view m4/gnulib-tool.m4 @ 37246:5cfb3a67238d

regex: avoid glibc deadlock during configure glibc has a known bug where certain corruptions of the heap can cause malloc to default to printing a debug message that includes a backtrace, but the act of getting the backtrace uses dlopen which in turn calls into malloc, causing a recursive lock ending in deadlock. Thus, when configure is probing for a known glibc heap corruption bug, the overall configure would hang. The solution suggested by glibc developers is to force malloc to quit printing debug messages, which avoids recursive malloc. * m4/regex.m4 (gl_REGEX): Avoid recursive malloc deadlock when glibc bug 15078 in turn triggers bug 16159. Reported by Michal Privoznik. Signed-off-by: Eric Blake <eblake@redhat.com>
author Eric Blake <eblake@redhat.com>
date Tue, 03 Dec 2013 10:34:13 -0700
parents c741bc27922a
children 344018b6e5d7
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# gnulib-tool.m4 serial 2
dnl Copyright (C) 2004-2005, 2009-2013 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

dnl The following macros need not be invoked explicitly.
dnl Invoking them does nothing except to declare default arguments
dnl for "gnulib-tool --import".

dnl Usage: gl_LOCAL_DIR([DIR])
AC_DEFUN([gl_LOCAL_DIR], [])

dnl Usage: gl_MODULES([module1 module2 ...])
AC_DEFUN([gl_MODULES], [])

dnl Usage: gl_AVOID([module1 module2 ...])
AC_DEFUN([gl_AVOID], [])

dnl Usage: gl_SOURCE_BASE([DIR])
AC_DEFUN([gl_SOURCE_BASE], [])

dnl Usage: gl_M4_BASE([DIR])
AC_DEFUN([gl_M4_BASE], [])

dnl Usage: gl_PO_BASE([DIR])
AC_DEFUN([gl_PO_BASE], [])

dnl Usage: gl_DOC_BASE([DIR])
AC_DEFUN([gl_DOC_BASE], [])

dnl Usage: gl_TESTS_BASE([DIR])
AC_DEFUN([gl_TESTS_BASE], [])

dnl Usage: gl_WITH_TESTS
AC_DEFUN([gl_WITH_TESTS], [])

dnl Usage: gl_LIB([LIBNAME])
AC_DEFUN([gl_LIB], [])

dnl Usage: gl_LGPL or gl_LGPL([VERSION])
AC_DEFUN([gl_LGPL], [])

dnl Usage: gl_MAKEFILE_NAME([FILENAME])
AC_DEFUN([gl_MAKEFILE_NAME], [])

dnl Usage: gl_LIBTOOL
AC_DEFUN([gl_LIBTOOL], [])

dnl Usage: gl_MACRO_PREFIX([PREFIX])
AC_DEFUN([gl_MACRO_PREFIX], [])

dnl Usage: gl_PO_DOMAIN([DOMAIN])
AC_DEFUN([gl_PO_DOMAIN], [])

dnl Usage: gl_VC_FILES([BOOLEAN])
AC_DEFUN([gl_VC_FILES], [])