7 @@ macro(boost_configure)
endif()
endmacro(boost_configure)
# Compiles Boost
# Macro to compile Boost
macro(boost_compile)
if (CMAKE_SYSTEM_NAME STREQUAL Windows)
execute_process(
@@ -66,7 +60,7 @@ macro(boost_compile)
endif()
endmacro(boost_compile)
# Adjusts CMake paths to enable Boost as a findable package for other dependencies in the project
# Macro to adjust CMake paths to enable Boost as a static library and findable package for other dependencies in the project
macro(boost_set_paths)
set (Boost_USE_STATIC_LIBS ON)
find_package(Boost COMPONENTS filesystem system program_options QUIET)
@@ -86,10 +80,52 @@ macro(boost_set_paths)
message("Using Boost_LIBRARY_DIRS: ${BOOST_LIBRARYDIR}")
endmacro(boost_set_paths)
# Builds Boost using source code located at external/boost if the host isn't a CI environment
if(NOT CI)
boost_configure()
# Sets the location of the source root and the binary installation path for Boost
# Building Boost right at the CMake binary path should allow to build Vita3K for different target platforms
# without having to delete the boost-build folder each time the target platform changes
set(BOOST_SOURCEDIR "${CMAKE_SOURCE_DIR}/external/boost")
set(BOOST_INSTALLDIR "${CMAKE_BINARY_DIR}/external/boost/")
# Prevents the function from using CMake cache to retrieve the path and
# avoid errors in case b2 was deleted between cache generation events
unset(b2 CACHE)
# Skips Boost configuration and b2 compilation if it already exists by trying to find b2
# b2 compilation takes a while and time for consecutive cache re-generations can be reduced this way
if (${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Windows")
find_file(
# Variable which holds the path to b2 if it's found
# If not, its value will be "b2-NOTFOUND"
b2
# Name of the file to look for depending on the host OS
b2.exe
PATHS "${BOOST_SOURCEDIR}"
# Prevents the function from using CMake cache to retrieve the path and
# avoid errors in case b2 was deleted between cache generation events
NO_CMAKE_PATH
)
else()
find_file(
# Variable which holds the path to b2 if it's found
# If not, its value will be "b2-NOTFOUND"
b2
# Name of the file to look for depending on the host OS
b2
PATHS "${BOOST_SOURCEDIR}"
)
endif()
if (${b2} STREQUAL "b2-NOTFOUND")
boost_configure()
endif()
boost_compile()
boost_set_paths()
endif()