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add LLVM/clang-3.5+ support

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This commit is contained in:
chyyuu 2014-07-28 00:31:56 +08:00
parent 529b9596e5
commit 52d573e68a
9 changed files with 148 additions and 68 deletions
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7
README
View File

@ -86,6 +86,13 @@ OR
6 handin your code 6 handin your code
$make handin $make handin
OPTION
==============
Now, ucore suuport LLVM/Clang-3.5 +
in step4:
$ USELLVM=1 make
then you will use clang to compile ucore
GRADE/RANK GRADE/RANK
========== ==========
Superman: Finish all OS labs in one month by yourself Superman: Finish all OS labs in one month by yourself

20
labcodes/lab1/Makefile
View File

@ -4,7 +4,8 @@ SPACE := $(EMPTY) $(EMPTY)
SLASH := / SLASH := /
V := @ V := @
#need llvm/cang-3.5+
#USELLVM := 1
# try to infer the correct GCCPREFX # try to infer the correct GCCPREFX
ifndef GCCPREFIX ifndef GCCPREFIX
GCCPREFIX := $(shell if i386-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \ GCCPREFIX := $(shell if i386-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \
@ -23,10 +24,12 @@ endif
# try to infer the correct QEMU # try to infer the correct QEMU
ifndef QEMU ifndef QEMU
QEMU := $(shell if which qemu > /dev/null; \ QEMU := $(shell if which qemu-system-i386 > /dev/null; \
then echo 'qemu'; exit; \ then echo 'qemu-system-i386'; exit; \
elif which i386-elf-qemu > /dev/null; \ elif which i386-elf-qemu > /dev/null; \
then echo 'i386-elf-qemu'; exit; \ then echo 'i386-elf-qemu'; exit; \
elif which qemu > /dev/null; \
then echo 'qemu'; exit; \
else \ else \
echo "***" 1>&2; \ echo "***" 1>&2; \
echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \ echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \
@ -41,13 +44,20 @@ endif
.DELETE_ON_ERROR: .DELETE_ON_ERROR:
# define compiler and flags # define compiler and flags
ifndef USELLVM
HOSTCC := gcc HOSTCC := gcc
HOSTCFLAGS := -g -Wall -O2 HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)gcc CC := $(GCCPREFIX)gcc
CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS) CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector) CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
else
HOSTCC := clang
HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)clang
CFLAGS := -fno-builtin -Wall -g -m32 -mno-sse -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
endif
CTYPE := c S CTYPE := c S
LD := $(GCCPREFIX)ld LD := $(GCCPREFIX)ld

25
labcodes/lab2/Makefile
View File

@ -4,7 +4,8 @@ SPACE := $(EMPTY) $(EMPTY)
SLASH := / SLASH := /
V := @ V := @
#need llvm/cang-3.5+
#USELLVM := 1
# try to infer the correct GCCPREFX # try to infer the correct GCCPREFX
ifndef GCCPREFIX ifndef GCCPREFIX
GCCPREFIX := $(shell if i386-ucore-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \ GCCPREFIX := $(shell if i386-ucore-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \
@ -23,10 +24,12 @@ endif
# try to infer the correct QEMU # try to infer the correct QEMU
ifndef QEMU ifndef QEMU
QEMU := $(shell if which qemu > /dev/null; \ QEMU := $(shell if which qemu-system-i386 > /dev/null; \
then echo 'qemu-system-i386'; exit; \
elif which i386-elf-qemu > /dev/null; \
then echo 'i386-elf-qemu'; exit; \
elif which qemu > /dev/null; \
then echo 'qemu'; exit; \ then echo 'qemu'; exit; \
elif which i386-ucore-elf-qemu > /dev/null; \
then echo 'i386-ucore-elf-qemu'; exit; \
else \ else \
echo "***" 1>&2; \ echo "***" 1>&2; \
echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \ echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \
@ -41,15 +44,21 @@ endif
.DELETE_ON_ERROR: .DELETE_ON_ERROR:
# define compiler and flags # define compiler and flags
ifndef USELLVM
HOSTCC := gcc HOSTCC := gcc
HOSTCFLAGS := -g -Wall -O2 HOSTCFLAGS := -g -Wall -O2
GDB := $(GCCPREFIX)gdb
CC := $(GCCPREFIX)gcc CC := $(GCCPREFIX)gcc
CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS) CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector) CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
else
HOSTCC := clang
HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)clang
CFLAGS := -fno-builtin -Wall -g -m32 -mno-sse -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
endif
GDB := $(GCCPREFIX)gdb
CTYPE := c S CTYPE := c S
LD := $(GCCPREFIX)ld LD := $(GCCPREFIX)ld

27
labcodes/lab3/Makefile
View File

@ -4,7 +4,8 @@ SPACE := $(EMPTY) $(EMPTY)
SLASH := / SLASH := /
V := @ V := @
#need llvm/cang-3.5+
#USELLVM := 1
# try to infer the correct GCCPREFX # try to infer the correct GCCPREFX
ifndef GCCPREFIX ifndef GCCPREFIX
GCCPREFIX := $(shell if i386-ucore-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \ GCCPREFIX := $(shell if i386-ucore-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \
@ -23,10 +24,12 @@ endif
# try to infer the correct QEMU # try to infer the correct QEMU
ifndef QEMU ifndef QEMU
QEMU := $(shell if which qemu > /dev/null; \ QEMU := $(shell if which qemu-system-i386 > /dev/null; \
then echo 'qemu-system-i386'; exit; \
elif which i386-elf-qemu > /dev/null; \
then echo 'i386-elf-qemu'; exit; \
elif which qemu > /dev/null; \
then echo 'qemu'; exit; \ then echo 'qemu'; exit; \
elif which i386-ucore-elf-qemu > /dev/null; \
then echo 'i386-ucore-elf-qemu'; exit; \
else \ else \
echo "***" 1>&2; \ echo "***" 1>&2; \
echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \ echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \
@ -41,15 +44,21 @@ endif
.DELETE_ON_ERROR: .DELETE_ON_ERROR:
# define compiler and flags # define compiler and flags
ifndef USELLVM
HOSTCC := gcc HOSTCC := gcc
HOSTCFLAGS := -g -Wall -O2 HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)gcc
GDB := $(GCCPREFIX)gdb
CC ?= $(GCCPREFIX)gcc
CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS) CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector) CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
else
HOSTCC := clang
HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)clang
CFLAGS := -fno-builtin -Wall -g -m32 -mno-sse -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
endif
GDB := $(GCCPREFIX)gdb
CTYPE := c S CTYPE := c S
LD := $(GCCPREFIX)ld LD := $(GCCPREFIX)ld

27
labcodes/lab4/Makefile
View File

@ -4,7 +4,8 @@ SPACE := $(EMPTY) $(EMPTY)
SLASH := / SLASH := /
V := @ V := @
#need llvm/cang-3.5+
#USELLVM := 1
# try to infer the correct GCCPREFX # try to infer the correct GCCPREFX
ifndef GCCPREFIX ifndef GCCPREFIX
GCCPREFIX := $(shell if i386-ucore-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \ GCCPREFIX := $(shell if i386-ucore-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \
@ -23,10 +24,12 @@ endif
# try to infer the correct QEMU # try to infer the correct QEMU
ifndef QEMU ifndef QEMU
QEMU := $(shell if which qemu > /dev/null; \ QEMU := $(shell if which qemu-system-i386 > /dev/null; \
then echo 'qemu-system-i386'; exit; \
elif which i386-elf-qemu > /dev/null; \
then echo 'i386-elf-qemu'; exit; \
elif which qemu > /dev/null; \
then echo 'qemu'; exit; \ then echo 'qemu'; exit; \
elif which i386-ucore-elf-qemu > /dev/null; \
then echo 'i386-ucore-elf-qemu'; exit; \
else \ else \
echo "***" 1>&2; \ echo "***" 1>&2; \
echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \ echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \
@ -41,15 +44,21 @@ endif
.DELETE_ON_ERROR: .DELETE_ON_ERROR:
# define compiler and flags # define compiler and flags
ifndef USELLVM
HOSTCC := gcc HOSTCC := gcc
HOSTCFLAGS := -g -Wall -O2 HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)gcc
GDB := $(GCCPREFIX)gdb
CC ?= $(GCCPREFIX)gcc
CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS) CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector) CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
else
HOSTCC := clang
HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)clang
CFLAGS := -fno-builtin -Wall -g -m32 -mno-sse -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
endif
GDB := $(GCCPREFIX)gdb
CTYPE := c S CTYPE := c S
LD := $(GCCPREFIX)ld LD := $(GCCPREFIX)ld

27
labcodes/lab5/Makefile
View File

@ -4,7 +4,8 @@ SPACE := $(EMPTY) $(EMPTY)
SLASH := / SLASH := /
V := @ V := @
#need llvm/cang-3.5+
#USELLVM := 1
# try to infer the correct GCCPREFX # try to infer the correct GCCPREFX
ifndef GCCPREFIX ifndef GCCPREFIX
GCCPREFIX := $(shell if i386-ucore-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \ GCCPREFIX := $(shell if i386-ucore-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \
@ -23,10 +24,12 @@ endif
# try to infer the correct QEMU # try to infer the correct QEMU
ifndef QEMU ifndef QEMU
QEMU := $(shell if which qemu > /dev/null; \ QEMU := $(shell if which qemu-system-i386 > /dev/null; \
then echo 'qemu-system-i386'; exit; \
elif which i386-elf-qemu > /dev/null; \
then echo 'i386-elf-qemu'; exit; \
elif which qemu > /dev/null; \
then echo 'qemu'; exit; \ then echo 'qemu'; exit; \
elif which i386-ucore-elf-qemu > /dev/null; \
then echo 'i386-ucore-elf-qemu'; exit; \
else \ else \
echo "***" 1>&2; \ echo "***" 1>&2; \
echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \ echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \
@ -41,15 +44,21 @@ endif
.DELETE_ON_ERROR: .DELETE_ON_ERROR:
# define compiler and flags # define compiler and flags
ifndef USELLVM
HOSTCC := gcc HOSTCC := gcc
HOSTCFLAGS := -g -Wall -O2 HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)gcc
GDB := $(GCCPREFIX)gdb
CC ?= $(GCCPREFIX)gcc
CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS) CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector) CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
else
HOSTCC := clang
HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)clang
CFLAGS := -fno-builtin -Wall -g -m32 -mno-sse -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
endif
GDB := $(GCCPREFIX)gdb
CTYPE := c S CTYPE := c S
LD := $(GCCPREFIX)ld LD := $(GCCPREFIX)ld

27
labcodes/lab6/Makefile
View File

@ -4,7 +4,8 @@ SPACE := $(EMPTY) $(EMPTY)
SLASH := / SLASH := /
V := @ V := @
#need llvm/cang-3.5+
#USELLVM := 1
# try to infer the correct GCCPREFX # try to infer the correct GCCPREFX
ifndef GCCPREFIX ifndef GCCPREFIX
GCCPREFIX := $(shell if i386-ucore-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \ GCCPREFIX := $(shell if i386-ucore-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \
@ -23,10 +24,12 @@ endif
# try to infer the correct QEMU # try to infer the correct QEMU
ifndef QEMU ifndef QEMU
QEMU := $(shell if which qemu > /dev/null; \ QEMU := $(shell if which qemu-system-i386 > /dev/null; \
then echo 'qemu-system-i386'; exit; \
elif which i386-elf-qemu > /dev/null; \
then echo 'i386-elf-qemu'; exit; \
elif which qemu > /dev/null; \
then echo 'qemu'; exit; \ then echo 'qemu'; exit; \
elif which i386-ucore-elf-qemu > /dev/null; \
then echo 'i386-ucore-elf-qemu'; exit; \
else \ else \
echo "***" 1>&2; \ echo "***" 1>&2; \
echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \ echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \
@ -41,15 +44,21 @@ endif
.DELETE_ON_ERROR: .DELETE_ON_ERROR:
# define compiler and flags # define compiler and flags
ifndef USELLVM
HOSTCC := gcc HOSTCC := gcc
HOSTCFLAGS := -g -Wall -O2 HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)gcc
GDB := $(GCCPREFIX)gdb
CC ?= $(GCCPREFIX)gcc
CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS) CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector) CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
else
HOSTCC := clang
HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)clang
CFLAGS := -fno-builtin -Wall -g -m32 -mno-sse -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
endif
GDB := $(GCCPREFIX)gdb
CTYPE := c S CTYPE := c S
LD := $(GCCPREFIX)ld LD := $(GCCPREFIX)ld

27
labcodes/lab7/Makefile
View File

@ -4,7 +4,8 @@ SPACE := $(EMPTY) $(EMPTY)
SLASH := / SLASH := /
V := @ V := @
#need llvm/cang-3.5+
#USELLVM := 1
# try to infer the correct GCCPREFX # try to infer the correct GCCPREFX
ifndef GCCPREFIX ifndef GCCPREFIX
GCCPREFIX := $(shell if i386-ucore-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \ GCCPREFIX := $(shell if i386-ucore-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \
@ -23,10 +24,12 @@ endif
# try to infer the correct QEMU # try to infer the correct QEMU
ifndef QEMU ifndef QEMU
QEMU := $(shell if which qemu > /dev/null; \ QEMU := $(shell if which qemu-system-i386 > /dev/null; \
then echo 'qemu-system-i386'; exit; \
elif which i386-elf-qemu > /dev/null; \
then echo 'i386-elf-qemu'; exit; \
elif which qemu > /dev/null; \
then echo 'qemu'; exit; \ then echo 'qemu'; exit; \
elif which i386-ucore-elf-qemu > /dev/null; \
then echo 'i386-ucore-elf-qemu'; exit; \
else \ else \
echo "***" 1>&2; \ echo "***" 1>&2; \
echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \ echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \
@ -41,15 +44,21 @@ endif
.DELETE_ON_ERROR: .DELETE_ON_ERROR:
# define compiler and flags # define compiler and flags
ifndef USELLVM
HOSTCC := gcc HOSTCC := gcc
HOSTCFLAGS := -g -Wall -O2 HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)gcc
GDB := $(GCCPREFIX)gdb
CC ?= $(GCCPREFIX)gcc
CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS) CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector) CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
else
HOSTCC := clang
HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)clang
CFLAGS := -fno-builtin -Wall -g -m32 -mno-sse -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
endif
GDB := $(GCCPREFIX)gdb
CTYPE := c S CTYPE := c S
LD := $(GCCPREFIX)ld LD := $(GCCPREFIX)ld

29
labcodes/lab8/Makefile
View File

@ -4,7 +4,8 @@ SPACE := $(EMPTY) $(EMPTY)
SLASH := / SLASH := /
V := @ V := @
#need llvm/cang-3.5+
#USELLVM := 1
# try to infer the correct GCCPREFX # try to infer the correct GCCPREFX
ifndef GCCPREFIX ifndef GCCPREFIX
GCCPREFIX := $(shell if i386-ucore-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \ GCCPREFIX := $(shell if i386-ucore-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \
@ -23,10 +24,12 @@ endif
# try to infer the correct QEMU # try to infer the correct QEMU
ifndef QEMU ifndef QEMU
QEMU := $(shell if which qemu > /dev/null; \ QEMU := $(shell if which qemu-system-i386 > /dev/null; \
then echo 'qemu-system-i386'; exit; \
elif which i386-elf-qemu > /dev/null; \
then echo 'i386-elf-qemu'; exit; \
elif which qemu > /dev/null; \
then echo 'qemu'; exit; \ then echo 'qemu'; exit; \
elif which i386-ucore-elf-qemu > /dev/null; \
then echo 'i386-ucore-elf-qemu'; exit; \
else \ else \
echo "***" 1>&2; \ echo "***" 1>&2; \
echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \ echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \
@ -41,15 +44,21 @@ endif
.DELETE_ON_ERROR: .DELETE_ON_ERROR:
# define compiler and flags # define compiler and flags
ifndef USELLVM
HOSTCC := gcc HOSTCC := gcc
HOSTCFLAGS := -g -Wall -O2 -D_FILE_OFFSET_BITS=64 HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)gcc
GDB := $(GCCPREFIX)gdb
CC ?= $(GCCPREFIX)gcc
CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS) CFLAGS := -fno-builtin -Wall -ggdb -m32 -gstabs -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector) CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
else
HOSTCC := clang
HOSTCFLAGS := -g -Wall -O2
CC := $(GCCPREFIX)clang
CFLAGS := -fno-builtin -Wall -g -m32 -mno-sse -nostdinc $(DEFS)
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
endif
GDB := $(GCCPREFIX)gdb
CTYPE := c S CTYPE := c S
LD := $(GCCPREFIX)ld LD := $(GCCPREFIX)ld