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-rw-r--r--ext/fiddle/win32/libffi-3.2.1-cygwin.patch11
1 files changed, 11 insertions, 0 deletions
diff --git a/ext/fiddle/win32/libffi-3.2.1-cygwin.patch b/ext/fiddle/win32/libffi-3.2.1-cygwin.patch
new file mode 100644
index 0000000000..743be274f4
--- /dev/null
+++ b/ext/fiddle/win32/libffi-3.2.1-cygwin.patch
@@ -0,0 +1,11 @@
+--- libffi-3.2.1/src/closures.c 2014-11-08 21:47:24.000000000 +0900
++++ libffi-3.2.1/src/closures.c 2020-05-26 19:09:26.334088215 +0900
+@@ -26,7 +26,7 @@
+ DEALINGS IN THE SOFTWARE.
+ ----------------------------------------------------------------------- */
+
+-#if defined __linux__ && !defined _GNU_SOURCE
++#if (defined __linux__ || defined __CYGWIN__) && !defined _GNU_SOURCE
+ #define _GNU_SOURCE 1
+ #endif
+