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[lwip-devel] Building using MinGW
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From: |
Gisle Vanem |
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Subject: |
[lwip-devel] Building using MinGW |
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Date: |
Wed, 18 Dec 2019 11:42:17 +0100 |
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User-agent: |
Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 |
Trying to build lwIP using TDM-gcc 5.1.0 (MinGW), now produces
this error:
In file included from f:/MingW32/src/inet/libpcap/pcap/pcap.h:74:0,
from f:/MingW32/src/inet/libpcap/pcap.h:43,
from contrib/ports/win32/pcapif.c:50:
f:/MingW32/src/inet/libpcap/pcap/pcap-inttypes.h:48:6: error: #error
"Building libpcap
requires VS 2015 or later"
#error "Building libpcap requires VS 2015 or later"
^
The cause of this is the "define _MSC_VER 1500" in pcapif.c:
/* e.g. mingw */
#define _MSC_VER 1500
#include "pcap.h"
#undef _MSC_VER
Bumping '_MSC_VER' to 1900 fixes this. But why are these lines needed?
--
--gv