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