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1 : edgomez 191 #############################################################################
2 :     #
3 :     # GNU/Linux Makefile
4 :     #
5 :     # Edit this file to enable/disable optimizations
6 :     #
7 :     # $Id: Makefile.linux,v 1.2 2002-06-09 12:18:23 edgomez Exp $
8 :     #
9 :     #############################################################################
10 : Isibaar 3
11 :     include Makefile.inc
12 :    
13 : edgomez 191 # You can set/add options to CC and CFLAGS without editing this Makefile
14 :     # You have just to export an environment CC/CFLAGS variable before running
15 :     # make.
16 :     #
17 :     # Examples :
18 :     # $ export CC='gcc-3.1'
19 :     # $ export CFLAGS='-maccumulate-outgoing-args'
20 :     # $ make
21 :     # ...
22 : Isibaar 3
23 : edgomez 191 # You can choose a specific compiler here removing the sharp symbol
24 :     # - Default is 'cc' which is a symlink to your default distro gcc
25 :    
26 :    
27 :     # CC = gcc
28 :     # CC = gcc-3.1
29 :     # CC = icc
30 :    
31 :     # Assembler
32 :     AS = nasm
33 :     AFLAGS = -f elf
34 :    
35 :     # Constants which should not be modified
36 :     CFLAGS += -DARCH_X86
37 :     CFLAGS += -DLINUX
38 :    
39 :     # Enable some experimental/debugging code
40 :     # (Use only if you know what you're doing !)
41 :     # CFLAGS += -D_DEBUG
42 :     # CFLAGS += -DBFRAMES
43 :    
44 : Isibaar 3 LIBDIR = /usr/local/lib
45 :    
46 :     ifeq ($(CC),icc)
47 :    
48 : edgomez 191 # -tpp7 might be faster (P4 optmization)...
49 :     CFLAGS += -O3 -ip -tpp6 -xM
50 :     CFLAGS += -I/opt/intel/compiler50/ia32/include
51 :     CFLAGS += -I/opt/intel/compiler50/ia32/substitute_headers/
52 :    
53 : Isibaar 3 else
54 :    
55 : edgomez 191 # Warning level options
56 :     # Shows all warnings
57 :     CFLAGS += -Wall
58 :     # To detect non ANSI C code (xvid is not ANSI C (yet?))
59 :     # CFLAGS += -pedantic
60 : Isibaar 3
61 : edgomez 191 # General Optimization options
62 :     # Optimize code for size (implies -O2)
63 :     CFLAGS += -Os
64 :     # Unroll loops code, this might speed up loops
65 :     CFLAGS += -funroll-loops
66 :     # Generates FPU math code
67 :     CFLAGS += -ffast-math
68 :     # ??? (man gcc)
69 :     CFLAGS += -fstrict-aliasing
70 :     # Omit the x86 push ebp; mov ebp, esp function
71 :     # header and its corresponding function tailer
72 :     CFLAGS += -fomit-frame-pointer
73 :     # Generates Position Independant Code depending on your nasm version,
74 :     # this could generate shared libraries that segfault because of a nasm
75 :     # bug
76 :     # CFLAGS += -fPIC
77 :    
78 :    
79 :     # Architecture options : Valid for every gcc version
80 :     # Uncomment the one which you want to compile for
81 :    
82 :     # CFLAGS += -march=i386 -mcpu=i386
83 :     # CFLAGS += -march=i486 -mcpu=i486
84 :     # CFLAGS += -march=i586 -mcpu=i586
85 :     # CFLAGS += -march=i686 -mcpu=i686
86 :    
87 :     # Architecture options : Valid for every gcc >= 3.1
88 :     # Uncomment the one which you want to compile for
89 :    
90 :     # CFLAGS += -march=pentium-mmx -mcpu=pentium-mmx
91 :     # CFLAGS += -march=pentium3 -mcpu=pentium3
92 :     # CFLAGS += -march=pentium4 -mcpu=pentium4
93 :     # CFLAGS += -march=athlon -mcpu=athlon
94 :     # CFLAGS += -march=k6 -mcpu=k6
95 :     # CFLAGS += -march=k6-2 -mcpu=k6-2
96 :     # CFLAGS += -march=k6-3 -mcpu=k6-3
97 :     # CFLAGS += -march=athlon-tbird -mcpu=athlon-tbird
98 :     # CFLAGS += -march=athlon-xp -mcpu=athlon-xp
99 :     # CFLAGS += -march=athlon-mp -mcpu=athlon-mp
100 :    
101 :     # Architecture specific optimization for every gcc
102 :     # Aligns the stack to 2^4=16bytes boundaries in each function
103 :     # Local variables should be aligned and make the code faster
104 :     # some gcc versions (3.0.4) have problems with this option
105 :     # we can't really trust gcc output :-( You're warned.
106 :     CFLAGS += -mpreferred-stack-boundary=4
107 :    
108 :     # Architecture specific optimization available in gcc >= 3.1
109 :     # generates floating point sse code (for >= pentium 3)
110 :     # CFLAGS += -mfpmath=sse
111 :     # generates both floating point sse and 387 code, this double the amount
112 :     # of fp registers and could make the code faster
113 :     # (Still experimental in gcc 3.1.0)
114 :     # CFLAGS += -mfpmath=sse,387
115 :    
116 : Isibaar 3 endif
117 :    
118 : edgomez 191 #############################################################################
119 :     #
120 :     # Makefile rules
121 :     #
122 :     #############################################################################
123 : Isibaar 3
124 :     %.o: %.asm
125 :     $(AS) $(AFLAGS) $< -o $@
126 :    
127 :     RM = rm -rf
128 :    
129 :    
130 :     all: $(LIB) $(LIBSO)
131 :    
132 :    
133 :     $(LIB): $(SRC:.c=.o) $(SRC_INTEL:.asm=.o)
134 :     ar rcs $@ $^
135 :    
136 :    
137 :     $(LIBSO): $(SRC:.c=.o) $(SRC_INTEL:.asm=.o)
138 :     $(CC) $(CFLAGS) $^ -shared -lc -lm -o $@
139 :    
140 :    
141 :     clean:
142 :     $(RM) `find $(SRCDIR) -name "*.o"`
143 :     $(RM) $(LIB)
144 :     $(RM) $(LIBSO)
145 :    
146 :     install: libxvidcore.so
147 :     cp libxvidcore.so $(LIBDIR) # you have to bee root for this
148 :     /sbin/ldconfig
149 :    
150 :     install-test: libxvidcore.so # if you don't want to overwrite previous compile
151 :     cp libxvidcore.so $(LIBDIR)/libtestcore.so
152 :     /sbin/ldconfig

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