Mercurial > hg > graal-compiler
view make/linux/makefiles/gcc.make @ 1186:2718ec34c699
Merge
author | coleenp |
---|---|
date | Fri, 22 Jan 2010 15:06:53 -0800 |
parents | 354d3184f6b2 |
children | c18cbe5936b8 |
line wrap: on
line source
# # Copyright 1999-2009 Sun Microsystems, Inc. All Rights Reserved. # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. # # This code is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License version 2 only, as # published by the Free Software Foundation. # # This code is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License # version 2 for more details (a copy is included in the LICENSE file that # accompanied this code). # # You should have received a copy of the GNU General Public License version # 2 along with this work; if not, write to the Free Software Foundation, # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. # # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, # CA 95054 USA or visit www.sun.com if you need additional information or # have any questions. # # #------------------------------------------------------------------------ # CC, CPP & AS CPP = g++ CC = gcc AS = $(CC) -c # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only # prints the numbers (e.g. "2.95", "3.2.1") CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1) CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2) # check for precompiled headers support ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0" USE_PRECOMPILED_HEADER=1 PRECOMPILED_HEADER_DIR=. PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/incls/_precompiled.incl.gch endif #------------------------------------------------------------------------ # Compiler flags # position-independent code PICFLAG = -fPIC VM_PICFLAG/LIBJVM = $(PICFLAG) VM_PICFLAG/AOUT = VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO)) ifeq ($(ZERO_BUILD), true) CFLAGS += $(LIBFFI_CFLAGS) endif CFLAGS += $(VM_PICFLAG) CFLAGS += -fno-rtti CFLAGS += -fno-exceptions CFLAGS += -D_REENTRANT CFLAGS += -fcheck-new ARCHFLAG = $(ARCHFLAG/$(BUILDARCH)) ARCHFLAG/i486 = -m32 -march=i586 ARCHFLAG/amd64 = -m64 ARCHFLAG/ia64 = ARCHFLAG/sparc = -m32 -mcpu=v9 ARCHFLAG/sparcv9 = -m64 -mcpu=v9 ARCHFLAG/zero = $(ZERO_ARCHFLAG) CFLAGS += $(ARCHFLAG) AOUT_FLAGS += $(ARCHFLAG) LFLAGS += $(ARCHFLAG) ASFLAGS += $(ARCHFLAG) # Use C++ Interpreter ifdef CC_INTERP CFLAGS += -DCC_INTERP endif # Keep temporary files (.ii, .s) ifdef NEED_ASM CFLAGS += -save-temps else CFLAGS += -pipe endif # Compiler warnings are treated as errors WARNINGS_ARE_ERRORS = -Werror # Except for a few acceptable ones # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit # conversions which might affect the values. To avoid that, we need to turn # it off explicitly. ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" ACCEPTABLE_WARNINGS = -Wpointer-arith -Wsign-compare else ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare endif CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS) # Special cases CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) # The flags to use for an Optimized g++ build OPT_CFLAGS += -O3 # Hotspot uses very unstrict aliasing turn this optimization off OPT_CFLAGS += -fno-strict-aliasing # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp # if we use expensive-optimizations ifeq ($(BUILDARCH), ia64) OPT_CFLAGS += -fno-expensive-optimizations endif OPT_CFLAGS/NOOPT=-O0 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation. ifneq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) = 3 \) \))" "0" OPT_CFLAGS/mulnode.o += -O0 endif #------------------------------------------------------------------------ # Linker flags # statically link libstdc++.so, work with gcc but ignored by g++ STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x. ifneq ("${CC_VER_MAJOR}", "2") STATIC_LIBGCC += -static-libgcc endif ifeq ($(BUILDARCH), ia64) LFLAGS += -Wl,-relax endif # Enable linker optimization LFLAGS += -Xlinker -O1 # If this is a --hash-style=gnu system, use --hash-style=both # The gnu .hash section won't work on some Linux systems like SuSE 10. _HAS_HASH_STYLE_GNU:=$(shell $(CC) -dumpspecs | grep -- '--hash-style=gnu') ifneq ($(_HAS_HASH_STYLE_GNU),) LDFLAGS_HASH_STYLE = -Wl,--hash-style=both endif LFLAGS += $(LDFLAGS_HASH_STYLE) # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file. MAPFLAG = -Xlinker --version-script=FILENAME # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj SONAMEFLAG = -Xlinker -soname=SONAME # Build shared library SHARED_FLAG = -shared # Keep symbols even they are not used AOUT_FLAGS += -export-dynamic #------------------------------------------------------------------------ # Debug flags # Use the stabs format for debugging information (this is the default # on gcc-2.91). It's good enough, has all the information about line # numbers and local variables, and libjvm_g.so is only about 16M. # Change this back to "-g" if you want the most expressive format. # (warning: that could easily inflate libjvm_g.so to 150M!) # Note: The Itanium gcc compiler crashes when using -gstabs. DEBUG_CFLAGS/ia64 = -g DEBUG_CFLAGS/amd64 = -g DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) DEBUG_CFLAGS += -gstabs endif # DEBUG_BINARIES overrides everything, use full -g debug information ifeq ($(DEBUG_BINARIES), true) DEBUG_CFLAGS = -g CFLAGS += $(DEBUG_CFLAGS) endif