Build with -std=c++11 explicitly

This fixes build issues due to the use of modern math functions.

1 files changed, 1 insertions, 0 deletions

diff --git a/PKGBUILD b/PKGBUILD
index 0da4d7cef6d1..066b6934a1c6 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -22,6 +22,7 @@ build() {
     -DCMAKE_INSTALL_PREFIX=/usr \
     -DCMAKE_INSTALL_LIBDIR=lib -D_libdir_set=false \
     -DCMAKE_BUILD_TYPE=Release \
+    -DEXTRA_KERNEL_CXX_FLAGS='-std=c++11' \
     "$srcdir/$pkgname-$pkgver"
   make
 }