summaryrefslogtreecommitdiff
path: root/CMakeLists.txt
diff options
context:
space:
mode:
Diffstat (limited to 'CMakeLists.txt')
-rw-r--r--CMakeLists.txt9
1 files changed, 6 insertions, 3 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a56d238b..571e48c5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,9 +14,12 @@
# limitations under the License.
#
-# We require 3.0 for modern, target-based CMake. We require 3.1 for the use of
-# CXX_STANDARD in our targets.
-cmake_minimum_required(VERSION 3.1)
+# Most widely used distributions have cmake 3.5 or greater available as of March
+# 2019. A notable exception is RHEL-7 (CentOS7). You can install a current
+# version of CMake by first installing Extra Packages for Enterprise Linux
+# (https://fedoraproject.org/wiki/EPEL#Extra_Packages_for_Enterprise_Linux_.28EPEL.29)
+# and then issuing `yum install cmake3` on the command line.
+cmake_minimum_required(VERSION 3.5)
# Compiler id for Apple Clang is now AppleClang.
if (POLICY CMP0025)