From 256be563447a315f2a7993ec669460ba475fa86a Mon Sep 17 00:00:00 2001 From: Abseil Team Date: Tue, 12 Mar 2019 11:39:15 -0700 Subject: Export of internal Abseil changes. -- 00d42e3d5433aaf29c2ed293520b2ba178ae8bdb by Greg Falcon : Import of CCTZ from GitHub. PiperOrigin-RevId: 238061818 -- 867a7ca318fac2991ea9a4107dbae3cc9fbf974a by Abseil Team : Added a IWYU export pragma when including a standard header for the purpose of aliasing its symbols. PiperOrigin-RevId: 238022277 -- 17047745058f2f151cd986ea9f649512542d3876 by Matt Armstrong : Clarify the comment discouraging WrapUnique(x) calls. PiperOrigin-RevId: 237873803 -- 3dcb2e4968243d33ca0ce53280c445df50f4a7ec by Samuel Benzaquen : Workaround clang bug https://bugs.llvm.org/show_bug.cgi?id=38289 PiperOrigin-RevId: 237873551 -- f348d2dc7087a990cbdfb95aa51fd7ff478ae40e by Samuel Benzaquen : Reduce minimum capacity to 1. This reduces memory usage for small tables. A flat_hash_set of 1 element goes from 92 bytes to 24. A flat_hash_set of 1 element goes from 512 bytes to 56. PiperOrigin-RevId: 237859811 -- 9c8125be5e4e5d22a7bb62bdec8c323338385c1b by Jon Cohen : Bump to CMake 3.5. This is the oldest modern cmake being included by default in most popular OS distributions according to https://repology.org/project/cmake/versions. Specifically, Ubuntu LTS 16.04 uses cmake 3.5 (https://packages.ubuntu.com/xenial/cmake) PiperOrigin-RevId: 237859345 -- 07638d672e0a4dced986a62750cfd8318ed36ffa by Derek Mauro : Import of CCTZ from GitHub. PiperOrigin-RevId: 237714597 GitOrigin-RevId: 00d42e3d5433aaf29c2ed293520b2ba178ae8bdb Change-Id: I5faecc45add4a5a774d4f9baf06e5519091f2ccc --- CMakeLists.txt | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'CMakeLists.txt') diff --git a/CMakeLists.txt b/CMakeLists.txt index a56d238..571e48c 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) -- cgit v1.2.3