floor, floorl: Avoid autoconf warnings

[Bruno Haible]

While creating a testdir
  $ ./gnulib-tool --create-testdir --dir=... --single-configure exp2l expl 
expm1l log10l log1pl log2l logl rintl
I see two autoconf warnings:

executing autoconf
configure.ac:362: warning: AC_REQUIRE: `gl_FUNC_FLOORL' was expanded before it 
was required
configure.ac:362: 
http://www.gnu.org/software/autoconf/manual/autoconf.html#Expanded-Before-Required
glm4/logl.m4:7: gl_FUNC_LOGL is expanded from...
glm4/log10l.m4:7: gl_FUNC_LOG10L is expanded from...
configure.ac:30: gl_INIT is expanded from...
configure.ac:362: the top level
configure.ac:362: warning: AC_REQUIRE: `gl_FUNC_FLOOR' was expanded before it 
was required
configure.ac:362: 
http://www.gnu.org/software/autoconf/manual/autoconf.html#Expanded-Before-Required
glm4/floorl.m4:7: gl_FUNC_FLOORL is expanded from...
glm4/logl.m4:7: gl_FUNC_LOGL is expanded from...
glm4/log10l.m4:7: gl_FUNC_LOG10L is expanded from...
configure.ac:30: gl_INIT is expanded from...
configure.ac:362: the top level

This patch fixes them.


2019-01-20  Bruno Haible  <address@hidden>

        floor, floorl: Avoid autoconf warnings.
        * modules/floor (configure.ac): Use AC_REQUIRE.
        * modules/floorl (configure.ac): Likewise.

diff --git a/modules/floor b/modules/floor
index 2c1cd6a..bd7d90d 100644
--- a/modules/floor
+++ b/modules/floor
@@ -10,7 +10,7 @@ math
 float           [test $REPLACE_FLOOR = 1]
 
 configure.ac:
-gl_FUNC_FLOOR
+AC_REQUIRE([gl_FUNC_FLOOR])
 if test $REPLACE_FLOOR = 1; then
   AC_LIBOBJ([floor])
 fi
diff --git a/modules/floorl b/modules/floorl
index 5f0cc22..e3450f8 100644
--- a/modules/floorl
+++ b/modules/floorl
@@ -13,7 +13,7 @@ floor           [{ test $HAVE_DECL_FLOORL = 0 || test 
$REPLACE_FLOORL = 1; } &&
 float           [{ test $HAVE_DECL_FLOORL = 0 || test $REPLACE_FLOORL = 1; } 
&& test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
 
 configure.ac:
-gl_FUNC_FLOORL
+AC_REQUIRE([gl_FUNC_FLOORL])
 if test $HAVE_DECL_FLOORL = 0 || test $REPLACE_FLOORL = 1; then
   AC_LIBOBJ([floorl])
 fi