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SgABIComplianceChecker.cmake
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SgABIComplianceChecker.cmake
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#.rst:
# SgABIComplianceChecker
# ----------------------
#
# Check backward API/ABI compatibility.
#
# A CMake script for checking backward API/ABI compatibility of the Sagui
# library.
#
# ::
#
# SG_OLD_LIB_DIR - Absolute path of the old Sagui library.
# SG_OLD_LIB_VERSION - Version of the old Sagui library.
# _
# ___ __ _ __ _ _ _(_)
# / __|/ _` |/ _` | | | | |
# \__ \ (_| | (_| | |_| | |
# |___/\__,_|\__, |\__,_|_|
# |___/
#
# Cross-platform library which helps to develop web servers or frameworks.
#
# Copyright (C) 2016-2019 Silvio Clecio <[email protected]>
#
# Sagui library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# Sagui library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with Sagui library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
#TODO: download latest Sagui from Github releases and delete SG_OLD_LIB_DIR
if(__SG_ABI_COMPLIANCE_CHECKER_INCLUDED)
return()
endif()
set(__SG_ABI_COMPLIANCE_CHECKER_INCLUDED ON)
option(SG_ABI_COMPLIANCE_CHECKER "Enable ABI compliance checker" OFF)
if(SG_ABI_COMPLIANCE_CHECKER)
if(NOT SG_OLD_LIB_DIR)
message(
FATAL_ERROR
"You must to specify SG_OLD_LIB_DIR for ABI compliance checking")
endif()
if(NOT EXISTS ${SG_OLD_LIB_DIR})
message(FATAL_ERROR "${SG_OLD_LIB_DIR} not found")
endif()
if(NOT SG_OLD_LIB_VERSION)
message(
FATAL_ERROR
"You must to specify SG_OLD_LIB_VERSION for ABI compliance checking")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -Og")
find_program(_abi_comp_checker abi-compliance-checker)
if(NOT _abi_comp_checker)
message(
FATAL_ERROR
"abi-compliance-checker tool is required for ABI compliance checking")
endif()
find_program(_abi_dumper abi-dumper)
if(NOT _abi_dumper)
message(
FATAL_ERROR "abi-dumper tool is required for ABI compliance checking")
endif()
file(TO_CMAKE_PATH "${SG_OLD_LIB_DIR}/build" _old_lib_build_dir)
file(REMOVE_RECURSE "${_old_lib_build_dir}")
file(MAKE_DIRECTORY "${_old_lib_build_dir}")
add_custom_target(
abi_compliance_checker
COMMAND ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE=Debug -DCMAKE_C_FLAGS=-Og
-DBUILD_SHARED_LIBS=ON -DSG_HTTPS_SUPPORT=ON ".."
COMMAND ${CMAKE_COMMAND} --build "${_old_lib_build_dir}" --target
${PROJECT_NAME}
WORKING_DIRECTORY ${_old_lib_build_dir}
COMMENT "Compiling the old Sagui library for ABI compliance checking"
DEPENDS ${PROJECT_NAME}
VERBATIM)
set(_old_lib_name "libsagui.so.${SG_OLD_LIB_VERSION}")
set(_old_lib "${_old_lib_build_dir}/src/${_old_lib_name}")
set(_new_lib_name libsagui.so.${VERSION})
set(_new_lib "${CMAKE_BINARY_DIR}/src/${_new_lib_name}")
file(REMOVE "${_old_lib}.dump")
file(REMOVE "${_new_lib}.dump")
add_custom_command(
TARGET abi_compliance_checker POST_BUILD
COMMAND ${_abi_dumper} "${_old_lib}" -o "${_old_lib}.dump" -lver
"${SG_OLD_LIB_VERSION}"
COMMAND ${_abi_dumper} "${_new_lib}" -o "${_new_lib}.dump" -lver
"${VERSION}"
COMMAND
${_abi_comp_checker} -l "${PROJECT_NAME}" -old "${_old_lib}.dump" -new
"${_new_lib}.dump"
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMENT "Checking ABI compliance"
VERBATIM)
unset(_abi_dumper)
unset(_abi_comp_checker)
unset(_old_lib_build_dir)
unset(_old_lib_name)
unset(_old_lib)
unset(_new_lib_name)
unset(_new_lib)
unset(_old_lib)
endif()