diff --git a/package/json-for-modern-cpp/0001-buildsystem-relax-requirement-on-cmake-version.patch b/package/json-for-modern-cpp/0001-buildsystem-relax-requirement-on-cmake-version.patch new file mode 100644 index 0000000000..a5921527a0 --- /dev/null +++ b/package/json-for-modern-cpp/0001-buildsystem-relax-requirement-on-cmake-version.patch @@ -0,0 +1,85 @@ +From e8b6b7adc138a66f8d47396a2e707366d3771028 Mon Sep 17 00:00:00 2001 +From: "Yann E. MORIN" +Date: Mon, 31 Dec 2018 18:42:09 +0100 +Subject: [PATCH] buildsystem: relax requirement on cmake version + +Commit 73cc5089 (Using target_compile_features to specify C++ 11 +standard) bumped the required cmake version, from 3.0 to 3.8, so +as to get the definition of target_compile_features(). + +However, target_compile_features() was introduced in cmake-3.1: + https://cmake.org/cmake/help/v3.1/command/target_compile_features.html + +And using cmake-3.1 is indeed sufficient to properly build. + +As such, relax the minimum required version down to cmake-3.1, +so we can build on oldish, entreprise-grade distributions that +only have cmake-3.1 (or at least, don't have up to cmake-3.8). + +Reported-by: Thomas Petazzoni +Signed-off-by: "Yann E. MORIN" + +--- +Upstream status: MR pending +https://github.com/nlohmann/json/pull/1409 +--- + CMakeLists.txt | 2 +- + benchmarks/CMakeLists.txt | 2 +- + test/cmake_add_subdirectory/project/CMakeLists.txt | 2 +- + test/cmake_import/project/CMakeLists.txt | 2 +- + test/cmake_import_minver/project/CMakeLists.txt | 2 +- + 5 files changed, 5 insertions(+), 5 deletions(-) + +diff --git a/CMakeLists.txt b/CMakeLists.txt +index 409f5bff..da6f08e7 100644 +--- a/CMakeLists.txt ++++ b/CMakeLists.txt +@@ -1,4 +1,4 @@ +-cmake_minimum_required(VERSION 3.8) ++cmake_minimum_required(VERSION 3.1) + + ## + ## PROJECT +diff --git a/benchmarks/CMakeLists.txt b/benchmarks/CMakeLists.txt +index a53812c1..dd3f3027 100644 +--- a/benchmarks/CMakeLists.txt ++++ b/benchmarks/CMakeLists.txt +@@ -1,4 +1,4 @@ +-cmake_minimum_required(VERSION 3.8) ++cmake_minimum_required(VERSION 3.1) + project(JSON_Benchmarks LANGUAGES CXX) + + # set compiler flags +diff --git a/test/cmake_add_subdirectory/project/CMakeLists.txt b/test/cmake_add_subdirectory/project/CMakeLists.txt +index 2c5be183..21357b68 100644 +--- a/test/cmake_add_subdirectory/project/CMakeLists.txt ++++ b/test/cmake_add_subdirectory/project/CMakeLists.txt +@@ -1,4 +1,4 @@ +-cmake_minimum_required(VERSION 3.8) ++cmake_minimum_required(VERSION 3.1) + + project(DummyImport CXX) + +diff --git a/test/cmake_import/project/CMakeLists.txt b/test/cmake_import/project/CMakeLists.txt +index d268d72c..fe892fc1 100644 +--- a/test/cmake_import/project/CMakeLists.txt ++++ b/test/cmake_import/project/CMakeLists.txt +@@ -1,4 +1,4 @@ +-cmake_minimum_required(VERSION 3.8) ++cmake_minimum_required(VERSION 3.1) + + project(DummyImport CXX) + +diff --git a/test/cmake_import_minver/project/CMakeLists.txt b/test/cmake_import_minver/project/CMakeLists.txt +index eeef3296..29056bdc 100644 +--- a/test/cmake_import_minver/project/CMakeLists.txt ++++ b/test/cmake_import_minver/project/CMakeLists.txt +@@ -1,4 +1,4 @@ +-cmake_minimum_required(VERSION 3.8) ++cmake_minimum_required(VERSION 3.1) + + project(DummyImportMinVer CXX) + +-- +2.14.1 +