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[3025] Update description for BOOST_OFFSET_PTR_OLD

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This commit is contained in:
Mukund Sivaraman 2013-08-13 17:20:47 +05:30
parent 535abe75de
commit cf7cb62d77
1 changed files with 6 additions and 4 deletions
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10
m4macros/ax_boost_for_bind10.m4
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@ -30,10 +30,12 @@ dnl compile managed_mapped_file (can be empty).
dnl It is of no use if "WOULDFAIL" is yes.
dnl BOOST_STATIC_ASSERT_WOULDFAIL set to "yes" if BOOST_STATIC_ASSERT would
dnl cause build error; otherwise set to "no"
dnl BOOST_OFFSET_PTR_OLD if the version of boost is older than 1.48. The old
dnl version confuses some versions of gcc optimisations
dnl and certain files should be compiled without
dnl optimisations.
dnl BOOST_OFFSET_PTR_OLD set to "yes" if the version of boost is older than
dnl 1.48. Older versions of boost have a bug which
dnl causes segfaults in offset_ptr implementation when
dnl compiled by GCC with optimisations enabled.
dnl See ticket no. 3025 for details.
AC_DEFUN([AX_BOOST_FOR_BIND10], [
AC_LANG_SAVE