161 lines
5.1 KiB
Plaintext
Executable File
161 lines
5.1 KiB
Plaintext
Executable File
#------------------------------------------------------------------------------
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# NetHack 3.7 compiler.370 $NHDT-Date: 1637992237 2021/11/27 05:50:37 $ $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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#detection
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CCISCLANG := $(shell echo `$(CC) --version` | grep clang)
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ifeq "$(CCISCLANG)" ""
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ifdef WANT_WIN_QT6
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CXX=g++ -std=c++17
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else
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CXX=g++ -std=gnu++11
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endif
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else
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ifdef WANT_WIN_QT6
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CXX=clang++ -std=c++17
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else
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CXX=clang++ -std=gnu++11
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endif
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endif # clang
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# If you want to override the compiler detection just carried out
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# uncomment one of the following pairs. Note, however, that
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# doing this after the detection above will likely result in
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# mismatched variable values for CCISCLANG, GCCGTEQ, CLANGPPGTEQ9 etc.
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#
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#CC= gcc
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#CXX= g++ -std-gnu++11
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#
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#CC= clang
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#CXX=clang++ -std=gnu++11
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CFLAGS=$(CCFLAGS) -I../include -DNOTPARMDECL
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CFLAGS+=-Wall -Wextra -Wno-missing-field-initializers \
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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+=-Wunreachable-code
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CFLAGS+=-Wformat-nonliteral
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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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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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ifeq "$(CCISCLANG)" ""
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# gcc-specific follows
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CFLAGS+=-Wmissing-parameter-type
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ifdef WANT_WIN_QT
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CCXXFLAGS+= -Wno-deprecated-copy
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endif # WANT_WIN_QT
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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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endif #gcc version greater than or equal to 9
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#still in gcc-specific section here
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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 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 11)
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GPPGTEQ12 := $(shell expr `$(CC) -dumpversion | cut -f1 -d.` \>= 12)
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ifeq "$(GPPGTEQ9)" "1"
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CCXXFLAGS+=-Wformat-overflow
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ifdef WANT_WIN_QT
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CCXXFLAGS+=-Wno-deprecated-copy
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CCXXFLAGS+=-Wno-deprecated-declarations
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endif # WANT_WIN_QT
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endif # g++ version greater than or equal to 9
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ifeq "$(GPPGTEQ11)" "1"
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#the g++ linker will have trouble linker if the following isn't included
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#when compiling the C files.
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ifdef WANT_WIN_QT
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CFLAGS+=-fPIC
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endif # WANT_WIN_QT
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endif # g++ version greater than or equal to 11
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ifeq "$(GPPGTEQ12)" "1"
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ifdef WANT_WIN_QT6
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CXX=g++ -std=c++20
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endif # WANT_WIN_QT6
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endif # g++ version greater than or equal to 12
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# end of gcc-specific
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else # clang-specific follows
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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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CLANGPPGTEQ14 := $(shell expr `$(CXX) -dumpversion | cut -f1 -d.` \>= 14)
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ifeq "$(CLANGPPGTEQ9)" "1"
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ifdef WANT_WIN_QT
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CCXXFLAGS+=-Wno-deprecated-copy
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endif # WANT_WIN_QT
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endif #clang++ greater than or equal to 9
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ifdef WANT_WIN_QT
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ifeq "$(CLANGPPGTEQ14)" "1"
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# The clang++ linker seems to have trouble linker 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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endif # clang++ greater than or equal to 14
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CCXXFLAGS+=-Wno-deprecated-declarations
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endif # WANT_WIN_QT
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endif # clang-specific ends here
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# enable some optional code in various NetHack source files
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CFLAGS+=-DGCC_WARN
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CCXXFLAGS+=-DGCC_WARN
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ifdef MAKEFILE_SRC
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ifdef WANT_WIN_QT
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# when switching from Qt5 to Qt6 or vice versa, any old .moc files will be
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# incompatible; get rid of them in case user hasn't run 'make spotless';
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# object files are incompatable with Qt library, so get rid of them too;
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# Qt*.h-t are empty timestamp files and at most one should exist
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QTany_H = Qt*.h-t
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ifdef WANT_WIN_QT6
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# Qt 6 builds and runs (with a couple of warnings) but needs more testing
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QTn_H = Qt6.h-t
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else
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# Qt 5 is currently the default version for nethack 3.7.x's Qt interface
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QTn_H = Qt5.h-t
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endif
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$(QTn_H) ::
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@if test ! -f $@; then ( rm -f $(QTany_H) *.moc qt_*.o; touch $@ ); fi;
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endif #WANT_WIN_QT
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endif #MAKFILE_SRC
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#end of compiler.370
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#------------------------------------------------------------------------------
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