special.m4.in

基于SDL的一个多硬件平台mp3播放器.含解码器源码,可适应平台有X86,ARM,MIPS,PowerPC.

AC_DEFUN(AC_CHECK_C_COMPILER,
[
  AC_ARG_ENABLE(debug,[  --enable-debug          enables debug symbols [default=no]],
  [
   if test $enableval = "no"; dnl
     then
       kde_use_debug_code="no"
       kde_use_debug_define=yes
     else
       kde_use_debug_code="yes"
       kde_use_debug_define=no
   fi
  ],
    [kde_use_debug_code="no"
      kde_use_debug_define=no
  ])

  dnl Just for configure --help
  AC_ARG_ENABLE(dummyoption,[  --disable-debug         disables debug output and debug symbols [default=no]],[],[])

  AC_ARG_ENABLE(strict,[  --enable-strict         compiles with strict compiler options (may not work!)],
   [
    if test $enableval = "no"; then
         kde_use_strict_options="no"
       else
         kde_use_strict_options="yes"
    fi
   ], [kde_use_strict_options="no"])

  AC_ARG_ENABLE(profile,[  --enable-profile        creates profiling infos [default=no]],
    [kde_use_profiling=$enableval],
    [kde_use_profiling="no"]
  )

  dnl this prevents stupid AC_PROG_CC to add "-g" to the default CFLAGS
  CFLAGS=" $CFLAGS"

  AC_PROG_CC

  if test "$GCC" = "yes"; then
    if test "$kde_use_debug_code" = "yes"; then
      CFLAGS="-g -O2 $CFLAGS"
      case $host in
        *-*-linux-gnu)	
          CFLAGS="-ansi -W -Wall -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings -D_XOPEN_SOURCE=500 -D_BSD_SOURCE $CFLAGS"
        ;;
      esac
    else
      CFLAGS="-O2 $CFLAGS"
    fi
  fi

  if test "$kde_use_debug_define" = "yes"; then
    CFLAGS="-DNDEBUG $CFLAGS"
  fi

  case "$host" in
  *-*-sysv4.2uw*) CFLAGS="-D_UNIXWARE $CFLAGS";;
  *-*-sysv5uw7*) CFLAGS="-D_UNIXWARE7 $CFLAGS";;
  esac

  if test -z "$LDFLAGS" && test "$kde_use_debug_code" = "no" && test "$GCC" = "yes"; then
     LDFLAGS=""
  fi

  if test "$kde_use_profiling" = "yes"; then
    KDE_CHECK_COMPILER_FLAG(pg,
    [
      CFLAGS="-pg $CFLAGS"
    ])
  fi

  USE_EXCEPTIONS=
  AC_SUBST(USE_EXCEPTIONS)
  dnl obsolete macro - provided to keep things going
  USE_RTTI=
  AC_SUBST(USE_RTTI)

  AC_PROG_CPP

  # the following is to allow programs, that are known to
  # have problems when compiled with -O2
  if test -n "$CFLAGS"; then
      kde_safe_IFS=$IFS
      IFS=" "
      NOOPT_CFLAGS=""
      for i in $CFLAGS; do
        case $i in
          -O*)
                ;;
          *)
                NOOPT_CFLAGS="$NOOPT_CFLAGS $i"
                ;;
        esac
      done
      IFS=$kde_safe_IFS
  fi

  AC_SUBST(NOOPT_CFLAGS)

  KDE_CHECK_FINAL

  ifdef([AM_DEPENDENCIES], AC_REQUIRE([KDEV_ADD_DEPENDENCIES]), [])

  KDE_CXXFLAGS=
  AC_SUBST(KDE_CXXFLAGS)
])

AC_DEFUN(KDEV_ADD_DEPENDENCIES,
[
   [A]M_DEPENDENCIES(CC)
])


dnl just a wrapper to clean up configure.in only for c projects
AC_DEFUN(KDEV_PROG_LIBTOOL,
[
AC_REQUIRE([AC_CHECK_C_COMPILER])
AC_REQUIRE([AC_ENABLE_SHARED])
AC_REQUIRE([AC_ENABLE_STATIC])

AC_REQUIRE([AC_LIBTOOL_DLOPEN])

AC_LANG_SAVE
AC_LANG_C
AC_OBJEXT
AC_EXEEXT
AC_LANG_RESTORE

AM_PROG_LIBTOOL
AC_LIBTOOL_SETUP

LIBTOOL_SHELL="/bin/sh ./libtool"
#  LIBTOOL="$LIBTOOL --silent"
])