32 Compiler = gcc
33
34 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
35 # prints the numbers (e.g. "2.95", "3.2.1")
36 CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)
37 CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)
38
39 # Check for the versions of C++ and C compilers ($CPP and $CC) used.
40
41 # Get the last thing on the line that looks like x.x+ (x is a digit).
42 COMPILER_REV := \
43 $(shell $(CPP) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)
44 C_COMPILER_REV := \
45 $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)
46
47
48 # check for precompiled headers support
49 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0"
50 # Allow the user to turn off precompiled headers from the command line.
51 ifneq ($(USE_PRECOMPILED_HEADER),0)
52 USE_PRECOMPILED_HEADER=1
53 PRECOMPILED_HEADER_DIR=.
54 PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp
55 PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch
56 endif
57 endif
58
59
60 #------------------------------------------------------------------------
61 # Compiler flags
62
63 # position-independent code
64 PICFLAG = -fPIC
65
66 VM_PICFLAG/LIBJVM = $(PICFLAG)
67 VM_PICFLAG/AOUT =
68 VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO))
69
70 CFLAGS += $(VM_PICFLAG)
71 CFLAGS += -fno-rtti
72 CFLAGS += -fno-exceptions
125
126 # Hotspot uses very unstrict aliasing turn this optimization off
127 OPT_CFLAGS += -fno-strict-aliasing
128
129 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
130 # if we use expensive-optimizations
131 # Note: all ia64 setting reflect the ones for linux
132 # No actial testing was performed: there is no Solaris on ia64 presently
133 ifeq ($(BUILDARCH), ia64)
134 OPT_CFLAGS/bytecodeInterpreter.o += -fno-expensive-optimizations
135 endif
136
137 OPT_CFLAGS/NOOPT=-O0
138
139 # Flags for generating make dependency flags.
140 ifneq ("${CC_VER_MAJOR}", "2")
141 DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
142 endif
143
144 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
145 ifneq ($(USE_PRECOMPILED_HEADER),1)
146 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
147 endif
148
149 #------------------------------------------------------------------------
150 # Linker flags
151
152 # statically link libstdc++.so, work with gcc but ignored by g++
153 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
154
155 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
156 ifneq ("${CC_VER_MAJOR}", "2")
157 STATIC_LIBGCC += -static-libgcc
158 endif
159
160 ifeq ($(BUILDARCH), ia64)
161 # Note: all ia64 setting reflect the ones for linux
162 # No actial testing was performed: there is no Solaris on ia64 presently
163 LFLAGS += -Wl,-relax
164 endif
165
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32 Compiler = gcc
33
34 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
35 # prints the numbers (e.g. "2.95", "3.2.1")
36 CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)
37 CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)
38
39 # Check for the versions of C++ and C compilers ($CPP and $CC) used.
40
41 # Get the last thing on the line that looks like x.x+ (x is a digit).
42 COMPILER_REV := \
43 $(shell $(CPP) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)
44 C_COMPILER_REV := \
45 $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)
46
47
48 # check for precompiled headers support
49 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0"
50 # Allow the user to turn off precompiled headers from the command line.
51 ifneq ($(USE_PRECOMPILED_HEADER),0)
52 PRECOMPILED_HEADER_DIR=.
53 PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp
54 PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch
55 endif
56 endif
57
58
59 #------------------------------------------------------------------------
60 # Compiler flags
61
62 # position-independent code
63 PICFLAG = -fPIC
64
65 VM_PICFLAG/LIBJVM = $(PICFLAG)
66 VM_PICFLAG/AOUT =
67 VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO))
68
69 CFLAGS += $(VM_PICFLAG)
70 CFLAGS += -fno-rtti
71 CFLAGS += -fno-exceptions
124
125 # Hotspot uses very unstrict aliasing turn this optimization off
126 OPT_CFLAGS += -fno-strict-aliasing
127
128 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
129 # if we use expensive-optimizations
130 # Note: all ia64 setting reflect the ones for linux
131 # No actial testing was performed: there is no Solaris on ia64 presently
132 ifeq ($(BUILDARCH), ia64)
133 OPT_CFLAGS/bytecodeInterpreter.o += -fno-expensive-optimizations
134 endif
135
136 OPT_CFLAGS/NOOPT=-O0
137
138 # Flags for generating make dependency flags.
139 ifneq ("${CC_VER_MAJOR}", "2")
140 DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
141 endif
142
143 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
144 ifeq ($(USE_PRECOMPILED_HEADER),0)
145 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
146 endif
147
148 #------------------------------------------------------------------------
149 # Linker flags
150
151 # statically link libstdc++.so, work with gcc but ignored by g++
152 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
153
154 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
155 ifneq ("${CC_VER_MAJOR}", "2")
156 STATIC_LIBGCC += -static-libgcc
157 endif
158
159 ifeq ($(BUILDARCH), ia64)
160 # Note: all ia64 setting reflect the ones for linux
161 # No actial testing was performed: there is no Solaris on ia64 presently
162 LFLAGS += -Wl,-relax
163 endif
164
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