434 lines
10 KiB
Plaintext
434 lines
10 KiB
Plaintext
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dnl -*- m4 -*-
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dnl
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dnl libmad - MPEG audio decoder library
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dnl Copyright (C) 2000-2004 Underbit Technologies, Inc.
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dnl
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dnl This program is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 2 of the License, or
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dnl (at your option) any later version.
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dnl
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
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dnl along with this program; if not, write to the Free Software
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dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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dnl
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AC_REVISION([$Id: configure.ac,v 1.9 2004/01/23 09:41:32 rob Exp $])dnl
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dnl Process this file with autoconf to produce a configure script.
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AC_INIT([MPEG Audio Decoder], [0.15.1b], [support@underbit.com], [libmad])
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AC_PREREQ(2.53)
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AC_CONFIG_SRCDIR([decoder.h])
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AM_INIT_AUTOMAKE
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AM_CONFIG_HEADER([config.h])
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dnl System type.
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AC_CANONICAL_HOST
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dnl Checks for programs.
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AC_PROG_CC
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AM_PROG_AS
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if test "$GCC" = yes
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then
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case "$host" in
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*-*-mingw*)
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case "$build" in
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*-*-cygwin*)
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CPPFLAGS="$CPPFLAGS -mno-cygwin"
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LDFLAGS="$LDFLAGS -mno-cygwin"
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;;
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esac
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esac
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dnl case "$host" in
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dnl *-*-cygwin* | *-*-mingw*)
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dnl LDFLAGS="$LDFLAGS -no-undefined -mdll"
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dnl ;;
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dnl esac
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fi
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dnl Support for libtool.
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dnl AC_DISABLE_SHARED
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dnl AC_LIBTOOL_WIN32_DLL
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AC_PROG_LIBTOOL
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AC_SUBST(LIBTOOL_DEPS)
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dnl Compiler options.
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arch=""
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debug=""
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optimize=""
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profile=""
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set -- $CFLAGS
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CFLAGS=""
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if test "$GCC" = yes
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then
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CFLAGS="-Wall"
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fi
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while test $# -gt 0
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do
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case "$1" in
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-Wall)
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if test "$GCC" = yes
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then
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:
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else
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CFLAGS="$CFLAGS $1"
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fi
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shift
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;;
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-g)
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debug="-g"
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shift
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;;
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-mno-cygwin)
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shift
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;;
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-m*)
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arch="$arch $1"
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shift
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;;
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-O2)
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optimize="-O"
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shift
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;;
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-fomit-frame-pointer)
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shift
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;;
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-O*|-f*)
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optimize="$optimize $1"
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shift
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;;
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*)
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CFLAGS="$CFLAGS $1"
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shift
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;;
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esac
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done
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if test "$GCC" = yes
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then
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if test -z "$arch"
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then
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case "$host" in
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i386-*) ;;
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i?86-*) arch="-march=i486" ;;
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arm*-empeg-*) arch="-march=armv4 -mtune=strongarm1100" ;;
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armv4*-*) arch="-march=armv4 -mtune=strongarm" ;;
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powerpc-*) ;;
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mips*-agenda-*) arch="-mcpu=vr4100" ;;
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mips*-luxsonor-*) arch="-mips1 -mcpu=r3000 -Wa,-m4010" ;;
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esac
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fi
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case "$optimize" in
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-O|"-O "*)
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optimize="-O"
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optimize="$optimize -fforce-mem"
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optimize="$optimize -fforce-addr"
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: #x optimize="$optimize -finline-functions"
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: #- optimize="$optimize -fstrength-reduce"
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optimize="$optimize -fthread-jumps"
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optimize="$optimize -fcse-follow-jumps"
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optimize="$optimize -fcse-skip-blocks"
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: #x optimize="$optimize -frerun-cse-after-loop"
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: #x optimize="$optimize -frerun-loop-opt"
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: #x optimize="$optimize -fgcse"
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optimize="$optimize -fexpensive-optimizations"
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optimize="$optimize -fregmove"
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: #* optimize="$optimize -fdelayed-branch"
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: #x optimize="$optimize -fschedule-insns"
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optimize="$optimize -fschedule-insns2"
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: #? optimize="$optimize -ffunction-sections"
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: #? optimize="$optimize -fcaller-saves"
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: #> optimize="$optimize -funroll-loops"
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: #> optimize="$optimize -funroll-all-loops"
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: #x optimize="$optimize -fmove-all-movables"
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: #x optimize="$optimize -freduce-all-givs"
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: #? optimize="$optimize -fstrict-aliasing"
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: #* optimize="$optimize -fstructure-noalias"
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case "$host" in
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arm*-*)
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optimize="$optimize -fstrength-reduce"
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;;
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mips*-*)
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optimize="$optimize -fstrength-reduce"
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optimize="$optimize -finline-functions"
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;;
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i?86-*)
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optimize="$optimize -fstrength-reduce"
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;;
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powerpc-apple-*)
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# this triggers an internal compiler error with gcc2
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: #optimize="$optimize -fstrength-reduce"
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# this is really only beneficial with gcc3
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: #optimize="$optimize -finline-functions"
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;;
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*)
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# this sometimes provokes bugs in gcc 2.95.2
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: #optimize="$optimize -fstrength-reduce"
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;;
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esac
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;;
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esac
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fi
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case "$host" in
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mips*-agenda-*)
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AC_DEFINE(HAVE_MADD16_ASM, 1,
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[Define if your MIPS CPU supports a 2-operand MADD16 instruction.])
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;;
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mips*-luxsonor-*)
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AC_DEFINE(HAVE_MADD_ASM, 1,
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[Define if your MIPS CPU supports a 2-operand MADD instruction.])
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;;
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esac
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dnl Checks for header files.
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AC_HEADER_STDC
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AC_HEADER_SYS_WAIT
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AC_CHECK_HEADERS(assert.h limits.h unistd.h sys/types.h fcntl.h errno.h)
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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AC_C_INLINE
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AC_C_BIGENDIAN
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AC_TYPE_PID_T
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AC_CHECK_SIZEOF(int, 2)
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AC_CHECK_SIZEOF(long, 4)
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AC_CHECK_SIZEOF(long long, 8)
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dnl Checks for library functions.
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AC_CHECK_FUNCS(waitpid fcntl pipe fork)
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dnl Other options.
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AC_SUBST(FPM)
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AC_SUBST(ASO)
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AC_SUBST(ASO_OBJS)
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dnl handle --enable and --disable options
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AC_CACHE_SAVE
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AC_MSG_CHECKING(whether to optimize for speed or for accuracy)
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AC_ARG_ENABLE(speed, AC_HELP_STRING([--enable-speed],
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[optimize for speed over accuracy]),
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[
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case "$enableval" in
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yes)
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optimize_for="speed"
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AC_DEFINE(OPT_SPEED, 1,
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[Define to optimize for speed over accuracy.])
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;;
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esac
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])
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AC_ARG_ENABLE(accuracy, AC_HELP_STRING([--enable-accuracy],
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[optimize for accuracy over speed]),
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[
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case "$enableval" in
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yes)
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if test "$optimize_for" = "speed"
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then
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optimize_for="both"
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else
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optimize_for="accuracy"
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fi
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AC_DEFINE(OPT_ACCURACY, 1,
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[Define to optimize for accuracy over speed.])
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;;
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esac
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])
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AC_MSG_RESULT(${optimize_for-default})
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if test "$optimize_for" = "both"
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then
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AC_MSG_ERROR(cannot optimize for both speed and accuracy)
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fi
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AC_MSG_CHECKING(for architecture-specific fixed-point math routines)
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AC_ARG_ENABLE(fpm, AC_HELP_STRING([--enable-fpm=ARCH],
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[use ARCH-specific fixed-point math routines
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(one of: intel, arm, mips, sparc, ppc, 64bit, default)]),
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[
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case "$enableval" in
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yes) ;;
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no|default|approx) FPM="DEFAULT" ;;
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intel|i?86) FPM="INTEL" ;;
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arm) FPM="ARM" ;;
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mips) FPM="MIPS" ;;
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sparc) FPM="SPARC" ;;
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ppc|powerpc) FPM="PPC" ;;
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64bit) FPM="64BIT" ;;
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float) FPM="FLOAT" ;;
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*)
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AC_MSG_RESULT(failed)
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AC_MSG_ERROR([bad --enable-fpm option])
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;;
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esac
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])
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if test -z "$FPM" && test "$GCC" = yes
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then
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case "$host" in
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i?86-*) FPM="INTEL" ;;
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arm*-*) FPM="ARM" ;;
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mips*-*) FPM="MIPS" ;;
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sparc*-*) FPM="SPARC" ;;
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powerpc*-*) FPM="PPC" ;;
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# FIXME: need to test for 64-bit long long...
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esac
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fi
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AC_MSG_RESULT(${FPM=DEFAULT})
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if test "$FPM" = "DEFAULT"
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then
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AC_MSG_WARN([default fixed-point math will yield limited accuracy])
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fi
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FPM="-DFPM_$FPM"
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AC_ARG_ENABLE(sso, AC_HELP_STRING([--enable-sso],
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[use subband synthesis optimization]),
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[
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case "$enableval" in
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yes)
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AC_DEFINE(OPT_SSO, 1,
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[Define to enable a fast subband synthesis approximation optimization.])
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;;
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esac
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])
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AC_ARG_ENABLE(aso, AC_HELP_STRING([--disable-aso],
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[disable architecture-specific optimizations]),
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[], [enable_aso=yes])
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if test "$enable_aso" = yes
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then
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case "$host" in
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i?86-*)
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: #ASO="$ASO -DASO_INTERLEAVE1"
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ASO="$ASO -DASO_ZEROCHECK"
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: #not yet #ASO="$ASO -DASO_SYNTH"
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: #not yet #ASO_OBJS="synth_mmx.lo"
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;;
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arm*-*)
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ASO="$ASO -DASO_INTERLEAVE1"
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ASO="$ASO -DASO_IMDCT"
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ASO_OBJS="imdct_l_arm.lo"
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;;
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mips*-*)
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ASO="$ASO -DASO_INTERLEAVE2"
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ASO="$ASO -DASO_ZEROCHECK"
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;;
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esac
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fi
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AC_MSG_CHECKING(for ISO/IEC interpretation)
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AC_ARG_ENABLE(strict-iso, AC_HELP_STRING([--enable-strict-iso],
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[use strict ISO/IEC interpretations]),
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[
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case "$enableval" in
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yes)
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AC_DEFINE(OPT_STRICT, 1,
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[Define to influence a strict interpretation of the ISO/IEC standards,
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even if this is in opposition with best accepted practices.])
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interpretation="strict"
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;;
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esac
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])
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AC_MSG_RESULT(${interpretation-best accepted practices})
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AC_MSG_CHECKING(whether to enable profiling)
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AC_ARG_ENABLE(profiling, AC_HELP_STRING([--enable-profiling],
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[generate profiling code]),
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[
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case "$enableval" in
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yes) profile="-pg" ;;
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esac
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])
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AC_MSG_RESULT(${enable_profiling-no})
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AC_MSG_CHECKING(whether to enable debugging)
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AC_ARG_ENABLE(debugging, AC_HELP_STRING([--enable-debugging],
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[enable diagnostic debugging support])
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AC_HELP_STRING([--disable-debugging],
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[do not enable debugging and use more optimization]),
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[
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case "$enableval" in
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yes)
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AC_DEFINE(DEBUG, 1,
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[Define to enable diagnostic debugging support.])
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||
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optimize=""
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;;
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no)
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|
|
if test -n "$profile"
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||
|
|
then
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AC_MSG_ERROR(--enable-profiling and --disable-debugging are incompatible)
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fi
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AC_DEFINE(NDEBUG, 1,
|
||
|
|
[Define to disable debugging assertions.])
|
||
|
|
debug=""
|
||
|
|
if test "$GCC" = yes
|
||
|
|
then
|
||
|
|
optimize="$optimize -fomit-frame-pointer"
|
||
|
|
fi
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
AC_MSG_RESULT(${enable_debugging-default})
|
||
|
|
|
||
|
|
AC_MSG_CHECKING(whether to enable experimental code)
|
||
|
|
AC_ARG_ENABLE(experimental, AC_HELP_STRING([--enable-experimental],
|
||
|
|
[enable experimental code]),
|
||
|
|
[
|
||
|
|
case "$enableval" in
|
||
|
|
yes)
|
||
|
|
AC_DEFINE(EXPERIMENTAL, 1,
|
||
|
|
[Define to enable experimental code.])
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
])
|
||
|
|
AC_MSG_RESULT(${enable_experimental-no})
|
||
|
|
|
||
|
|
dnl Create output files.
|
||
|
|
|
||
|
|
test -n "$arch" && CFLAGS="$CFLAGS $arch"
|
||
|
|
test -n "$debug" && CFLAGS="$CFLAGS $debug"
|
||
|
|
test -n "$optimize" && CFLAGS="$CFLAGS $optimize"
|
||
|
|
test -n "$profile" && CFLAGS="$CFLAGS $profile" LDFLAGS="$LDFLAGS $profile"
|
||
|
|
|
||
|
|
dnl LTLIBOBJS=`echo "$LIBOBJS" | sed -e 's/\.o/.lo/g'`
|
||
|
|
dnl AC_SUBST(LTLIBOBJS)
|
||
|
|
|
||
|
|
AC_CONFIG_FILES([Makefile msvc++/Makefile \
|
||
|
|
libmad.list])
|
||
|
|
AC_OUTPUT
|