m4/ax_lib_postgresql_svr.m4

   1 # SYNOPSIS
   2 #
   3 #   AX_LIB_POSTGRESQL_SVR([MINIMUM-VERSION])
   4 #
   5 # DESCRIPTION
   6 #
   7 #   This macro provides tests of availability of PostgreSQL server library
   8 #
   9 #   This macro calls:
  10 #
  11 #     AC_SUBST(POSTGRESQL_PGXS)
  12 #     AC_SUBST(POSTGRESQL_SERVER_CFLAGS)
  13 #
  14 # LICENSE
  15 #
  16 #   Copyright (c) 2008 Mateusz Loskot <mateusz@loskot.net>
  17 #   Copyright (c) 2015 Sarah Hoffmann <lonia@denofr.de>
  18 #
  19 #   Copying and distribution of this file, with or without modification, are
  20 #   permitted in any medium without royalty provided the copyright notice
  21 #   and this notice are preserved.
  22
  23 AC_DEFUN([AX_LIB_POSTGRESQL_SVR],
  24 [
  25     AC_ARG_WITH([postgresql],
  26         AC_HELP_STRING([--with-postgresql-svr=@<:@ARG@:>@],
  27             [use PostgreSQL server library @<:@default=yes@:>@, optionally specify path to pg_config]
  28         ),
  29         [
  30         if test "$withval" = "no"; then
  31             want_postgresql="no"
  32         elif test "$withval" = "yes"; then
  33             want_postgresql="yes"
  34         else
  35             want_postgresql="yes"
  36             PG_CONFIG="$withval"
  37         fi
  38         ],
  39         [want_postgresql="yes"]
  40     )
  41
  42     dnl
  43     dnl Check PostgreSQL server libraries
  44     dnl
  45
  46     if test "$want_postgresql" = "yes"; then
  47
  48         if test -z "$PG_CONFIG" -o test; then
  49             AC_PATH_PROG([PG_CONFIG], [pg_config], [])
  50         fi
  51
  52         if test ! -x "$PG_CONFIG"; then
  53             AC_MSG_ERROR([$PG_CONFIG does not exist or it is not an exectuable file])
  54             PG_CONFIG="no"
  55             found_postgresql="no"
  56         fi
  57
  58         if test "$PG_CONFIG" != "no"; then
  59             AC_MSG_CHECKING([for PostgreSQL server libraries])
  60
  61             POSTGRESQL_SERVER_CFLAGS="-I`$PG_CONFIG --includedir-server`"
  62
  63             POSTGRESQL_VERSION=`$PG_CONFIG --version | sed -e 's#PostgreSQL ##'`
  64
  65             POSTGRESQL_PGXS=`$PG_CONFIG --pgxs`
  66         if test -f "$POSTGRESQL_PGXS"
  67         then
  68           found_postgresql="yes"
  69               AC_MSG_RESULT([yes])
  70         fi
  71         else
  72             found_postgresql="no"
  73             AC_MSG_RESULT([no])
  74         fi
  75     fi
  76
  77     dnl
  78     dnl Check if required version of PostgreSQL is available
  79     dnl
  80
  81
  82     postgresql_version_req=ifelse([$1], [], [], [$1])
  83
  84     if test "$found_postgresql" = "yes" -a -n "$postgresql_version_req"; then
  85
  86         AC_MSG_CHECKING([if PostgreSQL version is >= $postgresql_version_req])
  87
  88         dnl Decompose required version string of PostgreSQL
  89         dnl and calculate its number representation
  90         postgresql_version_req_major=`expr $postgresql_version_req : '\([[0-9]]*\)'`
  91         postgresql_version_req_minor=`expr $postgresql_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
  92         postgresql_version_req_micro=`expr $postgresql_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
  93         if test "x$postgresql_version_req_micro" = "x"; then
  94             postgresql_version_req_micro="0"
  95         fi
  96
  97         postgresql_version_req_number=`expr $postgresql_version_req_major \* 1000000 \
  98                                    \+ $postgresql_version_req_minor \* 1000 \
  99                                    \+ $postgresql_version_req_micro`
 100
 101         dnl Decompose version string of installed PostgreSQL
 102         dnl and calculate its number representation
 103         postgresql_version_major=`expr $POSTGRESQL_VERSION : '\([[0-9]]*\)'`
 104         postgresql_version_minor=`expr $POSTGRESQL_VERSION : '[[0-9]]*\.\([[0-9]]*\)'`
 105         postgresql_version_micro=`expr $POSTGRESQL_VERSION : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
 106         if test "x$postgresql_version_micro" = "x"; then
 107             postgresql_version_micro="0"
 108         fi
 109
 110         postgresql_version_number=`expr $postgresql_version_major \* 1000000 \
 111                                    \+ $postgresql_version_minor \* 1000 \
 112                                    \+ $postgresql_version_micro`
 113
 114         postgresql_version_check=`expr $postgresql_version_number \>\= $postgresql_version_req_number`
 115         if test "$postgresql_version_check" = "1"; then
 116             AC_MSG_RESULT([yes])
 117         else
 118             AC_MSG_RESULT([no])
 119         fi
 120     fi
 121
 122     AC_SUBST([POSTGRESQL_PGXS])
 123     AC_SUBST([POSTGRESQL_SERVER_CFLAGS])
 124 ])
 125