[Mesa-dev] [PATCH] Android: Fix LLVM duplicated symbols linking for N and M

[Rob Herring]

Both statically linking libLLVMCore and dynamically linking libLLVM causes
duplicated symbols in gallium_dri.so and it fails to dlopen. We don't
really need to link libLLVMCore, but just need generated headers to be
built first. Dynamically linking to libLLVM instead is enough to do
that. Thanks to Qiang Yu for finding the root cause.

With this change, we can align all versions and just have libLLVM as a
shared lib dependency.

This also requires changes in the M and N versions of LLVM to export the
include paths for libLLVM. AOSP master is okay.

Fixes: 26aee6f4d5a ("Android: rework LLVM build support")
Reported-by: Mauro Rossi <issor.oruam at gmail.com>
Cc: Emil Velikov <emil.l.velikov at gmail.com>
Cc: 17.2 <mesa-stable at lists.freedesktop.org>
Signed-off-by: Qiang Yu <Qiang.Yu at amd.com>
Signed-off-by: Rob Herring <robh at kernel.org>
---
 Android.mk                              | 12 ++++--------
 src/amd/Android.common.mk               |  4 +---
 src/gallium/drivers/radeon/Android.mk   |  2 +-
 src/gallium/drivers/radeonsi/Android.mk |  2 +-
 4 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/Android.mk b/Android.mk
index 6571161c8783..dc4041364551 100644
--- a/Android.mk
+++ b/Android.mk
@@ -92,16 +92,12 @@ define mesa-build-with-llvm
   $(if $(filter $(MESA_ANDROID_MAJOR_VERSION), 4 5), \
     $(warning Unsupported LLVM version in Android $(MESA_ANDROID_MAJOR_VERSION)),) \
   $(if $(filter 6,$(MESA_ANDROID_MAJOR_VERSION)), \
-    $(eval LOCAL_CFLAGS += -DHAVE_LLVM=0x0307 -DMESA_LLVM_VERSION_PATCH=0) \
-    $(eval LOCAL_STATIC_LIBRARIES += libLLVMCore) \
-    $(eval LOCAL_C_INCLUDES += external/llvm/include external/llvm/device/include),) \
+    $(eval LOCAL_CFLAGS += -DHAVE_LLVM=0x0307 -DMESA_LLVM_VERSION_PATCH=0),) \
   $(if $(filter 7,$(MESA_ANDROID_MAJOR_VERSION)), \
-    $(eval LOCAL_CFLAGS += -DHAVE_LLVM=0x0308 -DMESA_LLVM_VERSION_PATCH=0) \
-    $(eval LOCAL_STATIC_LIBRARIES += libLLVMCore) \
-    $(eval LOCAL_C_INCLUDES += external/llvm/include external/llvm/device/include),) \
+    $(eval LOCAL_CFLAGS += -DHAVE_LLVM=0x0308 -DMESA_LLVM_VERSION_PATCH=0),) \
   $(if $(filter O,$(MESA_ANDROID_MAJOR_VERSION)), \
-    $(eval LOCAL_CFLAGS += -DHAVE_LLVM=0x0309 -DMESA_LLVM_VERSION_PATCH=0) \
-    $(eval LOCAL_HEADER_LIBRARIES += llvm-headers),)
+    $(eval LOCAL_CFLAGS += -DHAVE_LLVM=0x0309 -DMESA_LLVM_VERSION_PATCH=0),) \
+  $(eval LOCAL_SHARED_LIBRARIES += libLLVM)
 endef
 
 # add subdirectories
diff --git a/src/amd/Android.common.mk b/src/amd/Android.common.mk
index 7d08bfd31d79..4e2d0f9c2ffa 100644
--- a/src/amd/Android.common.mk
+++ b/src/amd/Android.common.mk
@@ -55,9 +55,7 @@ LOCAL_C_INCLUDES := \
 	$(call generated-sources-dir-for,STATIC_LIBRARIES,libmesa_nir,,)/nir \
 	$(MESA_TOP)/src/gallium/include \
 	$(MESA_TOP)/src/gallium/auxiliary \
-	$(intermediates)/common \
-	external/llvm/include \
-	external/llvm/device/include
+	$(intermediates)/common
 
 LOCAL_EXPORT_C_INCLUDE_DIRS := \
 	$(LOCAL_PATH)/common
diff --git a/src/gallium/drivers/radeon/Android.mk b/src/gallium/drivers/radeon/Android.mk
index eb1a32182bb0..c2d3a1cbce60 100644
--- a/src/gallium/drivers/radeon/Android.mk
+++ b/src/gallium/drivers/radeon/Android.mk
@@ -30,7 +30,7 @@ include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := $(C_SOURCES)
 
-LOCAL_SHARED_LIBRARIES := libdrm_radeon libLLVM
+LOCAL_SHARED_LIBRARIES := libdrm_radeon
 LOCAL_MODULE := libmesa_pipe_radeon
 
 ifeq ($(MESA_ENABLE_LLVM),true)
diff --git a/src/gallium/drivers/radeonsi/Android.mk b/src/gallium/drivers/radeonsi/Android.mk
index 65661a5ea7a5..e72b80c4e807 100644
--- a/src/gallium/drivers/radeonsi/Android.mk
+++ b/src/gallium/drivers/radeonsi/Android.mk
@@ -41,7 +41,7 @@ LOCAL_C_INCLUDES := \
 
 LOCAL_STATIC_LIBRARIES := libmesa_amd_common
 
-LOCAL_SHARED_LIBRARIES := libdrm_radeon libLLVM
+LOCAL_SHARED_LIBRARIES := libdrm_radeon
 LOCAL_MODULE := libmesa_pipe_radeonsi
 
 intermediates := $(call local-generated-sources-dir)
-- 
2.11.0