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dnl Checks for libregf required headers and functions
dnl
dnl Version: 20190308
dnl Function to detect if libregf is available
dnl ac_libregf_dummy is used to prevent AC_CHECK_LIB adding unnecessary -l<library> arguments
AC_DEFUN([AX_LIBREGF_CHECK_LIB],
[AS_IF(
[test "x$ac_cv_enable_shared_libs" = xno || test "x$ac_cv_with_libregf" = xno],
[ac_cv_libregf=no],
[ac_cv_libregf=check
dnl Check if the directory provided as parameter exists
AS_IF(
[test "x$ac_cv_with_libregf" != x && test "x$ac_cv_with_libregf" != xauto-detect],
[AS_IF(
[test -d "$ac_cv_with_libregf"],
[CFLAGS="$CFLAGS -I${ac_cv_with_libregf}/include"
LDFLAGS="$LDFLAGS -L${ac_cv_with_libregf}/lib"],
[AC_MSG_FAILURE(
[no such directory: $ac_cv_with_libregf],
[1])
])
],
[dnl Check for a pkg-config file
AS_IF(
[test "x$cross_compiling" != "xyes" && test "x$PKGCONFIG" != "x"],
[PKG_CHECK_MODULES(
[libregf],
[libregf >= 20120405],
[ac_cv_libregf=yes],
[ac_cv_libregf=check])
])
AS_IF(
[test "x$ac_cv_libregf" = xyes],
[ac_cv_libregf_CPPFLAGS="$pkg_cv_libregf_CFLAGS"
ac_cv_libregf_LIBADD="$pkg_cv_libregf_LIBS"])
])
AS_IF(
[test "x$ac_cv_libregf" = xcheck],
[dnl Check for headers
AC_CHECK_HEADERS([libregf.h])
AS_IF(
[test "x$ac_cv_header_libregf_h" = xno],
[ac_cv_libregf=no],
[dnl Check for the individual functions
ac_cv_libregf=yes
AC_CHECK_LIB(
regf,
libregf_get_version,
[ac_cv_libregf_dummy=yes],
[ac_cv_libregf=no])
dnl TODO add functions
ac_cv_libregf_LIBADD="-lregf"])
])
AS_IF(
[test "x$ac_cv_with_libregf" != x && test "x$ac_cv_with_libregf" != xauto-detect && test "x$ac_cv_libregf" != xyes],
[AC_MSG_FAILURE(
[unable to find supported libregf in directory: $ac_cv_with_libregf],
[1])
])
])
AS_IF(
[test "x$ac_cv_libregf" = xyes],
[AC_DEFINE(
[HAVE_LIBREGF],
[1],
[Define to 1 if you have the `regf' library (-lregf).])
])
AS_IF(
[test "x$ac_cv_libregf" = xyes],
[AC_SUBST(
[HAVE_LIBREGF],
[1]) ],
[AC_SUBST(
[HAVE_LIBREGF],
[0])
])
])
dnl Function to detect if libregf dependencies are available
AC_DEFUN([AX_LIBREGF_CHECK_LOCAL],
[dnl Headers included in libregf/libregf_file.h, libregf/libregf_key.h
dnl libregf/libregf_key_item_values.h and libregf/libregf_value_item_values.h
AC_CHECK_HEADERS([wctype.h])
dnl Functions used in libregf/libregf_file.h, libregf/libregf_key.h
dnl libregf/libregf_key_item_values.h and libregf/libregf_value_item_values.h
AC_CHECK_FUNCS([towupper])
AS_IF(
[test "x$ac_cv_func_towupper" != xyes],
[AC_MSG_FAILURE(
[Missing function: towupper],
[1])
])
ac_cv_libregf_CPPFLAGS="-I../libregf";
ac_cv_libregf_LIBADD="../libregf/libregf.la";
ac_cv_libregf=local
])
dnl Function to detect how to enable libregf
AC_DEFUN([AX_LIBREGF_CHECK_ENABLE],
[AX_COMMON_ARG_WITH(
[libregf],
[libregf],
[search for libregf 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_LIBREGF_CHECK_LIB
dnl Check if the dependencies for the local library version
AS_IF(
[test "x$ac_cv_libregf" != xyes],
[AX_LIBREGF_CHECK_LOCAL
AC_DEFINE(
[HAVE_LOCAL_LIBREGF],
[1],
[Define to 1 if the local version of libregf is used.])
AC_SUBST(
[HAVE_LOCAL_LIBREGF],
[1])
])
AM_CONDITIONAL(
[HAVE_LOCAL_LIBREGF],
[test "x$ac_cv_libregf" = xlocal])
AS_IF(
[test "x$ac_cv_libregf_CPPFLAGS" != "x"],
[AC_SUBST(
[LIBREGF_CPPFLAGS],
[$ac_cv_libregf_CPPFLAGS])
])
AS_IF(
[test "x$ac_cv_libregf_LIBADD" != "x"],
[AC_SUBST(
[LIBREGF_LIBADD],
[$ac_cv_libregf_LIBADD])
])
AS_IF(
[test "x$ac_cv_libregf" = xyes],
[AC_SUBST(
[ax_libregf_pc_libs_private],
[-lregf])
])
AS_IF(
[test "x$ac_cv_libregf" = xyes],
[AC_SUBST(
[ax_libregf_spec_requires],
[libregf])
AC_SUBST(
[ax_libregf_spec_build_requires],
[libregf-devel])
])
])
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