Mercurial > hg > orthanc-databases
diff Resources/Orthanc/CMake/ProtobufConfiguration.cmake @ 409:e25f4500b531
fix linking against system-wide Orthanc framework
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 15 Apr 2023 14:55:21 +0200 |
parents | |
children | ecd0b719cff5 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Resources/Orthanc/CMake/ProtobufConfiguration.cmake Sat Apr 15 14:55:21 2023 +0200 @@ -0,0 +1,85 @@ +# Orthanc - A Lightweight, RESTful DICOM Store +# Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics +# Department, University Hospital of Liege, Belgium +# Copyright (C) 2017-2023 Osimis S.A., Belgium +# Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium +# +# This program 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 3 of +# the License, or (at your option) any later version. +# +# This program 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 this program. If not, see +# <http://www.gnu.org/licenses/>. + + +if (STATIC_BUILD OR NOT USE_SYSTEM_PROTOBUF) + if (ENABLE_PROTOBUF_COMPILER) + include(ExternalProject) + externalproject_add(ProtobufCompiler + SOURCE_DIR "${CMAKE_CURRENT_LIST_DIR}/../ProtocolBuffers" + BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/ProtobufCompiler-build" + # this helps triggering build when changing the external project + BUILD_ALWAYS 1 + CMAKE_ARGS + -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE} + -DCMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_BINARY_DIR} + ) + + # The "protoc" compiler is built using "externalproject_add", + # which builds for the host platform, not for the target platform + if (CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows") + set(Suffix ".exe") + else() + set(Suffix "") + endif() + + set(PROTOC_EXECUTABLE ${CMAKE_CURRENT_BINARY_DIR}/protoc${Suffix}) + endif() + + include(${CMAKE_CURRENT_LIST_DIR}/../ProtocolBuffers/ProtobufLibrary.cmake) + source_group(ThirdParty\\Protobuf REGULAR_EXPRESSION ${PROTOBUF_SOURCE_DIR}/.*) + +else() + if (CMAKE_CROSSCOMPILING) + message(FATAL_ERROR "If cross-compiling, the static version of Protocol Buffers should be used to avoid version mismatch") + endif() + + if (ENABLE_PROTOBUF_COMPILER) + find_program(PROTOC_EXECUTABLE protoc) + if (${PROTOC_EXECUTABLE} MATCHES "PROTOC_EXECUTABLE-NOTFOUND") + message(FATAL_ERROR "Please install the 'protoc' compiler for Protocol Buffers (package 'protobuf-compiler' on Debian/Ubuntu)") + endif() + add_custom_target(ProtobufCompiler) + endif() + + check_include_file_cxx(google/protobuf/any.h HAVE_PROTOBUF_H) + if (NOT HAVE_PROTOBUF_H) + message(FATAL_ERROR "Please install the libprotobuf-dev package") + endif() + + set(CMAKE_REQUIRED_LIBRARIES "protobuf") + + include(CheckCXXSourceCompiles) + check_cxx_source_compiles( + " +#include <google/protobuf/descriptor.h> +int main() +{ + google::protobuf::FieldDescriptor::TypeName(google::protobuf::FieldDescriptor::TYPE_FLOAT); +} +" HAVE_PROTOBUF_LIB) + if (NOT HAVE_PROTOBUF_LIB) + message(FATAL_ERROR "Cannot find the protobuf library") + endif() + + unset(CMAKE_REQUIRED_LIBRARIES) + + link_libraries(protobuf) +endif()