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dnl Checks for required headers and functions
dnl
dnl Version: 20230222
dnl Function to determine the host operating system
AC_DEFUN([AX_LIBEWF_CHECK_HOST_OPERATING_SYSTEM],
[ac_libewf_determine_operating_system_target_string="$target";
AS_IF(
[test "x$ac_libewf_determine_operating_system_target_string" = x],
[ac_libewf_determine_operating_system_target_string="$host"])
AS_IF(
[test "x$ac_libewf_determine_operating_system_target_string" = x],
[ac_libewf_determine_operating_system_target_string="$build"])
AS_CASE(
[$ac_libewf_determine_operating_system_target_string],
[*cygwin*], [ac_libewf_operating_system="Cygwin";],
[*darwin*], [ac_libewf_operating_system="Darwin";],
[*freebsd*], [ac_libewf_operating_system="FreeBSD";],
[*netbsd*], [ac_libewf_operating_system="NetBSD";],
[*openbsd*], [ac_libewf_operating_system="OpenBSD";],
[*linux*], [ac_libewf_operating_system="Linux";],
[*mingw*], [ac_libewf_operating_system="MingW";],
[*solaris*], [ac_libewf_operating_system="SunOS";],
[*], [ac_libewf_operating_system="Unknown";])
AC_DEFINE_UNQUOTED(
LIBEWF_OPERATING_SYSTEM,
"$ac_libewf_operating_system",
[Defines the fallback operating system string.])
])
dnl Function to detect if libewf dependencies are available
AC_DEFUN([AX_LIBEWF_CHECK_LOCAL],
[dnl Check for type definitions
dnl Type used in libewf/libewf_date_time_values.h, libewf/libewf_date_time.h
dnl and libewf/libewf_header_values.c
AC_STRUCT_TM
dnl Check for headers
dnl Headers included in libewf/libewf_date_time.h
AC_CHECK_HEADERS([sys/time.h])
dnl Check for functions
dnl Date and time functions used in libewf/libewf_date_time.h
AC_CHECK_FUNCS([localtime localtime_r mktime])
AS_IF(
[test "x$ac_cv_func_localtime" != xyes && test "x$ac_cv_func_localtime_r" != xyes],
[AC_MSG_FAILURE(
[Missing functions: localtime and localtime_r],
[1])
])
AS_IF(
[test "x$ac_cv_func_mktime" != xyes],
[AC_MSG_FAILURE(
[Missing function: mktime],
[1])
])
dnl Check for internationalization functions in libewf/libewf_i18n.c
AC_CHECK_FUNCS([bindtextdomain])
])
dnl Function to detect if ewftools dependencies are available
AC_DEFUN([AX_EWFTOOLS_CHECK_LOCAL],
[dnl Headers used in ewftools
AC_CHECK_HEADERS([signal.h sys/signal.h unistd.h])
dnl Functions used in ewftools
AC_CHECK_FUNCS([close getopt setvbuf])
AS_IF(
[test "x$ac_cv_func_close" != xyes],
[AC_MSG_FAILURE(
[Missing function: close],
[1])
])
dnl Check for the host operation system will be used as a fall back in the ewftools
AX_LIBEWF_CHECK_HOST_OPERATING_SYSTEM
dnl Headers included in ewftools/ewftools_glob.h
AC_CHECK_HEADERS([errno.h glob.h])
AS_IF(
[test "x$ac_cv_header_glob_h" = xno],
[AC_CHECK_HEADERS([io.h])
])
dnl Headers included in ewftools/log_handle.c
AC_CHECK_HEADERS([stdarg.h varargs.h])
AS_IF(
[test "x$ac_cv_header_stdarg_h" != xyes && test "x$ac_cv_header_varargs_h" != xyes],
[AC_MSG_FAILURE(
[Missing headers: stdarg.h and varargs.h],
[1])
])
dnl Headers included in ewftools/ewfmount.c
AC_CHECK_HEADERS([errno.h sys/time.h])
dnl Functions included in ewftools/mount_file_system.c and ewftools/mount_file_entry.c
AS_IF(
[test "x$ac_cv_enable_winapi" = xno],
[AC_CHECK_FUNCS([clock_gettime getegid geteuid time])
])
])
dnl Function to check if DLL support is needed
AC_DEFUN([AX_LIBEWF_CHECK_DLL_SUPPORT],
[AS_IF(
[test "x$enable_shared" = xyes && test "x$ac_cv_enable_static_executables" = xno],
[AS_CASE(
[$host],
[*cygwin* | *mingw* | *msys*],
[AC_DEFINE(
[HAVE_DLLMAIN],
[1],
[Define to 1 to enable the DllMain function.])
AC_SUBST(
[HAVE_DLLMAIN],
[1])
AC_SUBST(
[LIBEWF_DLL_EXPORT],
["-DLIBEWF_DLL_EXPORT"])
AC_SUBST(
[LIBEWF_DLL_IMPORT],
["-DLIBEWF_DLL_IMPORT"])
])
])
])
dnl Function to detect whether version 1 API support should be enabled
AC_DEFUN([AX_LIBEWF_CHECK_ENABLE_V1_API],
[AX_COMMON_ARG_ENABLE(
[v1-api],
[v1_api],
[enable version 1 API],
[no])
AS_IF(
[test "x$ac_cv_enable_v1_api" != xno],
[AC_DEFINE(
[HAVE_V1_API],
[1],
[Define to 1 if the version 1 API should be available.])
AC_SUBST(
[HAVE_V1_API],
[1])
ac_cv_enable_v1_api=yes],
[AC_SUBST(
[HAVE_V1_API],
[0]) ])
AM_CONDITIONAL(
HAVE_V1_API,
[test "x$ac_cv_enable_v1_api" != xno])
])
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