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| 1 : | edgomez | 511 | ############################################################################# |
| 2 : | # | ||
| 3 : | # GNU/Linux x86 Makefile | ||
| 4 : | # | ||
| 5 : | # Edit this file to enable/disable optimizations | ||
| 6 : | # | ||
| 7 : | edgomez | 536 | # $Id: Makefile.linuxx86,v 1.2 2002-09-24 22:27:32 edgomez Exp $ |
| 8 : | edgomez | 511 | # |
| 9 : | ############################################################################# | ||
| 10 : | |||
| 11 : | include Makefile.inc | ||
| 12 : | |||
| 13 : | # 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 : | |||
| 23 : | # 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 : | # PSNR during encoding | ||
| 42 : | # CFLAGS += -D_DEBUG_PSNR | ||
| 43 : | |||
| 44 : | # Enable BFrame decoding (still beta) | ||
| 45 : | edgomez | 536 | # CFLAGS += -DBFRAMES_DEC |
| 46 : | edgomez | 511 | |
| 47 : | LIBDIR = /usr/local/lib | ||
| 48 : | |||
| 49 : | ifeq ($(CC),icc) | ||
| 50 : | |||
| 51 : | # -tpp7 might be faster (P4 optmization)... | ||
| 52 : | CFLAGS += -O3 -ip -tpp6 -xM | ||
| 53 : | CFLAGS += -I/opt/intel/compiler50/ia32/include | ||
| 54 : | CFLAGS += -I/opt/intel/compiler50/ia32/substitute_headers/ | ||
| 55 : | |||
| 56 : | else | ||
| 57 : | |||
| 58 : | # Warning level options | ||
| 59 : | # Shows all warnings | ||
| 60 : | CFLAGS += -Wall | ||
| 61 : | # To detect non ANSI C code (xvid is not ANSI C (yet?)) | ||
| 62 : | # CFLAGS += -pedantic | ||
| 63 : | |||
| 64 : | |||
| 65 : | # General Optimization options | ||
| 66 : | # Optimize code for size (implies -O2) | ||
| 67 : | CFLAGS += -Os | ||
| 68 : | # Unroll loops code, this might speed up loops | ||
| 69 : | CFLAGS += -funroll-loops | ||
| 70 : | # Generates FPU math code | ||
| 71 : | CFLAGS += -ffast-math | ||
| 72 : | # ??? (man gcc) | ||
| 73 : | CFLAGS += -fstrict-aliasing | ||
| 74 : | # Omit the x86 push ebp; mov ebp, esp function | ||
| 75 : | # header and its corresponding function tailer | ||
| 76 : | CFLAGS += -fomit-frame-pointer | ||
| 77 : | # Generates Position Independant Code depending on your nasm version, | ||
| 78 : | # this could generate shared libraries that segfault because of a nasm | ||
| 79 : | # bug | ||
| 80 : | CFLAGS += -fPIC | ||
| 81 : | |||
| 82 : | # Debugging and Profiling options | ||
| 83 : | # Writes debugging symbols in object files | ||
| 84 : | # CFLAGS += -g | ||
| 85 : | # Includes profiling code in generated code, don't forget to disable | ||
| 86 : | # -fomit-frame-pointer as these 2 options are exclusive. | ||
| 87 : | # CFLAGS += -pg | ||
| 88 : | # Precise profiling + test coverage (-pg must be activated) | ||
| 89 : | # Build the library twice and execute a program using the lib twice too | ||
| 90 : | # First pass : Will create sourcefile.da files to keep branch statistics | ||
| 91 : | # CFLAGS += -fprofile-arcs | ||
| 92 : | # Second pass : Will create .bb and .bbg files suitable for coverage and | ||
| 93 : | # branch probabilities during compilation | ||
| 94 : | # CFLAGS += -fprofile-arcs -fbranch-probabilities -ftest-coverage | ||
| 95 : | |||
| 96 : | |||
| 97 : | # Architecture options : Valid for every gcc version | ||
| 98 : | # Uncomment the one which you want to compile for | ||
| 99 : | |||
| 100 : | # CFLAGS += -march=i386 -mcpu=i386 | ||
| 101 : | # CFLAGS += -march=i486 -mcpu=i486 | ||
| 102 : | # CFLAGS += -march=i586 -mcpu=i586 | ||
| 103 : | # CFLAGS += -march=i686 -mcpu=i686 | ||
| 104 : | # CFLAGS += -march=pentium -mcpu=pentium | ||
| 105 : | # CFLAGS += -march=pentiumpro -mcpu=pentiumpro | ||
| 106 : | |||
| 107 : | # Architecture options : Valid for every gcc >= 3.1 | ||
| 108 : | # Uncomment the one which you want to compile for | ||
| 109 : | |||
| 110 : | # CFLAGS += -march=pentium-mmx -mcpu=pentium-mmx | ||
| 111 : | # CFLAGS += -march=pentium3 -mcpu=pentium3 | ||
| 112 : | # CFLAGS += -march=pentium4 -mcpu=pentium4 | ||
| 113 : | # CFLAGS += -march=athlon -mcpu=athlon | ||
| 114 : | # CFLAGS += -march=k6 -mcpu=k6 | ||
| 115 : | # CFLAGS += -march=k6-2 -mcpu=k6-2 | ||
| 116 : | # CFLAGS += -march=k6-3 -mcpu=k6-3 | ||
| 117 : | # CFLAGS += -march=athlon-tbird -mcpu=athlon-tbird | ||
| 118 : | # CFLAGS += -march=athlon-xp -mcpu=athlon-xp | ||
| 119 : | # CFLAGS += -march=athlon-mp -mcpu=athlon-mp | ||
| 120 : | |||
| 121 : | # x86 specific optimization for every gcc | ||
| 122 : | # Aligns the stack to 2^4=16bytes boundaries in each function | ||
| 123 : | # Local variables should be aligned and make the code faster | ||
| 124 : | # some gcc versions (3.0.4) have problems with this option | ||
| 125 : | # we can't really trust gcc output :-( You're warned. | ||
| 126 : | CFLAGS += -mpreferred-stack-boundary=4 | ||
| 127 : | |||
| 128 : | # Architecture specific optimization available in gcc >= 3.1 | ||
| 129 : | # generates floating point sse code (for >= pentium 3) | ||
| 130 : | # CFLAGS += -mfpmath=sse | ||
| 131 : | # generates both floating point sse and 387 code, this double the amount | ||
| 132 : | # of fp registers and could make the code faster | ||
| 133 : | # (Still experimental in gcc 3.1.0) | ||
| 134 : | # CFLAGS += -mfpmath=sse,387 | ||
| 135 : | |||
| 136 : | endif | ||
| 137 : | |||
| 138 : | ############################################################################# | ||
| 139 : | # | ||
| 140 : | # Makefile rules | ||
| 141 : | # | ||
| 142 : | ############################################################################# | ||
| 143 : | |||
| 144 : | %.o: %.asm | ||
| 145 : | $(AS) $(AFLAGS) $< -o $@ | ||
| 146 : | |||
| 147 : | RM = rm -rf | ||
| 148 : | |||
| 149 : | |||
| 150 : | all: $(LIB) $(LIBSO) | ||
| 151 : | |||
| 152 : | |||
| 153 : | $(LIB): $(SRC:.c=.o) $(SRC_INTEL:.asm=.o) | ||
| 154 : | ar rcs $@ $^ | ||
| 155 : | |||
| 156 : | |||
| 157 : | $(LIBSO): $(SRC:.c=.o) $(SRC_INTEL:.asm=.o) | ||
| 158 : | $(CC) $(CFLAGS) $^ -shared -lc -lm -o $@ | ||
| 159 : | |||
| 160 : | |||
| 161 : | clean: | ||
| 162 : | $(RM) `find $(SRCDIR) -name "*.o"` | ||
| 163 : | $(RM) $(LIB) | ||
| 164 : | $(RM) $(LIBSO) | ||
| 165 : | |||
| 166 : | install: $(LIBSO) $(LIB) | ||
| 167 : | cp $(LIBSO) $(LIBDIR) # you have to bee root for this | ||
| 168 : | cp $(LIB) $(LIBDIR) | ||
| 169 : | /sbin/ldconfig | ||
| 170 : | |||
| 171 : | # if you don't want to overwrite previous compile | ||
| 172 : | install-test: $(LIBSO) | ||
| 173 : | cp $(LIBSO) $(LIBDIR)/libtestcore.so | ||
| 174 : | /sbin/ldconfig |
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