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authormame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-02-15 01:59:17 +0000
committermame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-02-15 01:59:17 +0000
commitb4b4b9436740997a807f59e0c979520ed4d20311 (patch)
treec900ea7118eb2ae889bef30880bee9c154d1ace5 /gc.c
parent50700c4d3ceded853dac685e7c3671a839f9dec3 (diff)
gc.c: force STACK_GROW_DIRECTION for emscripten
The configure script fails to guess the direction on emscripten. Perhaps this is because of https://github.com/kripken/emscripten/issues/2093 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62410 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'gc.c')
-rw-r--r--gc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/gc.c b/gc.c
index a1e6bc4bc2..ad4cd55b2a 100644
--- a/gc.c
+++ b/gc.c
@@ -3996,6 +3996,11 @@ init_mark_stack(mark_stack_t *stack)
#define STACK_END (ec->machine.stack_end)
#define STACK_LEVEL_MAX (ec->machine.stack_maxsize/sizeof(VALUE))
+#ifdef __EMSCRIPTEN__
+#undef STACK_GROW_DIRECTION
+#define STACK_GROW_DIRECTION 1
+#endif
+
#if STACK_GROW_DIRECTION < 0
# define STACK_LENGTH (size_t)(STACK_START - STACK_END)
#elif STACK_GROW_DIRECTION > 0