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-rw-r--r--libraries/qt5/patches/qtwebengine-5.9.6-gcc8.patch24
1 files changed, 24 insertions, 0 deletions
diff --git a/libraries/qt5/patches/qtwebengine-5.9.6-gcc8.patch b/libraries/qt5/patches/qtwebengine-5.9.6-gcc8.patch
new file mode 100644
index 0000000000..ba6a49fd74
--- /dev/null
+++ b/libraries/qt5/patches/qtwebengine-5.9.6-gcc8.patch
@@ -0,0 +1,24 @@
+From: Fedora
+Subject: Fix build for 32-bit platforms
+
+Apparently not upstream, can't find this anywhere. So I assume Fedora is the actual source?
+https://src.fedoraproject.org/cgit/rpms/chromium.git/tree/chromium-66.0.3359.170-gcc8-alignof.patch
+
+diff -up chromium-66.0.3359.170/src/3rdparty/chromium/mojo/public/c/system/macros.h.gcc8-alignof chromium-66.0.3359.170/src/3rdparty/chromium/mojo/public/c/system/macros.h
+--- a/src/3rdparty/chromium/mojo/public/c/system/macros.h 2018-05-15 14:58:46.448912634 -0400
++++ b/src/3rdparty/chromium/mojo/public/c/system/macros.h 2018-05-15 14:58:52.041784613 -0400
+@@ -18,7 +18,13 @@
+ #endif
+
+ // Like the C++11 |alignof| operator.
+-#if __cplusplus >= 201103L
++#if defined(__GNUC__) && __GNUC__ >= 8
++// GCC 8 has changed the alignof operator to return the minimal alignment
++// required by the target ABI, instead of the preferred alignment.
++// This means that on 32-bit x86, it will return 4 instead of 8.
++// Use __alignof__ instead to avoid this.
++#define MOJO_ALIGNOF(type) __alignof__(type)
++#elif __cplusplus >= 201103L
+ #define MOJO_ALIGNOF(type) alignof(type)
+ #elif defined(__GNUC__)
+ #define MOJO_ALIGNOF(type) __alignof__(type)