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Overview
Comment:Look for pthread_mutexattr_init() instead of pthread_create() in autoconf scripts, to work around issues with ASAN.
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SHA1: 9c3a0dc2e8bf202cd846841bd5d4ea67aa189c1a
User & Date: drh 2016-01-13 21:23:48
Context
2016-01-14
01:56
Fix the build so that it works for SQLITE_OMIT_WAL again. check-in: d55a557b user: drh tags: trunk
2016-01-13
21:23
Look for pthread_mutexattr_init() instead of pthread_create() in autoconf scripts, to work around issues with ASAN. check-in: 9c3a0dc2 user: drh tags: trunk
18:25
Add documentation for new API functions to the comments in fts5.h. check-in: 14d296fa user: dan tags: trunk
Changes
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Changes to autoconf/configure.ac.

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#
AC_ARG_ENABLE(threadsafe, [AS_HELP_STRING(
  [--enable-threadsafe], [build a thread-safe library [default=yes]])], 
  [], [enable_threadsafe=yes])
THREADSAFE_FLAGS=-DSQLITE_THREADSAFE=0
if test x"$enable_threadsafe" != "xno"; then
  THREADSAFE_FLAGS="-D_REENTRANT=1 -DSQLITE_THREADSAFE=1"
  AC_SEARCH_LIBS(pthread_create, pthread)
fi
AC_SUBST(THREADSAFE_FLAGS)
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-dynamic-extensions
#







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#
AC_ARG_ENABLE(threadsafe, [AS_HELP_STRING(
  [--enable-threadsafe], [build a thread-safe library [default=yes]])], 
  [], [enable_threadsafe=yes])
THREADSAFE_FLAGS=-DSQLITE_THREADSAFE=0
if test x"$enable_threadsafe" != "xno"; then
  THREADSAFE_FLAGS="-D_REENTRANT=1 -DSQLITE_THREADSAFE=1"
  AC_SEARCH_LIBS(pthread_mutexattr_init, pthread)
fi
AC_SUBST(THREADSAFE_FLAGS)
#-----------------------------------------------------------------------

#-----------------------------------------------------------------------
#   --enable-dynamic-extensions
#

Changes to configure.

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  SQLITE_THREADSAFE=1
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
fi


if test "$SQLITE_THREADSAFE" = "1"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_create" >&5
$as_echo_n "checking for library containing pthread_create... " >&6; }
if ${ac_cv_search_pthread_create+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char pthread_create ();
int
main ()
{
return pthread_create ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' pthread; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
  fi
  if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_search_pthread_create=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext
  if ${ac_cv_search_pthread_create+:} false; then :
  break
fi
done
if ${ac_cv_search_pthread_create+:} false; then :

else
  ac_cv_search_pthread_create=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_create" >&5
$as_echo "$ac_cv_search_pthread_create" >&6; }
ac_res=$ac_cv_search_pthread_create
if test "$ac_res" != no; then :
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

fi

fi








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  SQLITE_THREADSAFE=1
  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
fi


if test "$SQLITE_THREADSAFE" = "1"; then
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_mutexattr_init" >&5
$as_echo_n "checking for library containing pthread_mutexattr_init... " >&6; }
if ${ac_cv_search_pthread_mutexattr_init+:} false; then :
  $as_echo_n "(cached) " >&6
else
  ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

/* Override any GCC internal prototype to avoid an error.
   Use char because int might match the return type of a GCC
   builtin and then its argument prototype would still apply.  */
#ifdef __cplusplus
extern "C"
#endif
char pthread_mutexattr_init ();
int
main ()
{
return pthread_mutexattr_init ();
  ;
  return 0;
}
_ACEOF
for ac_lib in '' pthread; do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
  fi
  if ac_fn_c_try_link "$LINENO"; then :
  ac_cv_search_pthread_mutexattr_init=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
    conftest$ac_exeext
  if ${ac_cv_search_pthread_mutexattr_init+:} false; then :
  break
fi
done
if ${ac_cv_search_pthread_mutexattr_init+:} false; then :

else
  ac_cv_search_pthread_mutexattr_init=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_mutexattr_init" >&5
$as_echo "$ac_cv_search_pthread_mutexattr_init" >&6; }
ac_res=$ac_cv_search_pthread_mutexattr_init
if test "$ac_res" != no; then :
  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"

fi

fi

Changes to configure.ac.

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else
  SQLITE_THREADSAFE=1
  AC_MSG_RESULT([yes])
fi
AC_SUBST(SQLITE_THREADSAFE)

if test "$SQLITE_THREADSAFE" = "1"; then
  AC_SEARCH_LIBS(pthread_create, pthread)
fi

##########
# Do we want to support release
#
AC_ARG_ENABLE(releasemode, 
AC_HELP_STRING([--enable-releasemode],[Support libtool link to release mode]),,enable_releasemode=no)







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else
  SQLITE_THREADSAFE=1
  AC_MSG_RESULT([yes])
fi
AC_SUBST(SQLITE_THREADSAFE)

if test "$SQLITE_THREADSAFE" = "1"; then
  AC_SEARCH_LIBS(pthread_mutexattr_init, pthread)
fi

##########
# Do we want to support release
#
AC_ARG_ENABLE(releasemode, 
AC_HELP_STRING([--enable-releasemode],[Support libtool link to release mode]),,enable_releasemode=no)