docs: explain why squash merges are broken with long-running branches
[git] / config.mak.dev
1 ifeq ($(filter no-error,$(DEVOPTS)),)
2 DEVELOPER_CFLAGS += -Werror
3 endif
4 ifneq ($(filter pedantic,$(DEVOPTS)),)
5 DEVELOPER_CFLAGS += -pedantic
6 # don't warn for each N_ use
7 DEVELOPER_CFLAGS += -DUSE_PARENS_AROUND_GETTEXT_N=0
8 endif
9 DEVELOPER_CFLAGS += -Wall
10 DEVELOPER_CFLAGS += -Wdeclaration-after-statement
11 DEVELOPER_CFLAGS += -Wformat-security
12 DEVELOPER_CFLAGS += -Wold-style-definition
13 DEVELOPER_CFLAGS += -Woverflow
14 DEVELOPER_CFLAGS += -Wpointer-arith
15 DEVELOPER_CFLAGS += -Wstrict-prototypes
16 DEVELOPER_CFLAGS += -Wunused
17 DEVELOPER_CFLAGS += -Wvla
18
19 ifndef COMPILER_FEATURES
20 COMPILER_FEATURES := $(shell ./detect-compiler $(CC))
21 endif
22
23 ifneq ($(filter clang4,$(COMPILER_FEATURES)),)
24 DEVELOPER_CFLAGS += -Wtautological-constant-out-of-range-compare
25 endif
26
27 ifneq ($(or $(filter gcc6,$(COMPILER_FEATURES)),$(filter clang4,$(COMPILER_FEATURES))),)
28 DEVELOPER_CFLAGS += -Wextra
29 # if a function is public, there should be a prototype and the right
30 # header file should be included. If not, it should be static.
31 DEVELOPER_CFLAGS += -Wmissing-prototypes
32 ifeq ($(filter extra-all,$(DEVOPTS)),)
33 # These are disabled because we have these all over the place.
34 DEVELOPER_CFLAGS += -Wno-empty-body
35 DEVELOPER_CFLAGS += -Wno-missing-field-initializers
36 DEVELOPER_CFLAGS += -Wno-sign-compare
37 DEVELOPER_CFLAGS += -Wno-unused-parameter
38 endif
39 endif
40
41 # uninitialized warnings on gcc 4.9.2 in xdiff/xdiffi.c and config.c
42 # not worth fixing since newer compilers correctly stop complaining
43 ifneq ($(filter gcc4,$(COMPILER_FEATURES)),)
44 ifeq ($(filter gcc5,$(COMPILER_FEATURES)),)
45 DEVELOPER_CFLAGS += -Wno-uninitialized
46 endif
47 endif