Update s390_features.c for DFP.
Add a testcase.
Patch by Maran (maranp@linux.vnet.ibm.com).
Part of fixing BZ 307113.
See also VEX r2560.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13120 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/configure.in b/configure.in
index b385aed..077ad37 100644
--- a/configure.in
+++ b/configure.in
@@ -1220,6 +1220,21 @@
AM_CONDITIONAL(HAS_DFP, test x$ac_asm_have_dfp = xyes -a x$ac_gcc_have_dfp = xyes)
+AC_MSG_CHECKING([that compiler knows DFP datatypes])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+]], [[
+ _Decimal64 x = 0.0DD;
+]])], [
+ac_gcc_have_dfp_type=yes
+AC_MSG_RESULT([yes])
+], [
+ac_gcc_have_dfp_type=no
+AC_MSG_RESULT([no])
+])
+
+AM_CONDITIONAL(BUILD_DFP_TESTS, test x$ac_gcc_have_dfp_type = xyes)
+
+
# Check for pthread_create@GLIBC2.0
AC_MSG_CHECKING([for pthread_create@GLIBC2.0()])