config.mak.dev

   1 ifndef COMPILER_FEATURES
   2 COMPILER_FEATURES := $(shell ./detect-compiler $(CC))
   3 endif
   4
   5 ifeq ($(filter no-error,$(DEVOPTS)),)
   6 DEVELOPER_CFLAGS += -Werror
   7 SPARSE_FLAGS += -Wsparse-error
   8 endif
   9
  10 DEVELOPER_CFLAGS += -Wall
  11 ifeq ($(filter no-pedantic,$(DEVOPTS)),)
  12 DEVELOPER_CFLAGS += -pedantic
  13 ifneq (($or $(filter gcc5,$(COMPILER_FEATURES)),$(filter clang4,$(COMPILER_FEATURES))),)
  14 DEVELOPER_CFLAGS += -Wpedantic
  15 ifneq ($(filter gcc10,$(COMPILER_FEATURES)),)
  16 ifeq ($(uname_S),MINGW)
  17 DEVELOPER_CFLAGS += -Wno-pedantic-ms-format
  18 endif
  19 endif
  20 endif
  21 endif
  22
  23 ifneq ($(uname_S),FreeBSD)
  24 ifneq ($(or $(filter gcc6,$(COMPILER_FEATURES)),$(filter clang7,$(COMPILER_FEATURES))),)
  25 DEVELOPER_CFLAGS += -std=gnu99
  26 endif
  27 else
  28 # FreeBSD cannot limit to C99 because its system headers unconditionally
  29 # rely on C11 features.
  30 endif
  31
  32 DEVELOPER_CFLAGS += -Wdeclaration-after-statement
  33 DEVELOPER_CFLAGS += -Wformat-security
  34 DEVELOPER_CFLAGS += -Wold-style-definition
  35 DEVELOPER_CFLAGS += -Woverflow
  36 DEVELOPER_CFLAGS += -Wpointer-arith
  37 DEVELOPER_CFLAGS += -Wstrict-prototypes
  38 DEVELOPER_CFLAGS += -Wunused
  39 DEVELOPER_CFLAGS += -Wvla
  40 DEVELOPER_CFLAGS += -fno-common
  41
  42 ifneq ($(filter clang4,$(COMPILER_FEATURES)),)
  43 DEVELOPER_CFLAGS += -Wtautological-constant-out-of-range-compare
  44 endif
  45
  46 ifneq ($(or $(filter gcc6,$(COMPILER_FEATURES)),$(filter clang4,$(COMPILER_FEATURES))),)
  47 DEVELOPER_CFLAGS += -Wextra
  48 # if a function is public, there should be a prototype and the right
  49 # header file should be included. If not, it should be static.
  50 DEVELOPER_CFLAGS += -Wmissing-prototypes
  51 ifeq ($(filter extra-all,$(DEVOPTS)),)
  52 # These are disabled because we have these all over the place.
  53 DEVELOPER_CFLAGS += -Wno-empty-body
  54 DEVELOPER_CFLAGS += -Wno-missing-field-initializers
  55 DEVELOPER_CFLAGS += -Wno-sign-compare
  56 DEVELOPER_CFLAGS += -Wno-unused-parameter
  57 endif
  58 endif
  59
  60 # uninitialized warnings on gcc 4.9.2 in xdiff/xdiffi.c and config.c
  61 # not worth fixing since newer compilers correctly stop complaining
  62 ifneq ($(filter gcc4,$(COMPILER_FEATURES)),)
  63 ifeq ($(filter gcc5,$(COMPILER_FEATURES)),)
  64 DEVELOPER_CFLAGS += -Wno-uninitialized
  65 endif
  66 endif
  67
  68 # https://bugzilla.redhat.com/show_bug.cgi?id=2075786
  69 ifneq ($(filter gcc12,$(COMPILER_FEATURES)),)
  70 DEVELOPER_CFLAGS += -Wno-error=stringop-overread
  71 DEVELOPER_CFLAGS += -Wno-error=dangling-pointer
  72 endif
  73
  74 GIT_TEST_PERL_FATAL_WARNINGS = YesPlease