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chromium: fix gcc8 alignof issue on i686 (via Fedora)

This commit is contained in:
Alessio Sergi 2018-09-29 10:54:39 +02:00
parent ecd0bc1b2e
commit 861eaf0609
2 changed files with 17 additions and 4 deletions
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17
srcpkgs/chromium/patches/gcc8-alignof.patch Normal file
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@ -0,0 +1,17 @@
--- mojo/public/c/system/macros.h.orig 2018-09-06 10:11:54.336432699 -0400
+++ mojo/public/c/system/macros.h 2018-09-06 10:13:56.555727572 -0400
@@ -27,7 +27,13 @@
(sizeof(void*) == 4 ? 32 : 0)
// 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)

4
srcpkgs/chromium/template
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@ -18,10 +18,6 @@ nopie=yes # contains tools that are not PIE, enables PIE itself
build_options="clang"
desc_option_clang="Use clang to build"
case $XBPS_TARGET_MACHINE in
i686) build_options_default+=" clang" ;;
esac
hostmakedepends="$(vopt_if clang clang) yasm python pkg-config perl gperf bison ninja nodejs hwids
libatomic-devel libevent-devel libglib-devel"
makedepends="libpng-devel gtk+-devel gtk+3-devel nss-devel pciutils-devel