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39 lines
1.2 KiB
Plaintext
39 lines
1.2 KiB
Plaintext
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CFLAGS += -Werror
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CFLAGS += -Wdeclaration-after-statement
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CFLAGS += -Wno-format-zero-length
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CFLAGS += -Wold-style-definition
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CFLAGS += -Woverflow
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CFLAGS += -Wpointer-arith
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CFLAGS += -Wstrict-prototypes
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CFLAGS += -Wunused
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CFLAGS += -Wvla
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ifndef COMPILER_FEATURES
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COMPILER_FEATURES := $(shell ./detect-compiler $(CC))
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endif
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ifneq ($(filter clang4,$(COMPILER_FEATURES)),)
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CFLAGS += -Wtautological-constant-out-of-range-compare
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endif
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ifneq ($(or $(filter gcc6,$(COMPILER_FEATURES)),$(filter clang4,$(COMPILER_FEATURES))),)
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CFLAGS += -Wextra
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# if a function is public, there should be a prototype and the right
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# header file should be included. If not, it should be static.
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CFLAGS += -Wmissing-prototypes
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# These are disabled because we have these all over the place.
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CFLAGS += -Wno-empty-body
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CFLAGS += -Wno-missing-field-initializers
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CFLAGS += -Wno-sign-compare
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CFLAGS += -Wno-unused-function
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CFLAGS += -Wno-unused-parameter
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endif
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# uninitialized warnings on gcc 4.9.2 in xdiff/xdiffi.c and config.c
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# not worth fixing since newer compilers correctly stop complaining
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ifneq ($(filter gcc4,$(COMPILER_FEATURES)),)
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ifeq ($(filter gcc5,$(COMPILER_FEATURES)),)
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CFLAGS += -Wno-uninitialized
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endif
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endif
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