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82 CFLAGS += -pipe |
82 CFLAGS += -pipe |
83 endif |
83 endif |
84 |
84 |
85 # Compiler warnings are treated as errors |
85 # Compiler warnings are treated as errors |
86 WARNINGS_ARE_ERRORS = -Werror |
86 WARNINGS_ARE_ERRORS = -Werror |
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87 |
87 # Except for a few acceptable ones |
88 # Except for a few acceptable ones |
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89 # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit |
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90 # conversions which might affect the values. To avoid that, we need to turn |
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91 # it off explicitly. |
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92 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" |
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93 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare |
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94 else |
88 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare |
95 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare |
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96 endif |
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97 |
89 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS) |
98 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS) |
90 # Special cases |
99 # Special cases |
91 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) |
100 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) |
92 |
101 |
93 # The flags to use for an Optimized g++ build |
102 # The flags to use for an Optimized g++ build |