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authorThomas Petazzoni <thomas.petazzoni@free-electrons.com>2015-09-17 15:43:27 +0200
committerOded Gabbay <oded.gabbay@gmail.com>2015-09-20 15:50:04 +0300
commit4297e9058d252cac653723fe0b1bee559fbac3a4 (patch)
treeebcdc098b03bd72777fdcae0ce022d98992a9b6a
parent8189fad9610981d5b4dcd8f8980ff169110fb33c (diff)
test: add a check for FE_DIVBYZERO
Some architectures, such as Microblaze and Nios2, currently do not implement FE_DIVBYZERO, even though they have <fenv.h> and feenableexcept(). This commit adds a configure.ac check to verify whether FE_DIVBYZERO is defined or not, and if not, disables the problematic code in test/utils.c. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Marek Vasut <marex@denx.de> Acked-by: Siarhei Siamashka <siarhei.siamashka@gmail.com> Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
-rw-r--r--configure.ac5
-rw-r--r--test/utils.c2
2 files changed, 7 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index f93cc30f..424bfd34 100644
--- a/configure.ac
+++ b/configure.ac
@@ -891,6 +891,11 @@ if test x$have_feenableexcept = xyes; then
AC_DEFINE(HAVE_FEENABLEEXCEPT, 1, [Whether we have feenableexcept()])
fi
+AC_CHECK_DECL([FE_DIVBYZERO],
+ [AC_DEFINE(HAVE_FEDIVBYZERO, 1, [Whether we have FE_DIVBYZERO])],
+ [],
+ [[#include <fenv.h>]])
+
AC_CHECK_FUNC(gettimeofday, have_gettimeofday=yes, have_gettimeofday=no)
AC_CHECK_HEADER(sys/time.h, have_sys_time_h=yes, have_sys_time_h=no)
if test x$have_gettimeofday = xyes && test x$have_sys_time_h = xyes; then
diff --git a/test/utils.c b/test/utils.c
index 222d4d53..86579669 100644
--- a/test/utils.c
+++ b/test/utils.c
@@ -966,9 +966,11 @@ enable_divbyzero_exceptions (void)
{
#ifdef HAVE_FENV_H
#ifdef HAVE_FEENABLEEXCEPT
+#ifdef HAVE_FEDIVBYZERO
feenableexcept (FE_DIVBYZERO);
#endif
#endif
+#endif
}
void