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dnl
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dnl $Id: canonicalize-tools.m4,v 1.2 2001-09-27 11:59:11 chris Exp $
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dnl
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dnl Set target tools
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dnl
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dnl 98/06/23 Ralf Corsepius (corsepiu@faw.uni-ulm.de)
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dnl fixing cache/environment variable handling
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dnl adding checks for cygwin/egcs '\\'-bug
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dnl adding checks for ranlib/ar -s problem
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dnl
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dnl 98/02/12 Ralf Corsepius (corsepiu@faw.uni-ulm.de)
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dnl
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AC_DEFUN(RTEMS_GCC_PRINT,
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[
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$1=`$CC_FOR_TARGET --print-prog-name=$2`
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])
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AC_DEFUN(RTEMS_PATH_TOOL,
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[
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AC_MSG_CHECKING([target's $2])
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AC_CACHE_VAL(ac_cv_path_$1,:)
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AC_MSG_RESULT([$ac_cv_path_$1])
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if test -n "$ac_cv_path_$1"; then
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dnl retrieve the value from the cache
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$1=$ac_cv_path_$1
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else
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dnl the cache was not set
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if test -z "[$]$1" ; then
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if test "$rtems_cv_prog_gcc" = "yes"; then
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# We are using gcc, ask it about its tool
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# NOTE: Necessary if gcc was configured to use the target's
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# native tools or uses prefixes for gnutools (e.g. gas instead of as)
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RTEMS_GCC_PRINT($1,$2)
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fi
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else
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# The user set an environment variable.
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# Check whether it is an absolute path, otherwise AC_PATH_PROG
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# will override the environment variable, which isn't what the user
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# intends
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AC_MSG_CHECKING([whether environment variable $1 is an absolute path])
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case "[$]$1" in
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/*) # valid
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AC_MSG_RESULT("yes")
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;;
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*) # invalid for AC_PATH_PROG
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AC_MSG_RESULT("no")
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AC_MSG_ERROR([***]
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[Environment variable $1 should either]
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[be unset (preferred) or contain an absolute path])
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;;
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esac
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fi
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AC_PATH_PROG($1,"$program_prefix"$2,$3)
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fi
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])
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AC_DEFUN(RTEMS_CANONICALIZE_TOOLS,
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[AC_REQUIRE([RTEMS_PROG_CC])dnl
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dnl FIXME: What shall be done if these tools are not available?
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RTEMS_PATH_TOOL(AR_FOR_TARGET,ar,no)
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RTEMS_PATH_TOOL(AS_FOR_TARGET,as,no)
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RTEMS_PATH_TOOL(LD_FOR_TARGET,ld,no)
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RTEMS_PATH_TOOL(NM_FOR_TARGET,nm,no)
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dnl special treatment of ranlib
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RTEMS_PATH_TOOL(RANLIB_FOR_TARGET,ranlib,no)
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if test "$RANLIB_FOR_TARGET" = "no"; then
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# ranlib wasn't found; check if ar -s is available
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RTEMS_AR_FOR_TARGET_S
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if test $rtems_cv_AR_FOR_TARGET_S = "yes" ; then
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dnl override RANLIB_FOR_TARGET's cache
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ac_cv_path_RANLIB_FOR_TARGET="$AR_FOR_TARGET -s"
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RANLIB_FOR_TARGET=$ac_cv_path_RANLIB_FOR_TARGET
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else
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AC_MSG_ERROR([***]
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[Can't figure out how to build a library index]
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[Neither ranlib nor ar -s seem to be available] )
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fi
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fi
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dnl NOTE: These may not be available if not using gnutools
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RTEMS_PATH_TOOL(OBJCOPY_FOR_TARGET,objcopy,no)
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RTEMS_PATH_TOOL(SIZE_FOR_TARGET,size,no)
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RTEMS_PATH_TOOL(STRIP_FOR_TARGET,strip,no)
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])
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