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Change --enable-prec11 to --enable-prec11-final and give stronger warning

This commit is contained in:
Wilson Snyder 2020-07-11 08:56:40 -04:00
parent 7e7447812c
commit 1bd1e21a69
3 changed files with 15 additions and 13 deletions
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3
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@ -5,6 +5,9 @@ The contributors that suggested a given feature are shown in []. Thanks!
* Verilator 4.037 devel * Verilator 4.037 devel
** Versions 4.038 and 4.040 are planned to be the final versions that will
support pre-C++11 compilers. Please move to C++11 or newer compilers.
*** Support VPI access to parameters and localparam. [Ludwig Rogiers] *** Support VPI access to parameters and localparam. [Ludwig Rogiers]
*** Support parsing (not elaboration, yet) of UVM. *** Support parsing (not elaboration, yet) of UVM.

8
bin/verilator
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@ -4935,14 +4935,14 @@ The following deprecated items are scheduled for future removal:
=item Pre-C++11 compiler support =item Pre-C++11 compiler support
Verilator supports pre-C++11 compilers for non-threaded models when Verilator supports pre-C++11 compilers for non-threaded models when
configured with --enable-prec11. This flag will be removed and C++11 configured with --enable-prec11/--enable-prec11-final. This flag will be
compilers will be required for both compiling Verilator and compiling removed and C++11 compilers will be required for both compiling Verilator
Verilated models no sooner than September 2020. and compiling Verilated models no sooner than September 2020.
=item SystemC 2.2 and earlier support =item SystemC 2.2 and earlier support
Support for SystemC versions 2.2 and earlier including the related sc_clock Support for SystemC versions 2.2 and earlier including the related sc_clock
variable attribute will be removed no sooner than August 2020. The variable attribute will be removed no sooner than September 2020. The
supported versions will be SystemC 2.3.0 (SYSTEMC_VERSION 20111121) and supported versions will be SystemC 2.3.0 (SYSTEMC_VERSION 20111121) and
later (presently 2.3.0, 2.3.1, 2.3.2, 2.3.3). later (presently 2.3.0, 2.3.1, 2.3.2, 2.3.3).

17
configure.ac
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@ -114,14 +114,14 @@ AC_MSG_RESULT($CFG_WITH_LONGTESTS)
# CFG_WITH_PREC11 # CFG_WITH_PREC11
AC_MSG_CHECKING(whether allow pre-C++11) AC_MSG_CHECKING(whether allow pre-C++11)
AC_ARG_ENABLE([prec11], AC_ARG_ENABLE([prec11-final],
[AS_HELP_STRING([--enable-prec11], [AS_HELP_STRING([--enable-prec11-final],
[enable pre-C++11 compilers for Verilator binary [enable pre-C++11 compilers for Verilator binary
and Verilated makefiles])], and Verilated makefiles])],
[case "${enableval}" in [case "${enableval}" in
yes) CFG_WITH_PREC11=yes ;; yes) CFG_WITH_PREC11=yes ;;
no) CFG_WITH_PREC11=no ;; no) CFG_WITH_PREC11=no ;;
*) AC_MSG_ERROR([bad value ${enableval} for --enable-prec11]) ;; *) AC_MSG_ERROR([bad value ${enableval} for --enable-prec11-final]) ;;
esac], esac],
[CFG_WITH_PREC11=no;] [CFG_WITH_PREC11=no;]
) )
@ -433,12 +433,11 @@ if test "$CFG_WITH_THREADED" = "no" ; then
AC_MSG_NOTICE([[]]) AC_MSG_NOTICE([[]])
AC_MSG_ERROR([[the $CXX compiler appears to not support C++11. AC_MSG_ERROR([[the $CXX compiler appears to not support C++11.
Verilator plans to require a C++11 or newer compiler in a future release, Verilator will require a C++11 or newer compiler for all releases starting
unless sufficient people report problems. Therefore, if you do not have a September 2020. Please investigate a C++11 build environment now so you
C++11 compiler, please post a message to will be ready. Until then you may rerun configure with the
https://www.veripool.org/boards/3/topics/2580-Verilator-Requiring-C-11-compiler --enable-prec11-final argument to enable reduced functionality with such
indicating your OS and when you think C++11 might be ok, and then rerun older compilers. Thanks.]])
configure with the --enable-prec11 argument. Thanks.]])
fi fi
fi fi