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ax_oracle_oci.m4
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dnl @synopsis AX_LIB_ORACLE_OCI([MINIMUM-VERSION])
dnl
dnl @summary Find Oracle OCI API.
dnl
dnl This macro provides tests of availability of Oracle OCI API of
dnl particular version or newer. This macros checks for Oracle OCI
dnl headers and libraries and defines compilation flags.
dnl
dnl Macro supports following options and their values:
dnl
dnl 1) Single-option usage:
dnl
dnl --with-oci -- path to ORACLE_HOME directory
dnl
dnl 2) Two-options usage (both options are required):
dnl
dnl --with-oci-include -- path to directory with OCI headers
dnl --with-oci-lib -- path to directory with OCI libraries
dnl
dnl NOTE: These options described above do not take yes|no values. If
dnl 'yes' value is passed, then WARNING message will be displayed, 'no'
dnl value, as well as the --without-oci-* variations will cause the
dnl macro to not check enything.
dnl
dnl This macro calls:
dnl
dnl AC_SUBST(ORACLE_OCI_CFLAGS)
dnl AC_SUBST(ORACLE_OCI_LDFLAGS)
dnl AC_SUBST(ORACLE_OCI_VERSION)
dnl
dnl And sets:
dnl
dnl HAVE_ORACLE_OCI
dnl
dnl @category InstalledPackages
dnl @category Cxx
dnl @author Mateusz Loskot <[email protected]>
dnl @version 2007-11-30
dnl @license AllPermissive
AC_DEFUN([AX_LIB_ORACLE_OCI],
[
AC_ARG_WITH([oci],
AC_HELP_STRING([--with-oci=@<:@ARG@:>@],
[use Oracle OCI API from given Oracle home (ARG=path); use existing ORACLE_HOME (ARG=yes); disable Oracle OCI support (ARG=no)]
),
[
if test "$withval" = "yes"; then
if test -n "$ORACLE_HOME"; then
oracle_home_dir="$ORACLE_HOME"
else
oracle_home_dir=""
fi
elif test -d "$withval"; then
oracle_home_dir="$withval"
else
oracle_home_dir=""
fi
],
[
if test -n "$ORACLE_HOME"; then
oracle_home_dir="$ORACLE_HOME"
else
oracle_home_dir=""
fi
]
)
AC_ARG_WITH([oci-include],
AC_HELP_STRING([--with-oci-include=@<:@DIR@:>@],
[use Oracle OCI API headers from given path]
),
[oracle_home_include_dir="$withval"],
[oracle_home_include_dir=""]
)
AC_ARG_WITH([oci-lib],
AC_HELP_STRING([--with-oci-lib=@<:@DIR@:>@],
[use Oracle OCI API libraries from given path]
),
[oracle_home_lib_dir="$withval"],
[oracle_home_lib_dir=""]
)
ORACLE_OCI_CFLAGS=""
ORACLE_OCI_LDFLAGS=""
ORACLE_OCI_VERSION=""
dnl
dnl Collect include/lib paths
dnl
want_oracle_but_no_path="no"
if test -n "$oracle_home_dir"; then
if test "$oracle_home_dir" != "no" -a "$oracle_home_dir" != "yes"; then
dnl ORACLE_HOME path provided
dnl Primary path to OCI headers, available in Oracle>=10
oracle_include_dir="$oracle_home_dir/rdbms/public"
dnl Secondary path to OCI headers used by older versions
oracle_include_dir2="$oracle_home_dir/rdbms/demo"
dnl Another path to OCI headers used by instant client
oracle_include_dir3="$oracle_home_dir/sdk/include"
dnl Library path
oracle_lib_dir="$oracle_home_dir/lib"
dnl Library path for instant client
oracle_lib_dir2="$oracle_home_dir"
elif test "$oracle_home_dir" = "yes"; then
want_oracle_but_no_path="yes"
fi
elif test -n "$oracle_home_include_dir" -o -n "$oracle_home_lib_dir"; then
if test "$oracle_home_include_dir" != "no" -a "$oracle_home_include_dir" != "yes"; then
oracle_include_dir="$oracle_home_include_dir"
elif test "$oracle_home_include_dir" = "yes"; then
want_oracle_but_no_path="yes"
fi
if test "$oracle_home_lib_dir" != "no" -a "$oracle_home_lib_dir" != "yes"; then
oracle_lib_dir="$oracle_home_lib_dir"
elif test "$oracle_home_lib_dir" = "yes"; then
want_oracle_but_no_path="yes"
fi
fi
if test "$want_oracle_but_no_path" = "yes"; then
AC_MSG_WARN([Oracle support is requested but no Oracle paths have been provided. \
Please, locate Oracle directories using --with-oci or \
--with-oci-include and --with-oci-lib options.])
fi
dnl
dnl Check OCI files
dnl
if test -n "$oracle_include_dir" -a -n "$oracle_lib_dir" -o -n "$oracle_lib_dir2"; then
saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -I$oracle_include_dir"
dnl Additional path for older Oracle installations
if test -n "$oracle_include_dir2"; then
CPPFLAGS="$CPPFLAGS -I$oracle_include_dir2"
fi
dnl Additional path for instant client
if test -n "$oracle_include_dir3"; then
CPPFLAGS="$CPPFLAGS -I$oracle_include_dir3"
fi
dnl Depending on later Oracle version detection,
dnl -lnnz10 flag might be removed for older Oracle < 10.x
if test -n "$oracle_include_dir" ; then
oci_ldflags="-L$oracle_lib_dir -lclntsh"
else
oci_ldflags="-L$oracle_lib_dir -L$oracle_lib_dir2 -lclntsh"
fi
saved_LIBS="$LIBS"
LIBS="$LIBS $oci_ldflags"
dnl
dnl Check OCI headers
dnl
if test -f "$oracle_include_dir/oci.h"; then
ACTIVE_INCLUDE_DIR="$oracle_include_dir"
fi
if test -f "$oracle_include_dir2/oci.h"; then
ACTIVE_INCLUDE_DIR="$oracle_include_dir2"
fi
if test -f "$oracle_include_dir3/oci.h"; then
ACTIVE_INCLUDE_DIR="$oracle_include_dir3"
fi
AC_MSG_CHECKING([for Oracle OCI headers in $ACTIVE_INCLUDE_DIR])
AC_LANG_PUSH(C++)
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[@%:@include <oci.h>]],
[[
#if defined(OCI_MAJOR_VERSION)
#if OCI_MAJOR_VERSION == 10 && OCI_MINOR_VERSION == 2
// Oracle 10.2 detected
#endif
#elif defined(OCI_V7_SYNTAX)
// OK, older Oracle detected
// TODO - mloskot: find better macro to check for older versions;
#else
# error Oracle oci.h header not found
#endif
]]
)],
[
ORACLE_OCI_CFLAGS="-I$oracle_include_dir"
if test -n "$oracle_include_dir2"; then
ORACLE_OCI_CFLAGS="$ORACLE_OCI_CFLAGS -I$oracle_include_dir2"
fi
if test -n "$oracle_include_dir3"; then
ORACLE_OCI_CFLAGS="$ORACLE_OCI_CFLAGS -I$oracle_include_dir3"
fi
oci_header_found="yes"
AC_MSG_RESULT([yes])
],
[
oci_header_found="no"
AC_MSG_RESULT([ header not found])
]
)
AC_LANG_POP([C++])
dnl
dnl Check OCI libraries
dnl
if test "$oci_header_found" = "yes"; then
AC_MSG_CHECKING([for Oracle OCI libraries in $oracle_lib_dir])
AC_LANG_PUSH(C++)
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[@%:@include <oci.h>]],
[[
OCIEnv* envh = 0;
OCIEnvCreate(&envh, OCI_DEFAULT, 0, 0, 0, 0, 0, 0);
if (envh) OCIHandleFree(envh, OCI_HTYPE_ENV);
]]
)],
[
ORACLE_OCI_LDFLAGS="$oci_ldflags"
oci_lib_found="yes"
AC_MSG_RESULT([yes])
],
[
oci_lib_found="no"
AC_MSG_RESULT([library not found])
]
)
AC_LANG_POP([C++])
fi
CPPFLAGS="$saved_CPPFLAGS"
LIBS="$saved_LIBS"
fi
dnl
dnl Check required version of Oracle is available
dnl
oracle_version_req=ifelse([$1], [], [], [$1])
if test "$oci_header_found" = "yes" -a "$oci_lib_found" = "yes" -a \
-n "$oracle_version_req"; then
if test -f "$oracle_include_dir/oci.h"; then
ACTIVE_INCLUDE_DIR="$oracle_include_dir"
fi
if test -f "$oracle_include_dir2/oci.h"; then
ACTIVE_INCLUDE_DIR="$oracle_include_dir2"
fi
if test -f "$oracle_include_dir3/oci.h"; then
ACTIVE_INCLUDE_DIR="$oracle_include_dir3"
fi
oracle_version_major=$(sed -n '/^#define OCI_MAJOR_VERSION.*$/{s/\([^0-9]*\)\([0-9]*\).*/\2/;P;}' \
$ACTIVE_INCLUDE_DIR/oci.h)
oracle_version_minor=$(sed -n '/^#define OCI_MINOR_VERSION.*$/{s/\([^0-9]*\)\([0-9]*\).*/\2/;P;}' \
$ACTIVE_INCLUDE_DIR/oci.h)
AC_MSG_CHECKING([if Oracle OCI version is >= $oracle_version_req ])
if test -n "$oracle_version_major" -a -n $"oracle_version_minor"; then
ORACLE_OCI_VERSION="$oracle_version_major.$oracle_version_minor"
dnl Decompose required version string of Oracle
dnl and calculate its number representation
oracle_version_req_major=`expr $oracle_version_req : '\([[0-9]]*\)'`
oracle_version_req_minor=`expr $oracle_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
oracle_version_req_number=`expr $oracle_version_req_major \* 1000000 \
\+ $oracle_version_req_minor \* 1000`
dnl Calculate its number representation
oracle_version_number=`expr $oracle_version_major \* 1000000 \
\+ $oracle_version_minor \* 1000`
oracle_version_check=`expr $oracle_version_number \>\= $oracle_version_req_number`
if test "$oracle_version_check" = "1"; then
oracle_version_checked="yes"
AC_MSG_RESULT([yes])
dnl Add -lnnz10 flag to Oracle >= 10.x
AC_MSG_CHECKING([for Oracle version >= 10.x to use -lnnz10 flag])
oracle_nnz10_check=`expr $oracle_version_number \>\= 10 \* 1000000`
if test "$oracle_nnz10_check" = "1"; then
ORACLE_OCI_LDFLAGS="$ORACLE_OCI_LDFLAGS -lnnz$oracle_version_major"
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
else
oracle_version_checked="no"
AC_MSG_RESULT([no])
AC_MSG_ERROR([Oracle $ORACLE_OCI_VERSION found, but required version is $oracle_version_req])
fi
else
ORACLE_OCI_VERSION="UNKNOWN"
AC_MSG_RESULT([no])
AC_MSG_WARN([Oracle version unknown, probably OCI older than 10.2 is available])
fi
fi
AC_MSG_CHECKING([if Oracle support is enabled])
if test "$oci_header_found" = "yes" -a "$oci_lib_found" = "yes"; then
AC_SUBST([ORACLE_OCI_VERSION])
AC_SUBST([ORACLE_OCI_CFLAGS])
AC_SUBST([ORACLE_OCI_LDFLAGS])
HAVE_ORACLE_OCI="yes"
else
HAVE_ORACLE_OCI="no"
fi
AC_MSG_RESULT([$HAVE_ORACLE_OCI])
])