------- Comment #11 from aldot at gcc dot gnu dot org 2008-06-24 11:21 -------
libdecnumber hunk could look like this:
Index: libdecnumber/configure.ac
===================================================================
--- libdecnumber/configure.ac (revision 137059)
+++ libdecnumber/configure.ac (working copy)
@@ -49,6 +49,7 @@ ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual]
# Checks for header files.
AC_CHECK_HEADERS(ctype.h stddef.h string.h stdio.h)
+AC_CHECK_HEADER([fenv.h],[],[libdecnumber_cv_fenv=no])
GCC_HEADER_STDINT(gstdint.h)
# Checks for typedefs, structures, and compiler characteristics.
@@ -99,10 +100,13 @@ Valid choices are 'yes', 'bid', 'dpd', a
esac
])
+if test x$libdecnumber_cv_fenv = xno; then
+ enable_decimal_float=no
+elif test x$enable_decimal_float = xyes -o x$enable_decimal_float = xno; then
# x86's use BID format instead of DPD
# In theory --enable-decimal-float=no should not compile anything
# For the sake of simplicity, just use the default format in this directory
-if test x$enable_decimal_float = xyes -o x$enable_decimal_float = xno; then
+
case $target in
i?86*-*-linux* | x86_64*-*-linux*)
enable_decimal_float=bid
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34484
