For PR696:
Add checks for ceil, ceilf, floor, and floorf


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25453 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 09f45e8..1ccef0a 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -523,8 +523,8 @@
 dnl===
 dnl===-----------------------------------------------------------------------===
 
-AC_CHECK_FUNCS([backtrace getcwd getpagesize getrusage gettimeofday ])
-AC_CHECK_FUNCS([isatty mkdtemp mkstemp mktemp ])
+AC_CHECK_FUNCS([backtrace ceil ceilf floor floorf getcwd getpagesize getrusage])
+AC_CHECK_FUNCS([gettimeofday isatty mkdtemp mkstemp mktemp ])
 AC_CHECK_FUNCS([realpath sbrk setrlimit strdup strerror strerror_r ])
 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
 AC_C_PRINTF_A
diff --git a/configure b/configure
index fe357b2..9daf472 100755
--- a/configure
+++ b/configure
@@ -27752,7 +27752,10 @@
 
 
 
-for ac_func in backtrace getcwd getpagesize getrusage gettimeofday
+
+
+
+for ac_func in backtrace ceil ceilf floor floorf getcwd getpagesize getrusage
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 echo "$as_me:$LINENO: checking for $ac_func" >&5
@@ -27857,7 +27860,8 @@
 
 
 
-for ac_func in isatty mkdtemp mkstemp mktemp
+
+for ac_func in gettimeofday isatty mkdtemp mkstemp mktemp
 do
 as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
 echo "$as_me:$LINENO: checking for $ac_func" >&5
diff --git a/include/llvm/Config/config.h.in b/include/llvm/Config/config.h.in
index 0a9bffa..2166163 100644
--- a/include/llvm/Config/config.h.in
+++ b/include/llvm/Config/config.h.in
@@ -51,6 +51,12 @@
 /* Does not have bi-directional iterator */
 #undef HAVE_BI_ITERATOR
 
+/* Define to 1 if you have the `ceil' function. */
+#undef HAVE_CEIL
+
+/* Define to 1 if you have the `ceilf' function. */
+#undef HAVE_CEILF
+
 /* Define to 1 if you have the `closedir' function. */
 #undef HAVE_CLOSEDIR
 
@@ -97,6 +103,12 @@
 /* Set to 1 if the finite function is found in <ieeefp.h> */
 #undef HAVE_FINITE_IN_IEEEFP_H
 
+/* Define to 1 if you have the `floor' function. */
+#undef HAVE_FLOOR
+
+/* Define to 1 if you have the `floorf' function. */
+#undef HAVE_FLOORF
+
 /* Does not have forward iterator */
 #undef HAVE_FWD_ITERATOR