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path: root/packages/monotone/files/configure.ac-no-sync-with-stdio-0.25.patch
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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 ----