From 1ac343bd8074aa5df1cfd93c2d031ca079e841a7 Mon Sep 17 00:00:00 2001 From: Karl Palsson Date: Thu, 25 Jan 2018 15:11:46 +0000 Subject: [PATCH] luaposix: musl compatibility with XOPEN_REALTIME musl-libc doesn't define _XOPEN_REALTIME as it doesn't implement the full set of the realtime operations. However, it _does_ implement POSIX_TIMERS, which is what luaposix _should_ be checking for in the posix.time module. I've filed https://github.com/luaposix/luaposix/issues/295 to track this upstream, but this is a simpler, verified fix for our older version of luaposix. This restores functions like posix.time.clock_gettime(CLOCK_MONOTONIC) for instance, which was available with pre-musl builds of luaposix. Signed-off-by: Karl Palsson --- lang/luaposix/Makefile | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lang/luaposix/Makefile b/lang/luaposix/Makefile index abc1e52bbe..92ff86d0e5 100644 --- a/lang/luaposix/Makefile +++ b/lang/luaposix/Makefile @@ -44,6 +44,9 @@ CONFIGURE_VARS += ac_cv_path_LDOC="true" TARGET_CFLAGS += -DLUA_USE_LINUX $(FPIC) -std=gnu99 ifeq ($(CONFIG_USE_MUSL),y) TARGET_CFLAGS += -D_POSIX_PRIORITY_SCHEDULING + # Musl doesn't do all of XOPEN_REALTIME, but it does for luaposix. + # see https://github.com/luaposix/luaposix/issues/295 + TARGET_CFLAGS += -D_XOPEN_REALTIME=1 endif ifneq ($(CONFIG_USE_GLIBC),)