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      1 dnl Check for a standard program that has a bin, include and lib directory
      2 dnl 
      3 dnl Parameters:
      4 dnl   $1 - prefix directory to check
      5 dnl   $2 - program name to check
      6 dnl   $3 - header file to check 
      7 dnl   $4 - library file to check 
      8 AC_DEFUN([CHECK_STD_PROGRAM],
      9 [m4_define([allcapsname],translit($2,a-z,A-Z))
     10 if test -n "$1" -a -d "$1" -a -n "$2" -a -d "$1/bin" -a -x "$1/bin/$2" ; then
     11   AC_SUBST([USE_]allcapsname(),["USE_]allcapsname()[ = 1"])
     12   AC_SUBST(allcapsname(),[$1/bin/$2])
     13   AC_SUBST(allcapsname()[_BIN],[$1/bin])
     14   AC_SUBST(allcapsname()[_DIR],[$1])
     15   if test -n "$3" -a -d "$1/include" -a -f "$1/include/$3" ; then 
     16     AC_SUBST(allcapsname()[_INC],[$1/include])
     17   fi
     18   if test -n "$4" -a -d "$1/lib" -a -f "$1/lib/$4" ; then
     19     AC_SUBST(allcapsname()[_LIB],[$1/lib])
     20   fi
     21 fi
     22 ])
     23 
     24 dnl Find a program via --with options, in the path, or well known places
     25 dnl
     26 dnl Parameters:
     27 dnl   $1 - program's executable name
     28 dnl   $2 - header file name to check (optional)
     29 dnl   $3 - library file name to check (optional)
     30 dnl   $4 - alternate (long) name for the program
     31 AC_DEFUN([FIND_STD_PROGRAM],
     32 [m4_define([allcapsname],translit($1,a-z,A-Z))
     33 m4_define([stdprog_long_name],ifelse($4,,translit($1,[ !@#$%^&*()-+={}[]:;"',./?],[-]),translit($4,[ !@#$%^&*()-+={}[]:;"',./?],[-])))
     34 AC_MSG_CHECKING([for ]stdprog_long_name()[ bin/lib/include locations])
     35 AC_ARG_WITH($1,
     36   AS_HELP_STRING([--with-]stdprog_long_name()[=DIR],
     37   [Specify that the ]stdprog_long_name()[ install prefix is DIR]),
     38   $1[pfxdir=$withval],$1[pfxdir=nada])
     39 AC_ARG_WITH($1[-bin],
     40   AS_HELP_STRING([--with-]stdprog_long_name()[-bin=DIR],
     41   [Specify that the ]stdprog_long_name()[ binary is in DIR]),
     42     $1[bindir=$withval],$1[bindir=nada])
     43 AC_ARG_WITH($1[-lib],
     44   AS_HELP_STRING([--with-]stdprog_long_name()[-lib=DIR],
     45   [Specify that ]stdprog_long_name()[ libraries are in DIR]),
     46   $1[libdir=$withval],$1[libdir=nada])
     47 AC_ARG_WITH($1[-inc],
     48   AS_HELP_STRING([--with-]stdprog_long_name()[-inc=DIR],
     49   [Specify that the ]stdprog_long_name()[ includes are in DIR]),
     50   $1[incdir=$withval],$1[incdir=nada])
     51 eval pfxval=\$\{$1pfxdir\}
     52 eval binval=\$\{$1bindir\}
     53 eval incval=\$\{$1incdir\}
     54 eval libval=\$\{$1libdir\}
     55 if test "${pfxval}" != "nada" ; then
     56   CHECK_STD_PROGRAM(${pfxval},$1,$2,$3)
     57 elif test "${binval}" != "nada" ; then
     58   if test "${libval}" != "nada" ; then
     59     if test "${incval}" != "nada" ; then
     60       if test -d "${binval}" ; then
     61         if test -d "${incval}" ; then
     62           if test -d "${libval}" ; then
     63             AC_SUBST(allcapsname(),${binval}/$1)
     64             AC_SUBST(allcapsname()[_BIN],${binval})
     65             AC_SUBST(allcapsname()[_INC],${incval})
     66             AC_SUBST(allcapsname()[_LIB],${libval})
     67             AC_SUBST([USE_]allcapsname(),["USE_]allcapsname()[ = 1"])
     68             AC_MSG_RESULT([found via --with options])
     69           else
     70             AC_MSG_RESULT([failed])
     71             AC_MSG_ERROR([The --with-]$1[-libdir value must be a directory])
     72           fi
     73         else
     74           AC_MSG_RESULT([failed])
     75           AC_MSG_ERROR([The --with-]$1[-incdir value must be a directory])
     76         fi
     77       else
     78         AC_MSG_RESULT([failed])
     79         AC_MSG_ERROR([The --with-]$1[-bindir value must be a directory])
     80       fi
     81     else
     82       AC_MSG_RESULT([failed])
     83       AC_MSG_ERROR([The --with-]$1[-incdir option must be specified])
     84     fi
     85   else
     86     AC_MSG_RESULT([failed])
     87     AC_MSG_ERROR([The --with-]$1[-libdir option must be specified])
     88   fi
     89 else
     90   tmppfxdir=`which $1 2>&1`
     91   if test -n "$tmppfxdir" -a -d "${tmppfxdir%*$1}" -a \
     92           -d "${tmppfxdir%*$1}/.." ; then
     93     tmppfxdir=`cd "${tmppfxdir%*$1}/.." ; pwd`
     94     CHECK_STD_PROGRAM($tmppfxdir,$1,$2,$3)
     95     AC_MSG_RESULT([found in PATH at ]$tmppfxdir)
     96   else
     97     checkresult="yes"
     98     eval checkval=\$\{"USE_"allcapsname()\}
     99     CHECK_STD_PROGRAM([/usr],$1,$2,$3)
    100     if test -z "${checkval}" ; then
    101       CHECK_STD_PROGRAM([/usr/local],$1,$2,$3)
    102       if test -z "${checkval}" ; then
    103         CHECK_STD_PROGRAM([/sw],$1,$2,$3)
    104         if test -z "${checkval}" ; then
    105           CHECK_STD_PROGRAM([/opt],$1,$2,$3)
    106           if test -z "${checkval}" ; then
    107             CHECK_STD_PROGRAM([/],$1,$2,$3)
    108             if test -z "${checkval}" ; then
    109               checkresult="no"
    110             fi
    111           fi
    112         fi
    113       fi
    114     fi
    115     AC_MSG_RESULT($checkresult)
    116   fi
    117 fi
    118 ])
    119