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Change #767

Category None
Changed by Yousong Zhou <yszhou4techohnoyoudont@gmail.com>
Changed at Mon 21 Oct 2019 01:37:43
Repository https://git.openwrt.org/openwrt/openwrt.git
Branch master
Revision e8f79474c97949454b8d0ea966be006013471336


libpcap: build with cmake
The main motivation is to drop and stop maintaining
"100-debian_shared_lib.patch".  It lacks the logic to include custom
implementation of several functions like pcap_strlcpy() which can cause
build failures when glibc is used [2]

CAN and CAN-USB support related symbols are now handled by general linux
support, see [1]

"-ffunction-sections -fdata-sections" were removed as they should help
much for shared libraries

Size comparison before and after the change

  -rw-r--r-- 1 yunion yunion 238042 Oct 18 11:42 ipkg-x86_64/libpcap/usr/lib/libpcap.so.1

  lrwxrwxrwx 1 yunion yunion     16 Oct 18 13:03 ipkg-x86_64/libpcap/usr/lib/libpcap.so.1 -> libpcap.so.1.9.1
  -rwxr-xr-x 1 yunion yunion 229867 Oct 18 13:03 ipkg-x86_64/libpcap/usr/lib/libpcap.so.1.9.1

[1] On Linux, handle all CAN captures with pcap-linux.c, in cooked mode,
[2] https://github.com/openwrt/packages/issues/10270

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

Changed files