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dnl Checks for libcerror required headers and functions
dnl
dnl Version: 20181117
dnl Function to detect if libcerror is available
dnl ac_libcerror_dummy is used to prevent AC_CHECK_LIB adding unnecessary -l<library> arguments
AC_DEFUN([AX_LIBCERROR_CHECK_LIB],
[AS_IF(
[test "x$ac_cv_enable_shared_libs" = xno || test "x$ac_cv_with_libcerror" = xno],
[ac_cv_libcerror=no],
[dnl Check if the directory provided as parameter exists
AS_IF(
[test "x$ac_cv_with_libcerror" != x && test "x$ac_cv_with_libcerror" != xauto-detect],
[AS_IF(
[test -d "$ac_cv_with_libcerror"],
[CFLAGS="$CFLAGS -I${ac_cv_with_libcerror}/include"
LDFLAGS="$LDFLAGS -L${ac_cv_with_libcerror}/lib"],
[AC_MSG_FAILURE(
[no such directory: $ac_cv_with_libcerror],
[1])
])
ac_cv_libcerror=check],
[dnl Check for a pkg-config file
AS_IF(
[test "x$cross_compiling" != "xyes" && test "x$PKGCONFIG" != "x"],
[PKG_CHECK_MODULES(
[libcerror],
[libcerror >= 20120425],
[ac_cv_libcerror=yes],
[ac_cv_libcerror=check])
])
AS_IF(
[test "x$ac_cv_libcerror" = xyes],
[ac_cv_libcerror_CPPFLAGS="$pkg_cv_libcerror_CFLAGS"
ac_cv_libcerror_LIBADD="$pkg_cv_libcerror_LIBS"])
])
AS_IF(
[test "x$ac_cv_libcerror" = xcheck],
[dnl Check for headers
AC_CHECK_HEADERS([libcerror.h])
AS_IF(
[test "x$ac_cv_header_libcerror_h" = xno],
[ac_cv_libcerror=no],
[dnl Check for the individual functions
ac_cv_libcerror=yes
AC_CHECK_LIB(
cerror,
libcerror_get_version,
[ac_cv_libcerror_dummy=yes],
[ac_cv_libcerror=no])
dnl Error functions
AC_CHECK_LIB(
cerror,
libcerror_error_free,
[ac_cv_libcerror_dummy=yes],
[ac_cv_libcerror=no])
AC_CHECK_LIB(
cerror,
libcerror_error_set,
[ac_cv_libcerror_dummy=yes],
[ac_cv_libcerror=no])
AC_CHECK_LIB(
cerror,
libcerror_error_matches,
[ac_cv_libcerror_dummy=yes],
[ac_cv_libcerror=no])
AC_CHECK_LIB(
cerror,
libcerror_error_fprint,
[ac_cv_libcerror_dummy=yes],
[ac_cv_libcerror=no])
AC_CHECK_LIB(
cerror,
libcerror_error_sprint,
[ac_cv_libcerror_dummy=yes],
[ac_cv_libcerror=no])
AC_CHECK_LIB(
cerror,
libcerror_error_backtrace_fprint,
[ac_cv_libcerror_dummy=yes],
[ac_cv_libcerror=no])
AC_CHECK_LIB(
cerror,
libcerror_error_backtrace_sprint,
[ac_cv_libcerror_dummy=yes],
[ac_cv_libcerror=no])
dnl System error functions
AC_CHECK_LIB(
cerror,
libcerror_system_set_error,
[ac_cv_libcerror_dummy=yes],
[ac_cv_libcerror=no])
ac_cv_libcerror_LIBADD="-lcerror"])
])
AS_IF(
[test "x$ac_cv_with_libcerror" != x && test "x$ac_cv_with_libcerror" != xauto-detect && test "x$ac_cv_libcerror" != xyes],
[AC_MSG_FAILURE(
[unable to find supported libcerror in directory: $ac_cv_with_libcerror],
[1])
])
])
AS_IF(
[test "x$ac_cv_libcerror" = xyes],
[AC_DEFINE(
[HAVE_LIBCERROR],
[1],
[Define to 1 if you have the `cerror' library (-lcerror).])
])
AS_IF(
[test "x$ac_cv_libcerror" = xyes],
[AC_SUBST(
[HAVE_LIBCERROR],
[1]) ],
[AC_SUBST(
[HAVE_LIBCERROR],
[0])
])
])
dnl Function to detect if libcerror dependencies are available
AC_DEFUN([AX_LIBCERROR_CHECK_LOCAL],
[dnl Headers included in libcerror/libcerror_error.c
AC_CHECK_HEADERS([stdarg.h varargs.h])
AS_IF(
[test "x$ac_cv_header_stdarg_h" != xyes && test "x$ac_cv_header_varargs_h" != xyes],
[AC_MSG_FAILURE(
[Missing headers: stdarg.h and varargs.h],
[1])
])
dnl Wide character string functions used in libcerror/libcerror_error.c
AS_IF(
[test "x$ac_cv_enable_wide_character_type" != xno],
[AC_CHECK_FUNCS([wcstombs])
AS_IF(
[test "x$ac_cv_func_wcstombs" != xyes],
[AC_MSG_FAILURE(
[Missing function: wcstombs],
[1])
])
])
dnl Check for error string functions used in libcerror/libcerror_system.c
AC_FUNC_STRERROR_R()
AS_IF(
[test "x$ac_cv_have_decl_strerror_r" != xyes],
[AC_CHECK_FUNCS([strerror])
AS_IF(
[test "x$ac_cv_func_strerror" != xyes],
[AC_MSG_FAILURE(
[Missing functions: strerror_r and strerror],
[1])
])
])
ac_cv_libcerror_CPPFLAGS="-I../libcerror";
ac_cv_libcerror_LIBADD="../libcerror/libcerror.la";
ac_cv_libcerror=local
])
dnl Function to detect how to enable libcerror
AC_DEFUN([AX_LIBCERROR_CHECK_ENABLE],
[AX_COMMON_ARG_WITH(
[libcerror],
[libcerror],
[search for libcerror in includedir and libdir or in the specified DIR, or no if to use local version],
[auto-detect],
[DIR])
dnl Check for a shared library version
AX_LIBCERROR_CHECK_LIB
dnl Check if the dependencies for the local library version
AS_IF(
[test "x$ac_cv_libcerror" != xyes],
[AX_LIBCERROR_CHECK_LOCAL
AC_DEFINE(
[HAVE_LOCAL_LIBCERROR],
[1],
[Define to 1 if the local version of libcerror is used.])
AC_SUBST(
[HAVE_LOCAL_LIBCERROR],
[1])
])
AM_CONDITIONAL(
[HAVE_LOCAL_LIBCERROR],
[test "x$ac_cv_libcerror" = xlocal])
AS_IF(
[test "x$ac_cv_libcerror_CPPFLAGS" != "x"],
[AC_SUBST(
[LIBCERROR_CPPFLAGS],
[$ac_cv_libcerror_CPPFLAGS])
])
AS_IF(
[test "x$ac_cv_libcerror_LIBADD" != "x"],
[AC_SUBST(
[LIBCERROR_LIBADD],
[$ac_cv_libcerror_LIBADD])
])
AS_IF(
[test "x$ac_cv_libcerror" = xyes],
[AC_SUBST(
[ax_libcerror_pc_libs_private],
[-lcerror])
])
AS_IF(
[test "x$ac_cv_libcerror" = xyes],
[AC_SUBST(
[ax_libcerror_spec_requires],
[libcerror])
AC_SUBST(
[ax_libcerror_spec_build_requires],
[libcerror-devel])
])
])
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