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Support version compatibility checks via find_package command (#4625)

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This commit is contained in:
Dmitry Volosnykh
2018-02-16 00:39:15 +03:00
committed by Wouter van Oortmerssen
parent 474ba68bba
commit daf0a420be
4 changed files with 27 additions and 18 deletions
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11
CMake/FlatbuffersConfigVersion.cmake.in Normal file
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@@ -0,0 +1,11 @@
set(PACKAGE_VERSION "@VERSION_MAJOR@.@VERSION_MINOR@.@VERSION_PATCH@")
# Check whether the requested PACKAGE_FIND_VERSION is compatible
if("${PACKAGE_VERSION}" VERSION_LESS "${PACKAGE_FIND_VERSION}")
set(PACKAGE_VERSION_COMPATIBLE FALSE)
else()
set(PACKAGE_VERSION_COMPATIBLE TRUE)
if ("${PACKAGE_VERSION}" VERSION_EQUAL "${PACKAGE_FIND_VERSION}")
set(PACKAGE_VERSION_EXACT TRUE)
endif()
endif()

18
CMake/PackageDebian.cmake
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@@ -11,22 +11,6 @@ if (UNIX)
SET(CPACK_DEBIAN_PACKAGE_HOMEPAGE "https://github.com/google/flatbuffers")
SET(CPACK_DEBIAN_PACKAGE_MAINTAINER "Vitaly Isaev <vitalyisaev2@gmail.com>")
# Derive package version from git
EXECUTE_PROCESS(
COMMAND date +%Y%m%d
OUTPUT_VARIABLE DATE
OUTPUT_STRIP_TRAILING_WHITESPACE
)
EXECUTE_PROCESS(
COMMAND git describe
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
OUTPUT_VARIABLE GIT_DESCRIBE_DIRTY
OUTPUT_STRIP_TRAILING_WHITESPACE
)
string(REGEX REPLACE "^v([0-9]+)\\..*" "\\1" VERSION_MAJOR "${GIT_DESCRIBE_DIRTY}")
string(REGEX REPLACE "^v[0-9]+\\.([0-9]+).*" "\\1" VERSION_MINOR "${GIT_DESCRIBE_DIRTY}")
string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" VERSION_PATCH "${GIT_DESCRIBE_DIRTY}")
string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.[0-9]+\\-([0-9]+).*" "\\1" VERSION_COMMIT "${GIT_DESCRIBE_DIRTY}")
SET(CPACK_PACKAGE_VERSION_MAJOR ${VERSION_MAJOR})
SET(CPACK_PACKAGE_VERSION_MINOR ${VERSION_MINOR})
SET(CPACK_PACKAGE_VERSION_PATCH ${VERSION_PATCH})
@@ -49,7 +33,7 @@ if (UNIX)
# Package name
SET(CPACK_DEBIAN_PACKAGE_NAME "flatbuffers")
SET(CPACK_RESOURCE_FILE_LICENSE ${CMAKE_SOURCE_DIR}/LICENSE.txt)
SET(CPACK_PACKAGE_FILE_NAME
SET(CPACK_PACKAGE_FILE_NAME
"${CPACK_DEBIAN_PACKAGE_NAME}_${CPACK_DEBIAN_PACKAGE_VERSION}_${CPACK_DEBIAN_PACKAGE_ARCHITECTURE}")
endif(UNIX)

11
CMake/Version.cmake Normal file
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@@ -0,0 +1,11 @@
find_program(GIT git)
execute_process(
COMMAND ${GIT} describe
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
OUTPUT_VARIABLE GIT_DESCRIBE_DIRTY
OUTPUT_STRIP_TRAILING_WHITESPACE
)
string(REGEX REPLACE "^v([0-9]+)\\..*" "\\1" VERSION_MAJOR "${GIT_DESCRIBE_DIRTY}")
string(REGEX REPLACE "^v[0-9]+\\.([0-9]+).*" "\\1" VERSION_MINOR "${GIT_DESCRIBE_DIRTY}")
string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" VERSION_PATCH "${GIT_DESCRIBE_DIRTY}")
string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.[0-9]+\\-([0-9]+).*" "\\1" VERSION_COMMIT "${GIT_DESCRIBE_DIRTY}")

5
CMakeLists.txt
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@@ -253,6 +253,8 @@ if(FLATBUFFERS_BUILD_GRPCTEST)
target_link_libraries(grpctest grpc++_unsecure grpc_unsecure gpr pthread dl)
endif()
include(CMake/Version.cmake)
if(FLATBUFFERS_INSTALL)
include(GNUInstallDirs)
@@ -260,8 +262,9 @@ if(FLATBUFFERS_INSTALL)
set(FB_CMAKE_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/flatbuffers")
configure_file(CMake/FlatbuffersConfigVersion.cmake.in FlatbuffersConfigVersion.cmake @ONLY)
install(
FILES "CMake/FlatbuffersConfig.cmake"
FILES "CMake/FlatbuffersConfig.cmake" "${CMAKE_CURRENT_BINARY_DIR}/FlatbuffersConfigVersion.cmake"
DESTINATION ${FB_CMAKE_DIR}
)