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Require cmake 3.10 or newer (#3724)

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CMakeLists.txt uses TREE (supported since cmake 3.8) and
check_ipo_supported (supported since cmake 3.9).

Require 3.10 which is provided by Ubuntu bionic and newer distributions.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
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Stefan Weil 2022-01-16 21:30:08 +01:00 committed by GitHub
parent 24e68b9140
commit fe420fa718
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1 changed files with 2 additions and 4 deletions
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6
CMakeLists.txt
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@ -8,7 +8,7 @@
#
# ##############################################################################
cmake_minimum_required(VERSION 3.7 FATAL_ERROR)
cmake_minimum_required(VERSION 3.10 FATAL_ERROR)
# In-source builds are disabled.
if("${CMAKE_CURRENT_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_BINARY_DIR}")
@ -292,9 +292,7 @@ if(OPENMP_BUILD)
if(OpenMP_FOUND)
message(">> OpenMP_FOUND ${OpenMP_FOUND} ${OpenMP_VERSION}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
if(${CMAKE_VERSION} VERSION_LESS "3.9.0")
add_library(OpenMP::OpenMP_CXX IMPORTED INTERFACE)
endif()
add_library(OpenMP::OpenMP_CXX IMPORTED INTERFACE)
endif()
# https://stackoverflow.com/questions/12399422
# how-to-set-linker-flags-for-openmp-in-cmakes-try-compile-function