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qt5base-lts/cmake/FindPostgreSQL.cmake
Alexey Edelev e3e1fc4820 Add upstream version of FindPostgreSQL.cmake 
Add CMake upstream(3.20.0) version of FindPostgreSQL.cmake, to avoid
server-related headers lookup.
Avoid using the Qt version of the PostgreSQL module, if it's
older than the CMake's one.

Fixes: QTBUG-89639
Change-Id: I71a0c3508000901969933aea8a08d1ad431db711
Reviewed-by: Craig Scott <craig.scott@qt.io>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
2021-01-26 16:05:05 +01:00

318 lines
12 KiB
CMake
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindPostgreSQL
--------------
Find the PostgreSQL installation.
IMPORTED Targets
^^^^^^^^^^^^^^^^
.. versionadded:: 3.14
This module defines :prop_tgt:`IMPORTED` target ``PostgreSQL::PostgreSQL``
if PostgreSQL has been found.
Result Variables
^^^^^^^^^^^^^^^^
This module will set the following variables in your project:
``PostgreSQL_FOUND``
True if PostgreSQL is found.
``PostgreSQL_LIBRARIES``
the PostgreSQL libraries needed for linking
``PostgreSQL_INCLUDE_DIRS``
the directories of the PostgreSQL headers
``PostgreSQL_LIBRARY_DIRS``
the link directories for PostgreSQL libraries
``PostgreSQL_VERSION_STRING``
the version of PostgreSQL found
``PostgreSQL_TYPE_INCLUDE_DIR``
the directories of the PostgreSQL server headers
Components
^^^^^^^^^^
This module contains additional ``Server`` component, that forcibly checks
for the presence of server headers. Note that ``PostgreSQL_TYPE_INCLUDE_DIR``
is set regardless of the presence of the ``Server`` component in find_package call.
#]=======================================================================]
# ----------------------------------------------------------------------------
# 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 number 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:
# "11" "10" "9.6" "9.5" "9.4" "9.3" "9.2" "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.
#
# The ``PostgreSQL::PostgreSQL`` imported target is also created.
#
# ----------------------------------------------------------------------------
# If you have installed PostgreSQL in a non-standard location.
# (Please note that in the following comments, it is assumed that <Your Path>
# 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 <Your Path>/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 <Your Path>/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} "<Your Path>/include")
# 3) Set an environment variable called ${PostgreSQL_ROOT} that points to the root of where you have
# installed PostgreSQL, e.g. <Your Path>.
#
# ----------------------------------------------------------------------------
if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.20")
include("${CMAKE_ROOT}/Modules/FindPostgreSQL.cmake")
return()
endif()
cmake_policy(PUSH)
cmake_policy(SET CMP0057 NEW) # if IN_LIST
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_KNOWN_VERSIONS ${PostgreSQL_ADDITIONAL_VERSIONS}
"13" "12" "11" "10" "9.6" "9.5" "9.4" "9.3" "9.2" "9.1" "9.0" "8.4" "8.3" "8.2" "8.1" "8.0")
# Define additional search paths for root directories.
set( PostgreSQL_ROOT_DIRECTORIES
ENV PostgreSQL_ROOT
${PostgreSQL_ROOT}
)
foreach(suffix ${PostgreSQL_KNOWN_VERSIONS})
if(WIN32)
list(APPEND PostgreSQL_LIBRARY_ADDITIONAL_SEARCH_SUFFIXES
"PostgreSQL/${suffix}/lib")
list(APPEND PostgreSQL_INCLUDE_ADDITIONAL_SEARCH_SUFFIXES
"PostgreSQL/${suffix}/include")
list(APPEND PostgreSQL_TYPE_ADDITIONAL_SEARCH_SUFFIXES
"PostgreSQL/${suffix}/include/server")
endif()
if(UNIX)
list(APPEND PostgreSQL_LIBRARY_ADDITIONAL_SEARCH_SUFFIXES
"postgresql${suffix}"
"pgsql-${suffix}/lib")
list(APPEND PostgreSQL_INCLUDE_ADDITIONAL_SEARCH_SUFFIXES
"postgresql${suffix}"
"postgresql/${suffix}"
"pgsql-${suffix}/include")
list(APPEND PostgreSQL_TYPE_ADDITIONAL_SEARCH_SUFFIXES
"postgresql${suffix}/server"
"postgresql/${suffix}/server"
"pgsql-${suffix}/include/server")
endif()
endforeach()
#
# Look for an installation.
#
find_path(PostgreSQL_INCLUDE_DIR
NAMES libpq-fe.h
PATHS
# Look in other places.
${PostgreSQL_ROOT_DIRECTORIES}
PATH_SUFFIXES
pgsql
postgresql
include
${PostgreSQL_INCLUDE_ADDITIONAL_SEARCH_SUFFIXES}
# Help the user find it if we cannot.
DOC "The ${PostgreSQL_INCLUDE_DIR_MESSAGE}"
)
find_path(PostgreSQL_TYPE_INCLUDE_DIR
NAMES catalog/pg_type.h
PATHS
# Look in other places.
${PostgreSQL_ROOT_DIRECTORIES}
PATH_SUFFIXES
postgresql
pgsql/server
postgresql/server
include/server
${PostgreSQL_TYPE_ADDITIONAL_SEARCH_SUFFIXES}
# 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()
function(__postgresql_find_library _name)
find_library(${_name}
NAMES ${ARGN}
PATHS
${PostgreSQL_ROOT_DIRECTORIES}
PATH_SUFFIXES
lib
${PostgreSQL_LIBRARY_ADDITIONAL_SEARCH_SUFFIXES}
# Help the user find it if we cannot.
DOC "The ${PostgreSQL_LIBRARY_DIR_MESSAGE}"
)
endfunction()
# For compatibility with versions prior to this multi-config search, honor
# any PostgreSQL_LIBRARY that is already specified and skip the search.
if(PostgreSQL_LIBRARY)
set(PostgreSQL_LIBRARIES "${PostgreSQL_LIBRARY}")
get_filename_component(PostgreSQL_LIBRARY_DIR "${PostgreSQL_LIBRARY}" PATH)
else()
__postgresql_find_library(PostgreSQL_LIBRARY_RELEASE ${PostgreSQL_LIBRARY_TO_FIND})
__postgresql_find_library(PostgreSQL_LIBRARY_DEBUG ${PostgreSQL_LIBRARY_TO_FIND}d)
include(SelectLibraryConfigurations)
select_library_configurations(PostgreSQL)
mark_as_advanced(PostgreSQL_LIBRARY_RELEASE PostgreSQL_LIBRARY_DEBUG)
if(PostgreSQL_LIBRARY_RELEASE)
get_filename_component(PostgreSQL_LIBRARY_DIR "${PostgreSQL_LIBRARY_RELEASE}" PATH)
elseif(PostgreSQL_LIBRARY_DEBUG)
get_filename_component(PostgreSQL_LIBRARY_DIR "${PostgreSQL_LIBRARY_DEBUG}" PATH)
else()
set(PostgreSQL_LIBRARY_DIR "")
endif()
endif()
if (PostgreSQL_INCLUDE_DIR)
# Some platforms include multiple pg_config.hs for multi-lib configurations
# This is a temporary workaround. A better solution would be to compile
# a dummy c file and extract the value of the symbol.
file(GLOB _PG_CONFIG_HEADERS "${PostgreSQL_INCLUDE_DIR}/pg_config*.h")
foreach(_PG_CONFIG_HEADER ${_PG_CONFIG_HEADERS})
if(EXISTS "${_PG_CONFIG_HEADER}")
file(STRINGS "${_PG_CONFIG_HEADER}" pgsql_version_str
REGEX "^#define[\t ]+PG_VERSION_NUM[\t ]+.*")
if(pgsql_version_str)
string(REGEX REPLACE "^#define[\t ]+PG_VERSION_NUM[\t ]+([0-9]*).*"
"\\1" _PostgreSQL_VERSION_NUM "${pgsql_version_str}")
break()
endif()
endif()
endforeach()
if (_PostgreSQL_VERSION_NUM)
# 9.x and older encoding
if (_PostgreSQL_VERSION_NUM LESS 100000)
math(EXPR _PostgreSQL_major_version "${_PostgreSQL_VERSION_NUM} / 10000")
math(EXPR _PostgreSQL_minor_version "${_PostgreSQL_VERSION_NUM} % 10000 / 100")
math(EXPR _PostgreSQL_patch_version "${_PostgreSQL_VERSION_NUM} % 100")
set(PostgreSQL_VERSION_STRING "${_PostgreSQL_major_version}.${_PostgreSQL_minor_version}.${_PostgreSQL_patch_version}")
unset(_PostgreSQL_major_version)
unset(_PostgreSQL_minor_version)
unset(_PostgreSQL_patch_version)
else ()
math(EXPR _PostgreSQL_major_version "${_PostgreSQL_VERSION_NUM} / 10000")
math(EXPR _PostgreSQL_minor_version "${_PostgreSQL_VERSION_NUM} % 10000")
set(PostgreSQL_VERSION_STRING "${_PostgreSQL_major_version}.${_PostgreSQL_minor_version}")
unset(_PostgreSQL_major_version)
unset(_PostgreSQL_minor_version)
endif ()
else ()
foreach(_PG_CONFIG_HEADER ${_PG_CONFIG_HEADERS})
if(EXISTS "${_PG_CONFIG_HEADER}")
file(STRINGS "${_PG_CONFIG_HEADER}" pgsql_version_str
REGEX "^#define[\t ]+PG_VERSION[\t ]+\".*\"")
if(pgsql_version_str)
string(REGEX REPLACE "^#define[\t ]+PG_VERSION[\t ]+\"([^\"]*)\".*"
"\\1" PostgreSQL_VERSION_STRING "${pgsql_version_str}")
break()
endif()
endif()
endforeach()
endif ()
unset(_PostgreSQL_VERSION_NUM)
unset(pgsql_version_str)
endif()
if("Server" IN_LIST PostgreSQL_FIND_COMPONENTS)
set(PostgreSQL_Server_FOUND TRUE)
if(NOT PostgreSQL_TYPE_INCLUDE_DIR)
set(PostgreSQL_Server_FOUND FALSE)
endif()
endif()
# Did we find anything?
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(PostgreSQL
REQUIRED_VARS PostgreSQL_LIBRARY PostgreSQL_INCLUDE_DIR
HANDLE_COMPONENTS
VERSION_VAR PostgreSQL_VERSION_STRING)
set(PostgreSQL_FOUND ${POSTGRESQL_FOUND})
function(__postgresql_import_library _target _var _config)
if(_config)
set(_config_suffix "_${_config}")
else()
set(_config_suffix "")
endif()
set(_lib "${${_var}${_config_suffix}}")
if(EXISTS "${_lib}")
if(_config)
set_property(TARGET ${_target} APPEND PROPERTY
IMPORTED_CONFIGURATIONS ${_config})
endif()
set_target_properties(${_target} PROPERTIES
IMPORTED_LOCATION${_config_suffix} "${_lib}")
endif()
endfunction()
# Now try to get the include and library path.
if(PostgreSQL_FOUND)
set(PostgreSQL_INCLUDE_DIRS ${PostgreSQL_INCLUDE_DIR})
if(PostgreSQL_TYPE_INCLUDE_DIR)
list(APPEND PostgreSQL_INCLUDE_DIRS ${PostgreSQL_TYPE_INCLUDE_DIR})
endif()
set(PostgreSQL_LIBRARY_DIRS ${PostgreSQL_LIBRARY_DIR})
if (NOT TARGET PostgreSQL::PostgreSQL)
add_library(PostgreSQL::PostgreSQL UNKNOWN IMPORTED)
set_target_properties(PostgreSQL::PostgreSQL PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${PostgreSQL_INCLUDE_DIRS}")
__postgresql_import_library(PostgreSQL::PostgreSQL PostgreSQL_LIBRARY "")
__postgresql_import_library(PostgreSQL::PostgreSQL PostgreSQL_LIBRARY "RELEASE")
__postgresql_import_library(PostgreSQL::PostgreSQL PostgreSQL_LIBRARY "DEBUG")
endif ()
endif()
mark_as_advanced(PostgreSQL_INCLUDE_DIR PostgreSQL_TYPE_INCLUDE_DIR)
cmake_policy(POP)
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