| # Copyright (c) 2009 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # This script munges the config.h to mark EBP unavailable so that the ffmpeg |
| # library can be compiled as WITHOUT -fomit-frame-pointer allowing for |
| # breakpad to work. |
| # |
| # Without this, building without -fomit-frame-pointer on ia32 will result in |
| # the the inclusion of a number of inline assembly blocks that use too many |
| # registers for its input/output operands. This will cause gcc to barf with: |
| # |
| # error: can't find a register in class ‘GENERAL_REGS’ while reloading ‘asm’ |
| # |
| # This modification should only be required on ia32, and not x64. |
| # |
| # Note that HAVE_EBX_AVAILABLE is another flag available in config.h. One would |
| # think that setting this to 0 would allow for ffmpeg to be built with -fPIC. |
| # However, not all the assembly blocks requiring 6 registers are excluded by |
| # this flag. |
| |
| set -e |
| |
| sed -i.orig -e ' |
| /HAVE_EBP_AVAILABLE/ { |
| c\ |
| #define HAVE_EBP_AVAILABLE 0 |
| } |
| ' \ |
| $1 |
