configure.in (make_compare_target): Move test to ...

2003-08-08  Kelley Cook  <kelleycook@wideopenwest.com>

	* configure.in (make_compare_target): Move test to ...
	* aclocal.m4 (gcc_AC_PROG_CMP_IGNORE_INITIAL): here.
	* configure: Regenerate.

From-SVN: r70392

gcc/ChangeLog

+2003-08-12  Kelley Cook  <kelleycook@wideopenwest.com>
+
+	* configure.in (make_compare_target): Move test to ...
+	* aclocal.m4 (gcc_AC_PROG_CMP_IGNORE_INITIAL): here.
+	* configure: Regenerate.
+
 2003-08-12  Richard Sandiford  <rsandifo@redhat.com>
 
 	* config/mips/iris6.h: Convert to C90 prototypes.

gcc/aclocal.m4

@@ -101,6 +101,29 @@ if test x = y ; then
 fi
 ])
 
+dnl 'make compare' can be significantly faster, if cmp itself can
+dnl skip bytes instead of using tail.  The test being performed is
+dnl "if cmp --ignore-initial=2 t1 t2 && ! cmp --ignore-initial=1 t1 t2"
+dnl but we need to sink errors and handle broken shells.
+AC_DEFUN(gcc_AC_PROG_CMP_IGNORE_INITIAL,
+[AC_CACHE_CHECK([for cmp's capabilities], gcc_cv_prog_cmp_skip,
+[ echo abfoo >t1
+  echo cdfoo >t2
+  if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then
+    if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then
+      gcc_cv_prog_cmp_skip=slowcompare
+    else
+      gcc_cv_prog_cmp_skip=gnucompare
+    fi
+  else
+    gcc_cv_prog_cmp_skip=slowcompare
+  fi
+  rm t1 t2
+])
+make_compare_target=$gcc_cv_prog_cmp_skip
+AC_SUBST(make_compare_target)
+])
+
 dnl See if the printf functions in libc support %p in format strings.
 AC_DEFUN(gcc_AC_FUNC_PRINTF_PTR,
 [AC_CACHE_CHECK(whether the printf functions support %p,

gcc/configure.in

@@ -599,6 +599,9 @@ gcc_AC_PROG_LN_S
 AC_PROG_RANLIB
 gcc_AC_PROG_INSTALL
 
+# See if cmp has --ignore-initial.
+gcc_AC_PROG_CMP_IGNORE_INITIAL
+
 # See if we have the mktemp command.
 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
 
@@ -634,27 +637,6 @@ else
   GENERATED_MANPAGES=
 fi
 
-# 'make compare' can be significantly faster, if cmp itself can
-# skip bytes instead of using tail.  The test being performed is
-# "if cmp --ignore-initial=2 t1 t2 && ! cmp --ignore-initial=1 t1 t2"
-# but we need to sink errors and handle broken shells.
-AC_CACHE_CHECK([for cmp's capabilities], gcc_cv_prog_cmp_skip,
-[ echo abfoo >t1
-  echo cdfoo >t2
-  if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then
-    if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then
-      gcc_cv_prog_cmp_skip=slowcompare
-    else
-      gcc_cv_prog_cmp_skip=gnucompare
-    fi
-  else
-    gcc_cv_prog_cmp_skip=slowcompare
-  fi
-  rm t1 t2
-])
-make_compare_target=$gcc_cv_prog_cmp_skip
-AC_SUBST(make_compare_target)
-
 # How about lex?
 dnl Don't use AC_PROG_LEX; we insist on flex.
 dnl LEXLIB is not useful in gcc.