rabbitmq-c: don't pass BUILD_SHARED_LIBS

The BUILD_SHARED_LIBS option is already handled by the cmake-package
infrastructure, so there is no need to pass it at the package level.

Signed-off-by: Jan Heylen <jan.heylen@nokia.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/rabbitmq-c/rabbitmq-c.mk

@@ -13,12 +13,13 @@ RABBITMQ_C_CONF_OPTS = \
 	-DBUILD_API_DOCS=OFF \
 	-DBUILD_TOOLS_DOCS=OFF
 
+# BUILD_SHARED_LIBS is handled in pkg-cmake.mk as it is a generic cmake variable
 ifeq ($(BR2_STATIC_LIBS),y)
-RABBITMQ_C_CONF_OPTS += -DBUILD_SHARED_LIBS=OFF -DBUILD_STATIC_LIBS=ON
+RABBITMQ_C_CONF_OPTS += -DBUILD_STATIC_LIBS=ON
 else ifeq ($(BR2_SHARED_STATIC_LIBS),y)
-RABBITMQ_C_CONF_OPTS += -DBUILD_SHARED_LIBS=ON -DBUILD_STATIC_LIBS=ON
+RABBITMQ_C_CONF_OPTS += -DBUILD_STATIC_LIBS=ON
 else ifeq ($(BR2_SHARED_LIBS),y)
-RABBITMQ_C_CONF_OPTS += -DBUILD_SHARED_LIBS=ON -DBUILD_STATIC_LIBS=OFF
+RABBITMQ_C_CONF_OPTS += -DBUILD_STATIC_LIBS=OFF
 endif
 
 # CMake OpenSSL detection is buggy, and doesn't properly use