Blame SOURCES/0001-unpacker-Build-with-older-libarchive-without-zstd.patch

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From 11ee20c1cdcc7a76d9e1047e8063b8349a6c6da6 Mon Sep 17 00:00:00 2001
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From: Colin Walters <walters@verbum.org>
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Date: Tue, 15 Oct 2019 15:16:06 +0000
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Subject: [PATCH] unpacker: Build with older libarchive without zstd
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It's not in RHEL8.1, and I'm trying to rebase rpm-ostree.
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---
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 configure.ac                          | 4 ++++
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 src/libpriv/rpmostree-unpacker-core.c | 2 ++
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 2 files changed, 6 insertions(+)
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diff --git a/configure.ac b/configure.ac
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index 873dc6b9..a0c5cce4 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -122,6 +122,10 @@ dnl bundled libdnf
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 PKGDEP_RPMOSTREE_CFLAGS="-I $(pwd)/libdnf -I $(pwd)/libdnf-build $PKGDEP_RPMOSTREE_CFLAGS"
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 PKGDEP_RPMOSTREE_LIBS="-L$(pwd)/libdnf-build/libdnf -ldnf $PKGDEP_RPMOSTREE_LIBS"
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+dnl RHEL8.1 has old libarchive
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+AS_IF([pkg-config --atleast-version=3.3.3 libarchive],
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+  [AC_DEFINE([HAVE_LIBARCHIVE_ZSTD], 1, [Define if we have libarchive with zstd])])
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+
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 dnl This is the current version in Fedora 25.
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 AS_IF([pkg-config --atleast-version=4.14.2 rpm], [], [AC_MSG_ERROR([librpm 4.14.2 required])])
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diff --git a/src/libpriv/rpmostree-unpacker-core.c b/src/libpriv/rpmostree-unpacker-core.c
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index 3bd574a4..2d741b1e 100644
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--- a/src/libpriv/rpmostree-unpacker-core.c
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+++ b/src/libpriv/rpmostree-unpacker-core.c
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@@ -74,7 +74,9 @@ rpmostree_unpack_rpm2cpio (int fd, GError **error)
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         archive_read_support_filter_gzip,
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         archive_read_support_filter_xz,
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         archive_read_support_filter_bzip2,
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+#ifdef HAVE_LIBARCHIVE_ZSTD
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         archive_read_support_filter_zstd,
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+#endif
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         archive_read_support_format_cpio };
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     for (i = 0; i < G_N_ELEMENTS (archive_setup_funcs); i++)
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-- 
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2.21.0
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