This patch removes obsolete AC_CHECK_TOOL_PREFIX.
It has been confirmed that AC_CHECK_TOOL_PREFIX is defined as NOP in
GNU 'autoconf' 2.69 [1], so we can safely remove it.
The 'configure' file has been deleted one blank line by the 'autoconf'
2.69 command .
[1] autoconf-2.69/share/autoconf/autoconf/programs.m4
181 # AC_CHECK_TOOL_PREFIX
182 # --------------------
183 AU_DEFUN([AC_CHECK_TOOL_PREFIX])
fi
# These programs are version sensitive.
-
for ac_prog in gnumake gmake make
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
fi
# These programs are version sensitive.
-AC_CHECK_TOOL_PREFIX
AC_CHECK_PROG_VER(MAKE, gnumake gmake make, --version,
[GNU Make[^0-9]*\([0-9][0-9.]*\)],
[[4-9].* | [1-9][0-9]*], critic_missing="$critic_missing make")