File: /home/django/libpff/m4/libfdata.m4
dnl Functions for libfdata
dnl
dnl Version: 20240520
dnl Function to detect if libfdata is available
dnl ac_libfdata_dummy is used to prevent AC_CHECK_LIB adding unnecessary -l<library> arguments
AC_DEFUN([AX_LIBFDATA_CHECK_LIB],
[AS_IF(
[test "x$ac_cv_enable_shared_libs" = xno || test "x$ac_cv_with_libfdata" = xno],
[ac_cv_libfdata=no],
[ac_cv_libfdata=check
dnl Check if the directory provided as parameter exists
dnl For both --with-libfdata which returns "yes" and --with-libfdata= which returns ""
dnl treat them as auto-detection.
AS_IF(
[test "x$ac_cv_with_libfdata" != x && test "x$ac_cv_with_libfdata" != xauto-detect && test "x$ac_cv_with_libfdata" != xyes],
[AX_CHECK_LIB_DIRECTORY_EXISTS([libfdata])],
[dnl Check for a pkg-config file
AS_IF(
[test "x$cross_compiling" != "xyes" && test "x$PKGCONFIG" != "x"],
[PKG_CHECK_MODULES(
[libfdata],
[libfdata >= 20201129],
[ac_cv_libfdata=yes],
[ac_cv_libfdata=check])
])
AS_IF(
[test "x$ac_cv_libfdata" = xyes],
[ac_cv_libfdata_CPPFLAGS="$pkg_cv_libfdata_CFLAGS"
ac_cv_libfdata_LIBADD="$pkg_cv_libfdata_LIBS"])
])
AS_IF(
[test "x$ac_cv_libfdata" = xcheck],
[dnl Check for headers
AC_CHECK_HEADERS([libfdata.h])
AS_IF(
[test "x$ac_cv_header_libfdata_h" = xno],
[ac_cv_libfdata=no],
[ac_cv_libfdata=yes
AX_CHECK_LIB_FUNCTIONS(
[libfdata],
[fdata],
[[libfdata_get_version],
[libfdata_area_initialize],
[libfdata_area_free],
[libfdata_area_clone],
[libfdata_area_empty],
[libfdata_area_resize],
[libfdata_area_get_number_of_segments],
[libfdata_area_get_segment_by_index],
[libfdata_area_set_segment_by_index],
[libfdata_area_prepend_segment],
[libfdata_area_append_segment],
[libfdata_area_get_element_data_size],
[libfdata_area_get_element_value_at_offset],
[libfdata_area_set_element_value_at_offset],
[libfdata_area_get_size],
[libfdata_list_initialize],
[libfdata_list_free],
[libfdata_list_clone],
[libfdata_list_empty],
[libfdata_list_resize],
[libfdata_list_reverse],
[libfdata_list_get_number_of_elements],
[libfdata_list_get_list_element_by_index],
[libfdata_list_get_element_by_index],
[libfdata_list_set_element_by_index],
[libfdata_list_prepend_element],
[libfdata_list_append_element],
[libfdata_list_append_list],
[libfdata_list_is_element_set],
[libfdata_list_get_element_mapped_range],
[libfdata_list_get_mapped_offset],
[libfdata_list_set_mapped_offset],
[libfdata_list_get_mapped_size_by_index],
[libfdata_list_set_mapped_size_by_index],
[libfdata_list_get_element_by_index_with_mapped_size],
[libfdata_list_set_element_by_index_with_mapped_size],
[libfdata_list_append_element_with_mapped_size],
[libfdata_list_get_element_index_at_offset],
[libfdata_list_get_list_element_at_offset],
[libfdata_list_get_element_at_offset],
[libfdata_list_cache_element_value],
[libfdata_list_get_element_value_by_index],
[libfdata_list_get_element_value_at_offset],
[libfdata_list_set_element_value_by_index],
[libfdata_list_set_element_value_at_offset],
[libfdata_list_get_size],
[libfdata_list_element_get_mapped_size],
[libfdata_list_element_set_mapped_size],
[libfdata_list_element_get_element_value],
[libfdata_list_element_set_element_value],
[libfdata_list_element_get_mapped_size],
[libfdata_list_element_set_mapped_size],
[libfdata_list_element_get_element_value],
[libfdata_list_element_set_element_value],
[libfdata_stream_initialize],
[libfdata_stream_free],
[libfdata_stream_clone],
[libfdata_stream_empty],
[libfdata_stream_resize],
[libfdata_stream_reverse],
[libfdata_stream_get_number_of_segments],
[libfdata_stream_get_segment_by_index],
[libfdata_stream_set_segment_by_index],
[libfdata_stream_prepend_segment],
[libfdata_stream_append_segment],
[libfdata_stream_set_mapped_size],
[libfdata_stream_get_segment_mapped_range],
[libfdata_stream_get_segment_index_at_offset],
[libfdata_stream_get_segment_at_offset],
[libfdata_stream_read_buffer],
[libfdata_stream_read_buffer_at_offset],
[libfdata_stream_write_buffer],
[libfdata_stream_seek_offset],
[libfdata_stream_get_offset],
[libfdata_stream_get_size],
[libfdata_range_list_initialize],
[libfdata_range_list_free],
[libfdata_range_list_clone],
[libfdata_range_list_empty],
[libfdata_range_list_get_list_element_at_offset],
[libfdata_range_list_get_element_at_offset],
[libfdata_range_list_insert_element],
[libfdata_range_list_get_element_value_at_offset],
[libfdata_range_list_set_element_value_at_offset],
[libfdata_vector_initialize],
[libfdata_vector_free],
[libfdata_vector_clone],
[libfdata_vector_empty],
[libfdata_vector_resize],
[libfdata_vector_get_number_of_segments],
[libfdata_vector_get_segment_by_index],
[libfdata_vector_set_segment_by_index],
[libfdata_vector_prepend_segment],
[libfdata_vector_append_segment],
[libfdata_vector_get_element_data_size],
[libfdata_vector_get_number_of_elements],
[libfdata_vector_get_element_index_at_offset],
[libfdata_vector_get_element_value_by_index],
[libfdata_vector_get_element_value_at_offset],
[libfdata_vector_set_element_value_by_index],
[libfdata_vector_get_size]])
ac_cv_libfdata_LIBADD="-lfdata"])
])
AX_CHECK_LIB_DIRECTORY_MSG_ON_FAILURE([libfdata])
])
AS_IF(
[test "x$ac_cv_libfdata" = xyes],
[AC_DEFINE(
[HAVE_LIBFDATA],
[1],
[Define to 1 if you have the `fdata' library (-lfdata).])
])
AS_IF(
[test "x$ac_cv_libfdata" = xyes],
[AC_SUBST(
[HAVE_LIBFDATA],
[1]) ],
[AC_SUBST(
[HAVE_LIBFDATA],
[0])
])
])
dnl Function to detect if libfdata dependencies are available
AC_DEFUN([AX_LIBFDATA_CHECK_LOCAL],
[dnl No additional checks.
ac_cv_libfdata_CPPFLAGS="-I../libfdata -I\$(top_srcdir)/libfdata";
ac_cv_libfdata_LIBADD="../libfdata/libfdata.la";
ac_cv_libfdata=local
])
dnl Function to detect how to enable libfdata
AC_DEFUN([AX_LIBFDATA_CHECK_ENABLE],
[AX_COMMON_ARG_WITH(
[libfdata],
[libfdata],
[search for libfdata in includedir and libdir or in the specified DIR, or no if to use local version],
[auto-detect],
[DIR])
dnl Check for a shared library version
AX_LIBFDATA_CHECK_LIB
dnl Check if the dependencies for the local library version
AS_IF(
[test "x$ac_cv_libfdata" != xyes],
[AX_LIBFDATA_CHECK_LOCAL
AC_DEFINE(
[HAVE_LOCAL_LIBFDATA],
[1],
[Define to 1 if the local version of libfdata is used.])
AC_SUBST(
[HAVE_LOCAL_LIBFDATA],
[1])
])
AM_CONDITIONAL(
[HAVE_LOCAL_LIBFDATA],
[test "x$ac_cv_libfdata" = xlocal])
AS_IF(
[test "x$ac_cv_libfdata_CPPFLAGS" != "x"],
[AC_SUBST(
[LIBFDATA_CPPFLAGS],
[$ac_cv_libfdata_CPPFLAGS])
])
AS_IF(
[test "x$ac_cv_libfdata_LIBADD" != "x"],
[AC_SUBST(
[LIBFDATA_LIBADD],
[$ac_cv_libfdata_LIBADD])
])
AS_IF(
[test "x$ac_cv_libfdata" = xyes],
[AC_SUBST(
[ax_libfdata_pc_libs_private],
[-lfdata])
])
AS_IF(
[test "x$ac_cv_libfdata" = xyes],
[AC_SUBST(
[ax_libfdata_spec_requires],
[libfdata])
AC_SUBST(
[ax_libfdata_spec_build_requires],
[libfdata-devel])
])
])