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-rw-r--r--external/libpng/libpng-osx.patch.116
1 files changed, 16 insertions, 0 deletions
diff --git a/external/libpng/libpng-osx.patch.1 b/external/libpng/libpng-osx.patch.1
new file mode 100644
index 000000000..0e9d7336a
--- /dev/null
+++ b/external/libpng/libpng-osx.patch.1
@@ -0,0 +1,16 @@
+-*- Mode: Diff -*-
+
+Avoid warning: 'inflateValidate' is only available on macOS 10.13 or newer [-Wunguarded-availability-new]
+
+--- a/pngrutil.c
++++ b/pngrutil.c
+@@ -419,7 +419,8 @@
+ }
+
+ #if ZLIB_VERNUM >= 0x1290 && \
+- defined(PNG_SET_OPTION_SUPPORTED) && defined(PNG_IGNORE_ADLER32)
++ defined(PNG_SET_OPTION_SUPPORTED) && defined(PNG_IGNORE_ADLER32) && \
++ !(defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED < 101300)
+ if (((png_ptr->options >> PNG_IGNORE_ADLER32) & 3) == PNG_OPTION_ON)
+ /* Turn off validation of the ADLER32 checksum in IDAT chunks */
+ ret = inflateValidate(&png_ptr->zstream, 0);