From 5ecfe168dc606418033cf120f72ce70832a6dcd2 Mon Sep 17 00:00:00 2001 From: Andrew Maclean Date: Thu, 8 Jul 2010 09:49:15 +1000 Subject: [PATCH] Adding a FindPostgreSQL.cmake module --- Modules/FindPostgreSQL.cmake | 167 +++++++++++++++++++++++++++++++++++ 1 file changed, 167 insertions(+) create mode 100644 Modules/FindPostgreSQL.cmake diff --git a/Modules/FindPostgreSQL.cmake b/Modules/FindPostgreSQL.cmake new file mode 100644 index 000000000..f6afedb5f --- /dev/null +++ b/Modules/FindPostgreSQL.cmake @@ -0,0 +1,167 @@ +# Find the PostgreSQL installation. +# +# ---------------------------------------------------------------------------- +# Usage: +# In your CMakeLists.txt file do something like this: +# ... +# # PostgreSQL +# FIND_PACKAGE(PostgreSQL) +# ... +# if( PostgreSQL_FOUND ) +# include_directories(${PostgreSQL_INCLUDE_DIRS}) +# link_directories(${PostgreSQL_LIBRARY_DIRS}) +# endif( PostgreSQL_FOUND ) +# ... +# Remember to include ${PostgreSQL_LIBRARIES} in the target_link_libraries() statement. +# +# +# In Windows, we make the assumption that, if the PostgreSQL files are installed, the default directory +# will be C:\Program Files\PostgreSQL. +# +# ---------------------------------------------------------------------------- +# History: +# This module is derived from the module originally found in the VTK source tree. +# +# ---------------------------------------------------------------------------- +# Note: +# PostgreSQL_ADDITIONAL_VERSIONS is a variable that can be used to set the +# version mumber of the implementation of PostgreSQL. +# In Windows the default installation of PostgreSQL uses that as part of the path. +# E.g C:\Program Files\PostgreSQL\8.4. +# Currently, the following version numbers are known to this module: +# "9.1" "9.0" "8.4" "8.3" "8.2" "8.1" "8.0" +# +# To use this variable just do something like this: +# set(PostgreSQL_ADDITIONAL_VERSIONS "9.2" "8.4.4") +# before calling FIND_PACKAGE(PostgreSQL) in your CMakeLists.txt file. +# This will mean that the versions you set here will be found first in the order +# specified before the default ones are searched. +# +# ---------------------------------------------------------------------------- +# You may need to manually set: +# PostgreSQL_INCLUDE_DIR - the path to where the PostgreSQL include files are. +# PostgreSQL_LIBRARY_DIR - The path to where the PostgreSQL library files are. +# If FindPostgreSQL.cmake cannot find the include files or the library files. +# +# ---------------------------------------------------------------------------- +# The following variables are set if PostgreSQL is found: +# PostgreSQL_FOUND - Set to true when PostgreSQL is found. +# PostgreSQL_INCLUDE_DIRS - Include directories for PostgreSQL +# PostgreSQL_LIBRARY_DIRS - Link directories for PostgreSQL libraries +# PostgreSQL_LIBRARIES - The PostgreSQL libraries. +# +# ---------------------------------------------------------------------------- +# If you have installed PostgreSQL in a non-standard location. +# (Please note that in the following comments, it is assumed that +# points to the root directory of the include directory of PostgreSQL.) +# Then you have three options. +# 1) After CMake runs, set PostgreSQL_INCLUDE_DIR to /include and +# PostgreSQL_LIBRARY_DIR to wherever the library pq (or libpq in windows) is +# 2) Use CMAKE_INCLUDE_PATH to set a path to /PostgreSQL<-version>. This will allow find_path() +# to locate PostgreSQL_INCLUDE_DIR by utilizing the PATH_SUFFIXES option. e.g. In your CMakeLists.txt file +# SET(CMAKE_INCLUDE_PATH ${CMAKE_INCLUDE_PATH} "/include") +# 3) Set an environment variable called ${PostgreSQL_ROOT} that points to the root of where you have +# installed PostgreSQL, e.g. . +# +# ---------------------------------------------------------------------------- + +set(PostgreSQL_INCLUDE_PATH_DESCRIPTION "top-level directory containing the PostgreSQL include directories. E.g /usr/local/include/PostgreSQL/8.4 or C:/Program Files/PostgreSQL/8.4/include") +set(PostgreSQL_INCLUDE_DIR_MESSAGE "Set the PostgreSQL_INCLUDE_DIR cmake cache entry to the ${PostgreSQL_INCLUDE_PATH_DESCRIPTION}") +set(PostgreSQL_LIBRARY_PATH_DESCRIPTION "top-level directory containing the PostgreSQL libraries.") +set(PostgreSQL_LIBRARY_DIR_MESSAGE "Set the PostgreSQL_LIBRARY_DIR cmake cache entry to the ${PostgreSQL_LIBRARY_PATH_DESCRIPTION}") +set(PostgreSQL_ROOT_DIR_MESSAGE "Set the PostgreSQL_ROOT system variable to where PostgreSQL is found on the machine E.g C:/Program Files/PostgreSQL/8.4") + + +set(PostgreSQL_ROOT_DIRECTORIES $ENV{PostgreSQL_ROOT}) +if(PostgreSQL_ROOT_DIRECTORIES) + file(TO_CMAKE_PATH ${PostgreSQL_ROOT_DIRECTORIES} PostgreSQL_ROOT_DIRECTORIES) +endif(PostgreSQL_ROOT_DIRECTORIES) + +set(PostgreSQL_KNOWN_VERSIONS ${PostgreSQL_ADDITIONAL_VERSIONS} + "9.1" "9.0" "8.4" "8.3" "8.2" "8.1" "8.0") + +# Define additional search paths for root directories. +if ( WIN32 ) + foreach (suffix ${PostgreSQL_KNOWN_VERSIONS} ) + set(ADDITIONAL_SEARCH_PATHS ${ADDITIONAL_SEARCH_PATHS} "C:/Program Files/PostgreSQL/${suffix}" ) + endforeach(suffix) +endif( WIN32 ) +set( PostgreSQL_ROOT_DIRECTORIES + ${PostgreSQL_ROOT_DIRECTORIES} + ${PostgreSQL_ROOT} + ${ADDITIONAL_SEARCH_PATHS} +) + +# +# Look for an installation. +# +find_path(PostgreSQL_INCLUDE_DIR + NAMES libpq-fe.h + PATHS + # Look in other places. + ${PostgreSQL_ROOT_DIRECTORIES} + PATH_SUFFIXES + postgresql + include + # Help the user find it if we cannot. + DOC "The ${PostgreSQL_INCLUDE_DIR_MESSAGE}" +) + +# The PostgreSQL library. +set (PostgreSQL_LIBRARY_TO_FIND pq) +# Setting some more prefixes for the library +set (PostgreSQL_LIB_PREFIX "") +if ( WIN32 ) + set (PostgreSQL_LIB_PREFIX ${PostgreSQL_LIB_PREFIX} "lib") + set ( PostgreSQL_LIBRARY_TO_FIND ${PostgreSQL_LIB_PREFIX}${PostgreSQL_LIBRARY_TO_FIND}) +endif() + +find_library( PostgreSQL_LIBRARY + NAMES ${PostgreSQL_LIBRARY_TO_FIND} + PATHS + ${PostgreSQL_ROOT_DIRECTORIES} + PATH_SUFFIXES + lib +) +get_filename_component(PostgreSQL_LIBRARY_DIR ${PostgreSQL_LIBRARY} PATH) + +# Did we find anything? +set( PostgreSQL_FOUND 0 ) +if ( EXISTS "${PostgreSQL_INCLUDE_DIR}" AND EXISTS "${PostgreSQL_LIBRARY_DIR}" ) + set( PostgreSQL_FOUND 1 ) +else ( EXISTS "${PostgreSQL_INCLUDE_DIR}" AND EXISTS "${PostgreSQL_LIBRARY_DIR}" ) + if ( POSTGRES_REQUIRED ) + message( FATAL_ERROR "PostgreSQL is required. ${PostgreSQL_ROOT_DIR_MESSAGE}" ) + endif ( POSTGRES_REQUIRED ) +endif (EXISTS "${PostgreSQL_INCLUDE_DIR}" AND EXISTS "${PostgreSQL_LIBRARY_DIR}" ) + +# Now try to get the include and library path. +if(PostgreSQL_FOUND) + + if(EXISTS "${PostgreSQL_INCLUDE_DIR}") + set(PostgreSQL_INCLUDE_DIRS + ${PostgreSQL_INCLUDE_DIR} + ) + endif(EXISTS "${PostgreSQL_INCLUDE_DIR}") + + if(EXISTS "${PostgreSQL_LIBRARY_DIR}") + set(PostgreSQL_LIBRARY_DIRS + ${PostgreSQL_LIBRARY_DIR} + ) + set(PostgreSQL_LIBRARIES ${PostgreSQL_LIBRARY_TO_FIND}) + endif(EXISTS "${PostgreSQL_LIBRARY_DIR}") + + #message("Final PostgreSQL include dir: ${PostgreSQL_INCLUDE_DIRS}") + #message("Final PostgreSQL library dir: ${PostgreSQL_LIBRARY_DIRS}") + #message("Final PostgreSQL libraries: ${PostgreSQL_LIBRARIES}") +endif(PostgreSQL_FOUND) + +if(NOT PostgreSQL_FOUND) + if(NOT PostgreSQL_FIND_QUIETLY) + message(STATUS "PostgreSQL was not found. ${PostgreSQL_DIR_MESSAGE}") + else(NOT PostgreSQL_FIND_QUIETLY) + if(PostgreSQL_FIND_REQUIRED) + message(FATAL_ERROR "PostgreSQL was not found. ${PostgreSQL_DIR_MESSAGE}") + endif(PostgreSQL_FIND_REQUIRED) + endif(NOT PostgreSQL_FIND_QUIETLY) +endif(NOT PostgreSQL_FOUND)