config.mak.dev

   1 ifeq ($(filter no-error,$(DEVOPTS)),)
   2 CFLAGS += -Werror
   3 endif
   4 CFLAGS += -Wdeclaration-after-statement
   5 CFLAGS += -Wformat-security
   6 CFLAGS += -Wno-format-zero-length
   7 CFLAGS += -Wold-style-definition
   8 CFLAGS += -Woverflow
   9 CFLAGS += -Wpointer-arith
  10 CFLAGS += -Wstrict-prototypes
  11 CFLAGS += -Wunused
  12 CFLAGS += -Wvla
  13
  14 ifndef COMPILER_FEATURES
  15 COMPILER_FEATURES := $(shell ./detect-compiler $(CC))
  16 endif
  17
  18 ifneq ($(filter clang4,$(COMPILER_FEATURES)),)
  19 CFLAGS += -Wtautological-constant-out-of-range-compare
  20 endif
  21
  22 ifneq ($(or $(filter gcc6,$(COMPILER_FEATURES)),$(filter clang4,$(COMPILER_FEATURES))),)
  23 CFLAGS += -Wextra
  24 # if a function is public, there should be a prototype and the right
  25 # header file should be included. If not, it should be static.
  26 CFLAGS += -Wmissing-prototypes
  27 ifeq ($(filter extra-all,$(DEVOPTS)),)
  28 # These are disabled because we have these all over the place.
  29 CFLAGS += -Wno-empty-body
  30 CFLAGS += -Wno-missing-field-initializers
  31 CFLAGS += -Wno-sign-compare
  32 CFLAGS += -Wno-unused-function
  33 CFLAGS += -Wno-unused-parameter
  34 endif
  35 endif
  36
  37 # uninitialized warnings on gcc 4.9.2 in xdiff/xdiffi.c and config.c
  38 # not worth fixing since newer compilers correctly stop complaining
  39 ifneq ($(filter gcc4,$(COMPILER_FEATURES)),)
  40 ifeq ($(filter gcc5,$(COMPILER_FEATURES)),)
  41 CFLAGS += -Wno-uninitialized
  42 endif
  43 endif