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dnl Copyright (C) 2011 Brian Aker (brian@tangent.org)
AC_DEFUN([AX_HAVE_LIBPQ],[
AC_ARG_ENABLE([libpq],
[AS_HELP_STRING([--disable-libpq],
[Build with libpq, ie Postgres, support @<:@default=on@:>@])],
[ac_cv_libpq="$enableval"],
[ac_cv_libpq="yes"])
AC_REQUIRE([AX_LIB_POSTGRESQL])
AS_IF([test "x$ac_cv_libpq" = "xyes" -a "x$found_postgresql" = "xyes"],
[
AC_DEFINE([HAVE_LIBPQ], [ 1 ], [Enable libpq support])
],
[
AC_DEFINE([HAVE_LIBPQ], [ 0 ], [Enable libpq support])
# if --enable-libpq, but no Postgres, force --disable-libpq
ac_cv_libpq="no"
])
AM_CONDITIONAL(HAVE_LIBPQ, [test "x$ac_cv_libpq" = "xyes"])
])
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