_Static_assert is the C keyword, the lowercase version is the C++ one.
Add the required configure.ac bits if this is missing.
Signed-off-by: Peter Hutterer <peter.hutte...@who-t.net>
---
configure.ac | 6 ++++++
src/evdev-tablet.c | 2 +-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/configure.ac b/configure.ac
index 8ddc3b6..cfbe024 100644
--- a/configure.ac
+++ b/configure.ac
@@ -60,6 +60,12 @@ AC_CHECK_DECL(CLOCK_MONOTONIC,[],
[AC_MSG_ERROR("CLOCK_MONOTONIC is needed to compile libinput")],
[[#include <time.h>]])
+AC_MSG_CHECKING([whether _Static_assert() is supported])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[_Static_assert(1, "Test");]])],
+ [AC_MSG_RESULT([yes])],
+ [AC_DEFINE(_Static_assert(...), [/* */], [Noop
_Static_assert() replacement])
+ AC_MSG_RESULT([no])])
+
PKG_PROG_PKG_CONFIG()
PKG_CHECK_MODULES(MTDEV, [mtdev >= 1.1.0])
PKG_CHECK_MODULES(LIBUDEV, [libudev])
diff --git a/src/evdev-tablet.c b/src/evdev-tablet.c
index 4e8b920..89340bd 100644
--- a/src/evdev-tablet.c
+++ b/src/evdev-tablet.c
@@ -1187,7 +1187,7 @@ static void
tablet_mark_all_axes_changed(struct tablet_dispatch *tablet,
struct libinput_tablet_tool *tool)
{
- static_assert(sizeof(tablet->changed_axes) ==
+ _Static_assert(sizeof(tablet->changed_axes) ==
sizeof(tool->axis_caps),
"Mismatching array sizes");
--
2.7.4
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