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[meson] fix cross compiling from linux to windows (#18927)
* [meson] fix cross compiling from linux to windows * Fix mingw system name * Omit empty fields from standard libraries * Use VCPKG_CROSSCOMPILING * vcpkg_configure_meson: do not double escape include paths * vcpkg_configure_meson: set winres instead of rc * vcpkg_configure_meson: do not always cross build * Apply suggestions from code review * fix the issue I made * [meson] error when gcc uses a different linker executeable * [meson] apply code review from strega-nil * [meson] more verbose error messages * [meson] remove wrong check Co-authored-by: Kai Pastor <dg0yt@darc.de> Co-authored-by: nicole mazzuca <83086508+strega-nil-ms@users.noreply.github.com> Co-authored-by: nicole mazzuca <mazzucan@outlook.com>
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@ -54,14 +54,21 @@ function(vcpkg_internal_meson_generate_native_file _additional_binaries) #https:
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foreach(prog IN LISTS compiler)
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if(VCPKG_DETECTED_CMAKE_${prog}_COMPILER)
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string(REPLACE "CXX" "CPP" mesonprog "${prog}")
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string(REPLACE "RC" "windres" mesonprog "${mesonprog}") # https://mesonbuild.com/Windows-module.html
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string(TOLOWER "${mesonprog}" proglower)
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string(APPEND NATIVE "${proglower} = '${VCPKG_DETECTED_CMAKE_${prog}_COMPILER}'\n")
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endif()
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endforeach()
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if(VCPKG_DETECTED_CMAKE_LINKER AND VCPKG_TARGET_IS_WINDOWS)
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if (NOT VCPKG_DETECTED_CMAKE_C_COMPILER_ID MATCHES "^(GNU|Intel)$") # for gcc and icc the linker flag -fuse-ld is used. See https://github.com/mesonbuild/meson/issues/8647#issuecomment-878673456
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string(APPEND NATIVE "c_ld = '${VCPKG_DETECTED_CMAKE_LINKER}'\n")
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endif()
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endif()
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if(VCPKG_DETECTED_CMAKE_LINKER AND VCPKG_TARGET_IS_WINDOWS)
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if (NOT VCPKG_DETECTED_CMAKE_CXX_COMPILER_ID MATCHES "^(GNU|Intel)$") # for gcc and icc the linker flag -fuse-ld is used. See https://github.com/mesonbuild/meson/issues/8647#issuecomment-878673456
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string(APPEND NATIVE "cpp_ld = '${VCPKG_DETECTED_CMAKE_LINKER}'\n")
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endif()
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endif()
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string(APPEND NATIVE "cmake = '${CMAKE_COMMAND}'\n")
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foreach(_binary IN LISTS ${_additional_binaries})
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string(APPEND NATIVE "${_binary}\n")
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@ -79,12 +86,14 @@ function(vcpkg_internal_meson_generate_native_file _additional_binaries) #https:
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string(REGEX REPLACE "\\.lib " ".lib;" WIN_C_STANDARD_LIBRARIES "${WIN_C_STANDARD_LIBRARIES}")
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list(TRANSFORM WIN_C_STANDARD_LIBRARIES APPEND "'")
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list(TRANSFORM WIN_C_STANDARD_LIBRARIES PREPEND "'")
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list(REMOVE_ITEM WIN_C_STANDARD_LIBRARIES "''")
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list(JOIN WIN_C_STANDARD_LIBRARIES ", " WIN_C_STANDARD_LIBRARIES)
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string(APPEND NATIVE "c_winlibs = [${WIN_C_STANDARD_LIBRARIES}]\n")
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string(REGEX REPLACE "( |^)(-|/)" ";\\2" WIN_CXX_STANDARD_LIBRARIES "${VCPKG_DETECTED_CMAKE_CXX_STANDARD_LIBRARIES}")
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string(REGEX REPLACE "\\.lib " ".lib;" WIN_CXX_STANDARD_LIBRARIES "${WIN_CXX_STANDARD_LIBRARIES}")
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list(TRANSFORM WIN_CXX_STANDARD_LIBRARIES APPEND "'")
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list(TRANSFORM WIN_CXX_STANDARD_LIBRARIES PREPEND "'")
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list(REMOVE_ITEM WIN_CXX_STANDARD_LIBRARIES "''")
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list(JOIN WIN_CXX_STANDARD_LIBRARIES ", " WIN_CXX_STANDARD_LIBRARIES)
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string(APPEND NATIVE "cpp_winlibs = [${WIN_CXX_STANDARD_LIBRARIES}]\n")
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endif()
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@ -121,11 +130,11 @@ function(vcpkg_internal_meson_generate_flags_properties_string _out_var _config)
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set(PATH_SUFFIX_DEBUG /debug)
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set(LIBPATH_${_config} "${L_FLAG}${CURRENT_INSTALLED_DIR}${PATH_SUFFIX_${_config}}/lib")
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vcpkg_internal_meson_convert_compiler_flags_to_list(MESON_CFLAGS_${_config} "${VCPKG_DETECTED_CMAKE_C_FLAGS_${_config}}")
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list(APPEND MESON_CFLAGS_${_config} "-I\"${CURRENT_INSTALLED_DIR}/include\"")
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list(APPEND MESON_CFLAGS_${_config} "-I${CURRENT_INSTALLED_DIR}/include")
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vcpkg_internal_meson_convert_list_to_python_array(MESON_CFLAGS_${_config} ${MESON_CFLAGS_${_config}})
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string(APPEND ${_out_var} "c_args = ${MESON_CFLAGS_${_config}}\n")
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vcpkg_internal_meson_convert_compiler_flags_to_list(MESON_CXXFLAGS_${_config} "${VCPKG_DETECTED_CMAKE_CXX_FLAGS_${_config}}")
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list(APPEND MESON_CXXFLAGS_${_config} "-I\"${CURRENT_INSTALLED_DIR}/include\"")
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list(APPEND MESON_CXXFLAGS_${_config} "-I${CURRENT_INSTALLED_DIR}/include")
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vcpkg_internal_meson_convert_list_to_python_array(MESON_CXXFLAGS_${_config} ${MESON_CXXFLAGS_${_config}})
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string(APPEND ${_out_var} "cpp_args = ${MESON_CXXFLAGS_${_config}}\n")
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if(VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic")
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@ -277,14 +286,21 @@ function(vcpkg_internal_meson_generate_cross_file _additional_binaries) #https:/
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foreach(prog IN LISTS compiler)
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if(VCPKG_DETECTED_CMAKE_${prog}_COMPILER)
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string(REPLACE "CXX" "CPP" mesonprog "${prog}")
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string(REPLACE "RC" "windres" mesonprog "${mesonprog}") # https://mesonbuild.com/Windows-module.html
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string(TOLOWER "${mesonprog}" proglower)
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string(APPEND CROSS "${proglower} = '${VCPKG_DETECTED_CMAKE_${prog}_COMPILER}'\n")
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endif()
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endforeach()
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if(VCPKG_DETECTED_CMAKE_LINKER AND VCPKG_TARGET_IS_WINDOWS)
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if (NOT VCPKG_DETECTED_CMAKE_C_COMPILER_ID MATCHES "^(GNU|Intel)$") # for gcc and icc the linker flag -fuse-ld is used. See https://github.com/mesonbuild/meson/issues/8647#issuecomment-878673456
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string(APPEND CROSS "c_ld = '${VCPKG_DETECTED_CMAKE_LINKER}'\n")
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endif()
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endif()
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if(VCPKG_DETECTED_CMAKE_LINKER AND VCPKG_TARGET_IS_WINDOWS)
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if (NOT VCPKG_DETECTED_CMAKE_CXX_COMPILER_ID MATCHES "^(GNU|Intel)$") # for gcc and icc the linker flag -fuse-ld is used. See https://github.com/mesonbuild/meson/issues/8647#issuecomment-878673456
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string(APPEND CROSS "cpp_ld = '${VCPKG_DETECTED_CMAKE_LINKER}'\n")
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endif()
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endif()
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foreach(_binary IN LISTS ${_additional_binaries})
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string(APPEND CROSS "${_binary}\n")
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endforeach()
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@ -293,7 +309,7 @@ function(vcpkg_internal_meson_generate_cross_file _additional_binaries) #https:/
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string(APPEND CROSS "[host_machine]\n")
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string(APPEND CROSS "endian = 'little'\n")
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if(NOT VCPKG_CMAKE_SYSTEM_NAME)
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if(NOT VCPKG_CMAKE_SYSTEM_NAME OR VCPKG_TARGET_IS_MINGW)
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set(MESON_SYSTEM_NAME "windows")
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else()
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string(TOLOWER "${VCPKG_CMAKE_SYSTEM_NAME}" MESON_SYSTEM_NAME)
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@ -319,7 +335,7 @@ function(vcpkg_internal_meson_generate_cross_file _additional_binaries) #https:/
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string(APPEND CROSS "cpu = '${BUILD_CPU}'\n")
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endif()
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if(NOT BUILD_CPU_FAM MATCHES "${HOST_CPU_FAM}" OR VCPKG_TARGET_IS_ANDROID OR VCPKG_TARGET_IS_IOS OR VCPKG_TARGET_IS_UWP)
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if(NOT BUILD_CPU_FAM MATCHES "${HOST_CPU_FAM}" OR VCPKG_TARGET_IS_ANDROID OR VCPKG_TARGET_IS_IOS OR VCPKG_TARGET_IS_UWP OR (VCPKG_TARGET_IS_MINGW AND NOT WIN32))
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set(_file "${CURRENT_BUILDTREES_DIR}/meson-cross-${TARGET_TRIPLET}.log")
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set(VCPKG_MESON_CROSS_FILE "${_file}" PARENT_SCOPE)
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file(WRITE "${_file}" "${CROSS}")
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@ -20,7 +20,7 @@ foreach(prog IN LISTS PROGLIST)
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endforeach()
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set(COMPILERS ${VCPKG_LANGUAGES} RC)
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foreach(prog IN LISTS COMPILERS)
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list(APPEND VCPKG_DEFAULT_VARS_TO_CHECK CMAKE_${prog}_COMPILER)
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list(APPEND VCPKG_DEFAULT_VARS_TO_CHECK CMAKE_${prog}_COMPILER CMAKE_${prog}_COMPILER_ID)
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endforeach()
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# Variables to check
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foreach(_lang IN LISTS VCPKG_LANGUAGES)
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