diff --git a/src/gallium/winsys/amdgpu/drm/Makefile.am b/src/gallium/winsys/amdgpu/drm/Makefile.am
index e35fa2cd0a2..1c2ec010fc6 100644
--- a/src/gallium/winsys/amdgpu/drm/Makefile.am
+++ b/src/gallium/winsys/amdgpu/drm/Makefile.am
@@ -4,6 +4,7 @@ include $(top_srcdir)/src/gallium/Automake.inc
 AM_CFLAGS = \
 	$(GALLIUM_WINSYS_CFLAGS) \
 	$(AMDGPU_CFLAGS) \
+	$(LLVM_CFLAGS) \
 	-I$(top_srcdir)/src/amd/
 
 AM_CXXFLAGS = $(AM_CFLAGS)
diff --git a/src/gallium/winsys/amdgpu/drm/meson.build b/src/gallium/winsys/amdgpu/drm/meson.build
index 8b6f69b2bdd..d3282ef412d 100644
--- a/src/gallium/winsys/amdgpu/drm/meson.build
+++ b/src/gallium/winsys/amdgpu/drm/meson.build
@@ -31,5 +31,5 @@ libamdgpuwinsys = static_library(
   c_args : [c_vis_args],
   cpp_args : [cpp_vis_args],
   link_with : libamdgpu_addrlib,
-  dependencies : dep_libdrm_amdgpu,
+  dependencies : [dep_llvm, dep_libdrm_amdgpu],
 )