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coturn/cmake/FindPostgreSQL.cmake
2021-02-26 09:02:50 +08:00

261 lines
8.6 KiB
CMake

# Find PostgreSQL.
#
# Specifically, this finds the C client library (libpq) that can be used to talk to PostgreSQL databases.
#
# Set this variable to any additional path you want the module to search:
# PostgreSQL_DIR
#
# Imported targets defined by this module:
# PostgreSQL::pq - shared library if available, or static if that's all there is
# PostgreSQL::pq_shared - shared library
# PostgreSQL::pq_static - static library
#
# Informational variables:
# PostgreSQL_FOUND - PostgreSQL (or all requested components of PostgreSQL) was found.
# PostgreSQL_VERSION - the version of PostgreSQL that was found
#
include(CacheLog)
include(FindPackageHandleStandardArgs)
# Helper function for globbing for directories.
function(append_glob_dirs list_name glob_path)
file(TO_CMAKE_PATH "${glob_path}" glob_path)
file(GLOB dirs LIST_DIRECTORIES true "${glob_path}")
if (dirs)
list(APPEND ${list_name} "${dirs}")
set(${list_name} "${${list_name}}" PARENT_SCOPE)
endif ()
endfunction()
# If PostgreSQL_DIR has changed since the last invocation, wipe internal cache variables so we can search for everything
# again.
if (NOT "${PostgreSQL_DIR}" STREQUAL "${_internal_old_postgresql_dir}")
unset_cachelog_entries()
endif ()
reset_cachelog()
set(_old_suffixes "${CMAKE_FIND_LIBRARY_SUFFIXES}")
# Set path guesses.
set(_paths)
if (CMAKE_HOST_WIN32)
if (CMAKE_SIZEOF_VOID_P EQUAL 8)
set(archdir "$ENV{ProgramFiles}")
set(notarchdir "$ENV{ProgramFiles\(x86\)}")
set(arch 64)
else ()
set(archdir "$ENV{ProgramFiles\(x86\)}")
set(notarchdir "$ENV{ProgramFiles}")
set(arch 32)
endif ()
# This should find installations from either the BigSQL or EDB Postgres installers.
# (Note: I'd recommend BigSQL, it's built with MinGW, so it's easier to package)
list(APPEND _paths /PostgreSQL${arch})
append_glob_dirs(_paths "/PostgreSQL${arch}/pg*/")
list(APPEND _paths /PostgreSQL)
append_glob_dirs(_paths "/PostgreSQL/pg*/")
list(APPEND _paths "${archdir}/PostgreSQL")
append_glob_dirs(_paths "${archdir}/PostgreSQL/*/")
list(APPEND _paths "${notarchdir}/PostgreSQL")
append_glob_dirs(_paths "${notarchdir}/PostgreSQL/*/")
else ()
if (CMAKE_SIZEOF_VOID_P EQUAL 8)
set(arch 64)
else ()
set(arch 32)
endif ()
list(APPEND _paths
/usr/local/postgresql${arch}
/usr/local/pgsql${arch}
/usr/local/postgresql
/usr/local/pgsql
)
append_glob_dirs(_paths "/usr/pgsql-*")
endif ()
# Find include directory.
find_path(PostgreSQL_INCLUDE_DIR
NAMES libpq-fe.h
HINTS ${PostgreSQL_DIR}
$ENV{PostgreSQL_DIR}
${POSTGRESQL_ROOT_DIR}
PATHS ${_paths}
PATH_SUFFIXES include include/postgresql postgresql
)
add_to_cachelog(PostgreSQL_INCLUDE_DIR)
if (PostgreSQL_INCLUDE_DIR)
# Calculate root directory of installation from include directory.
string(REGEX REPLACE "(/)*include(/)*.*$" "" _root_dir "${PostgreSQL_INCLUDE_DIR}")
set(PostgreSQL_DIR "${_root_dir}" CACHE PATH "Root directory of PostgreSQL installation" FORCE)
set(_internal_old_postgresql_dir "${PostgreSQL_DIR}" CACHE INTERNAL "" FORCE)
mark_as_advanced(FORCE PostgreSQL_DIR)
# Find version by parsing the pg_config.h header.
set(header "${PostgreSQL_INCLUDE_DIR}/pg_config_x86_64.h")
if (NOT EXISTS "${header}")
set(header "${PostgreSQL_INCLUDE_DIR}/pg_config_x86.h")
if (NOT EXISTS "${header}")
set(header "${PostgreSQL_INCLUDE_DIR}/pg_config.h")
if (NOT EXISTS "${header}")
set(header)
endif ()
endif ()
endif ()
if (header)
file(STRINGS "${header}" _ver_str
REGEX "^[ \t]*#[ \t]*define[\t ]+PG_VERSION[ \t]+\".*\"")
if (_ver_str MATCHES "^[ \t]*#[ \t]*define[\t ]+PG_VERSION[ \t]+\"([^\"]*)\"")
set(PostgreSQL_VERSION "${CMAKE_MATCH_1}")
endif ()
endif ()
# Find static library (if not on Windows, none of the installers I could find there had a static libpq)).
if (WIN32)
set(PostgreSQL_STATIC_LIBRARY "PostgreSQL_STATIC_LIBRARY-NOTFOUND" CACHE PATH "Path to libpq static lib")
else ()
set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_STATIC_LIBRARY_SUFFIX})
foreach(defpath "NO_DEFAULT_PATH" "")
find_library(PostgreSQL_STATIC_LIBRARY
NAMES pq libpq
NAMES_PER_DIR
HINTS ${PostgreSQL_DIR}
PATH_SUFFIXES lib
${defpath}
)
if (PostgreSQL_STATIC_LIBRARY)
break()
endif ()
endforeach()
endif ()
add_to_cachelog(PostgreSQL_STATIC_LIBRARY)
if (PostgreSQL_STATIC_LIBRARY)
set(PostgreSQL_pq_static_FOUND TRUE)
set(PostgreSQL_pq_FOUND TRUE)
endif ()
# Find shared library (will pick up static lib if shared not found).
set(CMAKE_FIND_LIBRARY_SUFFIXES "${_old_suffixes}")
if (WIN32)
list(APPEND CMAKE_FIND_LIBRARY_SUFFIXES ".a") #BigSQL installer names the import lib with a .a extension
endif ()
foreach(defpath "NO_DEFAULT_PATH" "")
find_library(PostgreSQL_LIBRARY
NAMES pq libpq
NAMES_PER_DIR
HINTS ${PostgreSQL_DIR}
PATH_SUFFIXES lib
${defpath}
)
if (PostgreSQL_LIBRARY)
break()
endif ()
endforeach()
add_to_cachelog(PostgreSQL_LIBRARY)
if (PostgreSQL_LIBRARY AND NOT PostgreSQL_LIBRARY STREQUAL PostgreSQL_STATIC_LIBRARY)
set(PostgreSQL_pq_shared_FOUND TRUE)
set(PostgreSQL_pq_FOUND TRUE)
endif ()
# Find the DLL (if any).
if (WIN32)
set(CMAKE_FIND_LIBRARY_SUFFIXES .dll)
foreach(defpath "NO_DEFAULT_PATH" "")
find_library(PostgreSQL_DLL_LIBRARY
NAMES pq libpq
NAMES_PER_DIR
HINTS ${PostgreSQL_DIR}
PATH_SUFFIXES bin lib ""
${defpath}
)
if (PostgreSQL_DLL_LIBRARY)
break()
endif ()
endforeach()
add_to_cachelog(PostgreSQL_DLL_LIBRARY)
endif ()
endif ()
set(_reqs PostgreSQL_INCLUDE_DIR)
if (NOT PostgreSQL_FIND_COMPONENTS) # If user didn't request any particular component explicitly:
list(APPEND _reqs PostgreSQL_LIBRARY) # Will contain shared lib, or static lib if no shared lib present
endif ()
find_package_handle_standard_args(PostgreSQL
REQUIRED_VARS ${_reqs}
VERSION_VAR PostgreSQL_VERSION
HANDLE_COMPONENTS
FAIL_MESSAGE "PostgreSQL not found, try -DPostgreSQL_DIR=<path>"
)
add_to_cachelog(FIND_PACKAGE_MESSAGE_DETAILS_PostgreSQL)
# Static library.
if (PostgreSQL_pq_static_FOUND AND NOT TARGET PostgreSQL::pq_static)
add_library(PostgreSQL::pq_static STATIC IMPORTED)
set_target_properties(PostgreSQL::pq_static PROPERTIES
IMPORTED_LOCATION "${PostgreSQL_STATIC_LIBRARY}"
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
INTERFACE_INCLUDE_DIRECTORIES "${PostgreSQL_INCLUDE_DIR}"
)
set(_pq_any PostgreSQL::pq_static)
endif ()
# Shared library.
if (PostgreSQL_pq_shared_FOUND AND NOT TARGET PostgreSQL::pq_shared)
add_library(PostgreSQL::pq_shared SHARED IMPORTED)
set_target_properties(PostgreSQL::pq_shared PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
INTERFACE_INCLUDE_DIRECTORIES "${PostgreSQL_INCLUDE_DIR}"
)
if (WIN32)
set_target_properties(PostgreSQL::pq_shared PROPERTIES
IMPORTED_IMPLIB "${PostgreSQL_LIBRARY}"
)
if (PostgreSQL_DLL_LIBRARY)
set_target_properties(PostgreSQL::pq_shared PROPERTIES
IMPORTED_LOCATION "${PostgreSQL_DLL_LIBRARY}"
)
endif ()
else ()
set_target_properties(PostgreSQL::pq_shared PROPERTIES
IMPORTED_LOCATION "${PostgreSQL_LIBRARY}"
)
endif ()
set(_pq_any PostgreSQL::pq_shared)
endif ()
# I-don't-care library (shared, or static if shared not available).
if (PostgreSQL_pq_FOUND AND NOT TARGET PostgreSQL::pq)
add_library(PostgreSQL::pq INTERFACE IMPORTED)
set_target_properties(PostgreSQL::pq PROPERTIES
INTERFACE_LINK_LIBRARIES ${_pq_any}
)
endif ()
set(CMAKE_FIND_LIBRARY_SUFFIXES "${_old_suffixes}")
# From https://github.com/Monetra/mstdlib/blob/master/CMakeModules
# The MIT License (MIT)
# Copyright (c) 2015-2017 Main Street Softworks, Inc.
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.