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make/linux/makefiles/gcc.make

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rev 5782 : 8179887: Build failure with glibc >= 2.24: error: 'int readdir_r(DIR*, dirent*, dirent**)' is deprecated
Summary: Disable deprecated declarations so the build doesn't fail with -Werror
Reviewed-by: omajid


 132 
 133 # Keep temporary files (.ii, .s)
 134 ifdef NEED_ASM
 135   CFLAGS += -save-temps
 136 else
 137   CFLAGS += -pipe
 138 endif
 139 
 140 # Compiler warnings are treated as errors
 141 WARNINGS_ARE_ERRORS = -Werror
 142 
 143 # Except for a few acceptable ones
 144 # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit
 145 # conversions which might affect the values. To avoid that, we need to turn
 146 # it off explicitly. 
 147 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"
 148 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare
 149 else
 150 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare
 151 endif

 152 
 153 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS)
 154 # Special cases
 155 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) 
 156 
 157 # The flags to use for an Optimized g++ build
 158 OPT_CFLAGS += -O3
 159 
 160 # Hotspot uses very unstrict aliasing turn this optimization off
 161 OPT_CFLAGS += -fno-strict-aliasing
 162 
 163 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp 
 164 # if we use expensive-optimizations
 165 ifeq ($(BUILDARCH), ia64)
 166 OPT_CFLAGS += -fno-expensive-optimizations
 167 endif
 168 
 169 OPT_CFLAGS/NOOPT=-O0
 170 
 171 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation. 




 132 
 133 # Keep temporary files (.ii, .s)
 134 ifdef NEED_ASM
 135   CFLAGS += -save-temps
 136 else
 137   CFLAGS += -pipe
 138 endif
 139 
 140 # Compiler warnings are treated as errors
 141 WARNINGS_ARE_ERRORS = -Werror
 142 
 143 # Except for a few acceptable ones
 144 # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit
 145 # conversions which might affect the values. To avoid that, we need to turn
 146 # it off explicitly. 
 147 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"
 148 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare
 149 else
 150 ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare
 151 endif
 152 ACCEPTABLE_WARNINGS += -Wno-deprecated-declarations
 153 
 154 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS)
 155 # Special cases
 156 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) 
 157 
 158 # The flags to use for an Optimized g++ build
 159 OPT_CFLAGS += -O3
 160 
 161 # Hotspot uses very unstrict aliasing turn this optimization off
 162 OPT_CFLAGS += -fno-strict-aliasing
 163 
 164 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp 
 165 # if we use expensive-optimizations
 166 ifeq ($(BUILDARCH), ia64)
 167 OPT_CFLAGS += -fno-expensive-optimizations
 168 endif
 169 
 170 OPT_CFLAGS/NOOPT=-O0
 171 
 172 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.
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