fi
])
-dnl Locate a program and check that its version is acceptable.
-dnl AC_PROG_CHECK_VER(var, name, version-switch,
-dnl version-extract-regexp, version-glob)
-AC_DEFUN([gcc_AC_CHECK_PROG_VER],
-[AC_REQUIRE([gcc_AC_BUILD_EXEEXT])
-AC_CHECK_PROG([$1], [$2], [$2])
-if test -n "[$]$1"; then
- # Found it, now check the version.
- AC_CACHE_CHECK(for modern $2, gcc_cv_prog_$2_modern,
-[changequote(<<,>>)dnl
- ac_prog_version=`<<$>>$1 $3 2>&1 |
- sed -n 's/^.*patsubst(<<$4>>,/,\/).*$/\1/p'`
-changequote([,])dnl
- echo "configure:__oline__: version of $2 is $ac_prog_version" >&AS_MESSAGE_LOG_FD
-changequote(<<,>>)dnl
- case $ac_prog_version in
- '') gcc_cv_prog_$2_modern=no;;
- <<$5>>)
- gcc_cv_prog_$2_modern=yes;;
- *) gcc_cv_prog_$2_modern=no;;
- esac
-changequote([,])dnl
-])
-else
- gcc_cv_prog_$2_modern=no
-fi
-])
-
dnl Determine if enumerated bitfields are unsigned. ISO C says they can
dnl be either signed or unsigned.
dnl
AC_MSG_ERROR(cannot determine number of bits in a byte)
else
AC_DEFINE_UNQUOTED(CHAR_BIT, $gcc_cv_c_nbby,
- [Define as the number of bits in a byte, if \`limits.h' doesn't.])
+ [Define as the number of bits in a byte, if `limits.h' doesn't.])
fi
fi])
#endif
]))])
-AC_DEFUN([gcc_AC_TOOL_DIRS], [
-# When searching for the assembler or linker, search the same directories
-# that the installed compiler will search. Else we may find the wrong
-# assembler or linker and lose. If we do not find a suitable binary,
-# then try the user's path.
-#
-# Also note we have to check MD_EXEC_PREFIX before checking the user's path.
-if test "x$exec_prefix" = xNONE; then
- if test "x$prefix" = xNONE; then
- gcc_cv_tool_prefix=/usr/local
- else
- gcc_cv_tool_prefix=$prefix
- fi
-else
- gcc_cv_tool_prefix=$exec_prefix
-fi
-
-if test x$host = x$build; then
- gcc_cv_tool_dirs="$gcc_cv_tool_prefix/libexec/gcc/$target_noncanonical/$gcc_version"
- gcc_cv_tool_dirs="$gcc_cv_tool_dirs$PATH_SEPARATOR$gcc_cv_tool_prefix/libexec/gcc/$target_noncanonical"
- gcc_cv_tool_dirs="$gcc_cv_tool_dirs$PATH_SEPARATOR/usr/lib/gcc/$target_noncanonical/$gcc_version"
- gcc_cv_tool_dirs="$gcc_cv_tool_dirs$PATH_SEPARATOR/usr/lib/gcc/$target_noncanonical"
- gcc_cv_tool_dirs="$gcc_cv_tool_dirs$PATH_SEPARATOR$gcc_cv_tool_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version"
- gcc_cv_tool_dirs="$gcc_cv_tool_dirs$PATH_SEPARATOR$gcc_cv_tool_prefix/$target_noncanonical/bin"
-else
- gcc_cv_tool_dirs=
-fi
-
-if test x$build = x$target; then
- # Rummage through tm_files looking for MD_EXEC_PREFIX
- md_dirs=
- for f in ${tm_file_list}; do
- if test -f $f; then
- if grep '^#[ ]*undef[ ]*MD_EXEC_PREFIX' $f > /dev/null; then
- md_dirs=
- fi
- md_dirs="$md_dirs "`sed -n -e 's@^#[ ]*define[ ]*MD_EXEC_PREFIX[ ]*"\(.*\)/"@\1@p' < $f`
- fi
- done
- for f in ${md_dirs}; do
- gcc_cv_tool_dirs="$gcc_cv_tool_dirs$PATH_SEPARATOR$f"
- done
-fi])
-
dnl Make sure that build_exeext is looked for
AC_DEFUN([gcc_AC_BUILD_EXEEXT], [
ac_executable_extensions="$build_exeext"])
-AC_DEFUN([gcc_AC_CHECK_TOOL], [
-AC_REQUIRE([gcc_AC_TOOL_DIRS])
-AC_REQUIRE([gcc_AC_BUILD_EXEEXT])
-
-dnl shut up useless "checking for..." messages
-dnl we can still read them in config.log
-exec AS_MESSAGE_FD([])>/dev/null
-
-# First try the environment variables. Handle full paths or basenames.
-if test "x[$]$1" = x && test -n "[$]$4"; then
- AC_PATH_PROG($1, [$]$4)
-fi
-if test "x[$]$1" = x && test -n "[$]$5" && test x$host = x$target; then
- AC_PATH_PROG($1, [$]$5)
-fi
-
-if test "x[$]$1" = x; then
- # The AC_PATH_PROGS macro doesn't work properly when its 4th argument
- # is empty.
- if test "x$gcc_cv_tool_dirs" = x; then
- $1=
- else
- AC_PATH_PROGS($1, $2, , $gcc_cv_tool_dirs)
- fi
-fi
-if test "x[$]$1" = x; then
- # If the loop above did not find a tool, then use whatever
- # one we can find in the users's path. We are looking for a
- # ${build} -> ${target} tool.
- if test "x$program_prefix" != xNONE; then
- default_tool_name=${program_prefix}$2
- elif test x$build != x$host && test x$build != x$target; then
- default_tool_name=${target_noncanonical}-$2
- else
- default_tool_name=`echo $2 | sed "${program_transform_name}"`
- fi
- AC_PATH_PROGS($1, $default_tool_name,
- $gcc_cv_tool_prefix/bin/$default_tool_name$build_exeext)
-fi
-test "$silent" != yes && exec AS_MESSAGE_FD([])>&1
-
-$3="[$]$1"
-AC_SUBST($3)])
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