Update

source/generated/CodingStyle

@@ -25,7 +25,7 @@ Formatting of code
 C++ Language
 -------------
 
-Yosys is written in C++11.
+Yosys is written in C++17.
 
 In general Yosys uses "int" instead of "size_t". To avoid compiler
 warnings for implicit type casts, always use "GetSize(foobar)" instead

source/generated/yosys-config

@@ -5,7 +5,7 @@ Usage: ./yosys-config [--exec] [--prefix pf] args..
 Replacement args:
     --cxx         ccache clang++
     --cxxflags    -Wall -Wextra -ggdb -I"/usr/local/share/yosys/include" \
-                      -MD -MP -D_YOSYS_ -fPIC -I/usr/local/include -std=c++11 \
+                      -MD -MP -D_YOSYS_ -fPIC -I/usr/local/include -std=c++17 \
                       -Os -DYOSYS_ENABLE_READLINE -DYOSYS_ENABLE_PLUGINS \
                       -DYOSYS_ENABLE_GLOB -DYOSYS_ENABLE_ZLIB \
                       -I/usr/include/tcl8.6 -DYOSYS_ENABLE_TCL -DYOSYS_ENABLE_ABC \

source/getting_started/installation.rst

@@ -84,7 +84,7 @@ not regularly tested:
 Build prerequisites
 ^^^^^^^^^^^^^^^^^^^
 
-A C++ compiler with C++11 support is required as well as some standard tools
+A C++ compiler with C++17 support is required as well as some standard tools
 such as GNU Flex, GNU Bison, Make and Python.  Some additional tools: readline,
 libffi, Tcl and zlib; are optional but enabled by default (see
 :makevar:`ENABLE_*` settings in Makefile). Graphviz and Xdot are used by the

source/yosys_internals/index.rst

@@ -25,7 +25,7 @@ wide range of real-world designs, including the `OpenRISC 1200 CPU`_, the
 
 .. _k68 CPU: http://opencores.org/projects/k68
 
-Yosys is written in C++, targeting C++11 at minimum. This chapter describes some
+Yosys is written in C++, targeting C++17 at minimum. This chapter describes some
 of the fundamental Yosys data structures. For the sake of simplicity the C++
 type names used in the Yosys implementation are used in this chapter, even
 though the chapter only explains the conceptual idea behind it and can be used