Make sure targets are initialized before we do anything, even command line
[llvm/systemz.git] / autoconf / m4 / find_std_program.m4
blobc789df8e641d96e67928ba3c2421692f39448682
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
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