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extra warnings

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This commit is contained in:
Philippe Teuwen 2020-05-09 15:06:28 +02:00
commit 5c09e33de6
1 changed files with 36 additions and 15 deletions
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51
Makefile.defs
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@ -45,23 +45,44 @@ else
RANLIB= ranlib
endif
DEFCFLAGS = -Wall -Werror -O3
DEFCFLAGS = -Wall -Werror -O3 -fstrict-aliasing -pipe
# Some more warnings we want as errors:
DEFCFLAGS += -Wcast-align -Wbad-function-cast -Wredundant-decls -Wmissing-prototypes -Wchar-subscripts -Wshadow -Wundef -Wwrite-strings -Wunused -Wuninitialized -Wpointer-arith -Winline -Wformat -Wformat-security -Winit-self -Wmissing-include-dirs -Wnested-externs -Wmissing-declarations -Wempty-body -Wignored-qualifiers -Wmissing-field-initializers
DEFCFLAGS += -Wbad-function-cast -Wredundant-decls -Wmissing-prototypes -Wchar-subscripts -Wshadow -Wundef -Wwrite-strings -Wunused -Wuninitialized -Wpointer-arith -Winline -Wformat -Wformat-security -Winit-self -Wmissing-include-dirs -Wnested-externs -Wmissing-declarations -Wempty-body -Wignored-qualifiers -Wmissing-field-initializers -Wtype-limits
# Some more warnings we need first to eliminate, so temporarely tolerated:
DEFCFLAGS += -Wno-error=cast-align
# TODO?:
#DEFCFLAGS += -Wunused-parameter -Wno-error=unused-parameter
#DEFCFLAGS += -Wold-style-declaration -Wno-error=old-style-declaration
#DEFCFLAGS += -Wsign-compare -Wno-error=sign-compare
#DEFCFLAGS += -Wimplicit-fallthrough=3 -Wno-error=implicit-fallthrough
#DEFCFLAGS += -Wtype-limits -Wno-error=type-limits
#DEFCFLAGS += -Wunused-but-set-parameter -Wno-error=unused-but-set-parameter
#DEFCFLAGS += -Wswitch-enum -Wno-error=switch-enum
#DEFCFLAGS += -Wold-style-definition -Wno-error=old-style-definition
# unknown to clang: -Wclobbered -Wmissing-parameter-type -Wcast-function-type
# unknown to clang < 8: -Woverride-init
# unknown to gcc < 6: -Wshift-negative-value
DEFCFLAGS += -Wcast-align -Wno-error=cast-align
# Next ones are activated only if GCCEXTRA=1 or CLANGEXTRA=1
EXTRACFLAGS =
EXTRACFLAGS += -Wunused-parameter -Wno-error=unused-parameter
EXTRACFLAGS += -Wsign-compare -Wno-error=sign-compare
EXTRACFLAGS += -Wswitch-enum -Wno-error=switch-enum
EXTRACFLAGS += -Wold-style-definition -Wno-error=old-style-definition
# unknown to clang or old gcc:
# First we activate Wextra then we explicitly list those we know about
GCCEXTRACFLAGS = -Wextra
GCCEXTRACFLAGS += -Wclobbered -Wno-error=clobbered
GCCEXTRACFLAGS += -Wcast-function-type -Wno-error=cast-function-type
GCCEXTRACFLAGS += -Wimplicit-fallthrough=3 -Wno-error=implicit-fallthrough
GCCEXTRACFLAGS += -Wmissing-parameter-type -Wno-error=missing-parameter-type
GCCEXTRACFLAGS += -Wold-style-declaration -Wno-error=old-style-declaration
GCCEXTRACFLAGS += -Woverride-init -Wno-error=override-init
GCCEXTRACFLAGS += -Wshift-negative-value -Wno-error=shift-negative-value
GCCEXTRACFLAGS += -Wunused-but-set-parameter -Wno-error=unused-but-set-parameter
ifeq ($(GCCEXTRA),1)
DEFCFLAGS += $(GCCEXTRACFLAGS) $(EXTRACFLAGS)
endif
# unknown to gcc or old clang:
# First we activate Wextra then we explicitly list those we know about
CLANGEXTRACFLAGS = -Wextra
CLANGEXTRACFLAGS += -Wtautological-type-limit-compare
CLANGEXTRACFLAGS += -Wnull-pointer-arithmetic
CLANGEXTRACFLAGS += -Woverride-init
CLANGEXTRACFLAGS += -Wshift-negative-value
CLANGEXTRACFLAGS += -Wimplicit-fallthrough
ifeq ($(CLANGEXTRA),1)
DEFCFLAGS += $(CLANGEXTRACFLAGS) $(EXTRACFLAGS)
endif
ifeq ($(platform),Darwin)
# their readline has strict-prototype issues