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[Bug bootstrap/79771] [7 Regression] in-tree zlib breaks build
- From: "yselkowi at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 03 Mar 2017 21:49:26 +0000
- Subject: [Bug bootstrap/79771] [7 Regression] in-tree zlib breaks build
- Auto-submitted: auto-generated
- References: <bug-79771-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79771
--- Comment #4 from Yaakov Selkowitz <yselkowi at redhat dot com> ---
This is an upstream issue in the recent zlib releases, here's a patch:
https://github.com/cygwinports/zlib/blob/master/1.2.11-gzopen_w.patch
Configuring with --with-system-zlib avoids this, as long as gcc doesn`t try
using the Win32-only gzopen_w on Cygwin (which it hasn't in the past).