5224d85ad3
We've had a few pull requests fixing format/argument mismatches lately. I did't notice when PRINTF_F(format_index,first_arg_index) attribute use and the checking gcc and clang do with it got removed, but that was very useful. Putting it back triggers a whole bunch of "format string is not literal" warnings, but that's because '-Wformat-nonliteral' was explicitly added to the *.2020 hints. Checking pline/You/&c arguments in the cases where the format is a literal is more valuable than the complaints for sprintf being fed a generated format, so reinstate PRINTF_F usage and turn off the check for non-literal format strings.
111 lines
3.4 KiB
Plaintext
Executable File
111 lines
3.4 KiB
Plaintext
Executable File
#------------------------------------------------------------------------------
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# NetHack 3.7 compiler.2020 $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 "$(CCISCLANG)" ""
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CXX=g++ -std=gnu++11
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else
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CXX=clang++ -std=gnu++11
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endif
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# If you want to override the compiler detection just carried out
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# uncomment one of the following pairs. Note, however, that
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# doing this after the detection above will likely result in
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# mismatched variable values for CCISCLANG, GCCGTEQ, CLANGPPGTEQ9 etc.
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#
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#CC= gcc
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#CXX= g++ -std-gnu++11
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#
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#CC= clang
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#CXX=clang++ -std=gnu++11
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CFLAGS=$(CCFLAGS) -I../include -DNOTPARMDECL
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CFLAGS+=-Wall -Wextra -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+=-Wno-format-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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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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CCXXFLAGS+=-Wno-format-nonliteral
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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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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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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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endif # WANT_WIN_QT
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endif # g++ version greater than or equal to 9
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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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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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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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#end of compiler.2020
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#------------------------------------------------------------------------------
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