build FEATURE add ABI check
diff --git a/CMakeModules/ABICheck.cmake b/CMakeModules/ABICheck.cmake
new file mode 100644
index 0000000..814c5f9
--- /dev/null
+++ b/CMakeModules/ABICheck.cmake
@@ -0,0 +1,66 @@
+# generate API/ABI report
+macro(LIB_ABI_CHECK LIB_TARGET LIB_HEADERS LIB_SOVERSION_FULL ABI_BASE_HASH)
+ # get short hash
+ string(SUBSTRING "${ABI_BASE_HASH}" 0 8 ABI_BASE_HASH_SHORT)
+
+ # find abi-dumper
+ find_program(ABI_DUMPER abi-dumper)
+ find_package_handle_standard_args(abi-dumper DEFAULT_MSG ABI_DUMPER)
+ if(NOT ABI_DUMPER)
+ message(FATAL_ERROR "Program abi-dumper not found!")
+ endif()
+
+ # find abi-checker
+ find_program(ABI_CHECKER abi-compliance-checker)
+ find_package_handle_standard_args(abi-compliance-checker DEFAULT_MSG ABI_CHECKER)
+ if(NOT ABI_CHECKER)
+ message(FATAL_ERROR "Program abi-compliance-checker not found!")
+ endif()
+
+ # abi-dump target - generating an ABI dump
+ set(PUBLIC_HEADERS ${LIB_HEADERS})
+ string(PREPEND PUBLIC_HEADERS "${CMAKE_SOURCE_DIR}/")
+ string(REPLACE ";" "\n${CMAKE_SOURCE_DIR}/" PUBLIC_HEADERS "${PUBLIC_HEADERS}")
+ file(GENERATE OUTPUT ${CMAKE_BINARY_DIR}/public_headers CONTENT "${PUBLIC_HEADERS}")
+ add_custom_target(abi-dump
+ COMMAND ${ABI_DUMPER} ./lib${LIB_TARGET}${CMAKE_SHARED_LIBRARY_SUFFIX}
+ -o lib${LIB_TARGET}.${LIB_SOVERSION_FULL}.dump
+ -lver ${LIB_SOVERSION_FULL} -public-headers ${CMAKE_BINARY_DIR}/public_headers
+ DEPENDS ${LIB_TARGET}
+ BYPRODUCTS ${CMAKE_BINARY_DIR}/lib${LIB_TARGET}.${LIB_SOVERSION_FULL}.dump
+ WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+ COMMENT "Dumping ABI information of version ${LIB_SOVERSION_FULL} for abi-check")
+
+ # get URL for fetching origin
+ execute_process(COMMAND git remote get-url origin OUTPUT_VARIABLE ORIGIN_URL OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+ # generate script for generating the base ABI dump
+ file(GENERATE OUTPUT ${CMAKE_BINARY_DIR}/abibase.sh CONTENT "#!/bin/sh
+if [ ! -d abibase ]; then mkdir abibase; fi
+cd abibase
+if [ ! -f build/lib${LIB_TARGET}.*.dump ]; then
+ if [ -d .git ] && [ \"${ABI_BASE_HASH}\" != \"`git log --pretty=oneline | cut -d' ' -f1`\" ]; then rm -rf .* 2> /dev/null; fi
+ if [ ! -d .git ]; then
+ git init --initial-branch=master
+ git remote add origin ${ORIGIN_URL}
+ git fetch origin --depth 1 ${ABI_BASE_HASH}
+ git reset --hard FETCH_HEAD
+ fi
+ if [ ! -d build ]; then mkdir build; fi
+ cd build
+ cmake -DCMAKE_BUILD_TYPE=ABICheck ..
+ make abi-dump
+fi
+")
+
+ # abi-check target - check ABI compatibility of current version and the base hash version
+ add_custom_target(abi-check
+ COMMAND bash ./abibase.sh
+ COMMAND ${ABI_CHECKER} -l lib${LIB_TARGET}${CMAKE_SHARED_LIBRARY_SUFFIX}
+ -old abibase/build/lib${LIB_TARGET}.*.dump
+ -new ./lib${LIB_TARGET}.${LIB_SOVERSION_FULL}.dump -s
+ DEPENDS ${LIB_TARGET} abi-dump
+ BYPRODUCTS ${CMAKE_BINARY_DIR}/compat_reports/lib${LIB_TARGET}${CMAKE_SHARED_LIBRARY_SUFFIX}/*_to_${LIB_SOVERSION_FULL}/compat_report.html
+ WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+ COMMENT "Checking ABI compatibility of version ${LIB_SOVERSION_FULL} and revision ${ABI_BASE_HASH_SHORT}")
+endmacro()