Print found libpq version in build log

configure

@@ -22,6 +22,7 @@ PKG_LIBS_STATIC="-lpq -lssl -lcrypto -lldap"
 if [ $(command -v pkg-config) ]; then
   PKGCONFIG_CFLAGS=$(pkg-config --cflags --silence-errors ${PKG_CONFIG_NAME})
   PKGCONFIG_LIBS=$(pkg-config --libs --silence-errors ${PKG_CONFIG_NAME})
+  PKGCONFIG_MODVERSION=$(pkg-config --modversion --silence-errors ${PKG_CONFIG_NAME})
 
   # MacOS seems to ship a broken libpq.pc file
   if [[ "$PKGCONFIG_CFLAGS" == *"Internal.sdk"* ]]; then
@@ -34,6 +35,7 @@ fi
 if [ $(command -v pg_config) ]; then
   PG_INC_DIR=$(pg_config --includedir)
   PG_LIB_DIR=$(pg_config --libdir)
+  PG_VERSION=$(pg_config --version)
 fi
 
 # Note that cflags may be empty in case of success
@@ -42,11 +44,11 @@ if [ "$INCLUDE_DIR" ] || [ "$LIB_DIR" ]; then
   PKG_CFLAGS="-I$INCLUDE_DIR $PKG_CFLAGS"
   PKG_LIBS="-L$LIB_DIR $PKG_LIBS"
 elif [ "$PKGCONFIG_CFLAGS" ] || [ "$PKGCONFIG_LIBS" ]; then
-  echo "Using pkg-config cflags and libs!"
+  echo "Using pkg-config cflags and libs ($PKG_CONFIG_NAME $PKGCONFIG_MODVERSION)!"
   PKG_CFLAGS=${PKGCONFIG_CFLAGS}
   PKG_LIBS=${PKGCONFIG_LIBS}
 elif [ "$PG_INC_DIR" ] || [ "$PG_LIB_DIR" ]; then
-  echo "Using pg_config includedir and libdir!"
+  echo "Using pg_config includedir and libdir ($PG_VERSION)!"
   PKG_CFLAGS="-I${PG_INC_DIR}"
   PKG_LIBS="-L${PG_LIB_DIR} ${PKG_LIBS}"
 elif [[ "$OSTYPE" == "darwin"* ]]; then