diff --git a/community/openshadinglanguage/PKGBUILD b/community/openshadinglanguage/PKGBUILD
index 6c449bd85..d37d1364d 100644
--- a/community/openshadinglanguage/PKGBUILD
+++ b/community/openshadinglanguage/PKGBUILD
@@ -7,7 +7,7 @@
 
 pkgname=openshadinglanguage
 pkgver=1.7.2
-pkgrel=1
+pkgrel=2
 pkgdesc="Advanced shading language for production GI renderers"
 arch=(i686 x86_64)
 url="https://github.com/imageworks/OpenShadingLanguage"
@@ -43,7 +43,11 @@ build() {
     -DLLVM_STATIC=1 ${BITCODE} \
     -DSTOP_ON_WARNING=0 \
     -DOSL_BUILD_CPP11=1 \
-    -DCMAKE_CXX_FLAGS="-Wno-error=array-bounds -Wno-error=sign-compare -std=c++11"
+    -DCMAKE_CXX_FLAGS="\
+      -Wno-error=array-bounds \
+      -Wno-error=sign-compare \
+      -Wno-error=strict-aliasing \
+      -Wno-error=misleading-indentation"
   make
 }