meson: subprojects: replace berkeley-{soft,test}float-3 with wraps

Unlike other subprojects, these require an overlay directory to include
meson rules to build the libraries.  The rules are basically lifted
from tests/fp/meson.build, with a few changes to create platform.h
and publish a dependency.

The build defines are passed through a subproject option, and posted
back to users of the library via the dependency's compile_args.

The only remaining user of GIT_SUBMODULES and GIT_SUBMODULES_ACTION
is roms/SLOF, which is used to build pc-bios/s390-ccw.  All other
roms submodules are only present to satisfy the license on pre-built
firmware blobs.

Best reviewed with --color-moved.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

.gitmodules

@@ -28,12 +28,6 @@
 [submodule "roms/u-boot-sam460ex"]
 	path = roms/u-boot-sam460ex
 	url = https://gitlab.com/qemu-project/u-boot-sam460ex.git
-[submodule "tests/fp/berkeley-testfloat-3"]
-	path = tests/fp/berkeley-testfloat-3
-	url = https://gitlab.com/qemu-project/berkeley-testfloat-3.git
-[submodule "tests/fp/berkeley-softfloat-3"]
-	path = tests/fp/berkeley-softfloat-3
-	url = https://gitlab.com/qemu-project/berkeley-softfloat-3.git
 [submodule "roms/edk2"]
 	path = roms/edk2
 	url = https://gitlab.com/qemu-project/edk2.git

configure

@@ -805,28 +805,6 @@ case $git_submodules_action in
         fi
     ;;
     ignore)
-        if ! test -f "$source_path/tests/fp/berkeley-testfloat-3/README.md"
-        then
-            echo
-            echo "ERROR: missing GIT submodules"
-            echo
-            if test -e "$source_path/.git"; then
-                echo "--with-git-submodules=ignore specified but submodules were not"
-                echo "checked out.  Please initialize and update submodules."
-            else
-                echo "This is not a GIT checkout but module content appears to"
-                echo "be missing. Do not use 'git archive' or GitHub download links"
-                echo "to acquire QEMU source archives. Non-GIT builds are only"
-                echo "supported with source archives linked from:"
-                echo
-                echo "  https://www.qemu.org/download/#source"
-                echo
-                echo "Developers working with GIT can use scripts/archive-source.sh"
-                echo "if they need to create valid source archives."
-            fi
-            echo
-            exit 1
-        fi
     ;;
     *)
         echo "ERROR: invalid --with-git-submodules= value '$git_submodules_action'"
@@ -1142,11 +1120,6 @@ if test "$tcg" = "auto"; then
   fi
 fi
 
-if test "$tcg" = "enabled"; then
-    git_submodules="$git_submodules tests/fp/berkeley-testfloat-3"
-    git_submodules="$git_submodules tests/fp/berkeley-softfloat-3"
-fi
-
 ##########################################
 # big/little endian test
 cat > $TMPC << EOF

scripts/archive-source.sh

@@ -26,8 +26,7 @@ sub_file="${sub_tdir}/submodule.tar"
 # independent of what the developer currently has initialized
 # in their checkout, because the build environment is completely
 # different to the host OS.
-subprojects="dtc keycodemapdb libvfio-user"
-submodules="tests/fp/berkeley-softfloat-3 tests/fp/berkeley-testfloat-3"
+subprojects="dtc keycodemapdb libvfio-user berkeley-softfloat-3 berkeley-testfloat-3"
 sub_deinit=""
 
 function cleanup() {
@@ -51,25 +50,6 @@ function tree_ish() {
 
 git archive --format tar "$(tree_ish)" > "$tar_file"
 test $? -ne 0 && error "failed to archive qemu"
-for sm in $submodules; do
-    status="$(git submodule status "$sm")"
-    smhash="${status#[ +-]}"
-    smhash="${smhash%% *}"
-    case "$status" in
-        -*)
-            sub_deinit="$sub_deinit $sm"
-            git submodule update --init "$sm"
-            test $? -ne 0 && error "failed to update submodule $sm"
-            ;;
-        +*)
-            echo "WARNING: submodule $sm is out of sync"
-            ;;
-    esac
-    (cd $sm; git archive --format tar --prefix "$sm/" $(tree_ish)) > "$sub_file"
-    test $? -ne 0 && error "failed to archive submodule $sm ($smhash)"
-    tar --concatenate --file "$tar_file" "$sub_file"
-    test $? -ne 0 && error "failed append submodule $sm to $tar_file"
-done
 
 for sp in $subprojects; do
     meson subprojects download $sp

scripts/make-release

@@ -17,7 +17,7 @@ if [ $# -ne 2 ]; then
 fi
 
 # Only include wraps that are invoked with subproject()
-SUBPROJECTS="dtc libvfio-user keycodemapdb"
+SUBPROJECTS="dtc libvfio-user keycodemapdb berkeley-softfloat-3 berkeley-testfloat-3"
 
 src="$1"
 version="$2"

subprojects/.gitignore

@@ -1,5 +1,7 @@
 /packagecache
 
+/berkeley-softfloat-3
+/berkeley-testfloat-3
 /dtc
 /keycodemapdb
 /libvfio-user

subprojects/berkeley-softfloat-3.wrap

@@ -0,0 +1,5 @@
+[wrap-git]
+url = https://gitlab.com/qemu-project/berkeley-softfloat-3
+revision = b64af41c3276f97f0e181920400ee056b9c88037
+patch_directory = berkeley-softfloat-3
+depth = 1

subprojects/berkeley-testfloat-3.wrap

@@ -0,0 +1,5 @@
+[wrap-git]
+url = https://gitlab.com/qemu-project/berkeley-testfloat-3
+revision = 40619cbb3bf32872df8c53cc457039229428a263
+patch_directory = berkeley-testfloat-3
+depth = 1