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*** monotone-0.25/configure.ac.orig Mon Apr 17 12:08:14 2006
--- monotone-0.25/configure.ac Mon Apr 17 12:08:44 2006
***************
*** 471,537 ****
AC_CHECK_FUNC(getaddrinfo, [AM_CONDITIONAL(MISSING_GETADDRINFO, false)],
[AM_CONDITIONAL(MISSING_GETADDRINFO, true)])
- # Check whether sync_with_stdio(false) run on C++ streams works correctly.
- # It causes strange problems (EOF returned too early) on some versions of
- # MinGW.
- #
- # In order to check for this issue, we first generate a large input file
- # (over 128KB) and then try to read it (using a buffer size over 512
- # bytes). If the amount of bytes read does not match the generated input,
- # the implementation is broken.
- AC_MSG_CHECKING(whether C++ streams support sync_with_stdio)
- AC_RUN_IFELSE([AC_LANG_SOURCE([
- /*
- * Generates the input file.
- */
- #include <cstdlib>
- #include <fstream>
-
- int
- main(void)
- {
- std::ofstream ofs("_conftest.dat");
- for (int i = 0; i < 50000; i++)
- ofs << "0123456789\r\n";
- ofs.close();
-
- return EXIT_SUCCESS;
- }
- ])])
- AC_RUN_IFELSE([AC_LANG_SOURCE([
- /*
- * Reads the input file.
- */
- #include <cstdlib>
- #include <fstream>
- #include <iostream>
-
- int
- main(int argc, char * argv[])
- {
- if (argc == 1)
- return EXIT_SUCCESS;
-
- std::cin.sync_with_stdio(false);
- int length = 0;
- while (std::cin.good())
- {
- char buffer@<:@1024@:>@;
- (void)std::cin.read(buffer, sizeof(buffer));
- length += std::cin.gcount();
- }
-
- return length == 600000 ? EXIT_SUCCESS : EXIT_FAILURE;
- }
- ])],
- [if ./conftest$ac_exeext check_it_now <_conftest.dat; then
- AC_MSG_RESULT(yes)
AC_DEFINE(SYNC_WITH_STDIO_WORKS, 1,
[Define to 1 if sync_with_stdio works fine on C++ streams])
- else
- AC_MSG_RESULT(no)
- fi
- rm -f _conftest.dat])
# allow compiling with different flags/optimisation
# for monotone versus libs, useful for testing.
--- 471,478 ----
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