#
# Downloads and builds Hiredis: https://github.com/redis/hiredis
#
# The following relevant variables are set:
# HIREDIS_FOUND            - Always true
# HIREDIS_INCLUDE_DIR      - The include directories
# HIREDIS_STATIC_LIBRARIES - The static libraries
# HIREDIS_LIBRARIES        - The libraries to link, same as HIREDIS_STATIC_LIBRARIES
#

set(HIREDIS_REPO "https://github.com/redis/hiredis.git" CACHE STRING "Hiredis Git repository")
set(HIREDIS_TAG "v1.0.2" CACHE STRING "Hiredis Git tag")

message(STATUS "Building hiredis version ${HIREDIS_TAG}")

ExternalProject_add(hiredis
  GIT_REPOSITORY ${HIREDIS_REPO}
  GIT_TAG ${HIREDIS_TAG}
  GIT_SHALLOW TRUE
  SOURCE_DIR ${CMAKE_CURRENT_BINARY_DIR}/hiredis
  CONFIGURE_COMMAND ""
  BUILD_IN_SOURCE 1
  BUILD_COMMAND make USE_SSL=1
# The install command is intentionally left out: for some strange and
# unknown reason it causes the library to be installed as a part of the
# MaxScale package in the location where it would be installed. This is
# definitely not wanted and in addition to that it can break the generated
# package by changing the ownership of home directories to root.
  INSTALL_COMMAND ""
  UPDATE_COMMAND ""
  LOG_OUTPUT_ON_FAILURE 1
  LOG_DOWNLOAD 1
  LOG_UPDATE 1
  LOG_CONFIGURE 1
  LOG_BUILD 1
  LOG_INSTALL 1
  )

set(HIREDIS_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/hiredis CACHE INTERNAL "")
set(HIREDIS_STATIC_LIBRARIES ${CMAKE_CURRENT_BINARY_DIR}/hiredis/libhiredis.a ${CMAKE_CURRENT_BINARY_DIR}/hiredis/libhiredis_ssl.a)
set(HIREDIS_LIBRARIES ${HIREDIS_STATIC_LIBRARIES})
set(HIREDIS_FOUND TRUE)