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#######################################################################
#
# FindPg.cmake - A CMake module for locating PostgreSQL
#
# Dave Page, EnterpriseDB UK Ltd.
# This code is released under the PostgreSQL Licence
#
#######################################################################
# To use this module, simply include it in your CMake project.
# If set, PostgreSQL will be assumed to be in the location specified
# by the PGDIR environment variable. Otherwise, it will be searched
# for in a number of standard locations.
#
# For statically linked builds, the PG_STATIC variable can be set to
# true.
#
# The following CMake variable will be set:
#
# PG_FOUND - Set to TRUE if PostgreSQL is located
# PG_CONFIG_PATH - The pg_config executable path
# PG_ROOT_DIR - The base install directory for PostgreSQL
# PG_INCLUDE_DIRS - The directory containing the PostgreSQL headers.
# PG_LIBRARIES - The PostgreSQL client libraries.
# PG_LIBRARY_DIRS - The directory containing the PostgreSQL client libraries.
# PG_PKG_LIBRARY_DIRS - The directory containing the PostgreSQL package libraries.
# PG_SHARE_DIR - The directory containing architecture-independent PostgreSQL support files.
# PG_VERSION_STRING - The PostgreSQL version number.
# PG_MAJOR_VERSION - The PostgreSQL major version (x in x.y.z).
# PG_MINOR_VERSION - The PostgreSQL minor version (y in x.y.z).
# PG_EXTENSION - Set to TRUE if PostgreSQL supports extensions.
IF(NOT PG_STATIC OR PG_STATIC STREQUAL "")
SET(_static "no")
ELSE(NOT PG_STATIC OR PG_STATIC STREQUAL "")
IF(PG_STATIC)
SET(_static "yes")
ELSE(PG_STATIC)
SET(_static "no")
ENDIF(PG_STATIC)
ENDIF(NOT PG_STATIC OR PG_STATIC STREQUAL "")
IF(NOT $ENV{PGDIR} STREQUAL "")
FIND_PROGRAM(PG_CONFIG_PATH pg_config
PATH $ENV{PGDIR}/bin
DOC "Path to the pg_config executable"
NO_DEFAULT_PATH)
ELSE(NOT $ENV{PGDIR} STREQUAL "")
FIND_PROGRAM(PG_CONFIG_PATH pg_config
PATH /usr/local/pgsql/bin
/opt/PostgreSQL/*/bin
/Library/PostgreSQL/*/bin
$ENV{ProgramFiles}/PostgreSQL/*/bin
$ENV{SystemDrive}/PostgreSQL/*/bin
DOC "Path to the pg_config executable")
ENDIF(NOT $ENV{PGDIR} STREQUAL "")
EXEC_PROGRAM(${PG_CONFIG_PATH} ARGS --version OUTPUT_VARIABLE PG_VERSION_STRING RETURN_VALUE _retval)
IF(NOT _retval)
SET(PG_FOUND TRUE)
# Strip the bin and pg_config from the path
GET_FILENAME_COMPONENT(PG_ROOT_DIR ${PG_CONFIG_PATH} PATH)
GET_FILENAME_COMPONENT(PG_ROOT_DIR ${PG_ROOT_DIR} PATH)
# Split the version into its component parts.
STRING(REGEX MATCHALL "[0-9]+" PG_VERSION_PARTS "${PG_VERSION_STRING}")
LIST(GET PG_VERSION_PARTS 0 PG_MAJOR_VERSION)
IF((PG_MAJOR_VERSION LESS 10))
LIST(GET PG_VERSION_PARTS 1 PG_MINOR_VERSION)
ENDIF((PG_MAJOR_VERSION LESS 10))
# Are extensions supported?
IF((PG_MAJOR_VERSION GREATER 9) OR ((PG_MAJOR_VERSION EQUAL 9) AND (PG_MINOR_VERSION GREATER 0)))
SET(PG_EXTENSION TRUE)
ENDIF((PG_MAJOR_VERSION GREATER 9) OR ((PG_MAJOR_VERSION EQUAL 9) AND (PG_MINOR_VERSION GREATER 0)))
IF(WIN32 AND NOT CYGWIN AND NOT MSYS)
SET(PG_INCLUDE_DIRS "${PG_ROOT_DIR}/include")
SET(PG_LIBRARY_DIRS "${PG_ROOT_DIR}/lib")
SET(PG_PKG_LIBRARY_DIRS "${PG_ROOT_DIR}/lib")
SET(PG_SHARE_DIR "${PG_ROOT_DIR}/share")
# There iare no static libraries on VC++ builds of PG.
LIST(APPEND PG_LIBRARIES libpq.lib)
ELSE(WIN32 AND NOT CYGWIN AND NOT MSYS)
EXEC_PROGRAM(${PG_CONFIG_PATH} ARGS --includedir OUTPUT_VARIABLE PG_INCLUDE_DIRS)
EXEC_PROGRAM(${PG_CONFIG_PATH} ARGS --libdir OUTPUT_VARIABLE PG_LIBRARY_DIRS)
EXEC_PROGRAM(${PG_CONFIG_PATH} ARGS --pkglibdir OUTPUT_VARIABLE PG_PKG_LIBRARY_DIRS)
EXEC_PROGRAM(${PG_CONFIG_PATH} ARGS --sharedir OUTPUT_VARIABLE PG_SHARE_DIR)
IF(_static)
LIST(APPEND PG_LIBRARIES ${PG_LIBRARY_DIRS}/libpq.a)
# Check for SSL and Kerberos
EXEC_PROGRAM("nm" ARGS ${PG_LIBRARY_DIRS}/libpq.a OUTPUT_VARIABLE _op)
IF(_op MATCHES "SSL_connect")
LIST(APPEND PG_LIBRARIES "ssl")
ENDIF(_op MATCHES "SSL_connect")
IF(_op MATCHES "krb5_free_principal")
LIST(APPEND PG_LIBRARIES "krb5")
ENDIF(_op MATCHES "krb5_free_principal")
IF(_op MATCHES "ldap_init")
LIST(APPEND PG_LIBRARIES "ldap")
ENDIF(_op MATCHES "ldap_init")
LIST(APPEND PG_LIBRARIES "crypto")
IF(NOT APPLE)
LIST(APPEND PG_LIBRARIES "crypt")
ENDIF(NOT APPLE)
ELSE(_static)
LIST(APPEND PG_LIBRARIES pq)
ENDIF(_static)
ENDIF(WIN32 AND NOT CYGWIN AND NOT MSYS)
ELSE(NOT _retval)
SET(PG_FOUND FALSE)
SET(PG_ROOT_DIR PG_ROOT_DIR-NO_FOUND)
IF(PG_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "No PostgreSQL installation could be found.")
ELSE(PG_FIND_REQUIRED)
MESSAGE(STATUS "No PostgreSQL installation could be found.")
ENDIF(PG_FIND_REQUIRED)
ENDIF(NOT _retval)
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