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-rw-r--r--depends/patches/qt/freetype_back_compat.patch28
1 files changed, 28 insertions, 0 deletions
diff --git a/depends/patches/qt/freetype_back_compat.patch b/depends/patches/qt/freetype_back_compat.patch
new file mode 100644
index 0000000000..b0f1c98aa6
--- /dev/null
+++ b/depends/patches/qt/freetype_back_compat.patch
@@ -0,0 +1,28 @@
+commit 14bc77db61bf9d56f9b6c8b84aa02573605c19c6
+Author: fanquake <fanquake@gmail.com>
+Date: Tue Aug 18 15:15:08 2020 +0800
+
+ Fix backwards compatibility with older Freetype versions at runtime
+
+ A few years ago, libfreetype introduced FT_Get_Font_Format() as an alias
+ for FT_Get_X11_Font_Format(), but FT_Get_X11_Font_Format() was kept for abi
+ backwards-compatibility.
+
+ Qt 5.9 introduced a call to FT_Get_Font_Format(). Replace it with FT_Get_X11_Font_Format()
+ in order to remain compatibile with older freetype, which is still used by e.g. Ubuntu Trusty.
+
+ See #14348.
+
+diff --git a/qtbase/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp b/qtbase/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
+index 3f543755..8ecc1c8c 100644
+--- a/qtbase/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
++++ b/qtbase/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
+@@ -898,7 +898,7 @@ bool QFontEngineFT::init(FaceId faceId, bool antialias, GlyphFormat format,
+ }
+ }
+ #if defined(FT_FONT_FORMATS_H)
+- const char *fmt = FT_Get_Font_Format(face);
++ const char *fmt = FT_Get_X11_Font_Format(face);
+ if (fmt && qstrncmp(fmt, "CFF", 4) == 0) {
+ FT_Bool no_stem_darkening = true;
+ FT_Error err = FT_Property_Get(qt_getFreetype(), "cff", "no-stem-darkening", &no_stem_darkening);