fmodl-ieee: Remove support for OSF/1.

* m4/fmodl.m4 (gl_FUNC_FMODL): Don't test against OSF/1 bug.

diff --git a/ChangeLog b/ChangeLog
index 34bd4d30d50c790fcfaafed86aee475e818dbdae..f365e0b502cc00808ec524dd37e4ac51fc2a3505 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2025-09-09  Bruno Haible  <bruno@clisp.org>
 
+       fmodl-ieee: Remove support for OSF/1.
+       * m4/fmodl.m4 (gl_FUNC_FMODL): Don't test against OSF/1 bug.
+
        fmodf-ieee: Remove support for OSF/1.
        * m4/fmodf.m4 (gl_FUNC_FMODF): Don't test against OSF/1 bug.
 

diff --git a/m4/fmodl.m4 b/m4/fmodl.m4
index 88001260912715aa74a25702d88bc60b8c1def06..620520ddf2584d957913fed2ad06966565d43c00 100644 (file)
--- a/m4/fmodl.m4
+++ b/m4/fmodl.m4
@@ -1,5 +1,5 @@
 # fmodl.m4
-# serial 14
+# serial 15
 dnl Copyright (C) 2011-2025 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -34,62 +34,6 @@ AC_DEFUN([gl_FUNC_FMODL],
     if test $ac_cv_have_decl_fmodl = no; then
       REPLACE_FMODL=1
     fi
-    m4_ifdef([gl_FUNC_FMODL_IEEE], [
-      if test $gl_fmodl_required = ieee && test $REPLACE_FMODL = 0; then
-        AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
-        AC_CACHE_CHECK([whether fmodl works according to ISO C 99 with IEC 60559],
-          [gl_cv_func_fmodl_ieee],
-          [
-            saved_LIBS="$LIBS"
-            LIBS="$LIBS $FMODL_LIBM"
-            AC_RUN_IFELSE(
-              [AC_LANG_SOURCE([[
-#ifndef __NO_MATH_INLINES
-# define __NO_MATH_INLINES 1 /* for glibc */
-#endif
-#include <math.h>
-/* Compare two numbers with ==.
-   This is a separate function because IRIX 6.5 "cc -O" miscompiles an
-   'x == x' test.  */
-static int
-numeric_equal (long double x, long double y)
-{
-  return x == y;
-}
-static long double dummy (long double x, long double y) { return 0; }
-int main (int argc, char *argv[])
-{
-  long double (* volatile my_fmodl) (long double, long double) = argc ? fmodl : dummy;
-  long double f;
-  /* Test fmodl(...,0.0L).
-     This test fails on OSF/1 5.1.  */
-  f = my_fmodl (2.0L, 0.0L);
-  if (numeric_equal (f, f))
-    return 1;
-  return 0;
-}
-              ]])],
-              [gl_cv_func_fmodl_ieee=yes],
-              [gl_cv_func_fmodl_ieee=no],
-              [case "$host_os" in
-                                     # Guess yes on glibc systems.
-                 *-gnu* | gnu*)      gl_cv_func_fmodl_ieee="guessing yes" ;;
-                                     # Guess yes on musl systems.
-                 *-musl* | midipix*) gl_cv_func_fmodl_ieee="guessing yes" ;;
-                                     # Guess yes on native Windows.
-                 mingw* | windows*)  gl_cv_func_fmodl_ieee="guessing yes" ;;
-                                     # If we don't know, obey --enable-cross-guesses.
-                 *)                  gl_cv_func_fmodl_ieee="$gl_cross_guess_normal" ;;
-               esac
-              ])
-            LIBS="$saved_LIBS"
-          ])
-        case "$gl_cv_func_fmodl_ieee" in
-          *yes) ;;
-          *) REPLACE_FMODL=1 ;;
-        esac
-      fi
-    ])
   else
     HAVE_FMODL=0
     dnl If the function is declared but does not appear to exist, it may be