Makefile: detect compiler and enable more warnings in DEVELOPER=1
[git/git.git] / config.mak.dev
CommitLineData
1da1580e
NTND
1CFLAGS += -Werror
2CFLAGS += -Wdeclaration-after-statement
3CFLAGS += -Wno-format-zero-length
4CFLAGS += -Wold-style-definition
5CFLAGS += -Woverflow
6CFLAGS += -Wpointer-arith
7CFLAGS += -Wstrict-prototypes
8CFLAGS += -Wunused
9CFLAGS += -Wvla
10
11ifndef COMPILER_FEATURES
12COMPILER_FEATURES := $(shell ./detect-compiler $(CC))
13endif
14
15ifneq ($(filter clang4,$(COMPILER_FEATURES)),)
16CFLAGS += -Wtautological-constant-out-of-range-compare
17endif
18
19ifneq ($(or $(filter gcc6,$(COMPILER_FEATURES)),$(filter clang4,$(COMPILER_FEATURES))),)
20CFLAGS += -Wextra
21# if a function is public, there should be a prototype and the right
22# header file should be included. If not, it should be static.
23CFLAGS += -Wmissing-prototypes
24# These are disabled because we have these all over the place.
25CFLAGS += -Wno-empty-body
26CFLAGS += -Wno-missing-field-initializers
27CFLAGS += -Wno-sign-compare
28CFLAGS += -Wno-unused-function
29CFLAGS += -Wno-unused-parameter
30endif
31
32# uninitialized warnings on gcc 4.9.2 in xdiff/xdiffi.c and config.c
33# not worth fixing since newer compilers correctly stop complaining
34ifneq ($(filter gcc4,$(COMPILER_FEATURES)),)
35ifeq ($(filter gcc5,$(COMPILER_FEATURES)),)
36CFLAGS += -Wno-uninitialized
37endif
38endif