X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Ffloorl.m4;h=620781156d560ae412b5172f570abbe223d40101;hb=cda636671de46bd0c60641ac60d6399662d7af2c;hp=ab54d939bd211b19046fa9cdda65d201ee04a11c;hpb=1fd8064a06ed3ca83f73c495e998e66c225e395b;p=gnulib.git

diff --git a/m4/floorl.m4 b/m4/floorl.m4
index ab54d939b..620781156 100644
--- a/m4/floorl.m4
+++ b/m4/floorl.m4
@@ -1,4 +1,4 @@
-# floorl.m4 serial 2
+# floorl.m4 serial 3
 dnl Copyright (C) 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -15,14 +15,18 @@ AC_DEFUN([gl_FUNC_FLOORL],
     dnl Test whether floorl() can be used without libm.
     gl_FUNC_FLOORL_LIBS
     if test "$FLOORL_LIBM" = "?"; then
-      FLOORL_LIBM=
+      dnl Sun C 5.0 on Solaris declares floorl() and has it in the system-wide
+      dnl libm.so, but not in the libm.so that the compiler uses.
+      REPLACE_FLOORL=1
     fi
   else
-    HAVE_DECL_FLOORL=0
+    REPLACE_FLOORL=1
+  fi
+  if test $REPLACE_FLOORL = 1; then
     AC_LIBOBJ([floorl])
     FLOORL_LIBM=
   fi
-  AC_SUBST([HAVE_DECL_FLOORL])
+  AC_SUBST([REPLACE_FLOORL])
   AC_SUBST([FLOORL_LIBM])
 ])
 
@@ -30,8 +34,8 @@ AC_DEFUN([gl_FUNC_FLOORL],
 # Sets FLOORL_LIBM.
 AC_DEFUN([gl_FUNC_FLOORL_LIBS],
 [
-  AC_CACHE_VAL([gl_func_floorl_libm], [
-    gl_func_floorl_libm=?
+  AC_CACHE_VAL([gl_cv_func_floorl_libm], [
+    gl_cv_func_floorl_libm=?
     AC_TRY_LINK([
        #ifndef __NO_MATH_INLINES
        # define __NO_MATH_INLINES 1 /* for glibc */
@@ -39,8 +43,8 @@ AC_DEFUN([gl_FUNC_FLOORL_LIBS],
        #include <math.h>
        long double x;],
       [x = floorl(x);],
-      [gl_func_floorl_libm=])
-    if test "$gl_func_floorl_libm" = "?"; then
+      [gl_cv_func_floorl_libm=])
+    if test "$gl_cv_func_floorl_libm" = "?"; then
       save_LIBS="$LIBS"
       LIBS="$LIBS -lm"
       AC_TRY_LINK([
@@ -50,9 +54,9 @@ AC_DEFUN([gl_FUNC_FLOORL_LIBS],
          #include <math.h>
          long double x;],
         [x = floorl(x);],
-        [gl_func_floorl_libm="-lm"])
+        [gl_cv_func_floorl_libm="-lm"])
       LIBS="$save_LIBS"
     fi
   ])
-  FLOORL_LIBM="$gl_func_floorl_libm"
+  FLOORL_LIBM="$gl_cv_func_floorl_libm"
 ])