config.mak.dev

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