bare/devel: Add qemu-couverture support.

Add a build set and configuration to build a QEMU we can use for
coverage testing.

bare/config/devel/qemu-couverture-git-1.cfg

@@ -0,0 +1,43 @@
+#
+# Qemu from git
+#
+
+%if %{release} == %{nil}
+ %define release 1
+%endif
+
+%include %{_configdir}/base.cfg
+
+%include %{_configdir}/bare-config.cfg
+
+#
+# Couverture QEMU Version.
+#
+%define qemu_version e9299f7591c8ecf3389922f4e7672b6bc5deae71
+%hash sha512 e9299f7591c8ecf3389922f4e7672b6bc5deae71.tar.gz b0479eefb8f067b97828b411b89c6b4ba4097477425a83b7ae439a3c0980c52cdbbbd2b7c85edb412ffe7f20b1822b65be008a989c815ceff72a493e551bbb78
+
+#
+# Couverture QEMU disables for this version.
+#
+%define qemu_disables --disable-virtfs --disable-gnutls --disable-docs
+
+#
+# Couverture QEMU architectures for this version.
+#
+%define qemu_archs arm-softmmu,i386-softmmu,lm32-softmmu,mips-softmmu,ppc-softmmu,sparc-softmmu
+
+#
+# Set Couverture-Qemu source from github.
+#
+%source set qemu https://github.com/AdaCore/qemu/archive/%{qemu_version}.tar.gz
+
+#
+# Patch to send halt signal to qemu-system-or32 process when RTEMS terminates
+#
+%patch add qemu %{rtems_http_git}/rtems-tools/plain/tools/qemu/0001-openrisc-terminate-qemu-process-upon-receiving-a-hal.patch
+%hash sha256 0001-openrisc-terminate-qemu-process-upon-receiving-a-hal.patch 88cd5c9e6e2a6bab23bf049a6f4212ff00083b002b73dbe63b2fe9832717f19e
+
+#
+# The Qemu build instructions. We use 1.x.x Release 1.
+#
+%include %{_configdir}/qemu-1-1.cfg

bare/config/devel/qemu-couverture.bset

@@ -0,0 +1,25 @@
+#
+# Build set for QEMU-Couverture
+#
+
+%define release 1
+
+#
+# Name of the package.
+#
+package: qemu-couverture-%{qemu_version}-%{_host}-%{release}
+
+#
+# A magic internal path that would break if changes in the defaults.mc
+# macro file are made.
+#
+%define _internal_autotools_path %{_tmppath}/sb-%{_uid}/${SB_PREFIX_CLEAN}
+
+devel/autotools-internal
+devel/libiconv-1.14-1
+devel/gettext-0.18.3.1-1
+devel/libffi-3.0.13-1
+devel/pixman-0.32.4-1
+devel/glib-2.39.3-1
+devel/dtc-1.4.1-1
+devel/qemu-couverture-git-1

source-builder/config/qemu-1-1.cfg

@@ -28,6 +28,44 @@ BuildRoot: %{_tmppath}/%{name}-root-%(%{__id_u} -n)
 #
 %source set qemu http://wiki.qemu-project.org/download/qemu-%{qemu_version}.tar.bz2
 
+
+#
+# QEMU Disable component list.
+#
+# We are not interested in the VM use case for qemu and most of that
+# functionality carries host platform baggage which complicates building on a
+# range of host platforms.
+#
+# You can specialise before including this config file.
+#
+#
+%define qemu_std_disables --disable-werror
+%define qemu_std_disables %{qemu_std_disables} --disable-smartcard-nss
+%define qemu_std_disables %{qemu_std_disables} --disable-tools
+%define qemu_std_disables %{qemu_std_disables} --disable-pie
+%define qemu_std_disables %{qemu_std_disables} --disable-vnc
+%define qemu_std_disables %{qemu_std_disables} --disable-sdl
+%define qemu_std_disables %{qemu_std_disables} --disable-gtk
+%define qemu_std_disables %{qemu_std_disables} --disable-opengl
+%define qemu_std_disables %{qemu_std_disables} --disable-netmap
+%ifn %{defined qemu_disables}
+ %define qemu_disables %{nil}
+%endif
+%define qemu_disables %{qemu_std_disables} %{qemu_disables}
+
+#
+# QEMU Targets to build.
+#
+%if %{!defined qemu_archs} && %{!defined with_qemu_archs}
+ %define qemu_target_list %{nil}
+%else
+ %if %{defined with_qemu_archs}
+  %define qemu_target_list --target-list=%{with_qemu_archs}
+ %else
+  %define qemu_target_list --target-list=%{qemu_archs}
+ %endif
+%endif
+
 #
 # Prepare the source code.
 #
@@ -73,22 +111,15 @@ BuildRoot: %{_tmppath}/%{name}-root-%(%{__id_u} -n)
   PKG_CONFIG_PATH=$SYSROOT/lib/pkgconfig \
   PKG_CONFIG_BUILD_TOP_DIR=$SB_TMPROOT \
   %{_ld_library_path}=$SYSROOT/lib \
-  LDFLAGS="-Wl,-rpath -Wl,/$SB_PREFIX_CLEAN/lib ${VDE_LDFLAGS}" \
+  LDFLAGS="-Wl,-rpath -Wl,/$SB_PREFIX_CLEAN/lib -L$SYSROOT/lib ${VDE_LDFLAGS}" \
   CFLAGS="${CFLAGS} ${VDE_CFLAGS}" \
   ../${source_dir_qemu}/configure \
     --prefix=%{_prefix} \
     ${CROSS_PREFIX_OPTION} \
     --make=%{__make} \
+    %{qemu_target_list} \
     ${VDE_CONFIG} \
-    --disable-smartcard-nss \
-    --disable-werror \
-    --disable-tools \
-    --disable-pie \
-    --disable-vnc \
-    --disable-sdl \
-    --disable-gtk \
-    --disable-opengl \
-    --disable-netmap
+    %{qemu_disables}
 
   %{_ld_library_path}=$SYSROOT/lib \
   %{__make} %{?_smp_mflags} all