From cd63dba445d476317e9a25c9d791a7078a0395c8 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 15 Nov 2011 17:40:25 +0200
Subject: Add support for selecting threading implementation

---
 build/bootstrap.make           |  3 +++
 build/configuration-rules.make | 18 ++++++++++++++++++
 build/configuration.make       | 22 ++++++++++++++++++++++
 build/configure                | 26 ++++++++++++++++++++++++++
 odb/makefile                   | 31 +++++++++++++++++++++++++++++--
 5 files changed, 98 insertions(+), 2 deletions(-)
 create mode 100644 build/configuration-rules.make
 create mode 100644 build/configuration.make
 create mode 100644 build/configure

diff --git a/build/bootstrap.make b/build/bootstrap.make
index 26b7eeb..00d384d 100644
--- a/build/bootstrap.make
+++ b/build/bootstrap.make
@@ -16,6 +16,9 @@ ifeq ($(patsubst %build/bootstrap.make,,$(lastword $(MAKEFILE_LIST))),)
 include $(build)/bootstrap.make
 endif
 
+# Configuration
+#
+$(call include,$(scf_root)/configuration.make)
 
 # Aliases
 #
diff --git a/build/configuration-rules.make b/build/configuration-rules.make
new file mode 100644
index 0000000..a198679
--- /dev/null
+++ b/build/configuration-rules.make
@@ -0,0 +1,18 @@
+# file      : build/configuration-rules.make
+# author    : Boris Kolpackov <boris@codesynthesis.com>
+# copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+# license   : GNU GPL v2; see accompanying LICENSE file
+
+$(dcf_root)/configuration-dynamic.make: | $(dcf_root)/.
+	$(call message,,$(scf_root)/configure $@)
+
+ifndef %foreign%
+
+disfigure::
+	$(call message,rm $$1,rm -f $$1,$(dcf_root)/configuration-dynamic.make)
+
+endif
+
+ifeq ($(.DEFAULT_GOAL),$(dcf_root)/configuration-dynamic.make)
+.DEFAULT_GOAL :=
+endif
diff --git a/build/configuration.make b/build/configuration.make
new file mode 100644
index 0000000..0919150
--- /dev/null
+++ b/build/configuration.make
@@ -0,0 +1,22 @@
+# file      : build/configuration.make
+# author    : Boris Kolpackov <boris@codesynthesis.com>
+# copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC
+# license   : GNU GPL v2; see accompanying LICENSE file
+
+$(call include-once,$(scf_root)/configuration-rules.make,$(dcf_root))
+
+# Dynamic configuration.
+#
+libodb_threads :=
+
+$(call -include,$(dcf_root)/configuration-dynamic.make)
+
+ifdef libodb_threads
+
+$(out_root)/%: libodb_threads := $(libodb_threads)
+
+else
+
+.NOTPARALLEL:
+
+endif
diff --git a/build/configure b/build/configure
new file mode 100644
index 0000000..5816683
--- /dev/null
+++ b/build/configure
@@ -0,0 +1,26 @@
+#! /usr/bin/env bash
+
+# file      : build/configure
+# author    : Boris Kolpackov <boris@codesynthesis.com>
+# copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC
+# license   : GNU GPL v2; see accompanying LICENSE file
+
+# $1  out file
+#
+# bld_root     - build root
+# project_name - project name
+#
+
+source $bld_root/dialog.bash
+
+$echo
+$echo "Please select the threading implementation:"
+$echo
+$echo "(1) POSIX"
+$echo "(2) Win32"
+$echo "(3) None"
+$echo
+
+threads=`read_option "posix win32 none" "posix"`
+
+echo "libodb_threads := $threads" >$1
diff --git a/odb/makefile b/odb/makefile
index 54499a0..6c243e8 100644
--- a/odb/makefile
+++ b/odb/makefile
@@ -44,7 +44,22 @@ details/win32/exceptions.cxx
 
 win32_dll_cxx := details/win32/dll.cxx
 
-cxx_tun := $(cxx) $(posix_cxx)
+cxx_tun := $(cxx)
+
+ifeq ($(libodb_threads),posix)
+cxx_tun += $(posix_cxx)
+endif
+
+ifeq ($(libodb_threads),win32)
+cxx_tun += $(win32_cxx)
+
+$(call include,$(bld_root)/ld/configuration-lib.make) # ld_lib_type
+
+ifeq ($(ld_lib_type),shared)
+cxx_tun += $(win32_dll_cxx)
+endif
+endif
+
 cxx_obj := $(addprefix $(out_base)/,$(cxx_tun:.cxx=.o))
 cxx_od  := $(cxx_obj:.o=.o.d)
 
@@ -58,7 +73,11 @@ clean   := $(out_base)/.clean
 
 # Build.
 #
-$(odb.l): $(cxx_obj) -lpthread
+$(odb.l): $(cxx_obj)
+
+ifeq ($(libodb_threads),posix)
+$(odb.l): -lpthread
+endif
 
 $(cxx_obj) $(cxx_od): $(odb.l.cpp-options) $(out_base)/details/config.h
 $(odb.l.cpp-options): value := -I$(out_root) -I$(src_root)
@@ -71,7 +90,15 @@ $(out_base)/details/config.h: | $(out_base)/details/.
 	@echo '#ifndef ODB_DETAILS_CONFIG_H'                            >>$@
 	@echo '#define ODB_DETAILS_CONFIG_H'                            >>$@
 	@echo ''                                                        >>$@
+ifeq ($(libodb_threads),posix)
 	@echo '#define ODB_THREADS_POSIX 1'                             >>$@
+endif
+ifeq ($(libodb_threads),win32)
+	@echo '#define ODB_THREADS_WIN32 1'                             >>$@
+endif
+ifeq ($(libodb_threads),none)
+	@echo '#define ODB_THREADS_NONE 1'                              >>$@
+endif
 	@echo ''                                                        >>$@
 	@echo '#endif /* ODB_DETAILS_CONFIG_H */'                       >>$@
 
-- 
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