MaxScale/cmake/FindRabbitMQ.cmake
Markus Makela f441f72b75 Added support for librabbitmq-c 0.6.0 and newer
The 0.6.0 version of librabbitmq-c added two parameters to amqp_exchange_declare
which allow auto-deleted and internal exchanges. This change requires more
advanced version detection so that code could be conditionally compiled for
newer versions of the library.
2015-11-27 12:21:19 +02:00

52 lines
1.9 KiB
CMake

# This CMake file tries to find the the RabbitMQ 0.5 library
# The following variables are set:
# RABBITMQ_FOUND - System has RabbitMQ client
# RABBITMQ_LIBRARIES - The RabbitMQ client library
# RABBITMQ_HEADERS - The RabbitMQ client headers
include(CheckCSourceCompiles)
find_library(RABBITMQ_LIBRARIES NAMES rabbitmq)
find_path(RABBITMQ_HEADERS amqp.h)
if(${RABBITMQ_LIBRARIES} MATCHES "NOTFOUND")
set(RABBITMQ_FOUND FALSE CACHE INTERNAL "")
message(STATUS "RabbitMQ library not found.")
unset(RABBITMQ_LIBRARIES)
else()
set(RABBITMQ_FOUND TRUE CACHE INTERNAL "")
endif()
if(RABBITMQ_FOUND)
set(CMAKE_REQUIRED_INCLUDES ${RABBITMQ_HEADERS})
check_c_source_compiles("#include <amqp.h>\n int main(){if(AMQP_DELIVERY_PERSISTENT){return 0;}return 1;}" HAVE_RABBITMQ50)
if(HAVE_RABBITMQ50)
execute_process(COMMAND grep "#define *AMQP_VERSION_MAJOR" "${RABBITMQ_HEADERS}/amqp.h"
COMMAND sed -e "s/.* //"
OUTPUT_VARIABLE AMQP_VERSION_MAJOR
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND grep "#define *AMQP_VERSION_MINOR" "${RABBITMQ_HEADERS}/amqp.h"
COMMAND sed -e "s/.* //"
OUTPUT_VARIABLE AMQP_VERSION_MINOR
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND grep "#define *AMQP_VERSION_PATCH" "${RABBITMQ_HEADERS}/amqp.h"
COMMAND sed -e "s/.* //"
OUTPUT_VARIABLE AMQP_VERSION_PATCH
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(AMQP_VERSION "${AMQP_VERSION_MAJOR}.${AMQP_VERSION_MINOR}.${AMQP_VERSION_PATCH}")
if(NOT "${AMQP_VERSION}" VERSION_LESS "0.6.0")
add_definitions(-DRABBITMQ_060)
endif()
message(STATUS "Found RabbitMQ version ${AMQP_VERSION}: ${RABBITMQ_LIBRARIES}")
message(STATUS "Found RabbitMQ development headers at: ${RABBITMQ_HEADERS}")
else()
message(WARNING "RabbitMQ-C library does not have AMQP_DELIVERY_PERSISTENT. Version 0.5 or newer is required but version ${AMQP_VERSION} was found.")
endif()
endif()