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-rw-r--r--ext/json/ext/generator/generator.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/ext/json/ext/generator/generator.c b/ext/json/ext/generator/generator.c
index 97b06e983f..b8a1ea16d1 100644
--- a/ext/json/ext/generator/generator.c
+++ b/ext/json/ext/generator/generator.c
@@ -6,6 +6,10 @@
#include <string.h>
#include <math.h>
+#ifdef HAVE_IEEEFP_H
+#include <ieeefp.h>
+#endif
+
#define check_max_nesting(state, depth) do { \
long current_nesting = 1 + depth; \
if (state->max_nesting != 0 && current_nesting > state->max_nesting) \