diff -r 379fe1856800 -r a5a142fea2ae configure
--- a/configure	Thu Sep 07 10:51:13 2023 +0200
+++ b/configure	Tue Sep 12 18:08:11 2023 +0200
@@ -22,21 +22,21 @@
 OS_VERSION=`uname -r`
 
 TEMP_DIR=".tmp-`uname -n`"
-mkdir -p $TEMP_DIR
+mkdir -p "$TEMP_DIR"
 if [ $? -ne 0 ]; then
-	echo "Cannot create tmp dir"
-	echo "Abort"
+    echo "Cannot create tmp dir"
+    echo "Abort"
 fi
-touch $TEMP_DIR/options
-touch $TEMP_DIR/features
+touch "$TEMP_DIR/options"
+touch "$TEMP_DIR/features"
 
 # features
 
 # help text
 printhelp()
 {
-	echo "Usage: $0 [OPTIONS]..."
-	cat << __EOF__
+    echo "Usage: $0 [OPTIONS]..."
+    cat << __EOF__
 Installation directories:
   --prefix=PREFIX         path prefix for architecture-independent files
                           [/usr]
@@ -63,64 +63,64 @@
 }
 
 #
-# parse arguments 
+# parse arguments
 #
-for ARG in $@
+for ARG in "$@"
 do
     case "$ARG" in
-		"--prefix="*)         PREFIX=${ARG#--prefix=} ;;
-		"--exec-prefix="*)    EPREFIX=${ARG#--exec-prefix=} ;;
-		"--bindir="*)         BINDIR=${ARG#----bindir=} ;;
-		"--sbindir="*)        SBINDIR=${ARG#--sbindir=} ;;
-		"--libdir="*)         LIBDIR=${ARG#--libdir=} ;;
-		"--libexecdir="*)     LIBEXECDIR=${ARG#--libexecdir=} ;;
-		"--datadir="*)        DATADIR=${ARG#--datadir=} ;;
-		"--sysconfdir="*)     SYSCONFDIR=${ARG#--sysconfdir=} ;;
-		"--sharedstatedir="*) SHAREDSTATEDIR=${ARG#--sharedstatedir=} ;;
-		"--localstatedir="*)  LOCALSTATEDIR=${ARG#--localstatedir=} ;;
-		"--includedir="*)     INCLUDEDIR=${ARG#--includedir=} ;;
-		"--infodir="*)        INFODIR=${ARG#--infodir=} ;;
-		"--mandir"*)          MANDIR=${ARG#--mandir} ;;
-		"--help"*) printhelp; exit 1 ;;
-		"--enable-postgresql") FEATURE_POSTGRESQL=on ;;
-		"--disable-postgresql") unset FEATURE_POSTGRESQL ;;
-		"-"*) echo "unknown option: $ARG"; exit 1 ;;
-	esac
+        "--prefix="*)         PREFIX=${ARG#--prefix=} ;;
+        "--exec-prefix="*)    EPREFIX=${ARG#--exec-prefix=} ;;
+        "--bindir="*)         BINDIR=${ARG#----bindir=} ;;
+        "--sbindir="*)        SBINDIR=${ARG#--sbindir=} ;;
+        "--libdir="*)         LIBDIR=${ARG#--libdir=} ;;
+        "--libexecdir="*)     LIBEXECDIR=${ARG#--libexecdir=} ;;
+        "--datadir="*)        DATADIR=${ARG#--datadir=} ;;
+        "--sysconfdir="*)     SYSCONFDIR=${ARG#--sysconfdir=} ;;
+        "--sharedstatedir="*) SHAREDSTATEDIR=${ARG#--sharedstatedir=} ;;
+        "--localstatedir="*)  LOCALSTATEDIR=${ARG#--localstatedir=} ;;
+        "--includedir="*)     INCLUDEDIR=${ARG#--includedir=} ;;
+        "--infodir="*)        INFODIR=${ARG#--infodir=} ;;
+        "--mandir"*)          MANDIR=${ARG#--mandir} ;;
+        "--help"*) printhelp; rm -Rf "$TEMP_DIR"; exit 1 ;;
+        "--enable-postgresql") FEATURE_POSTGRESQL=on ;;
+        "--disable-postgresql") unset FEATURE_POSTGRESQL ;;
+        "-"*) echo "unknown option: $ARG"; rm -Rf "$TEMP_DIR"; exit 1 ;;
+    esac
 done
 
 # set dir variables
 if [ -z "$BINDIR" ]; then
-	BINDIR=$EPREFIX/bin
+    BINDIR=$EPREFIX/bin
 fi
 if [ -z "$SBINDIR" ]; then
-	SBINDIR=$EPREFIX/sbin
+    SBINDIR=$EPREFIX/sbin
 fi
 if [ -z "$LIBDIR" ]; then
-	LIBDIR=$EPREFIX/lib
+    LIBDIR=$EPREFIX/lib
 fi
 if [ -z "$LIBEXEC" ]; then
-	LIBEXECDIR=$EPREFIX/libexec
+    LIBEXECDIR=$EPREFIX/libexec
 fi
 if [ -z "$DATADIR" ]; then
-	DATADIR=$PREFIX/share
+    DATADIR=$PREFIX/share
 fi
 if [ -z "$SYSCONFDIR" ]; then
-	SYSCONFDIR=$PREFIX/etc
+    SYSCONFDIR=$PREFIX/etc
 fi
 if [ -z "$SHAREDSTATEDIR" ]; then
-	SHAREDSTATEDIR=$PREFIX/com
+    SHAREDSTATEDIR=$PREFIX/com
 fi
 if [ -z "$LOCALSTATEDIR" ]; then
-	LOCALSTATEDIR=$PREFIX/var
+    LOCALSTATEDIR=$PREFIX/var
 fi
 if [ -z "$INCLUDEDIR" ]; then
-	INCLUDEDIR=$PREFIX/include
+    INCLUDEDIR=$PREFIX/include
 fi
 if [ -z "$INFODIR" ]; then
-	INFODIR=$PREFIX/info
+    INFODIR=$PREFIX/info
 fi
 if [ -z "$MANDIR" ]; then
-	MANDIR=$PREFIX/man
+    MANDIR=$PREFIX/man
 fi
 
 which pkg-config > /dev/null
@@ -133,19 +133,19 @@
 # Simple uname based platform detection
 # $PLATFORM is used for platform dependent dependency selection
 printf "detect platform... "
-if [ $OS = SunOS ]; then
+if [ "$OS" = "SunOS" ]; then
     PLATFORM="solaris sunos unix svr4"
 fi
-if [ $OS = Linux ]; then
+if [ "$OS" = "Linux" ]; then
     PLATFORM="linux unix"
 fi
-if [ $OS = FreeBSD ]; then
+if [ "$OS" = "FreeBSD" ]; then
     PLATFORM="freebsd bsd unix"
 fi
-if [ $OS = Darwin ]; then
+if [ "$OS" = "Darwin" ]; then
     PLATFORM="macos osx bsd unix"
 fi
-echo $OS | grep "MINGW" > /dev/null
+echo "$OS" | grep -i "MINGW" > /dev/null
 if [ $? -eq 0 ]; then
     PLATFORM="windows mingw"
 fi
@@ -156,8 +156,8 @@
 
 for p in $PLATFORM
 do
-	PLATFORM_NAME=$p
-	break
+    PLATFORM_NAME=$p
+    break
 done
 echo $PLATFORM_NAME
 
@@ -165,7 +165,7 @@
 {
     for p in $PLATFORM
     do
-        if [ $p = $1 ]; then
+        if [ "$p" = "$1" ]; then
             return 0
         fi
     done
@@ -175,7 +175,7 @@
 {
     for p in $PLATFORM
     do
-        if [ $p = $1 ]; then
+        if [ "$p" = "$1" ]; then
             return 1
         fi
     done
@@ -183,7 +183,7 @@
 }
 
 # generate config.mk and config.h
-cat > $TEMP_DIR/config.mk << __EOF__
+cat > "$TEMP_DIR/config.mk" << __EOF__
 #
 # config.mk generated by configure
 #
@@ -209,7 +209,7 @@
 
 __EOF__
 
-echo > $TEMP_DIR/make.mk
+echo > "$TEMP_DIR/make.mk"
 
 ENV_CFLAGS=$CFLAGS
 ENV_LDFLAGS=$LDFLAGS
@@ -220,15 +220,15 @@
 . make/toolchain.sh
 
 # add user specified flags to config.mk
-echo >> $TEMP_DIR/config.mk
-if [ ! -z "${ENV_CFLAGS}" ]; then
-    echo "CFLAGS += $ENV_CFLAGS" >> $TEMP_DIR/config.mk
+echo "# project specific flags" >> "$TEMP_DIR/config.mk"
+if [ -n "${ENV_CFLAGS}" ]; then
+    echo "CFLAGS += $ENV_CFLAGS" >> "$TEMP_DIR/config.mk"
 fi
-if [ ! -z "${ENV_CXXFLAGS}" ]; then
-    echo "CXXFLAGS += $ENV_CXXFLAGS" >> $TEMP_DIR/config.mk
+if [ -n "${ENV_CXXFLAGS}" ]; then
+    echo "CXXFLAGS += $ENV_CXXFLAGS" >> "$TEMP_DIR/config.mk"
 fi
-if [ ! -z "${ENV_LDFLAGS}" ]; then
-    echo "LDFLAGS += $ENV_LDFLAGS" >> $TEMP_DIR/config.mk
+if [ -n "${ENV_LDFLAGS}" ]; then
+    echo "LDFLAGS += $ENV_LDFLAGS" >> "$TEMP_DIR/config.mk"
 fi
 
 #
@@ -238,103 +238,103 @@
 dependency_libpq()
 {
     printf "checking for libpq... "
-    # dependency libpq 
+    # dependency libpq
     while true
     do
         if [ -z "$PKG_CONFIG" ]; then
-        	break
+            break
         fi
-		$PKG_CONFIG libpq
+        $PKG_CONFIG libpq
         if [ $? -ne 0 ] ; then
             break
         fi
-        CFLAGS="$CFLAGS `$PKG_CONFIG --cflags libpq`"
-        LDFLAGS="$LDFLAGS `$PKG_CONFIG --libs libpq`"
-		cat >> $TEMP_DIR/make.mk << __EOF__
-# Dependency: libpq		
+        TEMP_CFLAGS="$TEMP_CFLAGS `$PKG_CONFIG --cflags libpq`"
+        TEMP_LDFLAGS="$TEMP_LDFLAGS `$PKG_CONFIG --libs libpq`"
+        cat >> $TEMP_DIR/make.mk << __EOF__
+# Dependency: libpq
 CFLAGS += -DENABLE_POSTGRESQL
 PLUGINS += postgresql
 TEST_PLUGIN_LDFLAGS += -lwspgtest
 
 __EOF__
-		echo yes
+        echo yes
         return 0
     done
-	
-	echo no
-	return 1
+
+    echo no
+    return 1
 }
 dependency_openssl()
 {
     printf "checking for openssl... "
-    # dependency openssl 
+    # dependency openssl
     while true
     do
         if [ -z "$PKG_CONFIG" ]; then
-        	break
+            break
         fi
-		$PKG_CONFIG openssl
+        $PKG_CONFIG openssl
         if [ $? -ne 0 ] ; then
             break
         fi
-        CFLAGS="$CFLAGS `$PKG_CONFIG --cflags openssl`"
-        LDFLAGS="$LDFLAGS `$PKG_CONFIG --libs openssl`"
-		echo yes
+        TEMP_CFLAGS="$TEMP_CFLAGS `$PKG_CONFIG --cflags openssl`"
+        TEMP_LDFLAGS="$TEMP_LDFLAGS `$PKG_CONFIG --libs openssl`"
+        echo yes
         return 0
     done
-	
-    # dependency openssl 
+
+    # dependency openssl
     while true
     do
-        LDFLAGS="$LDFLAGS -lssl -lcrypto"    
-		echo yes
+        TEMP_LDFLAGS="$TEMP_LDFLAGS -lssl -lcrypto"
+        echo yes
         return 0
     done
-	
-	echo no
-	return 1
+
+    echo no
+    return 1
 }
 dependency_libxml2()
 {
     printf "checking for libxml2... "
-    # dependency libxml2 
+    # dependency libxml2
     while true
     do
         if [ -z "$PKG_CONFIG" ]; then
-        	break
+            break
         fi
-		$PKG_CONFIG libxml-2.0
+        $PKG_CONFIG libxml-2.0
         if [ $? -ne 0 ] ; then
             break
         fi
-        CFLAGS="$CFLAGS `$PKG_CONFIG --cflags libxml-2.0`"
-        LDFLAGS="$LDFLAGS `$PKG_CONFIG --libs libxml-2.0`"
-		echo yes
+        TEMP_CFLAGS="$TEMP_CFLAGS `$PKG_CONFIG --cflags libxml-2.0`"
+        TEMP_LDFLAGS="$TEMP_LDFLAGS `$PKG_CONFIG --libs libxml-2.0`"
+        echo yes
         return 0
     done
-	
-    # dependency libxml2 
+
+    # dependency libxml2
     while true
     do
         xml2-config --cflags > /dev/null
         if [ $? -eq 0 ]; then
-            CFLAGS="$CFLAGS `xml2-config --cflags`"
+            TEMP_CFLAGS="$TEMP_CFLAGS `xml2-config --cflags`"
         else
             break
         fi
-		echo yes
+        echo yes
         return 0
     done
-	
-	echo no
-	return 1
+
+    echo no
+    return 1
 }
 
 DEPENDENCIES_FAILED=
 ERROR=0
 # general dependencies
-CFLAGS=
-LDFLAGS=
+TEMP_CFLAGS=
+TEMP_LDFLAGS=
 while true
 do
     if isnotplatform "linux"; then
@@ -342,10 +342,10 @@
     fi
     while true
     do
-        
-        CFLAGS="$CFLAGS -DLINUX"    
-        LDFLAGS="$LDFLAGS -lpthread -ldl -lm -lldap -llber"    
-		cat >> $TEMP_DIR/make.mk << __EOF__
+
+        TEMP_CFLAGS="$TEMP_CFLAGS -DLINUX"
+        TEMP_LDFLAGS="$TEMP_LDFLAGS -lpthread -ldl -lm -lldap -llber"
+        cat >> "$TEMP_DIR/make.mk" << __EOF__
 # platform dependend source files
 PLATFORM_DAEMONOBJ = event_linux.o
 
@@ -359,10 +359,10 @@
 RPATH_WS_LIB_FLAG = -Wl,-rpath,'\$\$ORIGIN/../lib'
 
 __EOF__
-        
+
         break
     done
-    
+
     break
 done
 while true
@@ -375,10 +375,10 @@
     fi
     while true
     do
-        
-        CFLAGS="$CFLAGS -DBSD -I/usr/local/include"    
-        LDFLAGS="$LDFLAGS -lpthread -lm -lldap -llber"    
-		cat >> $TEMP_DIR/make.mk << __EOF__
+
+        TEMP_CFLAGS="$TEMP_CFLAGS -DBSD -I/usr/local/include"
+        TEMP_LDFLAGS="$TEMP_LDFLAGS -lpthread -lm -lldap -llber"
+        cat >> "$TEMP_DIR/make.mk" << __EOF__
 # platform dependend source files
 PLATFORM_DAEMONOBJ = event_bsd.o
 
@@ -392,10 +392,10 @@
 RPATH_WS_LIB_FLAG = -Wl,-rpath,'\$\$ORIGIN/../lib'
 
 __EOF__
-        
+
         break
     done
-    
+
     break
 done
 while true
@@ -405,10 +405,10 @@
     fi
     while true
     do
-        
-        CFLAGS="$CFLAGS -DBSD -DOSX"    
-        LDFLAGS="$LDFLAGS -lpthread -ldl -lm -lldap -llber"    
-		cat >> $TEMP_DIR/make.mk << __EOF__
+
+        TEMP_CFLAGS="$TEMP_CFLAGS -DBSD -DOSX"
+        TEMP_LDFLAGS="$TEMP_LDFLAGS -lpthread -ldl -lm -lldap -llber"
+        cat >> "$TEMP_DIR/make.mk" << __EOF__
 # platform dependend source files
 PLATFORM_DAEMONOBJ = event_bsd.o
 
@@ -422,10 +422,10 @@
 RPATH_WS_LIB_FLAG = -rpath @loader_path/../lib
 
 __EOF__
-        
+
         break
     done
-    
+
     break
 done
 while true
@@ -435,10 +435,10 @@
     fi
     while true
     do
-        
-        CFLAGS="$CFLAGS -DSOLARIS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS"    
-        LDFLAGS="$LDFLAGS -lsocket -lnsl -lsendfile -lposix4 -lpthread -ldl -lm -lmd -lldap"    
-		cat >> $TEMP_DIR/make.mk << __EOF__
+
+        TEMP_CFLAGS="$TEMP_CFLAGS -DSOLARIS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS"
+        TEMP_LDFLAGS="$TEMP_LDFLAGS -lsocket -lnsl -lsendfile -lposix4 -lpthread -ldl -lm -lmd -lldap"
+        cat >> "$TEMP_DIR/make.mk" << __EOF__
 # platform dependend source files
 PLATFORM_DAEMONOBJ = event_solaris.o
 
@@ -448,23 +448,23 @@
 APP_EXT =
 
 __EOF__
-        
+
         break
     done
-    
+
     break
 done
 
 # add general dependency flags to config.mk
-echo >> $TEMP_DIR/config.mk
-if [ ! -z "${CFLAGS}" ]; then
-    echo "CFLAGS += $CFLAGS" >> $TEMP_DIR/config.mk
+echo >> "$TEMP_DIR/config.mk"
+if [ -n "${TEMP_CFLAGS}" ]; then
+    echo "CFLAGS += $TEMP_CFLAGS" >> $TEMP_DIR/config.mk
 fi
-if [ ! -z "${CXXFLAGS}" ]; then
-    echo "CXXFLAGS += $CXXFLAGS" >> $TEMP_DIR/config.mk
+if [ -n "${TEMP_CXXFLAGS}" ]; then
+    echo "CXXFLAGS += $TEMP_CXXFLAGS" >> $TEMP_DIR/config.mk
 fi
-if [ ! -z "${LDFLAGS}" ]; then
-    echo "LDFLAGS += $LDFLAGS" >> $TEMP_DIR/config.mk
+if [ -n "${TEMP_LDFLAGS}" ]; then
+    echo "LDFLAGS += $TEMP_LDFLAGS" >> $TEMP_DIR/config.mk
 fi
 
 #
@@ -474,77 +474,77 @@
 #
 # TARGETS
 #
-CFLAGS=
-CXXFLAGS=
-LDFLAGS=
+TEMP_CFLAGS=
+TEMP_CXXFLAGS=
+TEMP_LDFLAGS=
 
 # Target
-CFLAGS=
-LDFLAGS=
-CXXFLAGS=
+TEMP_CFLAGS=
+TEMP_LDFLAGS=
+TEMP_CXXFLAGS=
 
 dependency_libxml2
 if [ $? -ne 0 ]; then
-	DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED libxml2 "
-	ERROR=1
+    DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED libxml2 "
+    ERROR=1
 fi
 dependency_openssl
 if [ $? -ne 0 ]; then
-	DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED openssl "
-	ERROR=1
+    DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED openssl "
+    ERROR=1
 fi
 
 # Features
 
 
-echo >> $TEMP_DIR/config.mk
-if [ ! -z "${CFLAGS}" ]; then
-    echo "CFLAGS  += $CFLAGS" >> $TEMP_DIR/config.mk
+echo >> "$TEMP_DIR/config.mk"
+if [ -n "${TEMP_CFLAGS}" ]; then
+    echo "CFLAGS  += $TEMP_CFLAGS" >> "$TEMP_DIR/config.mk"
 fi
-if [ ! -z "${CXXFLAGS}" ]; then
-    echo "CXXFLAGS += $CXXFLAGS" >> $TEMP_DIR/config.mk
+if [ -n "${TEMP_CXXFLAGS}" ]; then
+    echo "CXXFLAGS += $TEMP_CXXFLAGS" >> "$TEMP_DIR/config.mk"
 fi
-if [ ! -z "${LDFLAGS}" ]; then
-    echo "LDFLAGS += $LDFLAGS" >> $TEMP_DIR/config.mk
+if [ -n "${TEMP_LDFLAGS}" ]; then
+    echo "LDFLAGS += $TEMP_LDFLAGS" >> "$TEMP_DIR/config.mk"
 fi
 
 # Target: postgresql
-CFLAGS=
-LDFLAGS=
-CXXFLAGS=
+TEMP_CFLAGS=
+TEMP_LDFLAGS=
+TEMP_CXXFLAGS=
 
 
 # Features
-if [ ! -z "$FEATURE_POSTGRESQL" ]; then
-	# check dependency
-	dependency_libpq
-	if [ $? -ne 0 ]; then
-		# "auto" features can fail and are just disabled in this case
-		if [ $FEATURE_POSTGRESQL != "auto" ]; then
-			DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED libpq "
-			ERROR=1
-		fi
-	fi
+if [ -n "$FEATURE_POSTGRESQL" ]; then
+    # check dependency
+    dependency_libpq
+    if [ $? -ne 0 ]; then
+        # "auto" features can fail and are just disabled in this case
+        if [ "$FEATURE_POSTGRESQL" != "auto" ]; then
+            DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED libpq "
+            ERROR=1
+        fi
+    fi
 fi
 
 
-echo >> $TEMP_DIR/config.mk
-if [ ! -z "${CFLAGS}" ]; then
-    echo "POSTGRESQL_CFLAGS  += $CFLAGS" >> $TEMP_DIR/config.mk
+echo >> "$TEMP_DIR/config.mk"
+if [ -n "${TEMP_CFLAGS}" ]; then
+    echo "POSTGRESQL_CFLAGS  += $TEMP_CFLAGS" >> "$TEMP_DIR/config.mk"
 fi
-if [ ! -z "${CXXFLAGS}" ]; then
-    echo "POSTGRESQL_CXXFLAGS += $CXXFLAGS" >> $TEMP_DIR/config.mk
+if [ -n "${TEMP_CXXFLAGS}" ]; then
+    echo "POSTGRESQL_CXXFLAGS += $TEMP_CXXFLAGS" >> "$TEMP_DIR/config.mk"
 fi
-if [ ! -z "${LDFLAGS}" ]; then
-    echo "POSTGRESQL_LDFLAGS += $LDFLAGS" >> $TEMP_DIR/config.mk
+if [ -n "${TEMP_LDFLAGS}" ]; then
+    echo "POSTGRESQL_LDFLAGS += $TEMP_LDFLAGS" >> "$TEMP_DIR/config.mk"
 fi
 
 if [ $ERROR -ne 0 ]; then
-	echo
-	echo "Error: Unresolved dependencies"
-	echo $DEPENDENCIES_FAILED
-	rm -Rf $TEMP_DIR
-	exit 1
+    echo
+    echo "Error: Unresolved dependencies"
+    echo "$DEPENDENCIES_FAILED"
+    rm -Rf "$TEMP_DIR"
+    exit 1
 fi
 
 echo "configure finished"
@@ -553,7 +553,7 @@
 echo "  PREFIX:    $PREFIX"
 echo "  TOOLCHAIN: $TOOLCHAIN_NAME"
 echo
-cat $TEMP_DIR/config.mk $TEMP_DIR/make.mk > config.mk
-rm -Rf $TEMP_DIR
+cat "$TEMP_DIR/config.mk" "$TEMP_DIR/make.mk" > config.mk
+rm -Rf "$TEMP_DIR"