216 lines
6.3 KiB
Plaintext
Executable File
216 lines
6.3 KiB
Plaintext
Executable File
#------------------------------------------------------------------------------
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# NetHack 3.7 compiler.370 $NHDT-Date: 1668359835 2022/11/13 17:17:15 $ $NHDT-Branch: NetHack-3.7 $
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# compiler flags: CCFLAGS is used to construct a value for CFLAGS with
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# various -I, -D, and -W settings appended below;
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# these are the settings of most interest for an end-user build
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# (clang doesn't support '-Og', gcc needs 4.x or later)
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CCFLAGS = -g
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#CCFLAGS = -g -Og
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#CCFLAGS = -O2
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# Note: this is not the usual 'CFLAGS' which is used in default
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# rules for compiling C code; specifying a value for that on the
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# 'make' command line should be avoided.
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#If you want to force use of one particular set of compilers, do it
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#here, ahead of the detection, so that the detection will match your
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#choice and set variables CCISCLANG, GCCGTEQ, CLANGPPGTEQ9 etc.
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#accordingly.
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#
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#CC= gcc
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#CXX= g++ -std-gnu++11
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#
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#CC= clang
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#CXX=clang++ -std=gnu++11
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#
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# If these are set on entry, preparation for C++ compiles is affected.
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# CPLUSPLUS_NEEDED = 1 C++ compile bits included
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# CPLUSPLUS_NEED17 = 1 C++ -std=c++17 (at least)
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# CPLUSPLUS_NEED_DEPSUPPRESS = 1 C++ -Wno-deprecated-copy,
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# -Wno-deprecated-declarations
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ifeq "$(WANT_ASAN)" "1"
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USE_ASAN=1
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endif
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ifeq "$(WANT_UBSAN)" "1"
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USE_UBSAN=1
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endif
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# If you want to override the compiler detection just carried out
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# uncomment one of the following pairs. Note, however, that
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# doing this after the detection above will likely result in
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# mismatched variable values for CCISCLANG, GCCGTEQ, CLANGPPGTEQ9 etc.
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#
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#CC= gcc
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#CXX= g++ -std-gnu++11
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#
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#CC= clang
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#CXX=clang++ -std=gnu++11
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CFLAGS=$(CCFLAGS) -I../include -DNOTPARMDECL
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CFLAGS+=-Wall -Wextra \
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-Wreturn-type -Wunused -Wformat -Wswitch -Wshadow -Wwrite-strings
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CFLAGS+=-pedantic
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CFLAGS+=-Wmissing-declarations
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#CFLAGS+=-Wformat=2
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# these are left out of the C++ flags
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CFLAGS+=-Wformat-nonliteral
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CFLAGS+=-Wunreachable-code
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#
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# the following are not allowed in C++
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CFLAGS+=-Wimplicit
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CFLAGS+=-Wimplicit-function-declaration
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CFLAGS+=-Wimplicit-int
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CFLAGS+=-Wmissing-prototypes
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CFLAGS+=-Wold-style-definition
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CFLAGS+=-Wstrict-prototypes
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CFLAGS+=-Wnonnull
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#detection of clang vs gcc
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CCISCLANG := $(shell echo `$(CC) --version` | grep clang)
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ifeq "$(CCISCLANG)" ""
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# gcc-specific follows
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CXX=g++ -std=gnu++11
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# get the version of gcc
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GCCGTEQ9 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 9)
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GCCGTEQ11 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 11)
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GCCGTEQ12 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 12)
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ifeq "$(GCCGTEQ9)" "1"
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# flags present in gcc version greater than or equal to 9 can go here
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CFLAGS+=-Wformat-overflow
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CFLAGS+=-Wmissing-parameter-type
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endif # GCC greater than or equal to 9
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#ifeq "$(GCCGTEQ11)" "1"
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#endif
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#ifeq "$(GCCGTEQ12)" "1"
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#endif
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# end of gcc-specific
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else # gcc or clang?
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CXX=clang++ -std=gnu++11
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# clang-specific follows
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CLANGGTEQ14 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 14)
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ifeq "$(CLANGGTEQ14)" "1"
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ifneq "$(VIEWDEPRECATIONS)" "1"
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CFLAGS+=-Wno-deprecated-declarations
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endif # not VIEWDEPRECATIONS
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else
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# older versions complain about things newer ones don't without this
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CFLAGS+=-Wno-missing-field-initializers
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endif
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# none
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endif # clang-specific ends here
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ifdef MAKEFILE_SRC
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ifdef CPLUSPLUS_NEEDED
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CCXXFLAGS = -g -I../include -DNOTPARMDECL
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CCXXFLAGS+=-Wall -Wextra -Wno-missing-field-initializers \
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-Wreturn-type -Wunused -Wformat -Wswitch -Wshadow -Wwrite-strings
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CCXXFLAGS+=-pedantic
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CCXXFLAGS+=-Wmissing-declarations
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#detection of clang++ vs g++
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CXXISCLANG := $(shell echo `$(CXX) --version` | grep clang)
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ifeq "$(CXXISCLANG)" ""
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# g++-specific
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CCXX=g++ -std=gnu++11
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# get the version of g++
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GPPGTEQ9 := $(shell expr `$(CXX) -dumpversion | cut -f1 -d.` \>= 9)
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GPPGTEQ11 := $(shell expr `$(CXX) -dumpversion | cut -f1 -d.` \>= 11)
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GPPGTEQ12 := $(shell expr `$(CXX) -dumpversion | cut -f1 -d.` \>= 12)
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ifeq "$(GPPGTEQ9)" "1"
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CCXXFLAGS+=-Wformat-overflow
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ifdef CPLUSPLUS_NEED_DEPSUPPRESS
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ifneq "$(VIEWDEPRECATIONS)" "1"
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CCXXFLAGS+=-Wno-deprecated-copy
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CCXXFLAGS+=-Wno-deprecated-declarations
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endif # not VIEWDEPRECATIONS
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endif # CPLUSPLUS_NEED_DEPSUPPRESS
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endif # g++ version greater than or equal to 9
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ifeq "$(GPPGTEQ11)" "1"
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# the g++ linker will have trouble linking if the following isn't included
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# when compiling the C files.
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CFLAGS+=-fPIC
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endif # g++ version greater than or equal to 11
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ifdef CPLUSPLUS_NEED17
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ifeq "$(GPPGTEQ12)" "1"
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CCXX=g++ -std=c++20
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else # g++ version greater than or equal to 12? (no follows)
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CCXX=g++ -std=c++17
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endif # g++ version greater than or equal to 12
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endif # CPLUSPLUS_NEED17
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else # g++ or clang++ ?
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# clang++-specific
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CCXX=clang++ -std=c++11
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# get the version of clang++
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CLANGPPGTEQ9 := $(shell expr `$(CXX) -dumpversion | cut -f1 -d.` \>= 9)
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CLANGPPGTEQ11 := $(shell expr `$(CXX) -dumpversion | cut -f1 -d.` \>= 11)
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CLANGPPGTEQ14 := $(shell expr `$(CXX) -dumpversion | cut -f1 -d.` \>= 14)
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CLANGPPGTEQ16 := $(shell expr `$(CXX) -dumpversion | cut -f1 -d.` \>= 16)
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CLANGPPGTEQ17 := $(shell expr `$(CXX) -dumpversion | cut -f1 -d.` \>= 17)
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ifeq "$(CLANGPPGTEQ9)" "1"
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#CCXXFLAGS+=-Wformat-overflow
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endif
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ifeq "$(CLANGPPGTEQ14)" "1"
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CPLUSPLUS_NEED_DEPSUPPRESS=1
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endif
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ifdef CPLUSPLUS_NEED_DEPSUPPRESS
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ifneq "$(VIEWDEPRECATIONS)" "1"
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CCXXFLAGS+=-Wno-deprecated
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CCXXFLAGS+=-Wno-deprecated-declarations
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endif # not VIEWDEPRECATIONS
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endif # CPLUSPLUS_NEED_DEPSUPPRESS
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# The clang++ linker seems to have trouble linking if the following isn't
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# included when compiling the C files by clang..
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CFLAGS+=-fPIC
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ifdef CPLUSPLUS_NEED17
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ifeq "$(CLANGPPGTEQ14)" "1"
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CCXX=clang++ -std=c++17
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endif # clang++ greater than or equal to 14
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ifeq "$(CLANGPPGTEQ17)" "1"
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CCXX=clang++ -std=c++20
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endif # clang++ greater than or equal to 17
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endif # CPLUSPLUS_NEED17
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endif # end of clang++-specific section
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CXX=$(CCXX)
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endif # CPLUSPLUS_NEEDED
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endif # MAKEFILE_SRC
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ifeq "$(c89)" "1"
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HAVECSTD=c89
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endif
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ifeq "$(C89)" "1"
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HAVECSTD=c89
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endif
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ifeq "$(c99)" "1"
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HAVECSTD=c99
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endif
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ifeq "$(C99)" "1"
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HAVECSTD=c99
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endif
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ifeq "$(c11)" "1"
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HAVECSTD=c11
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endif
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ifeq "$(C11)" "1"
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HAVECSTD=c11
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endif
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ifeq "$(c23)" "1"
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HAVECSTD=c2x
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endif
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ifeq "$(C23)" "1"
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HAVECSTD=c2x
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endif
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ifneq "$(HAVECSTD)" ""
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CSTD = -std=$(HAVECSTD)
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endif
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#end of compiler.370
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#------------------------------------------------------------------------------
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