+ [case "$host_os" in
+ mingw*)
+ dnl Native Windows.
+ dnl The result of lseek (fd, (off_t)0, SEEK_CUR) or
+ dnl SetFilePointer(handle, 0, NULL, FILE_CURRENT)
+ dnl for a pipe depends on the environment: In a Cygwin 1.5
+ dnl environment it succeeds (wrong); in a Cygwin 1.7 environment
+ dnl it fails with a wrong errno value.
+ gl_cv_func_lseek_pipe=no
+ ;;
+ *)
+ if test $cross_compiling = no; then
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[