configure

来自「基于4个mips核的noc设计」· 代码 · 共 1,619 行 · 第 1/4 页

s/\\\n//g
t loop
/^CC[ 	]*=/ s/CC[ 	]*=[ 	]*\(.*\)/\1/p' < Makefile > Makefile.cc
  CC=`tail -1 Makefile.cc`
  rm -f Makefile.cc
fi

if [ -z "${CFLAGS}" ] && [ -r Makefile ]; then
  sed -n -e ':loop
/\\$/ N
s/\\\n//g
t loop
/^CFLAGS[ 	]*=/ s/CFLAGS[ 	]*=[ 	]*\(.*\)/\1/p' < Makefile > Makefile.cc
  CFLAGS=`tail -1 Makefile.cc`
  rm -f Makefile.cc
fi

if [ -z "${CXX}" ] && [ -r Makefile ]; then
  sed -n -e ':loop
/\\$/ N
s/\\\n//g
t loop
/^CXX[ 	]*=/ s/CXX[ 	]*=[ 	]*\(.*\)/\1/p' < Makefile > Makefile.cc
  CXX=`tail -1 Makefile.cc`
  rm -f Makefile.cc
fi

if [ -z "${CXXFLAGS}" ] && [ -r Makefile ]; then
  sed -n -e ':loop
/\\$/ N
s/\\\n//g
t loop
/^CXXFLAGS[ 	]*=/ s/CXXFLAGS[ 	]*=[ 	]*\(.*\)/\1/p' < Makefile > Makefile.cc
  CXXFLAGS=`tail -1 Makefile.cc`
  rm -f Makefile.cc
fi

# Generate a default definition for YACC.  This is used if the makefile can't
# locate bison or byacc in objdir.

for prog in 'bison -y' byacc yacc
do
  set dummy $prog; tmp=$2
  IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}:"
  for dir in $PATH; do
    test -z "$dir" && dir=.
    if test -f $dir/$tmp; then
      DEFAULT_YACC="$prog"
      break
    fi
  done
  IFS="$save_ifs"

  test -n "$DEFAULT_YACC" && break
done

# Generate a default definition for M4.  This is used if the makefile can't
# locate m4 in objdir.

for prog in gm4 gnum4 m4
do
  set dummy $prog; tmp=$2
  IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
  for dir in $PATH; do
    test -z "$dir" && dir=.
    if test -f $dir/$tmp; then
      DEFAULT_M4="$prog"
      break
    fi
  done
  IFS="$save_ifs"

  test -n "$DEFAULT_M4" && break
done

# Generate a default definition for LEX.  This is used if the makefile can't
# locate flex in objdir.

for prog in flex lex
do
  set dummy $prog; tmp=$2
  IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}:"
  for dir in $PATH; do
    test -z "$dir" && dir=.
    if test -f $dir/$tmp; then
      DEFAULT_LEX="$prog"
      break
    fi
  done
  IFS="$save_ifs"

  test -n "$DEFAULT_LEX" && break
done

if [ "${build}" != "${host}" ]; then
  # If we are doing a Canadian Cross, in which the host and build systems
  # are not the same, we set reasonable default values for the tools.

  tools="AR AR_FOR_TARGET AS AS_FOR_TARGET BISON CC_FOR_BUILD"
  tools="${tools} CC_FOR_TARGET CXX_FOR_TARGET"
  tools="${tools} DLLTOOL DLLTOOL_FOR_TARGET GCC_FOR_TARGET HOST_PREFIX"
  tools="${tools} HOST_PREFIX_1 LD LD_FOR_TARGET LEX MAKEINFO NM"
  tools="${tools} NM_FOR_TARGET RANLIB RANLIB_FOR_TARGET"
  tools="${tools} WINDRES WINDRES_FOR_TARGET YACC"
  tools="${tools} OBJCOPY OBJDUMP"

  for var in ${tools}; do
    if eval [ -z \"\$${var}\" ] && [ -r Makefile ]; then
      sed -n -e ':loop
/\\$/ N
s/\\\n//g
t loop
/^'"${var}"'[ 	]*=/ s/'"${var}"'[ 	]*=[ 	]*\(.*\)/\1/p' \
	< Makefile > Makefile.v
      t=`tail -1 Makefile.v`
      if [ -n "${t}" ]; then
	eval "${var}=\${t}"
      fi
      rm -f Makefile.v
    fi
  done

  AR=${AR-${host_alias}-ar}
  AR_FOR_TARGET=${AR_FOR_TARGET-${target_alias}-ar}
  AS=${AS-${host_alias}-as}
  AS_FOR_TARGET=${AS_FOR_TARGET-${target_alias}-as}
  BISON=${BISON-bison}
  CC=${CC-${host_alias}-gcc}
  CFLAGS=${CFLAGS-"-g -O2"}
  CXX=${CXX-${host_alias}-c++}
  CXXFLAGS=${CXXFLAGS-"-g -O2"}
  CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
  CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
  CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
  DLLTOOL=${DLLTOOL-${host_alias}-dlltool}
  DLLTOOL_FOR_TARGET=${DLLTOOL_FOR_TARGET-${target_alias}-dlltool}
  GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
  HOST_PREFIX=${build_alias}-
  HOST_PREFIX_1=${build_alias}-
  LD=${LD-${host_alias}-ld}
  LD_FOR_TARGET=${LD_FOR_TARGET-${target_alias}-ld}
  MAKEINFO=${MAKEINFO-makeinfo}
  NM=${NM-${host_alias}-nm}
  NM_FOR_TARGET=${NM_FOR_TARGET-${target_alias}-nm}
  RANLIB=${RANLIB-${host_alias}-ranlib}
  RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET-${target_alias}-ranlib}
  WINDRES=${WINDRES-${host_alias}-windres}
  WINDRES_FOR_TARGET=${WINDRES_FOR_TARGET-${target_alias}-windres}
  OBJCOPY=${OBJCOPY-${host_alias}-objcopy}
  OBJDUMP=${OBJDUMP-${host_alias}-objdump}

  if [ -z "${YACC}" ]; then
    IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}:"
    for dir in $PATH; do
      test -z "$dir" && dir=.
      if test -f $dir/bison; then
	YACC="bison -y"
	break
      fi
      if test -f $dir/byacc; then
	YACC=byacc
	break
      fi
      if test -f $dir/yacc; then
	YACC=yacc
	break
      fi
    done
    IFS="$save_ifs"
    if [ -z "${YACC}" ]; then
      YACC="bison -y"
    fi
  fi

  if [ -z "${LEX}" ]; then
    IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}:"
    for dir in $PATH; do
      test -z "$dir" && dir=.
      if test -f $dir/flex; then
	LEX=flex
	break
      fi
      if test -f $dir/lex; then
	LEX=lex
	break
      fi
    done
    IFS="$save_ifs"
    LEX=${LEX-flex}
  fi

  # Export variables which autoconf might try to set.
  export AS
  export AR
  export CC_FOR_BUILD
  export DLLTOOL
  export LD
  export NM
  export RANLIB
  export WINDRES
  export OBJCOPY
  export OBJDUMP
else
  # If CC is still not set, try to get gcc.
  if [ -z "${CC}" ]; then
    IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}:"
    for dir in $PATH; do
      test -z "$dir" && dir=.
      if test -f $dir/gcc; then
	CC="gcc"
	echo 'void f(){}' > conftest.c
	if test -z "`${CC} -g -c conftest.c 2>&1`"; then
	  CFLAGS=${CFLAGS-"-g -O2"}
	  CXXFLAGS=${CXXFLAGS-"-g -O2"}
	else
	  CFLAGS=${CFLAGS-"-O2"}
	  CXXFLAGS=${CXXFLAGS-"-O2"}
	fi
	rm -f conftest*
	break
      fi
    done
    IFS="$save_ifs"
    CC=${CC-cc}
  else
    if test -z "${CFLAGS}"; then
      # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
      # is set to a version of gcc.
      case "${CC}" in
      *gcc)
	echo 'void f(){}' > conftest.c
	if test -z "`${CC} -g -c conftest.c 2>&1`"; then
	  CFLAGS=${CFLAGS-"-g -O2"}
	  CXXFLAGS=${CXXFLAGS-"-g -O2"}
	else
	  CFLAGS=${CFLAGS-"-O2"}
	  CXXFLAGS=${CXXFLAGS-"-O2"}
	fi
	rm -f conftest*
	;;
      esac
    fi
  fi

  CXX=${CXX-"c++"}
  CFLAGS=${CFLAGS-"-g"}
  CXXFLAGS=${CXXFLAGS-"-g -O2"}
fi

export CC
export CXX
export CFLAGS
export CXXFLAGS

# FIXME: This should be in configure.in, not configure
case "$host" in
	*go32*)
	    enable_gdbtk=no ;;
	*msdosdjgpp*)
	    enable_gdbtk=no ;;
esac

# FIXME: This should be in configure.in, not configure
# Determine whether gdb needs tk/tcl or not.
if [ "$enable_gdbtk" != "no" ]; then
	GDB_TK="all-tcl all-tk all-itcl all-tix all-libgui"
else
	GDB_TK=""
fi

for subdir in . ${subdirs} ; do

    # ${subdir} is relative path from . to the directory we're currently
    # configuring.
    # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
    invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`

    ### figure out what to do with srcdir
    case "${srcdir}" in
        ".")  # no -srcdir option.  We're building in place.
                makesrcdir=. ;;
        /*) # absolute path
                makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
                ;;
        *) # otherwise relative
                case "${subdir}" in
                .) makesrcdir=${srcdir} ;;
                *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
                esac
                ;;
    esac

    if [ "${subdir}/" != "./" ] ; then
        Makefile=${subdir}/Makefile
    fi

    if [ ! -d ${subdir} ] ; then
        if mkdir ${subdir} ; then
                true
        else
                echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
                exit 1
        fi
    fi

    case "${removing}" in
    "")
        case "${subdir}" in
        .) ;;
        *) eval echo Building in ${subdir} ${redirect} ;;
        esac

        # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
        # Set up the list of links to be made.
        # ${links} is the list of link names, and ${files} is the list of names to link to.

        # Make the links.
        configlinks="${links}"
        if [ -r ${subdir}/config.status ] ; then
                mv -f ${subdir}/config.status ${subdir}/config.back
        fi
        while [ -n "${files}" ] ; do
                # set file to car of files, files to cdr of files
                set ${files}; file=$1; shift; files=$*
                set ${links}; link=$1; shift; links=$*

                if [ ! -r ${srcdir}/${file} ] ; then
                  if [ ! -r ${file} ] ; then
		    
                        echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
                        echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
                        exit 1
		  else
			srcfile=${file}
		  fi
		else
			srcfile=${srcdir}/${file}
                fi

                ${remove} -f ${link}
		# Make a symlink if possible, otherwise try a hard link
		if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
			true
		else
			# We need to re-remove the file because Lynx leaves a 
			# very strange directory there when it fails an NFS symlink.
			${remove} -r -f ${link}
			${hard_link} ${srcfile} ${link}
		fi
                if [ ! -r ${link} ] ; then
                        echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
                        exit 1
                fi

                echo "Linked \"${link}\" to \"${srcfile}\"."
        done

        # Create a .gdbinit file which runs the one in srcdir
        # and tells GDB to look there for source files.

        if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
                case ${srcdir} in
                .) ;;
                *) cat > ${subdir}/.gdbinit <<EOF
# ${NO_EDIT}
dir ${makesrcdir}
dir .
source ${makesrcdir}/.gdbinit
EOF
                        ;;
                esac
        fi

        # Install a makefile, and make it set VPATH
        # if necessary so that the sources are found.
        # Also change its value of srcdir.
        # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
        # been somewhat optimized and is perhaps a bit twisty.

        # code is order so as to try to sed the smallest input files we know.
        # so do these separately because I don't trust the order of sed -e expressions.

        # the five makefile fragments MUST end up in the resulting Makefile in this order: 
        # package macros, target, host, site, and package rules.

        if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then

            # Conditionalize the makefile for this package from "Makefile.in" (or whatever it's called) into Makefile.tem.
            rm -f ${subdir}/${Makefile}.tem
            case "${package_makefile_rules_frag}" in
              "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
              *)
                      if [ ! -f ${package_makefile_rules_frag} ] ; then
                              package_makefile_rules_frag=${srcdir}/${package_makefile_rules_frag}
                      fi
                      if [ -f ${package_makefile_rules_frag} ] ; then
                              sed -e "/^####/  r ${package_makefile_rules_frag}" ${srcdir}/${subdir}/${Makefile_in} > ${Makefile}.tem
                      else
                              echo '***' Expected package makefile rules fragment \"${package_makefile_rules_frag}\" 1>&2
                              echo '***' is missing in ${PWD=`pwd`}. 1>&2
                              cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
                      fi
            esac
            # working copy now in ${Makefile}.tem