Cross-compilation of debian packages (#12919)

* Debian arm cross-compilation

* Pugixml::shared as system library

* Removed debug print of openvino.pc

* Set debian package arch for cross-compilation manually

cmake/arm.toolchain.cmake

@@ -7,6 +7,7 @@ set(CMAKE_SYSTEM_PROCESSOR armv7l)
 
 set(CMAKE_C_COMPILER arm-linux-gnueabihf-gcc)
 set(CMAKE_CXX_COMPILER arm-linux-gnueabihf-g++)
+set(CMAKE_STRIP arm-linux-gnueabihf-strip)
 set(PKG_CONFIG_EXECUTABLE arm-linux-gnueabihf-pkg-config CACHE PATH "Path to ARM pkg-config")
 
 set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)

cmake/arm64.toolchain.cmake

@@ -7,6 +7,7 @@ set(CMAKE_SYSTEM_PROCESSOR aarch64)
 
 set(CMAKE_C_COMPILER aarch64-linux-gnu-gcc)
 set(CMAKE_CXX_COMPILER aarch64-linux-gnu-g++)
+set(CMAKE_STRIP aarch64-linux-gnu-strip)
 set(PKG_CONFIG_EXECUTABLE aarch64-linux-gnu-pkg-config CACHE PATH "Path to ARM64 pkg-config")
 
 set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)

cmake/developer_package/IEDevScriptsConfig.cmake

@@ -169,7 +169,7 @@ ov_set_if_not_defined(CMAKE_COMPILE_PDB_OUTPUT_DIRECTORY ${OUTPUT_ROOT}/${BIN_FO
 ov_set_if_not_defined(CMAKE_PDB_OUTPUT_DIRECTORY ${OUTPUT_ROOT}/${BIN_FOLDER})
 ov_set_if_not_defined(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${OUTPUT_ROOT}/${BIN_FOLDER})
 
-if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND CPACK_GENERATOR STREQUAL "DEB")
+if(CPACK_GENERATOR STREQUAL "DEB")
     # to make sure that lib/<multiarch-tuple> is created on Debian
     set(CMAKE_INSTALL_PREFIX "/usr" CACHE PATH "Cmake install prefix" FORCE)
 endif()

cmake/developer_package/packaging/debian.cmake

@@ -108,6 +108,18 @@ macro(ov_debian_specific_settings)
     # set(CPACK_DEBIAN_PACKAGE_RELEASE "1")
     # enable this if someday we change the version scheme
     # set(CPACK_DEBIAN_PACKAGE_EPOCH "2")
+
+    # temporary WA for debian package architecture for cross-compilation
+    # proper solution: to force cmake auto-detect this
+    if(CMAKE_CROSSCOMPILING)
+        if(AARCH64)
+            set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE arm64)
+        elseif(ARM)
+            set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE armhf)
+        elseif(x86)
+            set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE i386)
+        endif()
+    endif()
 endmacro()
 
 ov_debian_specific_settings()

install_build_dependencies.sh

@@ -50,6 +50,7 @@ if [ -f /etc/lsb-release ]; then
             shellcheck \
             patchelf \
             lintian \
+            file \
             gzip \
             `# openvino` \
             libtbb-dev \

src/cmake/openvino.cmake

@@ -239,7 +239,7 @@ if(LINUX)
     endif()
 
     # detect <multiarch-triplet>
-    if(CPACK_GENERATOR STREQUAL "DEB" AND CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+    if(CPACK_GENERATOR STREQUAL "DEB")
         # TODO: find a better way to detect <multiarch-triplet>
         if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
             # note: clang provides different output like 'x86_64-pc-linux-gnu', so it's not used
@@ -272,7 +272,6 @@ if(LINUX)
 
         add_custom_command(TARGET openvino PRE_BUILD
             COMMAND "${PKG_CONFIG_EXECUTABLE}" --validate "${pkgconfig_out}"
-            COMMAND cat "${pkgconfig_out}"
             COMMENT "[pkg-config] validating openvino.pc"
             VERBATIM)
     endif()

src/common/legacy/CMakeLists.txt

@@ -24,8 +24,6 @@ endif()
 
 # Create object library
 
-file(TOUCH ${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp)
-
 add_library(${TARGET_NAME}_obj OBJECT EXCLUDE_FROM_ALL
             ${LIBRARY_SRC}
             ${PUBLIC_HEADERS})
@@ -49,7 +47,6 @@ add_cpplint_target(${TARGET_NAME}_obj_cpplint FOR_TARGETS ${TARGET_NAME}_obj)
 # Create static library
 
 add_library(${TARGET_NAME} STATIC EXCLUDE_FROM_ALL
-    ${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp
     $<TARGET_OBJECTS:${TARGET_NAME}_obj>)
 
 target_link_libraries(${TARGET_NAME} PUBLIC openvino::runtime

thirdparty/CMakeLists.txt

@@ -50,7 +50,10 @@ if(ENABLE_SYSTEM_PUGIXML)
     # try system pugixml first
     find_package(PugiXML QUIET)
     if(PugiXML_FOUND)
-        if(TARGET pugixml::static)
+        if(TARGET pugixml::shared)
+            # example: cross-compilation on debian
+            set(pugixml_target pugixml::shared)
+        elseif(TARGET pugixml::static)
             # sometimes pugixml::static target already exists, just need to make it global
             # example: building using conda environment
             set(pugixml_target pugixml::static)
@@ -243,7 +246,11 @@ else()
     install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/json/nlohmann_json
             DESTINATION ${OV_CPACK_SAMPLESDIR}/cpp/thirdparty
             COMPONENT ${OV_CPACK_COMP_CPP_SAMPLES}
-            REGEX .*json/nlohmann_json/test/.* EXCLUDE)
+            REGEX .*json/nlohmann_json/.github/.* EXCLUDE
+            REGEX .*json/nlohmann_json/benchmarks/.* EXCLUDE
+            REGEX .*json/nlohmann_json/doc/.* EXCLUDE
+            REGEX .*json/nlohmann_json/test/.* EXCLUDE
+            REGEX .*json/nlohmann_json/cpplint/.* EXCLUDE)
 endif()
 
 install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/cnpy