init.sh: correct an outdated comment

[pspp] / m4 / ceilf.m4

diff --git a/m4/ceilf.m4 b/m4/ceilf.m4
index 72a9da479751f5fa85e471fb6884e531b21c3036..a33b9aa7e6ca6ca2da943db7fd1203d97f75cc0f 100644 (file)
--- a/m4/ceilf.m4
+++ b/m4/ceilf.m4
@@ -1,4 +1,4 @@
-# ceilf.m4 serial 5
+# ceilf.m4 serial 7
 dnl Copyright (C) 2007, 2009-2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -20,9 +20,9 @@ AC_DEFUN([gl_FUNC_CEILF],
       REPLACE_CEILF=1
     fi
   else
-    REPLACE_CEILF=1
+    HAVE_DECL_CEILF=0
   fi
-  if test $REPLACE_CEILF = 1; then
+  if test $HAVE_DECL_CEILF = 0 || test $REPLACE_CEILF = 1; then
     AC_LIBOBJ([ceilf])
     CEILF_LIBM=
   fi
@@ -35,24 +35,26 @@ AC_DEFUN([gl_FUNC_CEILF_LIBS],
 [
   gl_CACHE_VAL_SILENT([gl_cv_func_ceilf_libm], [
     gl_cv_func_ceilf_libm=?
-    AC_TRY_LINK([
-       #ifndef __NO_MATH_INLINES
-       # define __NO_MATH_INLINES 1 /* for glibc */
-       #endif
-       #include <math.h>
-       float x;],
-      [x = ceilf(x);],
+    AC_LINK_IFELSE(
+      [AC_LANG_PROGRAM(
+         [[#ifndef __NO_MATH_INLINES
+           # define __NO_MATH_INLINES 1 /* for glibc */
+           #endif
+           #include <math.h>
+           float x;]],
+         [[x = ceilf(x);]])],
       [gl_cv_func_ceilf_libm=])
     if test "$gl_cv_func_ceilf_libm" = "?"; then
       save_LIBS="$LIBS"
       LIBS="$LIBS -lm"
-      AC_TRY_LINK([
-         #ifndef __NO_MATH_INLINES
-         # define __NO_MATH_INLINES 1 /* for glibc */
-         #endif
-         #include <math.h>
-         float x;],
-        [x = ceilf(x);],
+      AC_LINK_IFELSE(
+        [AC_LANG_PROGRAM(
+           [[#ifndef __NO_MATH_INLINES
+             # define __NO_MATH_INLINES 1 /* for glibc */
+             #endif
+             #include <math.h>
+             float x;]],
+           [[x = ceilf(x);]])],
         [gl_cv_func_ceilf_libm="-lm"])
       LIBS="$save_LIBS"
     fi