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AC_PREREQ([2.69])
AC_INIT
AC_CONFIG_SRCDIR([rlm_sql_oracle.c])
AC_REVISION($Revision: 1.10 $)
FR_INIT_MODULE([rlm_sql_oracle])

oracle_supported_versions="19 18 12 11 10 9"
mod_ldflags=
mod_cflags=

FR_MODULE_START_TESTS

dnl ############################################################
dnl # Check for command line options
dnl ############################################################

dnl extra argument: --with-oracle-include-dir=DIR
oracle_include_dir=
AC_ARG_WITH(oracle-include-dir,
	[AS_HELP_STRING([--with-oracle-include-dir=DIR],
		[Directory where the oracle includes may be found])],
	[case "$withval" in
	no)
		AC_MSG_ERROR(Need oracle-include-dir)
		;;
	yes)
		;;
	*)
		oracle_include_dir="$withval"
		;;
	esac])

dnl extra argument: --with-oracle-lib-dir=DIR
oracle_lib_dir=
AC_ARG_WITH(oracle-lib-dir,
	[AS_HELP_STRING([--with-oracle-lib-dir=DIR],
		[Directory where the oracle libraries may be found])],
	[case "$withval" in
	no)
		AC_MSG_ERROR(Need oracle-lib-dir)
		;;
	yes)
		;;
	*)
		oracle_lib_dir="$withval"
		;;
	esac])

dnl extra argument: --with-oracle-dir=DIR
AC_ARG_WITH(oracle-dir,
	[AS_HELP_STRING([--with-oracle-dir=DIR],
		[Base directory where oracle is installed])],
	[case "$withval" in
	no)
		AC_MSG_ERROR(Need oracle-dir)
		;;
	yes)
		;;
	*)
		oracle_lib_dir="$withval/lib"
		oracle_include_dir="$withval/include"
		;;
	esac])

dnl ############################################################
dnl # Check for header files
dnl ############################################################

smart_try_dir="$oracle_include_dir /usr/local/instaclient/include"

if test "x$ORACLE_HOME" != "x"; then
	smart_try_dir="${smart_try_dir} ${ORACLE_HOME}/include"
fi

FR_SMART_CHECK_INCLUDE(oci.h)
if test "x$ac_cv_header_oci_h" != "xyes"; then
	AC_MSG_WARN([oracle headers not found. Use --with-oracle-include-dir=<path> or set ORACLE_HOME.])
	FR_MODULE_FAIL([oci.h])
fi

dnl ############################################################
dnl # Check for libraries
dnl ############################################################

old_LIBS="$LIBS"

if test "x$oracle_lib_dir" != "x" ; then
	lib_path="${oracle_lib_dir} "
elif test "x$ORACLE_HOME" != "x" ; then
	lib_path="${ORACLE_HOME}/lib "
fi

AC_MSG_WARN([Oracle supported versions: ${oracle_supported_versions}])
AC_MSG_WARN([Oracle version >= 12 needs -laio])

for path in $lib_path "/usr/local/instaclient/lib" "" "/opt/lib"; do
	for oracle_version in ${oracle_supported_versions} ""; do
		if test "$path" != ""; then
		AC_MSG_CHECKING([for OCIInitialize in nnz${oracle_version} in $path])
		else
		AC_MSG_CHECKING([for OCIInitialize in nnz${oracle_version}])
		fi

		LIBS="$old_LIBS -L$path -Wl,-rpath,$path -lclntsh -lnnz${oracle_version}"

		AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <oci.h>

		static OCIEnv		*p_env;
		static OCIError		*p_err;
		static OCISvcCtx	*p_svc;
		static OCIStmt		*p_sql;
		static OCIDefine	*p_dfn = (OCIDefine *) 0;
		static OCIBind		*p_bnd = (OCIBind *) 0;
		]], [[
		int	p_bvi;
		char	p_sli[20];
		int	rc;
		char	errbuf[100];
		int	errcode;

		rc = OCIInitialize((ub4) OCI_DEFAULT, (dvoid *)0,  /* Initialize OCI */
				   (dvoid * (*)(dvoid *, size_t)) 0,
				   (dvoid * (*)(dvoid *, dvoid *, size_t))0,
				   (void (*)(dvoid *, dvoid *)) 0 );

		]])],[mod_ldflags="$LIBS"],[])
		if test "x$mod_ldflags" != "x"; then
			AC_MSG_RESULT(yes)
			break
		fi
		AC_MSG_RESULT(no)
	done

	if test "x$mod_ldflags" != "x"; then
		break
	fi
done

LIBS="$old_LIBS"

if test "x$mod_ldflags" = "x"; then
	AC_MSG_WARN([oracle libraries not found.  Use --with-oracle-lib-dir=<path> or set ORACLE_HOME.])
	FR_MODULE_FAIL([libclntsh libnnz(9-12)])
fi

FR_MODULE_END_TESTS

mod_cflags="$SMART_CPPFLAGS"
AC_SUBST(mod_ldflags)
AC_SUBST(mod_cflags)

AC_CONFIG_FILES([all.mk])
AC_OUTPUT