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[packages/trusty/cirros-testvm.git] / cirros-testvm / src-cirros / buildroot-2015.05 / package / pixman / 0001-check-fe-divbyzero.patch

diff --git a/cirros-testvm/src-cirros/buildroot-2015.05/package/pixman/0001-check-fe-divbyzero.patch b/cirros-testvm/src-cirros/buildroot-2015.05/package/pixman/0001-check-fe-divbyzero.patch
new file mode 100644 (file)
index 0000000..01c6c96
--- /dev/null
+++ b/cirros-testvm/src-cirros/buildroot-2015.05/package/pixman/0001-check-fe-divbyzero.patch
@@ -0,0 +1,41 @@
+Add a check for FE_DIVBYZERO
+
+Some architectures (namely Microblaze) do have fenv.h and
+feenableexcept, but they don't have the FE_DIVBYZERO definition. This
+patch adds a configure check for FE_DIVBYZERO, and only uses it if
+it's available.
+
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+
+Index: b/configure.ac
+===================================================================
+--- a/configure.ac
++++ b/configure.ac
+@@ -838,6 +838,11 @@
+    AC_DEFINE(HAVE_FEENABLEEXCEPT, 1, [Whether we have feenableexcept()])
+ fi
+ 
++AC_CHECK_DECL([FE_DIVBYZERO], [], [], [[#include <fenv.h>]])
++if test x$ac_cv_have_decl_FE_DIVBYZERO = xyes; then
++   AC_DEFINE(HAVE_FEDIVBYZERO, 1, [Whether we have FE_DIVBYZERO])
++fi
++
+ AC_CHECK_FUNC(gettimeofday, have_gettimeofday=yes, have_gettimeofday=no)
+ AC_CHECK_HEADER(sys/time.h, have_sys_time_h=yes, have_sys_time_h=no)
+ if test x$have_gettimeofday = xyes && test x$have_sys_time_h = xyes; then
+Index: b/test/utils.c
+===================================================================
+--- a/test/utils.c
++++ b/test/utils.c
+@@ -776,9 +776,11 @@
+ {
+ #ifdef HAVE_FENV_H
+ #ifdef HAVE_FEENABLEEXCEPT
++#ifdef HAVE_FE_DIVBYZERO
+     feenableexcept (FE_DIVBYZERO);
+ #endif
+ #endif
++#endif
+ }
+ 
+ void *