Build ocamlrpcgen as native code.

Enable stripping.
Enable LTO (RHBZ#1915570).

0001-Build-ocamlrpcgen-as-native-code.patch

@@ -0,0 +1,45 @@
+From 828a873df2b838e46faa5700dbae18601cb8dcb9 Mon Sep 17 00:00:00 2001
+From: "Richard W.M. Jones" <rjones@redhat.com>
+Date: Thu, 14 Jan 2021 12:20:03 +0000
+Subject: [PATCH] Build ocamlrpcgen as native code.
+
+---
+ code/src/rpc-generator/Makefile | 10 ++++++----
+ 1 file changed, 6 insertions(+), 4 deletions(-)
+
+diff --git a/code/src/rpc-generator/Makefile b/code/src/rpc-generator/Makefile
+index e0ed4f5..a475e83 100644
+--- a/code/src/rpc-generator/Makefile
++++ b/code/src/rpc-generator/Makefile
+@@ -6,9 +6,11 @@ PKGNAME  = rpc-generator
+ ARCHIVE  = rpc_generator
+ OBJECTS  = config.cmo syntax.cmo options.cmo parser.cmo lexer.cmo rename.cmo \
+            generate.cmo direct.cmo
++XOBJECTS = config.cmx syntax.cmx options.cmx parser.cmx lexer.cmx rename.cmx \
++           generate.cmx direct.cmx
+ DOBJECTS = 
+ 
+-ALL_EXTRA = ocamlrpcgen$(EXEC_SUFFIX) rpcgen-packlist
++OPT_EXTRA = ocamlrpcgen$(EXEC_SUFFIX) rpcgen-packlist
+ 
+ PACKLIST = rpcgen-packlist
+ 
+@@ -21,12 +23,12 @@ PP_OPTIONS = -pp "$(CPPO) $(PP_BYTES) $(PP_DEPRECATED)"
+ 
+ include $(TOP_DIR)/Makefile.rules
+ 
+-ocamlrpcgen$(EXEC_SUFFIX): $(ARCHIVE).cma main.cmo
++ocamlrpcgen$(EXEC_SUFFIX): $(ARCHIVE).cmxa main.cmx
+ 	rm -f ocamlrpcgen ocamlrpcgen$(EXEC_SUFFIX)
+ 	OCAMLPATH="..$(PATH_SEP)$$OCAMLPATH" \
+-	$(OCAMLC) -custom -o ocamlrpcgen \
++	$(OCAMLOPT) -o ocamlrpcgen \
+ 		-package unix,netstring,$(REGEXP_PROVIDER) \
+-		$(ARCHIVE).cma main.cmo -linkpkg
++		$(ARCHIVE).cmxa main.cmx -linkpkg
+ 
+ rpcgen-packlist:
+ 	echo $(BINDIR)/ocamlrpcgen >rpcgen-packlist
+-- 
+2.28.0.rc2
+

ocaml-ocamlnet.spec

@@ -1,25 +1,16 @@
-# Disable LTO, see RHBZ#1915570.
-%define _lto_cflags %{nil}
-
-# Prevent RPM from stripping the binaries & debuginfo.
-#
-# NB: Only required because this package uses the obsolete -custom
-# parameter and builds a bytecode 'ocamlrpcgen'.  I tried to fix the
-# build to make a native code 'ocamlrpcgen' but the build system got
-# the better of me.
-%global debug_package %{nil}
-%global __strip /bin/true
-
 Name:           ocaml-ocamlnet
 Version:        4.1.8
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Network protocols for OCaml
 License:        BSD
 
 URL:            http://projects.camlcity.org/projects/ocamlnet.html
 Source0:        http://download.camlcity.org/download/ocamlnet-%{version}.tar.gz
 
-BuildRequires: make
+# Build ocamlrpcgen as native code.  Sent upstream 2021-01-14.
+Patch1:         0001-Build-ocamlrpcgen-as-native-code.patch
+
+BuildRequires:  make
 BuildRequires:  ocaml >= 3.12.1-3
 BuildRequires:  ocaml-ocamldoc
 BuildRequires:  ocaml-findlib-devel
@@ -111,6 +102,7 @@ files for developing applications that use %{name}-nethttpd.
 
 %prep
 %setup -q -n ocamlnet-%{version}
+%patch1 -p2
 
 
 %build
@@ -129,6 +121,13 @@ unset MAKEFLAGS
   -enable-tcl \
   -enable-zip
 
+# This is a hack caused by the ocamlrpcgen patch.  Because "make all"
+# no longer builds ocamlrpcgen (it is now built by "make opt") but
+# some other parts of the build depend on this program, we have to run
+# make opt first and ignore the result.  Hopefully we'll get a better
+# result when upstream integrate the patch.  RWMJ 2021-01.
+make opt ||:
+
 make all
 
 %ifarch %{ocaml_native_compiler}
@@ -221,6 +220,11 @@ echo -e '-b /usr/bin/netplex-admin\n-b /usr/bin/ocamlrpcgen' \
 
 
 %changelog
+* Thu Jan 14 2021 Richard W.M. Jones <rjones@redhat.com> - 4.1.8-2
+- Build ocamlrpcgen as native code.
+- Enable stripping.
+- Enable LTO (RHBZ#1915570).
+
 * Wed Jan 13 2021 Richard W.M. Jones <rjones@redhat.com> - 4.1.8-1
 - New upstream version 4.1.8.
 - Disable LTO (RHBZ#1915570).