X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=binutils%2FChangeLog;h=e1e8cec53deca2ac3eeca032a87c3fe6d774c235;hb=2c73f9d86113b392342ec5a8cff8a42be78bd429;hp=7c8823134d773781c5c661e7c14af95b69f86513;hpb=8db76d70acce22b7730151f049dfe023b0620b0e;p=deliverable%2Fbinutils-gdb.git diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 7c8823134d..e1e8cec53d 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,648 @@ +2002-02-10 Daniel Jacobowitz + + * nlmconv.c: Back out localtime PARAMS change. + +2002-02-11 Alan Modra + + * objcopy.c (MKDIR): Define. + (copy_archive): Make name_list.name const. Use MKDIR. + Handle duplicate files in archives by making more temp dirs. + +2002-02-10 Daniel Jacobowitz + + * coffdump.c: Include "getopt.h" after "bucomm.h" + so that macros are defined correctly. + * nlmconv.c: Add PARAMS ((const time_t *)) to localtime + prototype. Prototype main. + * nlmheader.y: Add PARAMS ((int)) to strerror prototype. + +2002-02-06 Alexandre Oliva + + * MAINTAINERS: Added self as SH co-maintainer. + +2002-02-05 Nick Clifton + + * po/tr.po: Updated translation. + +2002-02-01 Alan Modra + + * Makefile.am: Run "make dep-am" + * Makefile.in: Regenerate. + +2002-01-29 Daniel Jacobowitz + + * nm.c (print_value): Mark abfd unused. + +2002-01-29 Daniel Jacobowitz + + * unwind-ia64.c (unw_decoder): Change second argument + to unsigned int, to match function prototypes. + +2002-01-29 Daniel Jacobowitz + + * objdump.c: Include "getopt.h" after "bucomm.h" so that + __GNU_LIBRARY__ will be defined. + * size.c: Likewise. + +2002-01-27 Daniel Jacobowitz + + * configure: Regenerated. + +2002-01-26 Hans-Peter Nilsson + + * doc/Makefile.am (install): Depend on install-info. + * doc/Makefile.in: Regenerate. + +2002-01-25 Jason R. Thorpe + + * objcopy.c (strip_usage): Document -d as an alias + --strip-debug. + + * size.c (usage): Document [-t | --totals] options. + (long_options): Add --totals option. + (main): If the [-t | --totals] option is specified and + the output format is Berkeley-style, print the total + text, data, and bss sizes of all objects listed. + (print_berkeley_format): If the [-t | --totals] option + is specified, track the total text, data, and bss + sizes. + * doc/binutils.texi (size): Document [-t | --totals] options. + (strip): Document -d as an alias for --strip-debug. + * NEWS: Mention new feature of size. + +2002-01-25 Nick Clifton + + * po/fr.po: Updated version. + * po/es.po: Updated version. + +2002-01-23 Nick Clifton + + * addr2line.c (usage): Update text to provide verbose + description of the command line options. + * ar.c (usage): Update text to provide verbose + description of the command line options. + (main): Accept -h and -H when running as ranlib. + * coffdump.c (show_usage): Update text to provide verbose + description of the command line options. + * dlltool.c (main): Accept -H as an alias for --help. + * nlmconv.c (show_usage): Update text to provide verbose + description of the command line options. + * nm.c (usage): Replace OPTIONS with option(s). + (main): Accept -H as an alias for --help. + * objcopy.c (strip_main): Accept -H as an alias for --help. + * objdump.c (main): Accept -v as an alias for --verbose. + * readelf.c (usage): Adjust format to match style used in + other binutils. + * size.c (usage): Update text to provide verbose description + of the command line options. + (main): Accept -v, -h and -H as command line options. + * srconv.c (show_usage): Update text to provide verbose + description of the command line options. + * strings.c (main): Accept -H and -v as command line options. + (usage): Update text to provide verbose description of the + command line options. + * sysdump.c (show_usage): Update text to provide verbose + description of the command line options. + * windres.c (usage): Adjust format to match style used in + other binutils. + + * coffdump.c: Fix formatting. + * nlmconv.c: Fix formatting. + * srconv.c: Fix formatting. + * sysdump.c: Fix formatting. + +2002-01-22 Alan Modra + + * Makefile.am: Run "make dep-am". + * Makefile.in: Regenerate. + +2002-01-18 Andreas Jaeger + + * version.c (print_version): Update year. + +2002-01-17 Alan Modra + + * readelf.c (get_machine_name): Handle EM_PPC64. + (guess_is_rela): Here too. + +2002-01-17 Nick Clifton + + * po/binutils.pot: Regenerate. + * po/fr.po: Regenerate. + * po/tr.po: Regenerate. + +2002-01-16 Nick Clifton + + * po/tr.po: Import new version. + +2002-01-16 Alan Modra + + * readelf.c (get_ppc64_dynamic_type): New. + (get_dynamic_type): Call it. + +2002-01-15 Nick Clifton + + * objcopy.c (copy_usage): Use "options" instead of "switches". + (strip_usage): Use "options" instead of "switches". + * doc/binutils.texi (dlltool): Refer to "options" instead of + "switches". + +2002-01-14 Richard Earnshaw + + * MAINTAINERS: Add self as co-maintainer for the ARM code. + +2001-12-18 Nick Clifton + + * po/es.po: Import from translation project. + * configure.in (ALL_LINGUAS): Add es. + * configure: Regenerate. + +2002-01-09 Jason Thorpe + + * readelf.c (get_netbsd_elfcore_note_type): Use + NT_NETBSDCORE_PROCINFO and NT_NETBSDCORE_FIRSTMACH. + +2002-01-09 Jason Thorpe + + * readelf.c: Update copyright years. + (get_note_type): Return a const char *. + (get_netbsd_elfcore_note_type): New function. + (process_note): Use get_netbsd_elfcore_note_type to get + the note type string for NetBSD ELF core files. + +2002-01-06 Steve Ellcey + + * readelf.c (get_ia64_segment_type): Add support for macros. + (get_segment_type): Add support for IA64 specific macros. + +2001-12-20 Julian v. Bock + + * readelf.c (print_symbol): New function: Print a formatted symbol + name. If --wide is specified do not truncate it. + (dump_relocations): Use print_symbol() to print symbol names. + (process_symbol_table): Likewise. + (process_syminfo): Likewise. + (process_mips_specific): Likewise. + (usage): Document new feature of --wide switch. + * doc/binutils.texi (objdump): Document additional behaviour of + --wide. + +2001-12-18 Michael Snyder + + * objcopy.c (copy_file): Accept corefiles (format bfd_core). + (copy_object): Don't set the start address or flags of a core file. + (copy_section): Don't relocate a core file. Don't copy contents + if the input section has the contents flag set, but the output + section does not (which happens with the fake 'note' pseudo- + sections that BFD creates for corefiles). + +2001-12-18 Thiemo Seufer + + * readelf.c (get_machine_flags): Recognize header flags for ABI and + ASE extensions. More robust code for ISA checking. Ignore empty fields + in header flags for GNU extensions. + +2001-12-18 Alan Modra + + * objcopy.c (copy_archive): Set output bfd format outside the loop. + +2001-12-18 Nick Clifton + + * po/ja.po: Import from translation project. + * configure.in (ALL_LINGUAS): Add ja. + * configure: Regenerate. + +2001-12-18 Thiemo Seufer + + * addr2line.c (main): Protoype. + * ar.c (main): Protoype. + * nm.c (main): Protoype. + * objcopy.c (main): Protoype. + * objdump.c (main): Protoype. + * size.c (main): Protoype. + * strings.c (main): Protoype. + +2001-12-17 Alan Modra + + * readelf.c (symtab_shndx_hdr): New global. + (SECTION_HEADER_INDEX): Define. + (SECTION_HEADER_NUM): Define. + (SECTION_HEADER): Define. + (GET_ELF_SYMBOLS): Pass two params rather than three. + (get_32bit_elf_symbols): Take file and section args. Read and + use SHT_SYMTAB_SHNDX. + (get_64bit_elf_symbols): Likewise. + (dump_relocations): Use SECTION_HEADER to index "section_headers". + (process_section_headers): Likewise. Use SECTION_HEADER_NUM too. + Remember symtab_shdx_hdr. + (process_program_headers): Scan from index 1 for segment map. + (slurp_ia64_unwind_table): Use SECTION_HEADER to index + "section_headers". + (process_relocs): Likewise. Also adjust call to GET_ELF_SYMBOLS. + (process_unwind): Likewise. + (process_version_sections): Likewise. + (process_symbol_table): Likewise. + (display_debug_info): Likewise. + (process_dynamic_segment): Fake up a symtab section for changed + GET_ELF_SYMBOLS. + (get_symbol_index_type): Check SHN_LOOS before SHN_LORESERVE. + (process_program_headers): Kill signed/unsigned warning. + (load_debug_str): Likewise. + (display_debug_info): Likewise. + +2001-12-13 Jakub Jelinek + + * readelf.c (get_segment_type): Support PT_GNU_EH_FRAME. + +2001-12-11 Alan Modra + + * readelf.c (process_file_header): Print extended e_shnum and + e_shdtrndx values. Set elf_header values for same. + (get_32bit_section_headers): Add "num" arg to read "num" headers. + (get_64bit_section_headers): Likewise. + (process_section_headers): Update calls. + (get_file_header): Call get_32bit_section_headers or 64bit variant. + +2001-12-10 Jakub Jelinek + + * objcopy.c (setup_section): Copy entsize. + +2001-12-07 Geoffrey Keating + + * readelf.c (guess_is_rela): Add support for stormy16. + (dump_relocations): Likewise. + (get_machine_name): Likewise. + +2001-12-05 Nick Clifton + + * dllwrap.c (main) Replace multiple strings describing a + single error with a single, newline escaped sentence to permit + better translation into foreign languages. + + * readelf.c (get_elf_class): Remove internalionalisation of ELF + class names. + +2001-12-04 Thiemo Seufer + + * strings.c (get_char): Initialize value. + +2001-12-04 Thiemo Seufer + + * arlex.l: Silence compile warnings. + * arsup.h: Likewise. Fix formatting. + +2001-12-04 Jakub Jelinek + + * strings.c: Include config.h before bfd.h. + (file_off): New type. + (file_open): Define. + (print_strings): Use file_off instead of file_ptr. Print addresses + which don't fit into long correctly. + (get_char): Use file_off instead of file_ptr. Use getc_unlocked if + available. + (strings_file): Use file_off instead of file_ptr. Use file_open. + * configure.in: Check for getc_unlocked. + Check for fopen64 and whether _LARGEFILE64_SOURCE needs to + be defined for it. + * configure: Rebuilt. + * config.h.in: Rebuilt. + +2001-11-29 H.J. Lu + + * bucomm.c (make_tempname): Revert the changes made on + 2001-11-14 and 2001-11-12. They won't work with directories. + +2001-11-23 John David Anglin + + * binutils/Makefile.am (check-DEJAGNU): Pass CC_FOR_TARGET and + CFLAGS_FOR_TARGET to runtest in environment. + * Makefile.in: Rebuild. + * doc/Makefile.in: Rebuild. + +2001-11-28 Mike Stump + + * objcopy.c (setup_section): Preserve SEC_RELOC when + --set-section-flags is used. + +2001-11-19 Nick Clifton + + * readelf.c (do_debug_str): New variable. + (display_debug_str): New function: Display the contents of a + .debug_str section. + (load_debug_str): New function: Load in the contents of a + .debug_str section. + (free_debug_str): New function: Free the memory used by + load_debug_str(). + (fetch_indirect_string): Retrieve a string from the .debug_str + section. + (usage): Add -ws. + (parse_args): Accept -ws. + (process_section_headers): Allow the display of the .debug_str + section. + (read_and_display_attr_value): Use fetch_indirect_string. Show + offset into .debug_str section. + (display_debug_info): Use load_debug_str and free_debug_str. + (debug_displays): Add .debug_str. + * doc/binutils.texi: Document -ws. + +2001-11-19 Andreas Jaeger + + * testsuite/binutils-all/objdump.exp: Add x86-64. + +2001-11-15 Andreas Schwab + + * readelf.c: Fix warnings without terminating newline. + +2001-11-15 Alan Modra + + * doc/binutils.texi (objdump): Document ppc -M options. + +2001-11-14 Andreas Jaeger + + * doc/binutils.texi (objdump): Fix description to use x86-64. + +2001-11-14 Nick Clifton + + * bucomm.c (make_tempname): Use mkstemps instead of mkstemp, since + not all systems provide mkstemp. + +2001-11-14 Alan Modra + + * doc/binutils.texi (objdump): Document x86 -M options. + +2001-11-13 Keith Walker + + * readelf.c (read_and_display_attr_value): New function to + handle DW_FORM_indirect. + (read_and_display_attr): Use it. + +2001-11-13 Geoffrey Keating + + * readelf.c (display_debug_lines): Deal with unknown standard + opcodes. Handle DW_LNS_set_prologue_end, DW_LNS_set_epilogue_begin, + DW_LNS_set_isa. + +2001-11-13 Timothy Wall + + * MAINTAINERS: Add self as tic54x maintainer. This target + includes the IBM C54XDSP clone. + +2001-11-12 * Steven J. Hill + + * bucomm.c (make_tempname): Use mkstemp in place of mktemp. + +2001-11-09 Jeffrey A Law (law@cygnus.com) + + * unwind-ia64.c (unw_print_brmask): Fix ISO C portability glitch. + (unw_print_grmask, unw_print_frmask, unw_print_abreg): Likewise. + (unw_print_xyreg, unw_decode_x1, unw_decode_x2): Likewise. + (unw_decode_x3, unw_decode_r1, unw_decode_r2): Likewise. + (unw_decode_r3, unw_decode_p1, unw_decode_p2_p5): Likewise. + (unw_decode_p6, unw_decode_p7_p10, unw_decode_b1): Likewise. + (unw_decode_b2, unw_decode_b3_b4): Likewise. + + * readelf.c (get_elf_class): Fix ISO portability glitch. + (get_data_encoding, get_osabi_name, request_dump): Likewise. + +2001-11-07 Jakub Jelinek + + * readelf.c (debug_str, debug_str_size): New. + (display_debug_abbrev): If no abbrevs were read, skip the CU. + Call free_abbrevs. + (read_and_display_addr): Handle DW_FORM_strp. + (display_debug_info): Read .debug_str section if present, + so that DW_FORM_strp can be handled. + Fix test for non-existant .debug_abbrev section. + +2001-11-05 Jakub Jelinek + + * arlex.l: Accept `\' in filenames. Patch by . + + * arsup.c (ar_open): Prepend tmp- to basename, not whole path. + +2001-11-05 Martin Schwidefsky + + * MAINTAINERS: Add self as s390/s390x maintainer. + +2001-11-02 Tom Rix + + * MAINTAINERS: Add self as PPC XCOFF maintainer. + +2001-11-02 Nick Clifton + + * configure.in (ALL_LINGUAS): Add "fr" and "tr". + * configure: Regernate. + * po/fr.po: New file. + * po/tr.po: New file. + +2001-10-30 Hans-Peter Nilsson + + * MAINTAINERS: Add self as MMIX port maintainer. + * readelf.c: Include elf/mmix.h. + (guess_is_rela): MMIX is RELA. + (dump_relocations): Handle MMIX relocations. + * Makefile.am: Regenerate dependencies. + * Makefile.in: Regenerate. + +2001-10-13 Nick Clifton + + * readelf.c (parse_args): Handle multiple options to the -w + switch. + +2001-10-12 Jakub Jelinek + + * readelf.c (get_section_type_name): Don't print SHT_ prefix for + LOPROC, LOOS and LOUSER. + +2001-10-11 J"orn Rennecke + + * MAINTAINERS: Update my email address. + +2001-10-03 Alan Modra + + * doc/Makefile.in: Regenerate. + * configure: Regenerate. + +2001-10-02 Nick Clifton + + * readelf.c (display_debug_line, display_debug_pubnames, + display_debug_info, display_debug_frames): Detect and warn + about 64-bit format entries. + (display_debug_aranges): Reword 64-bit warning. + (debug_displays): Add .debug_pubtypes as a known, but not yet + supported, debug section. + +2001-10-02 Alan Modra + + * coffdump.c (PROGRAM_VERSION): Delete. + (main <'V'>): Call print_version. + * srconv.c: Likewise. + * sysdump.c: Likewise. + * version.c (program_version): Remove. + (print_version): Use BFD_VERSION_STRING. Just print the current + year in copyright message. + * addr2line.c (program_version): Remove unused declaration. + * objdump.c (display_target_tables): Use BFD_VERSION_STRING in + place of BFD_VERSION. + * Makefile.am (Makefile): Depend on bfd/configure.in. + (cplus-dem.o): Depend on Makefile. + Run "make dep-am". + * Makefile.in: Regenerate. + +2001-10-01 Nick Clifton + + * readelf.c (display_debug_aranges): Detect and warn about DWARF64 + format .debug_arange sections. + (main): Add missing prototype. + +2001-09-30 Hans-Peter Nilsson + + * Makefile.am: Update dependencies with "make dep-am". + * Makefile.in: Regenerate. + +2001-09-28 Richard Henderson + + * objdump.c (dump_section_header): Dump SEC_ARCH_BIT_0. + +2001-09-26 Alan Modra + + * bucomm.c (fatal): Define using VPARAMS, VA_OPEN, VA_FIXEDARG, + VA_CLOSE. + (non_fatal): Likewise. + * objdump.c (objdump_sprintf): Likewise. + * readelf.c (error): Likewise. + (warn): Likewise. + +2001-09-25 Jakub Jelinek + + * readelf.c (do_wide): New. + (options): Add --wide. + (usage, parse_args): Likewise. + (process_program_headers): Put each segment on a single line if + --wide is given. + (process_section_headers): Put each section on a single line if + --wide is given. + * doc/binutils.texi: Document it. + * NEWS: Likewise. + +2001-09-25 Alan Modra + + * readelf.c (print_vma): Print 8 digits of low hex value. + +2001-09-24 Andreas Jaeger + + * nlmconv.c: Fix warnings about unused attributes and function + prototypes. + + * strings.c: Add prototype for get_char. + +2000-09-19 H.J. Lu + + * doc/Makefile.am ($(DEMANGLER_NAME).1): Try cxxfilt.man and + $(srcdir)/cxxfilt.man. + * doc/Makefile.in: Rebuild. + +2001-09-19 Alan Modra + + * objcopy.c (copy_main): Correct rename-section string parsing. + Consolidate new_name parsing, and error messages. + +2001-09-18 Bruno Haible + + * addr2line.c: Don't include . + (main): For gettext, also set the LC_CTYPE locate facet. + * ar.c (main): Likewise. + * coffdump.c (main): Likewise. + * dlltool.c: Include "safe-ctype.h" instead of . + (main): For gettext, also set the LC_CTYPE locate facet. + Use ISALNUM instead of isalpha/isdigit. + * dllwrap.c: Don't include . + (main): For gettext, also set the LC_CTYPE locate facet. + * nlmconv.c: Include "safe-ctype.h" instead of . + (main): For gettext, also set the LC_CTYPE locate facet. + Use TOUPPER instead of islower/toupper. + * nlmheader.y: Include "safe-ctype.h" instead of . + (yylex): Use ISSPACE/ISALNUM instead of isspace/isalnum. + Use TOUPPER instead of islower/toupper. + * nm.c (main): For gettext, also set the LC_CTYPE locate facet. + * objcopy.c (main): Likewise. + * objdump.c: Include "safe-ctype.h" instead of . + (disassemble_bytes): Use ISPRINT instead of isprint. + (dump_section_stabs): Use ISDIGIT instead of isdigit. + (dump_data): Use ISPRINT instead of isprint. + (main): For gettext, also set the LC_CTYPE locate facet. + * rclex.l: Include "safe-ctype.h" instead of . + (cpp_line, handle_quotes): Use ISSPACE instead of isspace. + * rcparse.y: Include "safe-ctype.h" instead of . + Use TOUPPER instead of islower/toupper. + * readelf.c (main): For gettext, also set the LC_CTYPE locate facet. + * resrc.c: Include "safe-ctype.h" instead of . + (write_rc_accelerators): Use ISPRINT instead of isprint. + (write_rc_rcdata): Likewise. + * size.c (main): For gettext, also set the LC_CTYPE locate facet. + * srconv.c (main): Likewise. + * stabs.c: Include "safe-ctype.h" instead of . + (parse_number): Use ISDIGIT/ISUPPER/ISLOWER instead of + isdigit/isupper/islower. + (parse_stab_string, parse_stab_type, parse_stab_argtypes, + parse_stab_array_type, stab_demangle_count, stab_demangle_get_count, + stab_demangle_prefix, stab_demangle_qualified, + stab_demangle_template, stab_demangle_type, + stab_demangle_fund_type): Use ISDIGIT instead of isdigit. + * strings.c: Include "safe-ctype.h" instead of . + (isgraphic): Use ISPRINT instead of isascii/isprint. + (main): Remove HAVE_LC_MESSAGES dependency. + * sysdump.c: Include "safe-ctype.h" instead of . + (pbarray): Use ISPRINT instead of isprint. + (main): For gettext, also set the LC_CTYPE locate facet. + * windres.c: Include "safe-ctype.h" instead of . + (format_from_filename): Use ISPRINT instead of isprint. + (main): For gettext, also set the LC_CTYPE locate facet. + * winduni.c: Include "safe-ctype.h" instead of . + (unicode_print): Use ISPRINT instead of isprint. + * wrstabs.c: Include "safe-ctype.h" instead of . + (stab_variable): Use ISDIGIT instead of isdigit. + +2001-09-18 Alan Modra + + * ar.c (print_contents): Cast args of bfd_seek to the right types. + Replace bfd_read call with call to bfd_bread. + (extract_file): Likewise. + + * objdump.c (dump_section_header): Cast section->filepos to + unsigned long to suit printf format string. + * readelf.c (process_section_headers): Similarly for sh_offset. + (process_unwind): Likewise. + +2001-09-14 Nick Clifton + + * strings.c (encoding, encoding_bytes): New variables. + (long_options): Add --encoding. + (main): Accept -e and --encoding. + (get_char): New function. Read a, possibly wide, character from + the input stream. + (print_strings): Use get_char(). + (usage): Document new command line option. + * doc/binutils.texi: Document new command line option. + * NEWS: Announce new command line option. + +2001-09-12 Alexandre Oliva + + * readelf.c (guess_is_rela, dump_relocations, get_machine_name, + get_machine_flags): Added EM_M32R, EM_D10V, EM_V850, EM_D30V, + EM_MN10200, EM_MN10300, EM_FR30, EM_AVR_OLD and EM_PJ_OLD. + Removed EM_CYGNUS_ARC. + +2001-09-04 Jeffrey A Law (law@cygnus.com) + + * readelf.c: Include elf/h8 for H8 series definitions. + (guess_is_rela): H8 series if RELA. + (dump_relocations): Handle H8 series relocations. + +2001-08-31 Eric Christopher + + * readelf.c (get_machine_flags): Remove E_MIPS_MACH_MIPS32_4K. + 2001-08-29 Peter Targett * MAINTAINERS: Include ARC Maintainer. @@ -630,7 +1275,7 @@ * readelf.c: Fix formatting. -Mon Dec 11 14:30:21 MET 2000 Jan Hubicka +2000-12-11 Jan Hubicka * MAINTAINERS: Add myself and Andreas Jaeger as x86_64 maintainer. @@ -667,7 +1312,7 @@ Mon Dec 11 14:30:21 MET 2000 Jan Hubicka 2000-11-28 Hans-Peter Nilsson - * MAINTAINERS: Add Jörn Rennecke and self as SH maintainers. + * MAINTAINERS: Add Jörn Rennecke and self as SH maintainers. Change sourceware.cygnus.com to sources.redhat.com. Fix typo for "amongst". @@ -1163,13 +1808,13 @@ Mon Dec 11 14:30:21 MET 2000 Jan Hubicka * srconv.c: Likewise. * sysdump.c: Likewise. -Sun Apr 23 14:23:26 2000 Denis Chertykov +2000-04-23 Denis Chertykov * readelf.c (guess_is_rela): AVR uses RELA relocations. (get_machine_name): machine name for EM_AVR added. -Fri Apr 21 13:20:53 2000 Richard Henderson - David Mosberger +2000-04-21 Richard Henderson + David Mosberger * Makefile.am (readelf.o): Add elf/ia64.h. * Makefile.in: Rebuild. @@ -1194,7 +1839,7 @@ Fri Apr 21 13:20:53 2000 Richard Henderson `strftime' since strftime is not available on all systems. (process_mips_specific): Ditto. -Fri Apr 7 15:56:57 2000 Andrew Cagney +2000-04-07 Andrew Cagney * configure.in (WARN_CFLAGS): Set to -W -Wall by default. Add --enable-build-warnings option.