contrib: configure-for-system: specify meson build dir

Instead of forcing to use ./build directory, let's make the the user
specify what directory he wants to use. This will allow to have multiple
build directories with different configurations as meson is designed to
allow, without having to overwrite the existing build one.

contrib/fedora/rpm/configure-for-system.sh

@@ -30,7 +30,7 @@ vars_with_vals() {
 }
 
 usage() {
-    echo "$ $0 [-m|--meson] [-a|--autotools] [-s|--show] [-B|--no-build] [-h|--help]"
+    echo "$ $0 [-m|--meson <builddir>] [-a|--autotools] [-s|--show] [-B|--no-build] [-h|--help]"
     echo ""
     echo "Configure NetworkManager in a way that is similar to when building"
     echo "RPMs of NetworkManager for Fedora/RHEL. The effect is that \`make install\`"
@@ -150,6 +150,7 @@ P_NOBUILD="${NOBUILD-0}"
 P_DEBUG="${DEBUG-1}"
 
 P_BUILD_TYPE="${BUILD_TYPE-}"
+P_MESON_BUILDDIR="${MESON_BUILDDIR-./build}"
 P_CFLAGS="${CFLAGS-}"
 P_CC="${CC-$((! command -v gcc && command -v clang) &>/dev/null && echo clang || echo gcc)}"
 
@@ -307,9 +308,9 @@ else
 fi
 
 if [ -z "$P_BUILD_TYPE" ] ; then
-    if [ -d ./build -a ! -f ./configure ] ; then
+    if [ -d "$P_MESON_BUILDDIR" -a ! -f ./configure ] ; then
         P_BUILD_TYPE=meson
-    elif [ ! -d ./build -a -f ./configure ] ; then
+    elif [ ! -d "$P_MESON_BUILDDIR" -a -f ./configure ] ; then
         P_BUILD_TYPE=autotools
     else
         P_BUILD_TYPE=autotools
@@ -322,6 +323,8 @@ while [[ $# -gt 0 ]] ; do
     case "$A" in
         --meson|-m)
             P_BUILD_TYPE=meson
+            P_MESON_BUILDDIR="$1"
+            shift
             ;;
         --autotools|-a)
             P_BUILD_TYPE=autotools
@@ -347,7 +350,7 @@ vars_with_vals
 
 if [ "$P_BUILD_TYPE" == meson ] ; then
     MESON_RECONFIGURE=
-    if test -d "./build/" ; then
+    if test -d "$P_MESON_BUILDDIR" ; then
         MESON_RECONFIGURE="--reconfigure"
     fi
 
@@ -355,7 +358,8 @@ if [ "$P_BUILD_TYPE" == meson ] ; then
     env \
     CC="$P_CC" \
     CFLAGS="$P_CFLAGS" \
-    meson \
+    meson setup\
+        $MESON_RECONFIGURE \
         --buildtype=plain \
         --prefix="$D_PREFIX" \
         --libdir="$D_LIBDIR" \
@@ -372,11 +376,6 @@ if [ "$P_BUILD_TYPE" == meson ] ; then
         --sharedstatedir="$D_SHAREDSTATEDIR" \
         --wrap-mode=nodownload \
         --auto-features=enabled \
-        \
-        build \
-        \
-        $MESON_RECONFIGURE \
-        \
         -Db_ndebug=false \
         --warnlevel 2 \
         $(args_enable "$P_TEST" --werror) \
@@ -429,6 +428,8 @@ if [ "$P_BUILD_TYPE" == meson ] ; then
         -Dnetconfig=no \
         -Dconfig_dns_rc_manager_default="$P_DNS_RC_MANAGER_DEFAULT" \
         -Dconfig_logging_backend_default="$P_LOGGING_BACKEND_DEFAULT" \
+        \
+        "$P_MESON_BUILDDIR" \
         ;
 else
     if ! test -x ./configure ; then
@@ -520,7 +521,7 @@ fi
 
 if ! bool "$P_NOBUILD" ; then
     if [ "$P_BUILD_TYPE" == meson ] ; then
-        $SHOW_CMD ninja -C build
+        $SHOW_CMD ninja -C "$P_MESON_BUILDDIR"
     else
         $SHOW_CMD make -j 10
     fi