-# fmod.m4 serial 2
-dnl Copyright (C) 2011-2012 Free Software Foundation, Inc.
+# fmod.m4 serial 4
+dnl Copyright (C) 2011-2013 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
m4_ifdef([gl_FUNC_FMOD_IEEE], [
if test $gl_fmod_required = ieee && test $REPLACE_FMOD = 0; then
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_CACHE_CHECK([whether fmod works according to ISO C 99 with IEC 60559],
[gl_cv_func_fmod_ieee],
[
]])],
[gl_cv_func_fmod_ieee=yes],
[gl_cv_func_fmod_ieee=no],
- [gl_cv_func_fmod_ieee="guessing no"])
+ [case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_fmod_ieee="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_fmod_ieee="guessing no" ;;
+ esac
+ ])
LIBS="$save_LIBS"
])
case "$gl_cv_func_fmod_ieee" in
])
if test $REPLACE_FMOD = 1; then
dnl Find libraries needed to link lib/fmod.c.
+ AC_REQUIRE([gl_FUNC_FABS])
+ AC_REQUIRE([gl_FUNC_FREXP])
AC_REQUIRE([gl_FUNC_TRUNC])
- AC_REQUIRE([gl_FUNC_FMA])
+ AC_REQUIRE([gl_FUNC_LDEXP])
+ AC_REQUIRE([gl_FUNC_ISNAND])
FMOD_LIBM=
+ dnl Append $FABS_LIBM to FMOD_LIBM, avoiding gratuitous duplicates.
+ case " $FMOD_LIBM " in
+ *" $FABS_LIBM "*) ;;
+ *) FMOD_LIBM="$FMOD_LIBM $FABS_LIBM" ;;
+ esac
+ dnl Append $FREXP_LIBM to FMOD_LIBM, avoiding gratuitous duplicates.
+ case " $FMOD_LIBM " in
+ *" $FREXP_LIBM "*) ;;
+ *) FMOD_LIBM="$FMOD_LIBM $FREXP_LIBM" ;;
+ esac
dnl Append $TRUNC_LIBM to FMOD_LIBM, avoiding gratuitous duplicates.
case " $FMOD_LIBM " in
*" $TRUNC_LIBM "*) ;;
*) FMOD_LIBM="$FMOD_LIBM $TRUNC_LIBM" ;;
esac
- dnl Append $FMA_LIBM to FMOD_LIBM, avoiding gratuitous duplicates.
+ dnl Append $LDEXP_LIBM to FMOD_LIBM, avoiding gratuitous duplicates.
+ case " $FMOD_LIBM " in
+ *" $LDEXP_LIBM "*) ;;
+ *) FMOD_LIBM="$FMOD_LIBM $LDEXP_LIBM" ;;
+ esac
+ dnl Append $ISNAND_LIBM to FMOD_LIBM, avoiding gratuitous duplicates.
case " $FMOD_LIBM " in
- *" $FMA_LIBM "*) ;;
- *) FMOD_LIBM="$FMOD_LIBM $FMA_LIBM" ;;
+ *" $ISNAND_LIBM "*) ;;
+ *) FMOD_LIBM="$FMOD_LIBM $ISNAND_LIBM" ;;
esac
fi
])