Add loongarch64 and sw_64 support

Signed-off-by: yangchenguang <yangchenguang@kylinsec.com.cn>
(cherry picked from commit 4b4d4fd2acd8df6577c5a6424ddf18ed98078599)

ocaml.spec

@@ -1,6 +1,18 @@
+%ifnarch loongarch64 sw_64
+%global native_compiler 1
+%else
+%global native_compiler 0
+%endif
+
+%ifnarch loongarch64 sw_64
+%global natdynlink 1
+%else
+%global natdynlink 0
+%endif
+
 Name:           ocaml
 Version:        4.13.1
-Release:        6
+Release:        7
 Summary:        OCaml compiler and programming environment
 License:        LGPL-2.1-only
 URL:            http://www.ocaml.org
@@ -13,6 +25,8 @@ Patch0004:      0004-Update-dependencies.patch
 Patch0005:      0005-Bug-fix-equal_private-was-being-used-in-too-many-pla.patch
 Patch0006:      0006-asmcomp-dune-fix-build-on-RISC-V.patch
 
+Patch3000:      Add-loongarch64-native-support.patch
+
 BuildRequires:  gcc binutils-devel ncurses-devel gdbm-devel  gawk perl-interpreter 
 BuildRequires:  util-linux chrpath autoconf annobin make
 
@@ -28,6 +42,12 @@ Obsoletes:      %{name}-ocamldoc
 %global __ocaml_requires_opts -c -f '%{buildroot}%{_bindir}/ocamlrun %{buildroot}%{_bindir}/ocamlobjinfo.byte'
 %global __ocaml_provides_opts -f '%{buildroot}%{_bindir}/ocamlrun %{buildroot}%{_bindir}/ocamlobjinfo.byte'
 
+%ifarch loongarch64
+%global __requires_exclude %{?__requires_exclude:%{__requires_exclude}|}ocaml\\(Backend_intf\\)\.*
+%global __requires_exclude %{?__requires_exclude:%{__requires_exclude}|}ocaml\\(Inlining_decision_intf\\)\.*
+%global __requires_exclude %{?__requires_exclude:%{__requires_exclude}|}ocaml\\(Simplify_boxed_integer_ops_intf\\)\.*
+%endif
+
 %description
 OCaml is a high-level, strongly-typed, functional and object-oriented
 programming language from the ML family of languages. This package
@@ -63,6 +83,10 @@ Help files for %{name}
 %prep
 %autosetup -n %{name}-%{version} -p1
 autoconf --force
+%ifarch loongarch64 sw_64
+%_update_config_guess
+%_update_config_sub
+%endif
 
 %build
 
@@ -70,10 +94,15 @@ autoconf --force
     OC_CFLAGS="$CFLAGS" \
     OC_LDFLAGS="$LDFLAGS" \
     --libdir=%{_libdir}/ocaml \
+%ifarch sw_64
+    --enable-imprecise-c99-float-ops \
+%endif
     --host=`./build-aux/config.guess`
 %make_build world
+%if %{native_compiler}
 %make_build opt
 %make_build opt.opt
+%endif
 
 %check
 cd testsuite
@@ -123,6 +152,7 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/ocaml/eventlog_metadata
 %{_bindir}/ocamlprof.byte
 
 # native code versions
+%if %{native_compiler}
 %{_bindir}/ocamlc.opt
 %{_bindir}/ocamlcp.opt
 %{_bindir}/ocamldep.opt
@@ -136,6 +166,7 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/ocaml/eventlog_metadata
 %{_bindir}/ocamlopt
 %{_bindir}/ocamlopt.byte
 %{_bindir}/ocamlopt.opt
+%endif
 
 %{_libdir}/ocaml/camlheader
 %{_libdir}/ocaml/camlheader_ur
@@ -144,17 +175,24 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/ocaml/eventlog_metadata
 %{_libdir}/ocaml/ld.conf
 %{_libdir}/ocaml/Makefile.config
 %{_libdir}/ocaml/*.a
+%if %{natdynlink}
 %{_libdir}/ocaml/*.cmxs
+%endif
+
+%if %{native_compiler}
 %{_libdir}/ocaml/*.cmxa
 %{_libdir}/ocaml/*.cmx
 %{_libdir}/ocaml/*.o
 %{_libdir}/ocaml/libasmrun_shared.so
+%endif
 %{_libdir}/ocaml/*.mli
 %{_libdir}/ocaml/libcamlrun_shared.so
 %{_libdir}/ocaml/threads/*.mli
+%if %{native_compiler}
 %{_libdir}/ocaml/threads/*.a
 %{_libdir}/ocaml/threads/*.cmxa
 %{_libdir}/ocaml/threads/*.cmx
+%endif
 %{_libdir}/ocaml/caml
 
 #runtime
@@ -191,10 +229,12 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/ocaml/eventlog_metadata
 %{_libdir}/ocaml/compiler-libs/*.cmi
 %{_libdir}/ocaml/compiler-libs/*.cmo
 %{_libdir}/ocaml/compiler-libs/*.cma
+%if %{native_compiler}
 %{_libdir}/ocaml/compiler-libs/*.a
 %{_libdir}/ocaml/compiler-libs/*.cmxa
 %{_libdir}/ocaml/compiler-libs/*.cmx
 %{_libdir}/ocaml/compiler-libs/*.o
+%endif
 
 
 %files help
@@ -202,6 +242,9 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/ocaml/eventlog_metadata
 %{_mandir}/man3/*
 
 %changelog
+* Sat Aug 12 2023 yangchenguang <yangchenguang@kylinsec.com.cn> - 4.13.1-7
+- Add support for sw_64 and loongarch64
+
 * Thu Jan 18 2023 xingxing <xingxing@xfusion.com> - 4.13.1-6
 - fix build on RISC-V