18a4a41b15
get the warning flags on linux and macOS into better alignment move the compiler flags into hints/include/compiler.2020 so that maintenance changes can be made there and take effect for both linux and macOS this will likely trigger some initial new code warnings to be investigated on either or both platforms
77 lines
2.6 KiB
Plaintext
Executable File
77 lines
2.6 KiB
Plaintext
Executable File
#------------------------------------------------------------------------------
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# NetHack 3.7 compiler.2020 $NHDT-Date: 1597332785 2020/08/13 15:33:05 $ $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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CCISCLANG := $(shell echo `$(CC) --version` | grep clang)
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ifeq "$(CCISCLANG)" ""
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CXX=g++ -std=gnu++11
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else
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CXX=clang++ -std=gnu++11
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endif
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# if you want to override the compiler detection just carried out
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# uncomment one of the following pairs as desired.
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#CC= gcc
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#CXX= g++ -std-gnu++11
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#
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#CC= clang
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#CXX=clang++ -std=gnu++11
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CFLAGS=$(CCFLAGS) -I../include -DNOTPARMDECL
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ifndef WANT_WIN_QT
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ifndef WANT_LIBNH
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# these are normally used when compiling nethack's core
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# but -ansi forces -std=c90 for C or -std=c++98 for C++;
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# win/Qt/qt_*.cpp compiled with C++98 semantics trigger
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#In file included from .../qt5/include/QtCore/qglobal.h:105:
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#.../qt5/include/QtCore/qcompilerdetection.h:561:6:
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# error Qt requires a C++11 compiler and yours does not seem to be that.
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# so we suppress -ansi when the build includes Qt
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#CFLAGS+=-ansi -Wno-long-long
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#CFLAGS+=-std=c99
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#
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#LIBNH's winshim requires C99 for the way it is currently coded
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endif
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endif
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CFLAGS+=-Wall -Wextra -Wno-missing-field-initializers -Wimplicit \
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-Wreturn-type -Wunused -Wformat -Wswitch -Wshadow -Wwrite-strings
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CFLAGS+=-pedantic
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CFLAGS+=-DGCC_WARN
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CFLAGS+=-Wimplicit-function-declaration
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CFLAGS+=-Wimplicit-int
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CFLAGS+=-Wmissing-declarations
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CFLAGS+=-Wmissing-prototypes
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ifeq "$(CCISCLANG)" ""
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#gcc-specific here
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CFLAGS+=-Wmissing-parameter-type
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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+=-Wno-format-overflow
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endif #gcc version greater than or equal to 9
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else # clang
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# clang-specific here
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endif # clang
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# As of LLVM build 2336.1.00, this gives dozens of spurious messages, so
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# leave it out by default.
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#CFLAGS+=-Wunreachable-code
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#
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# Can't use these; NetHack uses old-style-definitions
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#CFLAGS+=-Wold-style-definition
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#CFLAGS+=-Wstrict-prototypes
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#end of compiler.2020
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#------------------------------------------------------------------------------
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