build: raise minimum build requirements
* Make gcc 7.4 and boost 1.65.1 hard dependencies, both are
available out-of-the-box on Ubuntu 18.04
* Require Xcode 10 on macOS but recommend 11.3 or later
* If using clang on non-Apple platforms, the minimum supported
version is now 6.0
Change-Id: I79c84a266741c9a66655da4fd467fe0d8218e8f0
diff --git a/docs/INSTALL.rst b/docs/INSTALL.rst
index 3fb4e59..25438da 100644
--- a/docs/INSTALL.rst
+++ b/docs/INSTALL.rst
@@ -22,7 +22,7 @@
- Fedora >= 29
- Gentoo Linux
- Raspberry Pi OS (formerly Raspbian) >= 2019-06-20
-- FreeBSD >= 11.3
+- FreeBSD >= 12.0
- macOS 10.14
Prerequisites
@@ -31,8 +31,8 @@
Required
~~~~~~~~
-- GCC >= 7.4 or clang >= 4.0 (on Linux and FreeBSD)
-- Xcode >= 9.0 (on macOS)
+- GCC >= 7.4 or clang >= 6.0 (if you are on Linux or FreeBSD)
+- Xcode >= 11.3 or corresponding version of Command Line Tools (if you are on macOS)
- Python >= 3.6
- pkg-config
- Boost >= 1.65.1