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lame/Makefile.unix

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# Makefile for LAME 3.xx -*- makefile -*-
#
# LAME is reported to work under:
# Linux (i86), NetBSD 1.3.2 (StrongARM), FreeBSD (i86)
# Compaq Alpha(OSF, Linux, Tru64 Unix), Sun Solaris, SGI IRIX,
# OS2 Warp, Macintosh PPC, BeOS, Amiga and even VC++
#
# these variables are available on command line:
#
# make UNAME=xxxxx ARCH=xxxxx - specify a type of host
# make PGM=lame_exp - specify a name of an executable file
#
# if you have mingw32-gcc, try:
# make -fMakefile.unix UNAME=MSDOS
# or if you get the error
# "process_begin: CreateProcess((null), copy configMS.h config.h, ...)":
# make -fMakefile.unix UNAME=MSDOS NOUNIXCMD=NO
# or if you have NASM:
# make -fMakefile.unix UNAME=MSDOS HAVE_NASM=YES
#
ifeq ($(UNAME),MSDOS)
UNAME ?= UNKNOWN
ARCH = x86
NOUNIXCMD = YES
else
UNAME = $(shell uname)
ARCH = $(shell uname -m)
iARCH = $(patsubst i%86,x86,$(ARCH))
endif
HAVE_NASM = NO
HAVE_NEWER_GLIBC = NO
NASM_FLAGS=elf
# generic defaults. OS specific options go in versious sections below
PGM = lame
CC = gcc
CC_OPTS = -O
CPP_OPTS = -Iinclude -Impglib -Ifrontend -Ilibmp3lame
AR = ar
RANLIB = ranlib
GTK =
GTKLIBS =
LIBSNDFILE =
LIBS = -lm
MP3LIB = libmp3lame/libmp3lame.a
MP3LIB_SHARED = libmp3lame/libmp3lame.so
MAKEDEP = -M
BRHIST_SWITCH =
LIBTERMCAP =
RM = rm -f
CPP_OPTS += -DHAVE_CONFIG_H -I.
##########################################################################
# -DHAVEMPGLIB compiles the mpglib *decoding* library into libmp3lame
##########################################################################
CPP_OPTS += -DHAVE_MPGLIB
##########################################################################
# -DTAKEHIRO_IEEE754_HACK enables Takehiro's IEEE hack
##########################################################################
ifeq ($(iARCH),x86)
ifeq ($(CFG),RH_SSE)
# SSE and IEEE754 HACK don't work together
else
CPP_OPTS += -DTAKEHIRO_IEEE754_HACK
endif
endif
##########################################################################
# Define these in the OS specific sections below to compile in code
# for the optional VBR bitrate histogram.
# Requires ncurses, but libtermcap also works.
# If you have any trouble, just dont define these
#
# BRHIST_SWITCH = -DBRHIST -DHAVE_TERMCAP -DHAVE_{NCURSES_}TERMCAP_H
# LIBTERMCAP = -lncurses
# LIBTERMCAP = -ltermcap
#
# or, to try and simulate TERMCAP (ANSI), use:
# BRHIST_SWITCH = -DBRHIST
#
##########################################################################
##########################################################################
# Define these in the OS specific sections below to compile in code for:
#
# SNDLIB = -DLIBSNDFILE to use Erik de Castro Lopo's libsndfile
# http://www.zip.com.au/~erikd/libsndfile/ instead of LAME's internal
# routines. Also set:
#
# LIBSNDFILE = -lsndfile
# or
# LIBSNDFILE = -L/location_of_libsndfile -lsndfile
#
##########################################################################
##########################################################################
# Define these in the OS specific sections below to compile in code for
# the GTK mp3 frame analyzer
#
# Requires -DHAVE_MPGLIB
#
# GTK = -DHAVE_GTK `gtk-config --cflags`
# GTKLIBS = `gtk-config --libs`
#
##########################################################################
##########################################################################
# LINUX
##########################################################################
ifeq ($(UNAME),Linux)
# The frame analyzer depends on gtk1.2. Uncomment the next 2 lines to get it
# GTK = -DHAVE_GTK `gtk-config --cflags`
# GTKLIBS = `gtk-config --libs`
# Comment out next 2 lines if you want to remove VBR histogram capability
BRHIST_SWITCH = -DHAVE_TERMCAP -DHAVE_TERMCAP_H
LIBTERMCAP = -lncurses
# uncomment to use LIBSNDFILE
# SNDLIB = -DLIBSNDFILE
# LIBSNDFILE=-lsndfile
# suggested for gcc-2.7.x
# CC_OPTS = -O3 -fomit-frame-pointer -funroll-loops -ffast-math -finline-functions -Wall -pedantic
# CC_OPTS = -O9 -fomit-frame-pointer -fno-strength-reduce -mpentiumpro -ffast-math -finline-functions -funroll-loops -Wall -malign-double -g -march=pentiumpro -mfancy-math-387 -pipe -pedantic
# Suggested for GCC 4.* & machines with sse+sse2+sse3: -Os might reduce
# the use of the instruction cache and, thus, get better performance,
# but this should be experimented by the user. Customize at your own
# convenience.
#
#CC_OPTS = -pipe -O3 \
# -Wall -Wextra -pedantic \
# -Wmissing-declarations -Wfloat-equal -Wshadow \
# -Wcast-qual -Wcast-align -Wdisabled-optimization \
# -ffast-math -ftree-vectorize -ftree-vect-loop-version \
# -mtune=nocona -march=nocona -mfpmath=sse -msse -msse2 -msse3 \
# -malign-double -maccumulate-outgoing-args
# for debugging:
CC_OPTS = -UNDEBUG -O -Wall -pedantic -ggdb -DABORTFP
# for lots of debugging:
# CC_OPTS = -DDEBUG -UNDEBUG -O -Wall -pedantic -g -DABORTFP
ifeq ($(CFG),RH)
GTK = -DHAVE_GTK `gtk-config --cflags`
GTKLIBS = `gtk-config --libs`
CPP_OPTS += -DFLOAT8=float -DREAL_IS_FLOAT=1 -DHAVE_ICONV -DHAVE_XMMINTRIN_H -D_ALLOW_INTERNAL_OPTIONS
# these options for gcc-3.2 & AthlonXP
CC_OPTS = \
-pipe -O3 \
-Wall -W -Wmissing-declarations -Wfloat-equal -Wformat \
-Wcast-qual -Wcast-align -Wdisabled-optimization -Wshadow \
-march=athlon-xp \
-malign-double \
-maccumulate-outgoing-args
# -Wconversion -Wunreachable-code \
HAVE_NEWER_GLIBC = YES
HAVE_NASM = YES
endif
ifeq ($(CFG),RH_SSE)
GTK = -DHAVE_GTK `gtk-config --cflags`
GTKLIBS = `gtk-config --libs`
CPP_OPTS += -DFLOAT8=float -DREAL_IS_FLOAT=1 -DHAVE_ICONV -DHAVE_XMMINTRIN_H -DMIN_ARCH_SSE -D_ALLOW_INTERNAL_OPTIONS
# these options for gcc-3.2 & AthlonXP
CC_OPTS = \
-std=c99 -pipe -O3 -fstrict-aliasing \
-Wall -W -Wmissing-declarations -Wfloat-equal -Wformat \
-Wcast-qual -Wcast-align -Wdisabled-optimization -Wshadow \
-Wunsafe-loop-optimizations \
-march=k8 \
-ffast-math \
-mfpmath=sse -msse -msse2 \
-malign-double \
-funsafe-math-optimizations \
-funsafe-loop-optimizations \
-maccumulate-outgoing-args
# -Dpowf=pow -Dfabsf=fabs -Dlog10f=log10
# -fsingle-precision-constant \
# -Wconversion -Wunreachable-code \
# -ftree-vectorizer-verbose=10 \
HAVE_NEWER_GLIBC = YES
# HAVE_NASM = YES
NASM_FLAGS = elf64
endif
ifeq ($(CFG),RH_INTEL)
CC=icc
GTK = -DHAVE_GTK `gtk-config --cflags`
GTKLIBS = `gtk-config --libs`
CPP_OPTS += -DFLOAT8=float -DREAL_IS_FLOAT=1 -DHAVE_ICONV -DHAVE_XMMINTRIN_H -DMIN_ARCH_SSE -D_ALLOW_INTERNAL_OPTIONS
CC_OPTS = \
-cxxlib-nostd \
-O3 -fno-alias -ip -finline-limit=400 \
-scalar-rep
# -vec_report5 -opt-report
# -parallel
endif
ifeq ($(CFG),PFK)
CPP_OPTS += -DKLEMM -DKLEMM_00 -DKLEMM_01 -DKLEMM_02 -DKLEMM_03 -DKLEMM_04 -DKLEMM_05 -DKLEMM_06 -DKLEMM_07 -DKLEMM_08 -DKLEMM_09 -DKLEMM_10 -DKLEMM_11 -DKLEMM_12 -DKLEMM_13 -DKLEMM_14 -DKLEMM_15 -DKLEMM_16 -DKLEMM_17 -DKLEMM_18 -DKLEMM_19 -DKLEMM_20 -DKLEMM_21 -DKLEMM_22 -DKLEMM_23 -DKLEMM_24 -DKLEMM_25 -DKLEMM_26 -DKLEMM_27 -DKLEMM_28 -DKLEMM_29 -DKLEMM_30 -DKLEMM_31 -DKLEMM_32 -DKLEMM_33 -DKLEMM_34 -DKLEMM_35 -DKLEMM_36 -DKLEMM_37 -DKLEMM_38 -DKLEMM_39 -DKLEMM_40 -DKLEMM_41 -DKLEMM_42 -DKLEMM_43 -DKLEMM_44 -DKLEMM_45 -DKLEMM_46 -DKLEMM_47 -DKLEMM_48 -DKLEMM_49 -DKLEMM_50
CC_OPTS = \
-Wall -O9 -fomit-frame-pointer -march=pentium \
-finline-functions -fexpensive-optimizations \
-funroll-loops -funroll-all-loops -pipe -fschedule-insns2 \
-fstrength-reduce \
-malign-double -mfancy-math-387 -ffast-math
HAVE_NEWER_GLIBC = YES
HAVE_NASM = YES
endif
##########################################################################
# LINUX on Digital/Compaq Alpha CPUs
##########################################################################
ifeq ($(ARCH),alpha)
################################################################
#### Check if 'ccc' is in our path
#### if not, use 'gcc'
################################################################
ifeq ($(shell which ccc 2>/dev/null | grep -c ccc),0)
# double is faster than float on Alpha
CC_OPTS = -O4 -pedantic -Wall -fomit-frame-pointer -ffast-math -funroll-loops \
-mfp-regs -fschedule-insns -fschedule-insns2 \
-finline-functions \
# -DFLOAT=double
# add "-mcpu=21164a -Wa,-m21164a" to optimize for 21164a (ev56) CPU
################################################################
#### else, use 'ccc'
################################################################
else
# Compaq's C Compiler
CC = ccc
################################################################
#### set 'CC_OPTS = -arch host -tune host' to generate/tune instructions for this machine
#### 'CC_OPTS += -migrate -fast -inline speed -unroll 0' tweak to run as fast as possible :)
#### 'CC_OPTS += -w0 -pedantic -Wall' set warning and linking flags
################################################################
CC_OPTS = -arch host -tune host
CC_OPTS += -migrate -fast -inline speed -unroll 0
CC_OPTS += -w0 -pedantic -Wall
################################################################
#### to debug, uncomment
################################################################
# For Debugging
#CC_OPTS += -g3
################################################################
#### define __DECALPHA__ (i was getting re-declaration warnings
#### in machine.h
################################################################
# Define DEC Alpha
CPP_OPTS += -D__DECALPHA__
# standard Linux libm
#LIBS = -lm
# optimized libffm (free fast math library)
#LIBS = -lffm
# Compaq's fast math library
LIBS = -lcpml
endif # gcc or ccc?
endif # alpha
endif # linux
##########################################################################
# FreeBSD
##########################################################################
ifeq ($(UNAME),FreeBSD)
# remove if you do not have GTK or do not want the GTK frame analyzer
GTK = -DHAVE_GTK `gtk12-config --cflags`
GTKLIBS = `gtk12-config --libs`
# Comment out next 2 lines if you want to remove VBR histogram capability
BRHIST_SWITCH = -DHAVE_TERMCAP -DHAVE_TERMCAP_H
LIBTERMCAP = -lncurses
endif
##########################################################################
# OpenBSD
##########################################################################
ifeq ($(UNAME),OpenBSD)
# remove if you do not have GTK or do not want the GTK frame analyzer
GTK = -DHAVE_GTK `gtk-config --cflags`
GTKLIBS = `gtk-config --libs`
# Comment out next 2 lines if you want to remove VBR histogram capability
BRHIST_SWITCH = -DHAVE_TERMCAP -DHAVE_TERMCAP_H
LIBTERMCAP = -lcurses
endif
##########################################################################
# SunOS
##########################################################################
ifeq ($(UNAME),SunOS)
CC = cc
CC_OPTS = -O -xCC
MAKEDEP = -xM
# for gcc, use instead:
# CC = gcc
# CC_OPTS = -O
# MAKEDEP = -M
endif
##########################################################################
# SGI
##########################################################################
ifeq ($(UNAME),IRIX64)
CC = cc
CC_OPTS = -O3 -woff all
#optonal:
# GTK = -DHAVE_GTK `gtk-config --cflags`
# GTKLIBS = `gtk-config --libs`
# BRHIST_SWITCH = -DBRHIST -DHAVE_TERMCAP -DHAVE_TERMCAP_H
# LIBTERMCAP = -lncurses
endif
ifeq ($(UNAME),IRIX)
CC = cc
CC_OPTS = -O3 -woff all
endif
##########################################################################
# Compaq Alpha running Dec Unix (OSF)
##########################################################################
ifeq ($(UNAME),OSF1)
CC = cc
CC_OPTS = -fast -O3 -std -g3 -non_shared
endif
##########################################################################
# BeOS
##########################################################################
ifeq ($(UNAME),BeOS)
CC = $(BE_C_COMPILER)
LIBS =
ifeq ($(ARCH),BePC)
CC_OPTS = -O9 -fomit-frame-pointer -march=pentium \
-mcpu=pentium -ffast-math -funroll-loops \
-fprofile-arcs -fbranch-probabilities
else
CC_OPTS = -opt all
MAKEDEP = -make
endif
endif
###########################################################################
# MOSXS (Rhapsody PPC)
###########################################################################
ifeq ($(UNAME),Rhapsody)
CC = cc
LIBS =
CC_OPTS = -O9 -ffast-math -funroll-loops -fomit-frame-pointer
MAKEDEP = -make
endif
##########################################################################
# OS/2
##########################################################################
# Properly installed EMX runtime & development package is a prerequisite.
# tools I used: make 3.76.1, uname 1.12, sed 2.05, PD-ksh 5.2.13
#
##########################################################################
ifeq ($(UNAME),OS/2)
SHELL=sh
CC = gcc
CC_OPTS = -O3 -D__OS2__
PGM = lame.exe
LIBS =
RANLIB = touch
# I use the following for slightly better performance on my Pentium-II
# using pgcc-2.91.66:
# CC_OPTS = -O6 -ffast-math -funroll-loops -mpentiumpro -march=pentiumpro -D__OS2__
# for the unfortunates with a regular pentium (using pgcc):
# CC_OPTS = -O6 -ffast-math -funroll-loops -mpentium -march=pentium -D__OS2__
# Comment out next 2 lines if you want to remove VBR histogram capability
BRHIST_SWITCH = -DHAVE_TERMCAP -DHAVE_{NCURSES_}TERMCAP_H
LIBTERMCAP = -lncurses
# Uncomment & inspect the 2 GTK lines to use MP3x GTK frame analyzer.
# Properly installed XFree86/devlibs & GTK+ is a prerequisite.
# The following works for me using Xfree86/OS2 3.3.5 and GTK+ 1.2.3:
# GTK = -DHAVE_GTK -IC:/XFree86/include/gtk12 -Zmt -D__ST_MT_ERRNO__ -IC:/XFree86/include/glib12 -IC:/XFree86/include
# GTKLIBS = -LC:/XFree86/lib -Zmtd -Zsysv-signals -Zbin-files -lgtk12 -lgdk12 -lgmodule -lglib12 -lXext -lX11 -lshm -lbsd -lsocket -lm
endif
###########################################################################
# MSDOS/Windows
###########################################################################
ifeq ($(UNAME),MSDOS)
RM =
CC_OPTS = \
-Wall -pipe -O3 -fomit-frame-pointer -ffast-math -funroll-loops \
-fschedule-insns2 -fmove-all-movables -freduce-all-givs \
-mcpu=pentium -march=pentium -mfancy-math-387
CC_OPTS += -D_cdecl=__cdecl
PGM = lame.exe
endif
###########################################################################
# AmigaOS
###########################################################################
# Type 'Make ARCH=PPC' for PowerUP and 'Make ARCH=WOS' for WarpOS
#
###########################################################################
ifeq ($(UNAME),AmigaOS)
CC = gcc -noixemul
CC_OPTS = -O3 -ffast-math -funroll-loops -m68020-60 -m68881
BRHIST_SWITCH = -DBRHIST
MAKEDEP = -MM
ifeq ($(ARCH),WOS)
CC = ppc-amigaos-gcc -warpup
CC_OPTS = -O3 -ffast-math -fomit-frame-pointer -funroll-loops \
-mmultiple -mcpu=603e
AR = ppc-amigaos-ar
RANLIB = ppc-amigaos-ranlib
LIBS =
endif
ifeq ($(ARCH),PPC)
CC = ppc-amigaos-gcc
CC_OPTS = -O3 -ffast-math -fomit-frame-pointer -funroll-loops \
-mmultiple -mcpu=603e
AR = ppc-amigaos-ar
RANLIB = ppc-amigaos-ranlib
LIBS =
endif
endif
# 10/99 added -D__NO_MATH_INLINES to fix a bug in *all* versions of
# gcc 2.8+ as of 10/99.
ifeq ($(HAVE_NEWER_GLIBC),YES)
CC_SWITCHES =
else
CC_SWITCHES = -D__NO_MATH_INLINES # only needed by some older glibc
endif
# temporary remove NDEBUG, see configure.in
#CC_SWITCHES += -DNDEBUG $(CC_OPTS) $(SNDLIB) $(BRHIST_SWITCH)
CC_SWITCHES += $(CC_OPTS) $(SNDLIB) $(BRHIST_SWITCH)
frontend_sources = \
frontend/main.c \
frontend/amiga_mpega.c \
frontend/brhist.c \
frontend/get_audio.c \
frontend/lametime.c \
frontend/parse.c \
frontend/timestatus.c \
frontend/console.c \
lib_sources = \
libmp3lame/bitstream.c \
libmp3lame/encoder.c \
libmp3lame/fft.c \
libmp3lame/gain_analysis.c \
libmp3lame/id3tag.c \
libmp3lame/lame.c \
libmp3lame/newmdct.c \
libmp3lame/psymodel.c \
libmp3lame/quantize.c \
libmp3lame/quantize_pvt.c \
libmp3lame/set_get.c \
libmp3lame/vbrquantize.c \
libmp3lame/reservoir.c \
libmp3lame/tables.c \
libmp3lame/takehiro.c \
libmp3lame/util.c \
libmp3lame/mpglib_interface.c \
libmp3lame/VbrTag.c \
libmp3lame/version.c \
libmp3lame/presets.c \
libmp3lame/vector/xmm_quantize_sub.c \
mpglib/common.c \
mpglib/dct64_i386.c \
mpglib/decode_i386.c \
mpglib/layer1.c \
mpglib/layer2.c \
mpglib/layer3.c \
mpglib/tabinit.c \
mpglib/interface.c
#ifeq ($(UNAME),MSDOS)
# frontend_sources := $(subst /,\,$(frontend_sources))
# lib_sources := $(subst /,\,$(lib_sources))
#endif
frontend_obj = $(frontend_sources:.c=.o)
lib_obj = $(lib_sources:.c=.o)
DEP = $(frontend_sources:.c=.d) $(lib_sources:.c=.d )
gtk_sources = frontend/gtkanal.c frontend/gpkplotting.c frontend/mp3x.c
gtk_obj = $(gtk_sources:.c=.gtk.o)
gtk_dep = $(gtk_sources:.c=.d)
NASM = nasm
ASFLAGS=-f $(NASM_FLAGS) -i libmp3lame/i386/
# for people with nasmw
ifeq ($(UNAME),MSDOS)
NASM = nasmw
ASFLAGS=-f win32 -DWIN32 -i libmp3lame/i386/
endif
%.o: %.nas
$(NASM) $(ASFLAGS) $< -o $@
%.o: %.s
gcc -c $< -o $@
#HAVE_NASM = YES
ifeq ($(HAVE_NASM),YES)
## have NASM
CC_SWITCHES += -DHAVE_NASM
lib_obj += libmp3lame/i386/cpu_feat.o
## use MMX extension. you need nasm and MMX supported CPU.
CC_SWITCHES += -DMMX_choose_table
lib_obj += libmp3lame/i386/choose_table.o
## use 3DNow! extension. you need nasm and 3DNow! supported CPU.
lib_obj += libmp3lame/i386/fft3dn.o
## use SSE extension. you need nasm and SSE supported CPU.
lib_obj += libmp3lame/i386/fftsse.o
## not yet coded
#CC_SWITCHES += -DUSE_FFTFPU
#lib_obj += libmp3lame/i386/fftfpu.o
endif
#
# Makefile rules---you probably won't have to modify below this line
#
%.o: %.c
$(CC) $(CPP_OPTS) $(CC_SWITCHES) -c $< -o $@
%.d: %.c
ifeq ($(NOUNIXCMD),YES)
$(CC) $(MAKEDEP) $(CPP_OPTS) $(CC_SWITCHES) $< > $@
else
$(SHELL) -ec '$(CC) $(MAKEDEP) $(CPP_OPTS) $(CC_SWITCHES) $< | sed '\''s;$*.o;& $@;g'\'' > $@'
endif
%.gtk.o: %.c
$(CC) $(CPP_OPTS) $(CC_SWITCHES) $(GTK) -c $< -o $@
all: frontend/$(PGM)
$(lib_sources) $(frontend_sources) $(gtk_sources) : config.h
config.h: configMS.h
ifeq ($(NOUNIXCMD),YES)
copy configMS.h config.h
else
cp configMS.h config.h
endif
frontend/$(PGM): frontend/lame_main.o $(frontend_obj) $(MP3LIB)
$(CC) $(CC_OPTS) -o frontend/$(PGM) frontend/lame_main.o $(frontend_obj) \
$(MP3LIB) $(LIBS) $(LIBSNDFILE) $(LIBTERMCAP)
mp3x: $(frontend_obj) $(gtk_obj) $(MP3LIB)
$(CC) $(CC_OPTS) -o frontend/mp3x $(frontend_obj) $(gtk_obj) \
$(MP3LIB) $(LIBS) $(LIBSNDFILE) $(LIBTERMCAP) $(GTKLIBS)
mp3rtp: frontend/rtp.o frontend/mp3rtp.o $(frontend_obj) $(MP3LIB)
$(CC) $(CC_OPTS) -o frontend/mp3rtp frontend/mp3rtp.o frontend/rtp.o $(frontend_obj) $(MP3LIB) \
$(LIBS) $(LIBSNDFILE) $(LIBTERMCAP)
libmp3lame/libmp3lame.a: $(lib_obj)
echo $(lib_obj)
$(AR) cr libmp3lame/libmp3lame.a $(lib_obj)
$(RANLIB) libmp3lame/libmp3lame.a
#shared library. GNU specific?
libmp3lame/libmp3lame.so: $(lib_obj)
gcc -shared -Wl,-soname,libmp3lame/libmp3lame.so -o libmp3lame/libmp3lame.so $(lib_obj)
install: frontend/$(PGM) #libmp3lame.a
cp frontend/$(PGM) /usr/bin
#cp libmp3lame.a /usr/lib
#cp lame.h /usr/lib
clean:
ifeq ($(UNAME),MSDOS)
-del $(subst /,\,$(frontend_obj))
-del $(subst /,\,$(lib_obj))
-del $(subst /,\,$(gtk_obj))
-del $(subst /,\,$(DEP))
-del frontend\$(PGM)
-del frontend\main.o
-del libmp3lame\libmp3lame.a
else
-$(RM) $(gtk_obj) $(frontend_obj) $(lib_obj) $(DEP) frontend/$(PGM) \
frontend/main.o frontend/lame libmp3lame/libmp3lame.a \
frontend/mp3x.o frontend/mp3x
endif
tags: TAGS
TAGS: ${c_sources}
etags -T ${c_sources}
ifneq ($(MAKECMDGOALS),clean)
-include $(DEP)
endif
#
# testcase.mp3 is a 2926 byte file. The first number output by
# wc is the number of bytes which differ between new output
# and 'official' results.
#
# Because of compiler options and effects of roundoff, the
# number of bytes which are different may not be zero, but
# should be at most 30.
#
test: frontend/$(PGM)
frontend/$(PGM) --nores testcase.wav testcase.new.mp3
cmp -l testcase.new.mp3 testcase.mp3 | wc -l
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