ExternalVendorCode/openwrt
1
0
Fork 0
mirror of https://github.com/openwrt/openwrt.git synced 2025-01-20 11:39:02 +00:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

toolchain/libstdcpp: disable dual ABI and default to new

Browse Source 
GCC 5.1 changed the std::string ABI in order to properly support C++11.
For compatibility with libraries compiled with the older ABI, that is,
linking between old-abi.so and new-abi.bin, both ABIs are enabled. In
terms of OpenWrt, all packages are compiled with the same toolchain,
which means these issues do not need to be handled.

Most importantly, this results in a significant size reduction of
libstdpp:

Before:

450794 bytes

After:

327752 bytes

Tested with all OpenWrt packages.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Signed-off-by: maurerr <mariusd84@gmail.com>
This commit is contained in:
Rosen Penev 2021-01-20 20:51:45 -08:00 committed by maurerr
parent 94cc231cea
commit 91bed77e10
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
toolchain/gcc/common.mk
View File

@ -117,7 +117,9 @@ GCC_CONFIGURE:= \
--with-mpc=$(TOPDIR)/staging_dir/host \
--disable-decimal-float \
--with-diagnostics-color=auto-if-env \
--enable-__cxa_atexit
--enable-__cxa_atexit \
--disable-libstdcxx-dual-abi \
--with-default-libstdcxx-abi=new
ifneq ($(CONFIG_mips)$(CONFIG_mipsel),)
GCC_CONFIGURE += --with-mips-plt
endif