libyal-libexe/m4/libcfile.m4

dnl Functions for libcfile
dnl
dnl Version: 20140503

dnl Function to detect if libcfile is available
dnl ac_libcfile_dummy is used to prevent AC_CHECK_LIB adding unnecessary -l<library> arguments
AC_DEFUN([AX_LIBCFILE_CHECK_LIB],
 [dnl Check if parameters were provided
 AS_IF(
  [test "x$ac_cv_with_libcfile" != x && test "x$ac_cv_with_libcfile" != xno && test "x$ac_cv_with_libcfile" != xauto-detect],
  [AS_IF(
   [test -d "$ac_cv_with_libcfile"],
   [CFLAGS="$CFLAGS -I${ac_cv_with_libcfile}/include"
   LDFLAGS="$LDFLAGS -L${ac_cv_with_libcfile}/lib"],
   [AC_MSG_WARN([no such directory: $ac_cv_with_libcfile])
   ])
  ])

 AS_IF(
  [test "x$ac_cv_with_libcfile" = xno],
  [ac_cv_libcfile=no],
  [dnl Check for a pkg-config file
  AS_IF(
   [test "x$cross_compiling" != "xyes" && test "x$PKGCONFIG" != "x"],
   [PKG_CHECK_MODULES(
    [libcfile],
    [libcfile >= 20140503],
    [ac_cv_libcfile=yes],
    [ac_cv_libcfile=no])
   ])

  AS_IF(
   [test "x$ac_cv_libcfile" = xyes],
   [ac_cv_libcfile_CPPFLAGS="$pkg_cv_libcfile_CFLAGS"
   ac_cv_libcfile_LIBADD="$pkg_cv_libcfile_LIBS"],
   [dnl Check for headers
   AC_CHECK_HEADERS([libcfile.h])

   AS_IF(
    [test "x$ac_cv_header_libcfile_h" = xno],
    [ac_cv_libcfile=no],
    [dnl Check for the individual functions
    ac_cv_libcfile=yes

    AC_CHECK_LIB(
     cfile,
     libcfile_get_version,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])

    dnl File functions
    AC_CHECK_LIB(
     cfile,
     libcfile_file_initialize,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_free,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_open,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_open_with_error_code,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_close,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_read_buffer,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_read_buffer_with_error_code,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_write_buffer,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_write_buffer_with_error_code,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_seek_offset,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_resize,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_is_open,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_get_offset,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_get_size,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_is_device,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_io_control_read,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_file_io_control_read_with_error_code,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])

    AS_IF(
     [test "x$ac_cv_enable_wide_character_type" != xno],
     [AC_CHECK_LIB(
      cfile,
      libcfile_file_open_wide,
      [ac_cv_libcfile_dummy=yes],
      [ac_cv_libcfile=no])
     AC_CHECK_LIB(
      cfile,
      libcfile_file_open_wide_with_error_code,
      [ac_cv_libcfile_dummy=yes],
      [ac_cv_libcfile=no])
     ])

    dnl File stream functions
    AC_CHECK_LIB(
     cfile,
     libcfile_stream_initialize,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_stream_free,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_stream_open,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_stream_close,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_stream_read_buffer,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_stream_write_buffer,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_stream_seek_offset,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_stream_get_offset,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])
    AC_CHECK_LIB(
     cfile,
     libcfile_stream_get_size,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])

    AS_IF(
     [test "x$ac_cv_enable_wide_character_type" != xno],
     [AC_CHECK_LIB(
      cfile,
      libcfile_stream_open_wide,
      [ac_cv_libcfile_dummy=yes],
      [ac_cv_libcfile=no])
     ])

    dnl Support functions
    AC_CHECK_LIB(
     cfile,
     libcfile_file_exists,
     [ac_cv_libcfile_dummy=yes],
     [ac_cv_libcfile=no])

    AS_IF(
     [test "x$ac_cv_enable_wide_character_type" != xno],
     [AC_CHECK_LIB(
      cfile,
      libcfile_file_exists_wide,
      [ac_cv_libcfile_dummy=yes],
      [ac_cv_libcfile=no])
     ])

    ac_cv_libcfile_LIBADD="-lcfile"
    ])
   ])
  ])

 AS_IF(
  [test "x$ac_cv_libcfile" = xyes],
  [AC_DEFINE(
   [HAVE_LIBCFILE],
   [1],
   [Define to 1 if you have the `cfile' library (-lcfile).])
  ])

 AS_IF(
  [test "x$ac_cv_libcfile" = xyes],
  [AC_SUBST(
   [HAVE_LIBCFILE],
   [1]) ],
  [AC_SUBST(
   [HAVE_LIBCFILE],
   [0])
  ])
 ])

dnl Function to detect if posix_fadvise is available
AC_DEFUN([AX_LIBCFILE_CHECK_FUNC_POSIX_FADVISE],
 [AC_CHECK_FUNCS([posix_fadvise])

 AS_IF(
  [test "x$ac_cv_func_posix_fadvise" = xyes],
  [AC_MSG_CHECKING(
    [whether posix_fadvise can be linked])

   SAVE_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -Wall -Werror"
   AC_LANG_PUSH(C)

   AC_LINK_IFELSE(
    [AC_LANG_PROGRAM(
     [[#include <fcntl.h>]],
     [[#if !defined( POSIX_FADV_SEQUENTIAL )
#define POSIX_FADV_SEQUENTIAL 2
#endif
posix_fadvise( 0, 0, 0, POSIX_FADV_SEQUENTIAL )]] )],
     [ac_cv_func_posix_fadvise=yes],
     [ac_cv_func_posix_fadvise=no])

   AC_LANG_POP(C)
   CFLAGS="$SAVE_CFLAGS"

   AS_IF(
    [test "x$ac_cv_func_posix_fadvise" = xyes],
    [AC_MSG_RESULT(
     [yes])
    AC_DEFINE(
     [HAVE_POSIX_FADVISE],
     [1],
     [Define to 1 if you have the posix_fadvise function.]) ],
    [AC_MSG_RESULT(
     [no]) ])
  ])
 ])

dnl Function to detect if libcfile dependencies are available
AC_DEFUN([AX_LIBCFILE_CHECK_LOCAL],
 [dnl Headers included in libcfile/libcfile_file.c, libcfile/libcfile_stream.c and libcfile/libcfile_support.c
 AC_CHECK_HEADERS([errno.h stdio.h sys/stat.h])

 dnl Headers included in libcfile/libcfile_file.c
 AC_CHECK_HEADERS([cygwin/fs.h fcntl.h linux/fs.h sys/disk.h sys/disklabel.h sys/ioctl.h unistd.h])

 dnl File input/output functions used in libcfile/libcfile_file.c
 AC_CHECK_FUNCS([close fstat ftruncate ioctl lseek open read write])

 AS_IF(
  [test "x$ac_cv_func_close" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: close],
   [1])
  ])

 AX_LIBCFILE_CHECK_FUNC_POSIX_FADVISE

 AS_IF(
  [test "x$ac_cv_func_fstat" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: fstat],
   [1])
  ])

 AS_IF(
  [test "x$ac_cv_func_ftruncate" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: ftruncate],
   [1])
  ])

 AS_IF(
  [test x"$ac_cv_enable_winapi" = xno],
  [AS_IF(
   [test "x$ac_cv_func_ioctl" != xyes],
   [AC_MSG_FAILURE(
    [Missing function: ioctl],
    [1])
   ])
  ])

 AS_IF(
  [test "x$ac_cv_func_lseek" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: lseek],
   [1])
  ])

 AS_IF(
  [test "x$ac_cv_func_open" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: open],
   [1])
  ])

 AS_IF(
  [test "x$ac_cv_func_read" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: read],
   [1])
  ])

 AS_IF(
  [test "x$ac_cv_func_write" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: write],
   [1])
  ])

 dnl File stream functions used in libcfile/libcfile_stream.c
 AC_CHECK_FUNCS([fclose feof fileno fopen fread fseeko fseeko64 ftello ftello64 fwrite])

 AS_IF(
  [test "x$ac_cv_func_fclose" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: fclose],
   [1])
  ])

 AS_IF(
  [test "x$ac_cv_func_feof" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: feof],
   [1])
  ])

 AS_IF(
  [test "x$ac_cv_func_fopen" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: fopen],
   [1])
  ])

 AS_IF(
  [test "x$ac_cv_func_fread" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: fread],
   [1])
  ])

 AS_IF(
  [test "x$ac_cv_func_fseeko" != xyes && test "x$ac_cv_func_fseeko64" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: fseeko and fseeko64],
   [1])
  ])

 AS_IF(
  [test "x$ac_cv_func_ftello" != xyes && test "x$ac_cv_func_ftello64" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: ftello and ftello64],
   [1])
  ])

 AS_IF(
  [test "x$ac_cv_func_fwrite" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: fwrite],
   [1])
  ])

 dnl File input/output functions used in libcfile/libcfile_support.c
 AC_CHECK_FUNCS([stat])

 AS_IF(
  [test "x$ac_cv_func_stat" != xyes],
  [AC_MSG_FAILURE(
   [Missing function: stat],
   [1])
  ])

 ac_cv_libcfile_CPPFLAGS="-I../libcfile";
 ac_cv_libcfile_LIBADD="../libcfile/libcfile.la";

 ac_cv_libcfile=local
 ])

dnl Function to detect how to enable libcfile
AC_DEFUN([AX_LIBCFILE_CHECK_ENABLE],
 [AX_COMMON_ARG_WITH(
  [libcfile],
  [libcfile],
  [search for libcfile 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_LIBCFILE_CHECK_LIB

 dnl Check if the dependencies for the local library version
 AS_IF(
  [test "x$ac_cv_libcfile" != xyes],
  [AX_LIBCFILE_CHECK_LOCAL

  AC_DEFINE(
   [HAVE_LOCAL_LIBCFILE],
   [1],
   [Define to 1 if the local version of libcfile is used.])
  AC_SUBST(
   [HAVE_LOCAL_LIBCFILE],
   [1])
  ])

 AM_CONDITIONAL(
  [HAVE_LOCAL_LIBCFILE],
  [test "x$ac_cv_libcfile" = xlocal])
 AS_IF(
  [test "x$ac_cv_libcfile_CPPFLAGS" != "x"],
  [AC_SUBST(
   [LIBCFILE_CPPFLAGS],
   [$ac_cv_libcfile_CPPFLAGS])
  ])
 AS_IF(
  [test "x$ac_cv_libcfile_LIBADD" != "x"],
  [AC_SUBST(
   [LIBCFILE_LIBADD],
   [$ac_cv_libcfile_LIBADD])
  ])

 AS_IF(
  [test "x$ac_cv_libcfile" = xyes],
  [AC_SUBST(
   [ax_libcfile_pc_libs_private],
   [-lcfile])
  ])

 AS_IF(
  [test "x$ac_cv_libcfile" = xyes],
  [AC_SUBST(
   [ax_libcfile_spec_requires],
   [libcfile])
  AC_SUBST(
   [ax_libcfile_spec_build_requires],
   [libcfile-devel])
  ])
 ])