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authorcvs2svn <>2012-08-10 13:37:36 +0400
committercvs2svn <>2012-08-10 13:37:36 +0400
commit3ed248bcc06cf81618ac20d4975f836973f9f5c0 (patch)
treeb639b9e4bcdc014f46963f47b336157ff67431c8 /config/mmap.m4
parentc0956742a74d194b9c18c7a91aa6d6010beb4cd3 (diff)
This commit was manufactured by cvs2svn to create tag 'cygwin-cygwin-1_7_12-release
1_7_12-release'. Sprout from cygwin-64bit-branch 2012-08-10 09:37:33 UTC cvs2svn 'This commit was manufactured by cvs2svn to create branch 'cygwin-64bit-' Cherrypick from master 2012-04-03 07:28:48 UTC Corinna Vinschen <corinna@vinschen.de> ' * syscalls.cc (fhandler_base::stat_fixup): Replace string comparison': COPYING3 COPYING3.LIB ChangeLog MAINTAINERS compile config.rpath config.sub config/ChangeLog config/mh-darwin config/mh-interix config/mh-ppc-aix config/mt-alphaieee config/mt-sde config/picflag.m4 config/stdint.m4 config/tcl.m4 configure configure.ac include/ChangeLog include/bfdlink.h include/dis-asm.h include/dwarf2.h include/elf/ChangeLog include/elf/avr.h include/elf/common.h include/elf/m68hc11.h include/elf/ppc.h include/elf/s390.h include/elf/sparc.h include/filenames.h include/gdb/ChangeLog include/gdb/callback.h include/gdb/signals.def include/gdb/signals.h include/mach-o/ChangeLog include/mach-o/codesign.h include/mach-o/external.h include/mach-o/loader.h include/mach-o/reloc.h include/mach-o/x86-64.h include/opcode/ChangeLog include/opcode/avr.h include/opcode/m68hc11.h include/opcode/mips.h include/opcode/ppc.h include/opcode/sparc.h include/plugin-api.h include/splay-tree.h ltgcc.m4 ltoptions.m4 ltversion.m4 lt~obsolete.m4 newlib/ChangeLog newlib/doc/Makefile.am newlib/doc/Makefile.in newlib/libc/include/stdio.h newlib/libc/include/string.h newlib/libc/include/sys/signal.h newlib/libc/include/sys/stat.h newlib/libc/include/sys/time.h newlib/libc/include/sys/times.h newlib/libc/include/sys/types.h newlib/libc/include/sys/unistd.h newlib/libc/include/sys/wait.h newlib/libc/locale/lmessages.c newlib/libc/locale/lmonetary.c newlib/libc/locale/nl_langinfo.c newlib/libc/machine/cr16/sys/asm.h newlib/libc/machine/epiphany/Makefile.am newlib/libc/machine/epiphany/Makefile.in newlib/libc/machine/epiphany/aclocal.m4 newlib/libc/machine/epiphany/configure newlib/libc/machine/epiphany/configure.in newlib/libc/machine/epiphany/machine/stdlib.h newlib/libc/machine/epiphany/setjmp.S newlib/libc/machine/rl78/Makefile.am newlib/libc/machine/rl78/Makefile.in newlib/libc/machine/rl78/aclocal.m4 newlib/libc/machine/rl78/configure newlib/libc/machine/rl78/configure.in newlib/libc/machine/rl78/setjmp.S newlib/libc/posix/collate.c newlib/libc/posix/engine.c newlib/libc/posix/glob.c newlib/libc/posix/popen.c newlib/libc/posix/readdir.c newlib/libc/posix/regcomp.c newlib/libc/posix/telldir.c newlib/libc/posix/wordexp.c newlib/libc/reent/mkdirr.c newlib/libc/reent/renamer.c newlib/libc/search/hash.c newlib/libc/search/hash_bigkey.c newlib/libc/search/hash_page.c newlib/libc/search/hcreate_r.c newlib/libc/stdio/asiprintf.c newlib/libc/stdio/asprintf.c newlib/libc/stdio/clearerr.c newlib/libc/stdio/fclose.c newlib/libc/stdio/fdopen.c newlib/libc/stdio/feof.c newlib/libc/stdio/ferror.c newlib/libc/stdio/fflush.c newlib/libc/stdio/fgetc.c newlib/libc/stdio/fgets.c newlib/libc/stdio/fgetwc.c newlib/libc/stdio/fgetws.c newlib/libc/stdio/fileno.c newlib/libc/stdio/findfp.c newlib/libc/stdio/fmemopen.c newlib/libc/stdio/fopen.c newlib/libc/stdio/fopencookie.c newlib/libc/stdio/fpurge.c newlib/libc/stdio/fputc.c newlib/libc/stdio/fputs.c newlib/libc/stdio/fputwc.c newlib/libc/stdio/fputws.c newlib/libc/stdio/fread.c newlib/libc/stdio/freopen.c newlib/libc/stdio/fseek.c newlib/libc/stdio/ftell.c newlib/libc/stdio/funopen.c newlib/libc/stdio/fwide.c newlib/libc/stdio/fwrite.c newlib/libc/stdio/getc.c newlib/libc/stdio/getdelim.c newlib/libc/stdio/gets.c newlib/libc/stdio/local.h newlib/libc/stdio/mktemp.c newlib/libc/stdio/open_memstream.c newlib/libc/stdio/putc.c newlib/libc/stdio/setvbuf.c newlib/libc/stdio/ungetc.c newlib/libc/stdio/ungetwc.c newlib/libc/stdio/vasiprintf.c newlib/libc/stdio/vasprintf.c newlib/libc/stdio/vfprintf.c newlib/libc/stdio/vfscanf.c newlib/libc/stdio/vfwprintf.c newlib/libc/stdio/vfwscanf.c newlib/libc/stdio64/fdopen64.c newlib/libc/stdio64/fopen64.c newlib/libc/stdio64/freopen64.c newlib/libc/stdio64/fseeko64.c newlib/libc/stdio64/ftello64.c newlib/libc/stdlib/mbtowc_r.c newlib/libc/stdlib/mprec.h newlib/libc/stdlib/wctomb_r.c newlib/libc/string/Makefile.am newlib/libc/string/Makefile.in newlib/libc/string/strcasestr.c newlib/libc/sys/epiphany/Makefile.am newlib/libc/sys/epiphany/Makefile.in newlib/libc/sys/epiphany/aclocal.m4 newlib/libc/sys/epiphany/configure newlib/libc/sys/epiphany/configure.in newlib/libc/sys/epiphany/e_printf.c newlib/libc/sys/rtems/crt0.c newlib/libc/sys/rtems/machine/_types.h newlib/libc/sys/sysnecv850/crt0.S newlib/libc/time/strptime.c newlib/libm/common/sf_round.c newlib/libm/math/e_atan2.c newlib/libm/math/e_exp.c newlib/libm/math/e_pow.c newlib/libm/math/e_rem_pio2.c newlib/libm/math/ef_exp.c newlib/libm/math/ef_pow.c newlib/libm/math/er_lgamma.c newlib/libm/math/erf_lgamma.c newlib/testsuite/newlib.stdio/stdio.exp newlib/testsuite/newlib.stdio/swprintf.c newlib/testsuite/newlib.string/strcmp-1.c winsup/ChangeLog winsup/Makefile.common winsup/cygserver/ChangeLog winsup/cygserver/woutsup.h winsup/cygwin/ChangeLog winsup/cygwin/Makefile.in winsup/cygwin/advapi32.cc winsup/cygwin/child_info.h winsup/cygwin/configure.in winsup/cygwin/cygheap.cc winsup/cygwin/cygheap.h winsup/cygwin/cygserver_ipc.h winsup/cygwin/cygthread.cc winsup/cygwin/cygtls.cc winsup/cygwin/cygtls.h winsup/cygwin/cygwin.din winsup/cygwin/cygwin.sc winsup/cygwin/dcrt0.cc winsup/cygwin/devices.cc winsup/cygwin/devices.in winsup/cygwin/dll_init.cc winsup/cygwin/dtable.cc winsup/cygwin/dtable.h winsup/cygwin/environ.cc winsup/cygwin/exceptions.cc winsup/cygwin/external.cc winsup/cygwin/fenv.cc winsup/cygwin/fhandler.cc winsup/cygwin/fhandler.h winsup/cygwin/fhandler_clipboard.cc winsup/cygwin/fhandler_console.cc winsup/cygwin/fhandler_disk_file.cc winsup/cygwin/fhandler_dsp.cc winsup/cygwin/fhandler_fifo.cc winsup/cygwin/fhandler_mem.cc winsup/cygwin/fhandler_nodevice.cc winsup/cygwin/fhandler_procnet.cc winsup/cygwin/fhandler_registry.cc winsup/cygwin/fhandler_serial.cc winsup/cygwin/fhandler_socket.cc winsup/cygwin/fhandler_tape.cc winsup/cygwin/fhandler_termios.cc winsup/cygwin/fhandler_tty.cc winsup/cygwin/fhandler_virtual.cc winsup/cygwin/fhandler_windows.cc winsup/cygwin/flock.cc winsup/cygwin/fork.cc winsup/cygwin/gendef winsup/cygwin/gentls_offsets winsup/cygwin/globals.cc winsup/cygwin/heap.cc winsup/cygwin/hookapi.cc winsup/cygwin/include/cygwin/if.h winsup/cygwin/include/cygwin/in.h winsup/cygwin/include/cygwin/socket.h winsup/cygwin/include/cygwin/version.h winsup/cygwin/include/elf.h winsup/cygwin/include/inttypes.h winsup/cygwin/include/mntent.h winsup/cygwin/include/netdb.h winsup/cygwin/include/stdint.h winsup/cygwin/include/sys/elf32.h winsup/cygwin/include/sys/elf64.h winsup/cygwin/include/sys/elf_common.h winsup/cygwin/include/sys/elf_generic.h winsup/cygwin/include/sys/wait.h winsup/cygwin/kernel32.cc winsup/cygwin/lib/_cygwin_crt0_common.cc winsup/cygwin/lib/crt0.h winsup/cygwin/libc/inet_addr.c winsup/cygwin/libc/inet_network.c winsup/cygwin/libc/minires-os-if.c winsup/cygwin/libc/minires.h winsup/cygwin/libc/rcmd.cc winsup/cygwin/miscfuncs.cc winsup/cygwin/miscfuncs.h winsup/cygwin/mkvers.sh winsup/cygwin/mmap.cc winsup/cygwin/mount.cc winsup/cygwin/mount.h winsup/cygwin/net.cc winsup/cygwin/ntdll.h winsup/cygwin/passwd.cc winsup/cygwin/path.cc winsup/cygwin/path.h winsup/cygwin/pinfo.cc winsup/cygwin/pipe.cc winsup/cygwin/poll.cc winsup/cygwin/posix.sgml winsup/cygwin/posix_ipc.cc winsup/cygwin/pseudo-reloc.cc winsup/cygwin/regex/regcomp.c winsup/cygwin/registry.cc winsup/cygwin/release/1.7.10 winsup/cygwin/release/1.7.11 winsup/cygwin/release/1.7.12 winsup/cygwin/sched.cc winsup/cygwin/sec_helper.cc winsup/cygwin/security.cc winsup/cygwin/security.h winsup/cygwin/select.cc winsup/cygwin/select.h winsup/cygwin/shared.cc winsup/cygwin/signal.cc winsup/cygwin/sigproc.cc winsup/cygwin/sigproc.h winsup/cygwin/smallprint.cc winsup/cygwin/spawn.cc winsup/cygwin/strace.cc winsup/cygwin/strfuncs.cc winsup/cygwin/syscalls.cc winsup/cygwin/syslog.cc winsup/cygwin/thread.cc winsup/cygwin/thread.h winsup/cygwin/tlsoffsets.h winsup/cygwin/wait.cc winsup/cygwin/winbase.h winsup/cygwin/wincap.cc winsup/cygwin/wincap.h winsup/cygwin/winlean.h winsup/cygwin/winsup.h winsup/doc/ChangeLog winsup/doc/configure winsup/doc/cygwinenv.sgml winsup/doc/faq-programming.xml winsup/doc/faq-using.xml winsup/doc/new-features.sgml winsup/doc/overview2.sgml winsup/doc/pathnames.sgml winsup/doc/setup-net.sgml winsup/doc/using.sgml winsup/lsaauth/ChangeLog winsup/lsaauth/Makefile.in winsup/lsaauth/cyglsa.c winsup/lsaauth/cyglsa64.dll winsup/lsaauth/make-64bit-version-with-mingw-w64.sh winsup/mingw/ChangeLog winsup/mingw/configure winsup/mingw/configure.in winsup/mingw/include/_mingw.h winsup/mingw/include/excpt.h winsup/mingw/include/inttypes.h winsup/mingw/include/limits.h winsup/mingw/include/process.h winsup/mingw/include/stdint.h winsup/mingw/include/stdio.h winsup/mingw/include/stdlib.h winsup/mingw/include/sys/param.h winsup/mingw/include/wchar.h winsup/mingw/mingwex/Makefile.in winsup/mingw/mingwex/gdtoa/gd_qnan.h winsup/mingw/mingwex/tsearch.c winsup/mingw/profile/Makefile.in winsup/testsuite/ChangeLog winsup/testsuite/configure winsup/utils/ChangeLog winsup/utils/Makefile.in winsup/utils/bloda.cc winsup/utils/cygcheck.cc winsup/utils/cygpath.cc winsup/utils/dump_setup.cc winsup/utils/dumper.cc winsup/utils/locale.cc winsup/utils/mkgroup.c winsup/utils/mkpasswd.c winsup/utils/ps.cc winsup/utils/regtool.cc winsup/utils/strace.cc winsup/w32api/ChangeLog winsup/w32api/include/setupapi.h winsup/w32api/include/winbase.h winsup/w32api/include/windows.h winsup/w32api/include/winnt.h winsup/w32api/include/winsock.h winsup/w32api/include/winsock2.h winsup/w32api/include/winuser.h winsup/w32api/include/winver.h winsup/w32api/include/wtsapi32.h winsup/w32api/lib/Makefile.in winsup/w32api/lib/kernel32.def winsup/w32api/lib/wtsapi32.def Delete: config/asmcfi.m4 config/math.m4 config/mmap.m4 config/weakref.m4 include/dwarf2.def include/elf/xgate.h include/gdb/gdb-index.h include/leb128.h include/opcode/xgate.h newlib/libc/string/memrchr.c winsup/cygwin/DevNotes winsup/cygwin/cygwait.cc winsup/cygwin/cygwait.h winsup/cygwin/include/machine/elf.h winsup/cygwin/include/sys/elf.h winsup/mingw/mingwex/membarrier.c winsup/w32api/include/sdkddkver.h winsup/w32api/include/shobjidl.h winsup/w32api/lib/shobjidl-uuid.c
Diffstat (limited to 'config/mmap.m4')
-rw-r--r--config/mmap.m497
1 files changed, 0 insertions, 97 deletions
diff --git a/config/mmap.m4 b/config/mmap.m4
deleted file mode 100644
index fba0d9d36..000000000
--- a/config/mmap.m4
+++ /dev/null
@@ -1,97 +0,0 @@
-dnl ----------------------------------------------------------------------
-dnl This whole bit snagged from gcc
-
-dnl
-dnl mmap(2) blacklisting. Some platforms provide the mmap library routine
-dnl but don't support all of the features we need from it.
-dnl
-AC_DEFUN([GCC_AC_FUNC_MMAP_BLACKLIST],
-[
-AC_CHECK_HEADER([sys/mman.h],
- [gcc_header_sys_mman_h=yes], [gcc_header_sys_mman_h=no])
-AC_CHECK_FUNC([mmap], [gcc_func_mmap=yes], [gcc_func_mmap=no])
-if test "$gcc_header_sys_mman_h" != yes \
- || test "$gcc_func_mmap" != yes; then
- gcc_cv_func_mmap_file=no
- gcc_cv_func_mmap_dev_zero=no
- gcc_cv_func_mmap_anon=no
-else
- AC_CACHE_CHECK([whether read-only mmap of a plain file works],
- gcc_cv_func_mmap_file,
- [# Add a system to this blacklist if
- # mmap(0, stat_size, PROT_READ, MAP_PRIVATE, fd, 0) doesn't return a
- # memory area containing the same data that you'd get if you applied
- # read() to the same fd. The only system known to have a problem here
- # is VMS, where text files have record structure.
- case "$host_os" in
- *vms* | ultrix*)
- gcc_cv_func_mmap_file=no ;;
- *)
- gcc_cv_func_mmap_file=yes;;
- esac])
- AC_CACHE_CHECK([whether mmap from /dev/zero works],
- gcc_cv_func_mmap_dev_zero,
- [# Add a system to this blacklist if it has mmap() but /dev/zero
- # does not exist, or if mmapping /dev/zero does not give anonymous
- # zeroed pages with both the following properties:
- # 1. If you map N consecutive pages in with one call, and then
- # unmap any subset of those pages, the pages that were not
- # explicitly unmapped remain accessible.
- # 2. If you map two adjacent blocks of memory and then unmap them
- # both at once, they must both go away.
- # Systems known to be in this category are Windows (all variants),
- # VMS, and Darwin.
- case "$host_os" in
- *vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00)
- gcc_cv_func_mmap_dev_zero=no ;;
- *)
- gcc_cv_func_mmap_dev_zero=yes;;
- esac])
-
- # Unlike /dev/zero, the MAP_ANON(YMOUS) defines can be probed for.
- AC_CACHE_CHECK([for MAP_ANON(YMOUS)], gcc_cv_decl_map_anon,
- [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
-[#include <sys/types.h>
-#include <sys/mman.h>
-#include <unistd.h>
-
-#ifndef MAP_ANONYMOUS
-#define MAP_ANONYMOUS MAP_ANON
-#endif
-],
-[int n = MAP_ANONYMOUS;])],
- gcc_cv_decl_map_anon=yes,
- gcc_cv_decl_map_anon=no)])
-
- if test $gcc_cv_decl_map_anon = no; then
- gcc_cv_func_mmap_anon=no
- else
- AC_CACHE_CHECK([whether mmap with MAP_ANON(YMOUS) works],
- gcc_cv_func_mmap_anon,
- [# Add a system to this blacklist if it has mmap() and MAP_ANON or
- # MAP_ANONYMOUS, but using mmap(..., MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
- # doesn't give anonymous zeroed pages with the same properties listed
- # above for use of /dev/zero.
- # Systems known to be in this category are Windows, VMS, and SCO Unix.
- case "$host_os" in
- *vms* | cygwin* | pe | mingw* | sco* | udk* )
- gcc_cv_func_mmap_anon=no ;;
- *)
- gcc_cv_func_mmap_anon=yes;;
- esac])
- fi
-fi
-
-if test $gcc_cv_func_mmap_file = yes; then
- AC_DEFINE(HAVE_MMAP_FILE, 1,
- [Define if read-only mmap of a plain file works.])
-fi
-if test $gcc_cv_func_mmap_dev_zero = yes; then
- AC_DEFINE(HAVE_MMAP_DEV_ZERO, 1,
- [Define if mmap of /dev/zero works.])
-fi
-if test $gcc_cv_func_mmap_anon = yes; then
- AC_DEFINE(HAVE_MMAP_ANON, 1,
- [Define if mmap with MAP_ANON(YMOUS) works.])
-fi
-])