build with cmake to produce cmake style pkginfo that can be consumed

by dependent packages

I'm in the preliminary phase of adding apache ORC and apache arrow.
Both build with cmake only, and both need cmake style pkg info in
/usr/lib*/cmake/zstd/*

zstd.spec

@@ -22,11 +22,10 @@ Source0:        https://github.com/facebook/zstd/archive/v%{version}.tar.gz#/%{n
 
 Patch1:         pzstd.1.patch
 
+BuildRequires: cmake
 BuildRequires: make
 BuildRequires:  gcc gtest-devel
-%if %{with pzstd}
 BuildRequires:  gcc-c++
-%endif
 
 %description
 Zstd, short for Zstandard, is a fast lossless compression algorithm,
@@ -56,15 +55,18 @@ Static variant of the Zstd library.
 %setup -q
 find -name .gitignore -delete
 %if %{with pzstd}
-%patch1 -p1
+%patch1 -p1 -b .orig
 %endif
 
 %build
-export CFLAGS="$RPM_OPT_FLAGS"
-export LDFLAGS="$RPM_LD_FLAGS"
-%make_build -C lib lib-mt
-%make_build -C programs
+pushd build/cmake
+%cmake . \
+    -DOVERRIDE_INSTALL_PREFIX=/usr \
+    -DCMAKE_COLOR_MAKEFILE:BOOL=OFF \
+    "-GUnix Makefiles"
+%cmake_build
 %if %{with pzstd}
+popd
 export CXXFLAGS="$RPM_OPT_FLAGS"
 %make_build -C contrib/pzstd
 %endif
@@ -79,10 +81,11 @@ make -C contrib/pzstd test
 %endif
 
 %install
-%make_install PREFIX=%{_prefix} LIBDIR=%{_libdir}
+pushd build/cmake && %cmake_install
 %if %{with pzstd}
-install -D -m755 contrib/pzstd/pzstd %{buildroot}%{_bindir}/pzstd
-install -D -m644 programs/%{name}.1 %{buildroot}%{_mandir}/man1/p%{name}.1
+popd
+install -D -m 0755 contrib/pzstd/pzstd %{buildroot}%{_bindir}/pzstd
+install -D -m 0644 programs/%{name}.1 %{buildroot}%{_mandir}/man1/p%{name}.1
 %endif
 
 %files
@@ -114,6 +117,7 @@ install -D -m644 programs/%{name}.1 %{buildroot}%{_mandir}/man1/p%{name}.1
 %{_includedir}/zstd_errors.h
 %{_libdir}/pkgconfig/libzstd.pc
 %{_libdir}/libzstd.so
+%{_libdir}/cmake/zstd/*.cmake
 
 %files -n lib%{name}-static
 %{_libdir}/libzstd.a
@@ -121,9 +125,6 @@ install -D -m644 programs/%{name}.1 %{buildroot}%{_mandir}/man1/p%{name}.1
 %ldconfig_scriptlets -n lib%{name}
 
 %changelog
-* Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.5.0-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild
-
 * Sun May 16 2021 Pádraig Brady <P@draigBrady.com> - 1.5.0-2
 - Latest upstream