meson: make wrapper options sub-command specific

The meson-wrapper adds setup options to facilitate cross-compilation.
The current options are exclusive to the setup sub-command and might
cause issues with other sub-commands.

Update the wrapper to make options sub-command specific.

(From OE-Core rev: 4475250ee0d83cc90322f2fcd9ec8df7c05b6903)

Signed-off-by: Liam Beguin <liambeguin@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
(cherry picked from commit 7bcda141f2019862b4fb5d8dec7956cd8344b420)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/meson/meson/meson-wrapper

@@ -5,7 +5,7 @@ if [ -z "$OECORE_NATIVE_SYSROOT" ]; then
 fi
 
 if [ -z "$SSL_CERT_DIR" ]; then
-    export SSL_CERT_DIR="${OECORE_NATIVE_SYSROOT}/etc/ssl/certs/"
+    export SSL_CERT_DIR="$OECORE_NATIVE_SYSROOT/etc/ssl/certs/"
 fi
 
 # If these are set to a cross-compile path, meson will get confused and try to
@@ -13,7 +13,20 @@ fi
 # config is already in meson.cross.
 unset CC CXX CPP LD AR NM STRIP
 
+for arg in "$@"; do
+    case "$arg" in
+    -*) continue ;;
+    *) SUBCMD="$arg"; break ;;
+    esac
+done
+
+if [ "$SUBCMD" = "setup" ] || [ -d "$SUBCMD" ]; then
+    MESON_SUB_OPTS=" \
+        --cross-file="$OECORE_NATIVE_SYSROOT/usr/share/meson/${TARGET_PREFIX}meson.cross" \
+        --native-file="$OECORE_NATIVE_SYSROOT/usr/share/meson/meson.native" \
+        "
+fi
+
 exec "$OECORE_NATIVE_SYSROOT/usr/bin/meson.real" \
-     --cross-file "${OECORE_NATIVE_SYSROOT}/usr/share/meson/${TARGET_PREFIX}meson.cross" \
-     --native-file "${OECORE_NATIVE_SYSROOT}/usr/share/meson/meson.native" \
-     "$@"
+    "$@" \
+    $MESON_SUB_OPTS