+2011-05-22 Tobias Burnus <burnus@net-b.de>
+
+ * runtime/stop.c (stop_string,error_stop_string): Minor cleanup.
+
+2011-05-22 Janne Blomqvist <jb@gcc.gnu.org>
+
+ PR libfortran/48931
+ * configure.ac: Check for backtrace_symbols_fd instead of
+ backtrace_symbols, check for readlink.
+ * config.h.in: Regenerated.
+ * configure: Regenerated.
+ * runtime/backtrace.c (local_strcasestr): Remove.
+ (bt_header): New function.
+ (dump_glibc_backtrace): Remove.
+ (fd_gets): New function.
+ (show_backtrace): Rework to use backtrace_symbols_fd and pipes
+ avoiding functions that are not async-signal-safe, reformat
+ output.
+ * runtime/main.c (store_exe_path): Try to check /proc/self/exe
+ first.
+
+2011-05-20 Janne Blomqvist <jb@gcc.gnu.org>
+ Uros Bizjak <ubizjak@gmail.com>
+
+ PR libfortran/48977
+ * configure.host: Swap order of glibc and x86 tests.
+
+2011-05-20 Janne Blomqvist <jb@gcc.gnu.org>
+
+ * config/fpu-387.h (set_fpu): Use renamed inexact macro.
+ * config/fpu-aix.h (set_fpu): Clarify error messages, use renamed
+ inexact macro, set TRP_INEXACT for inexact exception instead of
+ TRP_UNDERFLOW.
+ * config/fpu-generic.h (set_fpu): Clarify error messages, use
+ renamed inexact macro.
+ * config/fpu-glibc.h (set_fpu): Likewise.
+ * config/fpu-sysv.h (set_fpu): Likewise.
+
+2011-05-14 Tobias Burnus <burnus@net-b.de>
+
+ * runtime/stop.c (error_stop_string, error_stop_numeric):
+ Do not backtrace for ERROR STOP.
+
+2011-05-14 Janne Blomqvist <jb@gcc.gnu.org>
+
+ PR libfortran/48915
+ * intrinsics/abort.c (abort): Call sys_abort().
+ * io/unix.c (st_vprintf): Call sys_abort().
+ * libgfortran.h (options_t): Remove dump_core member.
+ (handler): Rename to backtrace_handler.
+ (compile_options_t): Remove dump_core member.
+ (sys_exit): Remove.
+ (sys_abort): New function.
+ * runtime/backtrace.c (show_backtrace): Print a message if
+ backtrace is not available on target, update filter symbol name
+ due to backtrace_handler renaming.
+ * runtime/compile_options.c (backtrace_handler): New
+ implementation based on example in Glibc manual.
+ (set_options): Remove dump_core handling, make signal handler
+ handle more signals.
+ (init_compile_options): Remove dump_core.
+ * runtime/environ.c (variable_table[]): Remove
+ GFORTRAN_ERROR_DUMPCORE element.
+ (show_variables): Update name, call exit().
+ * runtime/error.c (sys_exit): Remove.
+ (sys_abort): New function.
+ (recursion_check): Call sys_abort().
+ (os_error): Call exit().
+ (runtime_error): Likewise.
+ (runtime_error_at): Likewise.
+ (internal_error): Likewise.
+ (generate_error): Likewise.
+ (notify_std): Likewise.
+ * runtime/stop.c (stop_numeric): Call exit().
+ (stop_numeric_f08): Likewise.
+ (stop_string): Likewise.
+ (error_stop_string): Call sys_abort().
+ (error_stop_numeric): Print backtrace, exit with provided code.
+
+2011-05-14 Janne Blomqvist <jb@gcc.gnu.org>
+
+ * io/unix.c (st_vprintf,st_printf): Move to runtime/error.c.
+ * libgfortran.h (struct options_t): Remove use_stderr field.
+ (st_vprintf,st_printf): Move prototypes.
+ (estr_write): New prototype.
+ * runtime/error.c (sys_exit): Use estr_write instead of st_printf.
+ (estr_write): New function.
+ (st_vprintf): Move from io/unix.c, use stack allocated buffer,
+ always output to stderr.
+ (st_printf): Move from io/unix.c.
+ (show_locus): Use a local variable instead of static.
+ (os_error): Use estr_write instead of st_printf.
+ (runtime_error): Likewise.
+ (runtime_error_at): Likewise.
+ (runtime_warning_at): Likewise.
+ (internal_error): Likewise.
+ (generate_error): Likewise.
+ (generate_warning): Likewise.
+ (notify_std): Likewise.
+ * runtime/pause.c (do_pause): Likewise.
+ (pause_string): Likewise.
+ * runtime/stop.c (stop_string): Likewise.
+ (error_stop_string): Likewise.
+ * config/fpu_aix.h (set_fpu): Likewise.
+ * config/fpu_generic.h (set_fpu): Likewise.
+ * config/fpu_glibc.h (set_fpu): Likewise.
+ * config/fpu-sysv.h (set_fpu): Likewise.
+ * runtime/backtrace.c (dump_glibc_backtrace): Likewise.
+ (show_backtrace): Likewise.
+ * runtime/environ.c (print_spaces): Likewise.
+ (show_string): Likewise.
+ (show_variables): Likewise.
+ (variable_table[]): Remove GFORTRAN_USE_STDERR entry.
+
+2011-05-14 Tobias Burnus <burnus@net-b.de>
+
+ PR fortran/48961
+ * intrinsics/execute_command_line.c (set_cmdstat): Don't abort if
+ synchronously executing with WAIT=.false.
+ (execute_command_line): Fix setting of cmdstat and exitstat.
+
+2011-05-06 Tobias Burnus <burnus@net-b.de>
+
+ PR fortran/18918
+ * caf/libcaf.h: Cleanup headers.
+ (_gfortran_caf_critical, _gfortran_caf_end_critical): Make stub.
+ (caf_register_t): New enum.
+ (_gfortran_caf_register, _gfortran_caf_deregister): New prototype.
+ * caf/single.c (_gfortran_caf_critical,
+ _gfortran_caf_end_critical): Remove.
+ (_gfortran_caf_register, _gfortran_caf_deregister): New functions.
+ * caf/mpi.c (_gfortran_caf_critical,
+ _gfortran_caf_end_critical): Remove.
+ (_gfortran_caf_register, _gfortran_caf_deregister): New functions.
+ (caf_world_window): Remove global variable.
+ (_gfortran_caf_init): Fix off-by-one error of this_image.
+
+2011-05-04 Jerry DeLisle <jvdelisle@gcc.gnu.org>
+
+ PR libgfortran/48787
+ * io/write_float.def (output_float): Adjust up and down rounding for
+ cases where 'd' = 0. Gather common code to one location.
+
+2011-05-01 Jerry DeLisle <jvdelisle@gcc.gnu.org>
+
+ PR libgfortran/48787
+ * io/write_float.def (output_float): Gather up integer declarations and
+ add new 'p' for scale factor. Use 'p' in place of the 'dtp' reference
+ everywhere. For ROUND_UP scan the digit string and only perform
+ rounding if something other than '0' is found.
+
+2011-04-29 Janne Blomqvist <jb@gcc.gnu.org>
+
+ * io/unix.c (min): New macro.
+ (unpack_filename): Return errno number for errors.
+ (regular_file): Use appropriately sized buffer for path.
+ (compare_file_filename): Likewise.
+ (find_file): Likewise.
+ (delete_file): Likewise.
+ (file_exists): Likewise.
+ (file_size): Likewise.
+ (inquire_sequential): Likewise.
+ (inquire_direct): Likewise.
+ (inquire_formatted): Likewise.
+ (inquire_access): Likewise.
+
+2011-04-29 Janne Blomqvist <jb@gcc.gnu.org>
+
+ PR libfortran/48488
+ * io/write.c (write_real, write_real_g0): Update comments.
+
+2011-04-29 Jerry DeLisle <jvdelisle@gcc.gnu.org>
+ Janne Blomqvist <jb@gcc.gnu.org>
+
+ PR libgfortran/48488
+ PR libgfortran/48602
+ PR libgfortran/48615
+ PR libgfortran/48684
+ PR libgfortran/48787
+ * io/write.c (write_d, write_e, write_f, write_en,
+ write_es): Add precision compemsation parameter to call.
+ (set_fnode_default): Adjust default widths to assure
+ round trip on write and read. (write_real): Adjust call to write_float.
+ (write_real_g0): Calculate compensation for extra precision and adjust
+ call to write_float.
+ * io/write_float.def (output_float_FMT_G_): Use volatile rather than
+ asm volatile to avoid optimization issue. Correctly calculate the
+ number of blanks (nb) to be appended and simplify calculation logic.
+ (write_float): Increase MIN_FIELD_WIDTH by one to accomodate the new
+ default widths. Eliminate the code that attempted to reduce the
+ the precision used in later sprintf functions. Add call parameter to
+ compensate for extra precision.
+
+2011-04-20 Jim Meyering <meyering@redhat.com>
+
+ * intrinsics/move_alloc.c (move_alloc): Remove useless
+ if-before-free test.
+ * io/fbuf.c (fbuf_destroy): Likewise.
+ * io/format.c (save_parsed_format): Likewise.
+ * io/open.c (already_open): Likewise.
+ * io/unit.c (free_internal_unit, close_unit_1): Likewise.
+ * io/unix.c (mem_close): Likewise.
+
+2011-04-19 Jerry DeLisle <jvdelisle@gcc.gnu.org>
+
+ PR libgfortran/48602
+ * io/write_float.def (output_float_FMT_G): Fix reversal in conditional.
+ Use asm volatile to mark temp variable, avoiding optimization errors.
+
+2011-04-17 Jerry DeLisle <jvdelisle@gcc.gnu.org>
+
+ PR libgfortran/48602
+ * io/write_float.def (output_float_FMT_G): Use current rounding mode
+ to set the rounding parameters. (output_float): Skip rounding
+ if value is zero.
+
2011-04-16 Janne Blomqvist <jb@gcc.gnu.org>
* intrinsics/date_and_time.c (date_and_time): Remove sprintf CPP