From 5cbb04c91d8ca6bd5f267dc8daf1fc403f4ea867 Mon Sep 17 00:00:00 2001
From: Tulio Magno Quites Machado Filho <tuliom@ascii.art.br>
Date: Tue, 27 Oct 2020 23:16:32 -0300
Subject: [PATCH] Initial commit

---
 libnxz.so.patch | 31 ++++++++++++++++++++++
 libnxz.spec     | 69 +++++++++++++++++++++++++++++++++++++++++++++++++
 rm-git.patch    | 28 ++++++++++++++++++++
 3 files changed, 128 insertions(+)
 create mode 100644 libnxz.so.patch
 create mode 100644 libnxz.spec
 create mode 100644 rm-git.patch

diff --git a/libnxz.so.patch b/libnxz.so.patch
new file mode 100644
index 0000000..1040121
--- /dev/null
+++ b/libnxz.so.patch
@@ -0,0 +1,31 @@
+From 92e5664e863b8a84e4cf5673e75fbd0c0fc0a8f5 Mon Sep 17 00:00:00 2001
+From: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
+Date: Tue, 27 Oct 2020 22:02:12 -0300
+Subject: [PATCH] Install libnxz.so as symlink
+
+The symlink libnxz.so is important when developing programs that link
+specifically to libnxz, i.e. via -lnxz.
+
+Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
+---
+ lib/Makefile | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/lib/Makefile b/lib/Makefile
+index 3cb3a7c..5813c79 100644
+--- a/lib/Makefile
++++ b/lib/Makefile
+@@ -36,7 +36,9 @@ clean:
+ install: $(STATICLIB) $(SHAREDLIB)
+ 	install -d $(LIBDIR)
+ 	install -m 755 $(SHAREDLIB) $(LIBDIR)
+-	install -m 755 $(SHAREDSONAMELIB) $(LIBDIR)
++	{ cd $(LIBDIR); \
++	  ln -s $(SHAREDLIB) $(SHAREDSONAMELIB); \
++	  ln -s $(SHAREDLIB) $(LIBLINK); }
+ 	install -m 644 $(STATICLIB) $(LIBDIR)
+ 
+ uninstall:
+-- 
+2.25.4
+
diff --git a/libnxz.spec b/libnxz.spec
new file mode 100644
index 0000000..bae2004
--- /dev/null
+++ b/libnxz.spec
@@ -0,0 +1,69 @@
+Name:		libnxz
+Version:	0.61
+Release:	0%{?dist}
+Summary:	Zlib implementation for POWER processors
+License:	ASL 2.0
+Url:		https://github.com/libnxz/power-gzip
+BuildRequires:	zlib-devel
+Source0:	%{url}/archive/v%{version}/%{name}-%{version}.tar.gz
+
+Patch0: rm-git.patch
+Patch1: libnxz.so.patch
+
+# Be explicit about the soname in order to avoid unintentional changes.
+%global soname libnxz.so.0.61
+
+ExclusiveArch:	ppc64le
+BuildRequires:	gcc
+
+%description
+libnxz is a zlib-compatible library that uses the NX GZIP Engine available on
+POWER9 or newer processors in order to provide a faster zlib/gzip compression
+without using the general-purpose cores.
+
+%package	devel
+Summary:	Development files for %{name}
+Requires:	%{name}%{?_isa} = %{version}-%{release}
+
+%description	devel
+The %{name}-devel package contains header files for developing application that
+use %{name}.
+
+%package	static
+Summary:	Static library for %{name} development
+Requires:	%{name}-devel%{?_isa} = %{version}-%{release}
+
+%description	static
+The %{name}-static package contains static libraries for developing
+application that use %{name}.
+
+%prep
+%autosetup -p1 -n power-gzip-%{version}
+
+%build
+%make_build FLG="-std=gnu11 %{build_cflags} "
+
+%check
+# libnxz tests only work on P9 servers or newer, bare metal, with
+# Linux >= 5.8.  This combination is not guaranteed to have at build time,
+# forcing us to disable the tests.
+
+%install
+make install PREFIX="%{buildroot}%{_prefix}" LIBDIR="%{buildroot}%{_libdir}"
+
+%files
+%{_libdir}/%{soname}
+%{_libdir}/libnxz.so.0
+%license licenses/APACHE-2.0.txt
+%doc README.md
+
+%files devel
+%{_includedir}/libnxz.h
+%{_libdir}/libnxz.so
+
+%files static
+%{_libdir}/libnxz.a
+
+%changelog
+* Tue Oct 27 2020 Tulio Magno Quites Machado Filho <tuliom@ascii.art.br> - 0.61-0
+- Initial packaging
diff --git a/rm-git.patch b/rm-git.patch
new file mode 100644
index 0000000..f5d04e3
--- /dev/null
+++ b/rm-git.patch
@@ -0,0 +1,28 @@
+From 9a6ff0c71ab6c06c660c760ad0acb9691655d1a0 Mon Sep 17 00:00:00 2001
+From: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
+Date: Tue, 27 Oct 2020 21:42:38 -0300
+Subject: [PATCH] Stop depending on git when building
+
+Replace the git command with the current version.
+
+Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
+---
+ lib/Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/Makefile b/lib/Makefile
+index cc996dc..3cb3a7c 100644
+--- a/lib/Makefile
++++ b/lib/Makefile
+@@ -5,7 +5,7 @@ SRCS = nx_inflate.c nx_deflate.c nx_zlib.c nx_crc.c nx_dht.c nx_dhtgen.c nx_dht_
+ OBJS = nx_inflate.o nx_deflate.o nx_zlib.o nx_crc.o nx_dht.o nx_dhtgen.o nx_dht_builtin.o \
+        nx_adler32.o gzip_vas.o nx_compress.o nx_uncompr.o crc32_ppc.o crc32_ppc_asm.o nx_utils.o
+ 
+-VERSION ?= $(shell git describe --tags | cut -d - -f 1,2 | tr - . | cut -c 2-)
++VERSION ?= 0.61
+ SOVERSION = $(shell echo $(VERSION) | cut -d . -f 1)
+ PACKAGENAME = libnxz
+ STATICLIB = $(PACKAGENAME).a
+-- 
+2.25.4
+