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1dnl Check for a standard program that has a bin, include and lib directory
2dnl
3dnl Parameters:
4dnl   $1 - prefix directory to check
5dnl   $2 - program name to check
6dnl   $3 - header file to check
7dnl   $4 - library file to check
8AC_DEFUN([CHECK_STD_PROGRAM],
9[m4_define([allcapsname],translit($2,a-z,A-Z))
10if 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
21fi
22])
23
24dnl Find a program via --with options, in the path, or well known places
25dnl
26dnl Parameters:
27dnl   $1 - program's executable name
28dnl   $2 - header file name to check (optional)
29dnl   $3 - library file name to check (optional)
30dnl   $4 - alternate (long) name for the program
31AC_DEFUN([FIND_STD_PROGRAM],
32[m4_define([allcapsname],translit($1,a-z,A-Z))
33m4_define([stdprog_long_name],ifelse($4,,translit($1,[ !@#$%^&*()-+={}[]:;"',./?],[-]),translit($4,[ !@#$%^&*()-+={}[]:;"',./?],[-])))
34AC_MSG_CHECKING([for ]stdprog_long_name()[ bin/lib/include locations])
35AC_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])
39AC_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])
43AC_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])
47AC_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])
51eval pfxval=\$\{$1pfxdir\}
52eval binval=\$\{$1bindir\}
53eval incval=\$\{$1incdir\}
54eval libval=\$\{$1libdir\}
55if test "${pfxval}" != "nada" ; then
56  CHECK_STD_PROGRAM(${pfxval},$1,$2,$3)
57elif test "${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
89else
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
117fi
118])
119