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181 lines
5.9 KiB
181 lines
5.9 KiB
1 year ago
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##### http://autoconf-archive.cryp.to/ax_lib_postgresql.html
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#
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# SYNOPSIS
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#
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# AX_LIB_POSTGRESQL([MINIMUM-VERSION])
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#
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# DESCRIPTION
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#
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# This macro provides tests of availability of PostgreSQL 'libpq'
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# library of particular version or newer.
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#
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# AX_LIB_POSTGRESQL macro takes only one argument which is optional.
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# If there is no required version passed, then macro does not run
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# version test.
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#
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# The --with-postgresql option takes one of three possible values:
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#
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# no - do not check for PostgreSQL client library
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#
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# yes - do check for PostgreSQL library in standard locations
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# (pg_config should be in the PATH)
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#
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# path - complete path to pg_config utility, use this option if
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# pg_config can't be found in the PATH
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#
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# This macro calls:
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#
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# AC_SUBST(POSTGRESQL_CFLAGS)
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# AC_SUBST(POSTGRESQL_LDFLAGS)
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# AC_SUBST(POSTGRESQL_LIBS)
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# AC_SUBST(POSTGRESQL_VERSION)
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#
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# And sets:
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#
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# HAVE_POSTGRESQL
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#
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# LAST MODIFICATION
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#
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# 2017-09-26 modified version detection to detect PostgreSQL 10 (Zabbix)
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# 2006-07-16
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#
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# COPYLEFT
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#
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# Copyright (c) 2006 Mateusz Loskot <mateusz@loskot.net>
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#
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# Copying and distribution of this file, with or without
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# modification, are permitted in any medium without royalty provided
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# the copyright notice and this notice are preserved.
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AC_DEFUN([AX_LIB_POSTGRESQL],
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[
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PG_CONFIG="no"
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AC_ARG_WITH([postgresql],
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AS_HELP_STRING([--with-postgresql@<:@=ARG@:>@],
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[use PostgreSQL library @<:@default=no@:>@, optionally specify path to pg_config]
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),
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[
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if test "x$withval" = "xno"; then
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want_postgresql="no"
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elif test "x$withval" = "xyes"; then
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want_postgresql="yes"
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else
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want_postgresql="yes"
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PG_CONFIG="$withval"
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fi
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],
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[want_postgresql="no"]
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)
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POSTGRESQL_CFLAGS=""
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POSTGRESQL_LDFLAGS=""
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POSTGRESQL_LIBS=""
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POSTGRESQL_VERSION=""
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dnl
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dnl Check PostgreSQL libraries (libpq)
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dnl
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if test "x$want_postgresql" = "xyes"; then
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AC_PATH_PROG([PG_CONFIG], [pg_config], [])
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if test -x "$PG_CONFIG"; then
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POSTGRESQL_CFLAGS="`$PG_CONFIG --includedir`"
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if test -n "$POSTGRESQL_CFLAGS"; then
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POSTGRESQL_CFLAGS="-I$POSTGRESQL_CFLAGS";
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fi
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POSTGRESQL_LDFLAGS="`$PG_CONFIG --libdir`"
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if test -n "$POSTGRESQL_LDFLAGS"; then
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POSTGRESQL_LDFLAGS="-L$POSTGRESQL_LDFLAGS";
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fi
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POSTGRESQL_LIBS="-lpq"
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_save_postgresql_cflags="${CFLAGS}"
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_save_postgresql_ldflags="${LDFLAGS}"
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_save_postgresql_libs="${LIBS}"
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CFLAGS="${CFLAGS} ${POSTGRESQL_CFLAGS}"
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LDFLAGS="${LDFLAGS} ${POSTGRESQL_LDFLAGS}"
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LIBS="${LIBS} ${POSTGRESQL_LIBS}"
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AC_MSG_CHECKING([for PostgreSQL libraries])
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#include <libpq-fe.h>
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]], [[
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PGconn *conn;
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conn = PQsetdbLogin(NULL, NULL, NULL, NULL, NULL, NULL, NULL);
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]])],[AC_DEFINE(HAVE_POSTGRESQL, 1, Define to 1 if PostgreSQL libraries are available)
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found_postgresql="yes"
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AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
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CFLAGS="${_save_postgresql_cflags}"
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LDFLAGS="${_save_postgresql_ldflags}"
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LIBS="${_save_postgresql_libs}"
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unset _save_postgresql_cflags
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unset _save_postgresql_ldflags
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unset _save_postgresql_libs
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if test "x$found_postgresql" = "xyes"; then
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POSTGRESQL_VERSION=`$PG_CONFIG --version | cut -d' ' -f2`
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fi
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fi
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fi
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dnl
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dnl Check if required version of PostgreSQL is available
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dnl
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postgresql_version_req=ifelse([$1], [], [], [$1])
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if test "x$found_postgresql" = "xyes" -a -n "$postgresql_version_req"; then
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dnl Decompose version string of installed PostgreSQL
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dnl and calculate its number representation
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postgresql_version_major=`expr $POSTGRESQL_VERSION : '\([[0-9]]*\)'`
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postgresql_version_minor=`expr $POSTGRESQL_VERSION : '[[0-9]]*\.\([[0-9]]*\)'`
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postgresql_version_micro=`expr $POSTGRESQL_VERSION : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
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if test "x$postgresql_version_minor" = "x"; then
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postgresql_version_minor="0"
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fi
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if test "x$postgresql_version_micro" = "x"; then
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postgresql_version_micro="0"
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fi
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postgresql_version_number=`expr $postgresql_version_major \* 1000000 \
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\+ $postgresql_version_minor \* 1000 \
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\+ $postgresql_version_micro`
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if test -n "$postgresql_version_req"; then
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AC_MSG_CHECKING([if PostgreSQL version is >= $postgresql_version_req])
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dnl Decompose required version string of PostgreSQL
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dnl and calculate its number representation
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postgresql_version_req_major=`expr $postgresql_version_req : '\([[0-9]]*\)'`
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postgresql_version_req_minor=`expr $postgresql_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
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postgresql_version_req_micro=`expr $postgresql_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
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if test "x$postgresql_version_req_micro" = "x"; then
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postgresql_version_req_micro="0"
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fi
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postgresql_version_req_number=`expr $postgresql_version_req_major \* 1000000 \
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\+ $postgresql_version_req_minor \* 1000 \
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\+ $postgresql_version_req_micro`
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postgresql_version_check=`expr $postgresql_version_number \>\= $postgresql_version_req_number`
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if test "$postgresql_version_check" = "1"; then
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AC_MSG_RESULT([yes])
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else
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AC_MSG_RESULT([no])
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fi
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fi
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fi
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AC_SUBST([POSTGRESQL_CFLAGS])
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AC_SUBST([POSTGRESQL_LDFLAGS])
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AC_SUBST([POSTGRESQL_LIBS])
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AC_SUBST([POSTGRESQL_VERSION])
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])
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