Commit f5f0132b authored by Paul Eggert's avatar Paul Eggert

Work around performance bug on OS X 10.8 and earlier.

Perhaps Apple will fix this bug some day.
See the thread starting with Daniel Colascione's email in:
http://lists.gnu.org/archive/html/emacs-devel/2013-09/msg00343.html
* configure.ac (FORTIFY_SOUR): New verbatim section.
parent 2b943ba6
2013-09-20 Paul Eggert <eggert@cs.ucla.edu>
Work around performance bug on OS X 10.8 and earlier.
Perhaps Apple will fix this bug some day.
See the thread starting with Daniel Colascione's email in:
http://lists.gnu.org/archive/html/emacs-devel/2013-09/msg00343.html
* configure.ac (FORTIFY_SOUR): New verbatim section.
2013-09-19 Paul Eggert <eggert@cs.ucla.edu>
Merge from gnulib, incorporating:
......
......@@ -4703,6 +4703,24 @@ AC_SUBST(CYGWIN_OBJ)
AC_SUBST(PRE_ALLOC_OBJ)
AC_SUBST(POST_ALLOC_OBJ)
dnl Call this 'FORTIFY_SOUR' so that it sorts before the 'FORTIFY_SOURCE'
dnl verbatim defined above. The tricky name is apropos, as this hack
dnl makes Fortify go sour!
AH_VERBATIM([FORTIFY_SOUR],
[/* Without the following workaround, Emacs runs slowly on OS X 10.8.
The workaround disables some useful run-time checking, so it
should be conditional to the platforms with the performance bug.
Perhaps Apple will fix this some day; also see m4/extern-inline.m4. */
#if defined __APPLE__ && defined __GNUC__
# ifndef _DONT_USE_CTYPE_INLINE_
# define _DONT_USE_CTYPE_INLINE_
# endif
# ifndef _FORTIFY_SOURCE
# define _FORTIFY_SOURCE 0
# endif
#endif
])
# Configure gnulib. Although this does not affect CFLAGS or LIBS permanently.
# it temporarily reverts them to their pre-pkg-config values,
# because gnulib needs to work with both src (which uses the
......
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