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[cmake] enable using thirdparty env variable to find installed dependency (#2912)

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* enable using thirdparty env variable to find installed dependency, to speed up the build process

* fix target dependency in cmake. :-) too chaos in each CMakeLists

* check env variable defined directory exists
This commit is contained in:
Hanwei Jin
2018-09-23 07:52:33 -07:00
committed by Philipp Moritz
parent b29839a0a3
commit 9f9e49e4a1
9 changed files with 243 additions and 122 deletions
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cmake/Modules/GtestExternalProject.cmake
+58
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@@ -0,0 +1,58 @@
# gtest external project
# target:
# - googletest_ep
# defines:
# - GTEST_HOME
# - GTEST_STATIC_LIB
# - GTEST_MAIN_STATIC_LIB
# - GMOCK_MAIN_STATIC_LIB
if(DEFINED ENV{GTEST_HOME} AND EXISTS ENV{GTEST_HOME})
set(GTEST_HOME "$ENV{GTEST_HOME}")
set(GTEST_INCLUDE_DIR "${GTEST_HOME}/include")
set(GTEST_STATIC_LIB
"${GTEST_HOME}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}")
set(GTEST_MAIN_STATIC_LIB
"${GTEST_HOME}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}gtest_main${CMAKE_STATIC_LIBRARY_SUFFIX}")
set(GMOCK_MAIN_STATIC_LIB
"${GTEST_HOME}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}gmock_main${CMAKE_STATIC_LIBRARY_SUFFIX}")
add_custom_target(googletest_ep)
else()
set(GTEST_VERSION "1.8.0")
if(APPLE)
set(GTEST_CMAKE_CXX_FLAGS "-fPIC -DGTEST_USE_OWN_TR1_TUPLE=1 -Wno-unused-value -Wno-ignored-attributes")
elseif(NOT MSVC)
set(GTEST_CMAKE_CXX_FLAGS "-fPIC")
endif()
if(CMAKE_BUILD_TYPE)
string(TOUPPER ${CMAKE_BUILD_TYPE} UPPERCASE_BUILD_TYPE)
endif()
set(GTEST_CMAKE_CXX_FLAGS "${EP_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${UPPERCASE_BUILD_TYPE}} ${GTEST_CMAKE_CXX_FLAGS}")
set(GTEST_PREFIX "${CMAKE_CURRENT_BINARY_DIR}/external/googletest/src/googletest_ep")
set(GTEST_INCLUDE_DIR "${GTEST_PREFIX}/include")
set(GTEST_STATIC_LIB
"${GTEST_PREFIX}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}")
set(GTEST_MAIN_STATIC_LIB
"${GTEST_PREFIX}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}gtest_main${CMAKE_STATIC_LIBRARY_SUFFIX}")
set(GMOCK_MAIN_STATIC_LIB
"${GTEST_PREFIX}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}gmock_main${CMAKE_STATIC_LIBRARY_SUFFIX}")
set(GTEST_CMAKE_ARGS -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-DCMAKE_INSTALL_PREFIX=${GTEST_PREFIX}
-DCMAKE_CXX_FLAGS=${GTEST_CMAKE_CXX_FLAGS})
if (MSVC AND NOT ARROW_USE_STATIC_CRT)
set(GTEST_CMAKE_ARGS ${GTEST_CMAKE_ARGS} -Dgtest_force_shared_crt=ON)
endif()
set(GTEST_URL_MD5 "16877098823401d1bf2ed7891d7dce36")
ExternalProject_Add(googletest_ep
PREFIX external/googletest
URL "https://github.com/google/googletest/archive/release-${GTEST_VERSION}.tar.gz"
URL_MD5 ${GTEST_URL_MD5}
BUILD_BYPRODUCTS ${GTEST_STATIC_LIB} ${GTEST_MAIN_STATIC_LIB} ${GMOCK_MAIN_STATIC_LIB}
CMAKE_ARGS ${GTEST_CMAKE_ARGS}
${EP_LOG_OPTIONS})
endif()