openfoam/wmake/rules/linux64Clang/c++
Henry Weller 7996a9138f C++11: Update compilation rules to specify C++11 support and conformance
The change from C++0x to C++11 allows all of C++11 functionality to be
used in OpenFOAM, in particular constructor delegation which avoids code
duplication or constructor helper functions.  However, this also means a
change to the minimum gcc version supported which is now 4.7 rather than
4.5.

Note that gcc-4.7 does not support the entire C++11 standard but does
support all of the functionality currently needed for further OpenFOAM
development.  The minimum gcc-version which supports the entire C++11
standard is 4.8 which is now the recommended minimum gcc version.
2016-08-05 16:28:19 +01:00

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SUFFIXES += .C
c++WARN = -Wall -Wextra -Wold-style-cast -Wnon-virtual-dtor -Wno-unused-parameter -Wno-invalid-offsetof -Wno-c++11-extensions
# Suppress some warnings for flex++ and CGAL
c++LESSWARN = -Wno-old-style-cast -Wno-unused-local-typedefs -Wno-tautological-undefined-compare -Wno-shift-negative-value
CC = clang++ -std=c++11 -m64
include $(DEFAULT_RULES)/c++$(WM_COMPILE_OPTION)
ptFLAGS = -DNoRepository -ftemplate-depth-100
c++FLAGS = $(GFLAGS) $(c++WARN) $(c++OPT) $(c++DBUG) $(ptFLAGS) $(LIB_HEADER_DIRS) -fPIC
Ctoo = $(WM_SCHEDULER) $(CC) $(c++FLAGS) -c $< -o $@
cxxtoo = $(Ctoo)
cctoo = $(Ctoo)
cpptoo = $(Ctoo)
LINK_LIBS = $(c++DBUG)
LINKLIBSO = $(CC) $(c++FLAGS) -shared
LINKEXE = $(CC) $(c++FLAGS) -Xlinker --add-needed