openfoam/wmake/rules/General/Gcc/c++
Mark Olesen 793f4e3a37 CONFIG: add support for WM_COMPILE_OPTION='Dbg'
- uses '-g -DFULLDEBUG' (like Debug), but with -O3 (like Opt).

  This adds in debug symbols and FULLDEBUG code segments (good for
  code development) but retains -O3 optimizations and code paths and
  avoids the much slower -O0 associated with 'Debug'.

- add in central wmake/General/common/{c,c++}XXX tuning,
  which helps reduce the number of nearly identical files

ENH: add support for wmake -debug-Og
2022-09-09 11:55:33 +02:00

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#------------------------------------------------------------------------------
# C++14 support with gcc-5 and later, but several systems (as of 2021)
# are still using gcc-4.8.4 (centos7, suse SLES12, ...)
#
# NOTE if your system gcc is new enough can simply use c++14 too.
#------------------------------------------------------------------------------
SUFFIXES += .C .cc .cpp .cxx
CC := g++$(COMPILER_VERSION) -std=c++11
c++ARCH :=
c++DBUG :=
c++OPT := -O2
ptFLAGS := -DNoRepository -ftemplate-depth-100
c++WARN = \
-Wall -Wextra -Wold-style-cast \
-Wnon-virtual-dtor -Wno-unused-parameter -Wno-invalid-offsetof \
-Wno-attributes -Wno-unknown-pragmas
# Less restrictive warnings (eg, for flex++, CGAL, etc.)
c++LESSWARN = \
-Wno-old-style-cast -Wno-unused-local-typedefs -Wno-array-bounds \
-Wno-deprecated-declarations \
-fpermissive
# Tuning
sinclude $(GENERAL_RULES)/common/c++$(WM_COMPILE_OPTION)
#------------------------------------------------------------------------------