source: rtems/aclocal/canonicalize-tools.m4 @ b931d05a

4.104.114.84.9
Last change on this file since b931d05a was b931d05a, checked in by Joel Sherrill <joel.sherrill@…>, on Sep 30, 1998 at 7:51:39 PM

Added Id's.

  • Property mode set to 100644
File size: 2.7 KB
Line 
1dnl
2dnl $Id$
3dnl
4dnl Set target tools
5dnl
6dnl 98/06/23 Ralf Corsepius     (corsepiu@faw.uni-ulm.de)
7dnl             fixing cache/environment variable handling
8dnl             adding checks for cygwin/egcs '\\'-bug
9dnl             adding checks for ranlib/ar -s problem
10dnl
11dnl 98/02/12 Ralf Corsepius     (corsepiu@faw.uni-ulm.de)
12dnl
13
14AC_DEFUN(RTEMS_GCC_PRINT,
15[ case $host_os in
16  *cygwin32*)
17    dnl FIXME: Hack for cygwin/egcs reporting mixed '\\' and '/'
18    dnl        Should be removed once cygwin/egcs reports '/' only
19    $1=`$CC_FOR_TARGET --print-prog-name=$2 | sed -e 's%\\\\%/%g' `
20    ;;
21  *)
22    $1=`$CC_FOR_TARGET --print-prog-name=$2`
23    ;;
24  esac
25])
26
27AC_DEFUN(RTEMS_PATH_TOOL,
28[
29AC_MSG_CHECKING([target's $2])
30AC_CACHE_VAL(ac_cv_path_$1,:)
31AC_MSG_RESULT([$ac_cv_path_$1])
32
33if test -n "$ac_cv_path_$1"; then
34  dnl retrieve the value from the cache
35  $1=$ac_cv_path_$1
36else
37  dnl the cache was not set
38  if test -z "[$]$1" ; then
39    if test "$rtems_cv_prog_gcc" = "yes"; then
40      # We are using gcc, ask it about its tool
41      # NOTE: Necessary if gcc was configured to use the target's
42      # native tools or uses prefixes for gnutools (e.g. gas instead of as)
43      RTEMS_GCC_PRINT($1,$2)
44    fi
45  else
46    # The user set an environment variable.
47    # Check whether it is an absolute path, otherwise AC_PATH_PROG
48    # will override the environment variable, which isn't what the user
49    # intends
50    AC_MSG_CHECKING([whether environment variable $1 is an absolute path])
51    case "[$]$1" in
52    /*) # valid
53      AC_MSG_RESULT("yes")
54    ;;
55    *)  # invalid for AC_PATH_PROG
56      AC_MSG_RESULT("no")
57      AC_MSG_ERROR([***]
58        [Environment variable $1 should ether]
59        [be unset (preferred) or contain an absolute path])
60    ;;
61    esac
62  fi
63
64  AC_PATH_PROG($1,"$program_prefix"$2,$3)
65fi
66])
67
68AC_DEFUN(RTEMS_CANONICALIZE_TOOLS,
69[AC_REQUIRE([RTEMS_PROG_CC])dnl
70
71dnl FIXME: What shall be done if these tools are not available?
72  RTEMS_PATH_TOOL(AR_FOR_TARGET,ar,no)
73  RTEMS_PATH_TOOL(AS_FOR_TARGET,as,no)
74  RTEMS_PATH_TOOL(LD_FOR_TARGET,ld,no)
75  RTEMS_PATH_TOOL(NM_FOR_TARGET,nm,no)
76
77dnl special treatment of ranlib
78  RTEMS_PATH_TOOL(RANLIB_FOR_TARGET,ranlib,no)
79  if test "$RANLIB_FOR_TARGET" = "no"; then
80    # ranlib wasn't found; check if ar -s is available
81    RTEMS_AR_FOR_TARGET_S
82    if test $rtems_cv_AR_FOR_TARGET_S = "yes" ; then
83      dnl override RANLIB_FOR_TARGET's cache
84      ac_cv_path_RANLIB_FOR_TARGET="$AR_FOR_TARGET -s"
85      RANLIB_FOR_TARGET=$ac_cv_path_RANLIB_FOR_TARGET
86    else
87      AC_MSG_ERROR([***]
88        [Can't figure out how to build a library index]
89        [Nether ranlib nor ar -s seem to be available] )
90    fi
91  fi
92
93dnl NOTE: These may not be available if not using gnutools
94  RTEMS_PATH_TOOL(OBJCOPY_FOR_TARGET,objcopy,no)
95  RTEMS_PATH_TOOL(SIZE_FOR_TARGET,size,no)
96])
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