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authorJoseph Mingrone <jrm@FreeBSD.org>2026-01-07 12:56:48 -0400
committerJoseph Mingrone <jrm@FreeBSD.org>2026-01-07 12:56:48 -0400
commit0a1fbf4c244d5cfb242d3d7b146fea2ee676d46d (patch)
tree603f2cb82ae91e7dfc1174391a1f096db62827bf /INSTALL.md
parent025be3f592b920ff0a3e602e5aa8b60a34e5e617 (diff)
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diff --git a/INSTALL.md b/INSTALL.md
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+++ b/INSTALL.md
@@ -8,6 +8,10 @@ To build libpcap with the configure script and `make`:
run `./autogen.sh` (a shell script). The autogen.sh script will
build the `configure` and `config.h.in` files.
+* If you build on a Linux 32-bit system, with Autoconf version >= 2.72
+and GNU C Library version >= 2.34, run `export BUILD_YEAR2038=yes`
+before running `./autogen.sh` to build with 64-bit time_t (Y2038-safe).
+
On some system, you may need to set the `AUTORECONF` variable, like:
`AUTORECONF=autoreconf-2.69 ./autogen.sh`
to select the `autoreconf` version you want to use.