File: //home/django/libpff/m4/libbfio.m4
dnl Checks for libbfio required headers and functions
dnl
dnl Version: 20240518
dnl Function to detect if libbfio is available
dnl ac_libbfio_dummy is used to prevent AC_CHECK_LIB adding unnecessary -l<library> arguments
AC_DEFUN([AX_LIBBFIO_CHECK_LIB],
[AS_IF(
[test "x$ac_cv_enable_shared_libs" = xno || test "x$ac_cv_with_libbfio" = xno],
[ac_cv_libbfio=no],
[ac_cv_libbfio=check
dnl Check if the directory provided as parameter exists
dnl For both --with-libbfio which returns "yes" and --with-libbfio= which returns ""
dnl treat them as auto-detection.
AS_IF(
[test "x$ac_cv_with_libbfio" != x && test "x$ac_cv_with_libbfio" != xauto-detect && test "x$ac_cv_with_libbfio" != xyes],
[AX_CHECK_LIB_DIRECTORY_EXISTS([libbfio])],
[dnl Check for a pkg-config file
AS_IF(
[test "x$cross_compiling" != "xyes" && test "x$PKGCONFIG" != "x"],
[PKG_CHECK_MODULES(
[libbfio],
[libbfio >= 20201125],
[ac_cv_libbfio=yes],
[ac_cv_libbfio=check])
])
AS_IF(
[test "x$ac_cv_libbfio" = xyes && test "x$ac_cv_enable_wide_character_type" != xno],
[AC_CACHE_CHECK(
[whether libbfio/features.h defines LIBBFIO_HAVE_WIDE_CHARACTER_TYPE as 1],
[ac_cv_header_libbfio_features_h_have_wide_character_type],
[AC_LANG_PUSH(C)
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <libbfio/features.h>]],
[[#if !defined( LIBBFIO_HAVE_WIDE_CHARACTER_TYPE ) || ( LIBBFIO_HAVE_WIDE_CHARACTER_TYPE != 1 )
#error LIBBFIO_HAVE_WIDE_CHARACTER_TYPE not defined
#endif]] )],
[ac_cv_header_libbfio_features_h_have_wide_character_type=yes],
[ac_cv_header_libbfio_features_h_have_wide_character_type=no])
AC_LANG_POP(C)],
[ac_cv_header_libbfio_features_h_have_wide_character_type=no])
AS_IF(
[test "x$ac_cv_header_libbfio_features_h_have_wide_character_type" = xno],
[ac_cv_libbfio=no])
])
AS_IF(
[test "x$ac_cv_libbfio" = xyes],
[ac_cv_libbfio_CPPFLAGS="$pkg_cv_libbfio_CFLAGS"
ac_cv_libbfio_LIBADD="$pkg_cv_libbfio_LIBS"])
])
AS_IF(
[test "x$ac_cv_libbfio" = xcheck],
[dnl Check for headers
AC_CHECK_HEADERS([libbfio.h])
AS_IF(
[test "x$ac_cv_header_libbfio_h" = xno],
[ac_cv_libbfio=no],
[ac_cv_libbfio=yes
AX_CHECK_LIB_FUNCTIONS(
[libbfio],
[bfio],
[[libbfio_get_version],
[libbfio_handle_free],
[libbfio_handle_open],
[libbfio_handle_close],
[libbfio_handle_exists],
[libbfio_handle_read_buffer],
[libbfio_handle_read_buffer_at_offset],
[libbfio_handle_write_buffer],
[libbfio_handle_write_buffer_at_offset],
[libbfio_handle_seek_offset],
[libbfio_handle_is_open],
[libbfio_handle_get_offset],
[libbfio_handle_get_size],
[libbfio_handle_set_track_offsets_read],
[libbfio_handle_get_number_of_offsets_read],
[libbfio_handle_get_offset_read],
[libbfio_file_initialize],
[libbfio_file_get_name_size],
[libbfio_file_get_name],
[libbfio_file_set_name],
[libbfio_pool_initialize],
[libbfio_pool_free],
[libbfio_pool_clone],
[libbfio_pool_get_number_of_handles],
[libbfio_pool_get_handle],
[libbfio_pool_set_handle],
[libbfio_pool_append_handle],
[libbfio_pool_remove_handle],
[libbfio_pool_get_maximum_number_of_open_handles],
[libbfio_pool_set_maximum_number_of_open_handles],
[libbfio_pool_open],
[libbfio_pool_reopen],
[libbfio_pool_close],
[libbfio_pool_close_all],
[libbfio_pool_read_buffer],
[libbfio_pool_read_buffer_at_offset],
[libbfio_pool_write_buffer],
[libbfio_pool_write_buffer_at_offset],
[libbfio_pool_seek_offset],
[libbfio_pool_get_offset],
[libbfio_pool_get_size],
[libbfio_file_pool_open]])
AS_IF(
[test "x$ac_cv_enable_wide_character_type" != xno],
[AX_CHECK_LIB_FUNCTIONS(
[libbfio],
[bfio],
[[libbfio_file_get_name_size_wide],
[libbfio_file_get_name_wide],
[libbfio_file_set_name_wide],
[libbfio_file_pool_open_wide]])
])
ac_cv_libbfio_LIBADD="-lbfio"])
])
AX_CHECK_LIB_DIRECTORY_MSG_ON_FAILURE([libbfio])
])
AS_IF(
[test "x$ac_cv_libbfio" = xyes],
[AC_DEFINE(
[HAVE_LIBBFIO],
[1],
[Define to 1 if you have the `bfio' library (-lbfio).])
])
AS_IF(
[test "x$ac_cv_libbfio" = xyes],
[AC_SUBST(
[HAVE_LIBBFIO],
[1]) ],
[AC_SUBST(
[HAVE_LIBBFIO],
[0])
])
])
dnl Function to detect if libbfio dependencies are available
AC_DEFUN([AX_LIBBFIO_CHECK_LOCAL],
[dnl No additional checks.
ac_cv_libbfio_CPPFLAGS="-I../libbfio -I\$(top_srcdir)/libbfio";
ac_cv_libbfio_LIBADD="../libbfio/libbfio.la";
ac_cv_libbfio=local
])
dnl Function to detect how to enable libbfio
AC_DEFUN([AX_LIBBFIO_CHECK_ENABLE],
[AX_COMMON_ARG_WITH(
[libbfio],
[libbfio],
[search for libbfio 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_LIBBFIO_CHECK_LIB
dnl Check if the dependencies for the local library version
AS_IF(
[test "x$ac_cv_libbfio" != xyes],
[AX_LIBBFIO_CHECK_LOCAL
AC_DEFINE(
[HAVE_LOCAL_LIBBFIO],
[1],
[Define to 1 if the local version of libbfio is used.])
AC_SUBST(
[HAVE_LOCAL_LIBBFIO],
[1])
])
AM_CONDITIONAL(
[HAVE_LOCAL_LIBBFIO],
[test "x$ac_cv_libbfio" = xlocal])
AS_IF(
[test "x$ac_cv_libbfio_CPPFLAGS" != "x"],
[AC_SUBST(
[LIBBFIO_CPPFLAGS],
[$ac_cv_libbfio_CPPFLAGS])
])
AS_IF(
[test "x$ac_cv_libbfio_LIBADD" != "x"],
[AC_SUBST(
[LIBBFIO_LIBADD],
[$ac_cv_libbfio_LIBADD])
])
AS_IF(
[test "x$ac_cv_libbfio" = xyes],
[AC_SUBST(
[ax_libbfio_pc_libs_private],
[-lbfio])
])
AS_IF(
[test "x$ac_cv_libbfio" = xyes],
[AC_SUBST(
[ax_libbfio_spec_requires],
[libbfio])
AC_SUBST(
[ax_libbfio_spec_build_requires],
[libbfio-devel])
])
])