openfoam/wmake/rules/General/Clang/c++
Mark Olesen c2697f466d CONFIG: update c++ standard, some compiler rules (partially addresses #2209)
- migrate to c++14 for most compilers *except* gcc.
  There are still many systems in use with gcc-4.8.5, which does not
  support c++14.

- initial rules for nvidia compilers (pgi is will soon be defunct).
  Not fully tested...

CONFIG: provide fallback value for the user directory name

- in containers may have an unset USER env variable.
  Default to 'user' to prevent ugly looking directory names.
2021-10-21 15:31:05 +02:00

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#------------------------------------------------------------------------------
SUFFIXES += .C .cc .cpp .cxx
CC = clang++ -std=c++14
c++ARCH =
c++DBUG =
c++OPT = -O2
ptFLAGS = -DNoRepository -ftemplate-depth-100
# - Standard warnings
# - Less restrictive warnings (may be needed for flex++, CGAL, etc.)
c++WARN = \
-Wall -Wextra -Wold-style-cast \
-Wnon-virtual-dtor -Wno-unused-parameter -Wno-invalid-offsetof \
-Wno-undefined-var-template \
-Wno-unknown-warning-option \
$(FOAM_EXTRA_CXXFLAGS)
c++LESSWARN = \
-Wno-old-style-cast -Wno-unused-local-typedefs \
-Wno-tautological-undefined-compare -Wno-shift-negative-value \
-Wno-null-pointer-arithmetic
#------------------------------------------------------------------------------