| ifndef COMPILER_FEATURES |
| COMPILER_FEATURES := $(shell ./detect-compiler $(CC)) |
| endif |
| |
| ifeq ($(filter no-error,$(DEVOPTS)),) |
| DEVELOPER_CFLAGS += -Werror |
| SPARSE_FLAGS += -Wsparse-error |
| endif |
| |
| DEVELOPER_CFLAGS += -Wall |
| ifeq ($(filter no-pedantic,$(DEVOPTS)),) |
| DEVELOPER_CFLAGS += -pedantic |
| ifneq (($or $(filter gcc5,$(COMPILER_FEATURES)),$(filter clang4,$(COMPILER_FEATURES))),) |
| DEVELOPER_CFLAGS += -Wpedantic |
| ifneq ($(filter gcc10,$(COMPILER_FEATURES)),) |
| ifeq ($(uname_S),MINGW) |
| DEVELOPER_CFLAGS += -Wno-pedantic-ms-format |
| endif |
| endif |
| endif |
| endif |
| |
| ifneq ($(uname_S),FreeBSD) |
| ifneq ($(or $(filter gcc6,$(COMPILER_FEATURES)),$(filter clang7,$(COMPILER_FEATURES))),) |
| DEVELOPER_CFLAGS += -std=gnu99 |
| endif |
| else |
| # FreeBSD cannot limit to C99 because its system headers unconditionally |
| # rely on C11 features. |
| endif |
| |
| DEVELOPER_CFLAGS += -Wdeclaration-after-statement |
| DEVELOPER_CFLAGS += -Wformat-security |
| DEVELOPER_CFLAGS += -Wold-style-definition |
| DEVELOPER_CFLAGS += -Woverflow |
| DEVELOPER_CFLAGS += -Wpointer-arith |
| DEVELOPER_CFLAGS += -Wstrict-prototypes |
| DEVELOPER_CFLAGS += -Wunused |
| DEVELOPER_CFLAGS += -Wvla |
| DEVELOPER_CFLAGS += -fno-common |
| |
| ifneq ($(filter clang4,$(COMPILER_FEATURES)),) |
| DEVELOPER_CFLAGS += -Wtautological-constant-out-of-range-compare |
| endif |
| |
| ifneq ($(or $(filter gcc6,$(COMPILER_FEATURES)),$(filter clang4,$(COMPILER_FEATURES))),) |
| DEVELOPER_CFLAGS += -Wextra |
| # if a function is public, there should be a prototype and the right |
| # header file should be included. If not, it should be static. |
| DEVELOPER_CFLAGS += -Wmissing-prototypes |
| ifeq ($(filter extra-all,$(DEVOPTS)),) |
| # These are disabled because we have these all over the place. |
| DEVELOPER_CFLAGS += -Wno-empty-body |
| DEVELOPER_CFLAGS += -Wno-missing-field-initializers |
| DEVELOPER_CFLAGS += -Wno-sign-compare |
| DEVELOPER_CFLAGS += -Wno-unused-parameter |
| endif |
| endif |
| |
| # uninitialized warnings on gcc 4.9.2 in xdiff/xdiffi.c and config.c |
| # not worth fixing since newer compilers correctly stop complaining |
| ifneq ($(filter gcc4,$(COMPILER_FEATURES)),) |
| ifeq ($(filter gcc5,$(COMPILER_FEATURES)),) |
| DEVELOPER_CFLAGS += -Wno-uninitialized |
| endif |
| endif |
| |
| GIT_TEST_PERL_FATAL_WARNINGS = YesPlease |
