message: build: consistently quote AC_PATH_TOOL arguments
diff: @@ -98,11 +98,11 @@ dnl Libtool init checks.
  LT_INIT([pic-only])
  dnl Check/return PATH for base programs.
  -AC_PATH_TOOL(AR, ar)
  -AC_PATH_TOOL(RANLIB, ranlib)
  -AC_PATH_TOOL(STRIP, strip)
  -AC_PATH_TOOL(GCOV, gcov)
  -AC_PATH_TOOL(LLVM_COV, llvm-cov)
  +AC_PATH_TOOL([AR], [ar])
  +AC_PATH_TOOL([RANLIB], [ranlib])
  +AC_PATH_TOOL([STRIP], [strip])
  +AC_PATH_TOOL([GCOV], [gcov])
  +AC_PATH_TOOL([LLVM_COV], [llvm-cov])
  AC_PATH_PROG([LCOV], [lcov])
  dnl Python 3.6 is specified in .python-version and should be used if available, see doc/dependencies.md
  AC_PATH_PROGS([PYTHON], [python3.6 python3.7 python3.8 python3.9 python3.10 python3.11 python3 python])
  @@ -111,7 +111,7 @@ AC_PATH_PROG([GIT], [git])
  AC_PATH_PROG([CCACHE], [ccache])
  AC_PATH_PROG([XGETTEXT], [xgettext])
  AC_PATH_PROG([HEXDUMP], [hexdump])
  -AC_PATH_TOOL(OBJCOPY, objcopy)
  +AC_PATH_TOOL([OBJCOPY], [objcopy])
  AC_PATH_PROG([DOXYGEN], [doxygen])
  AM_CONDITIONAL([HAVE_DOXYGEN], [test -n "$DOXYGEN"])
  @@ -650,7 +650,7 @@ case $host in
  AC_MSG_WARN("makensis not found. Cannot create installer.")
  fi
  - AC_PATH_TOOL(WINDRES, windres, none)
  + AC_PATH_TOOL([WINDRES], [windres], [none])
  if test x$WINDRES = xnone; then
  AC_MSG_ERROR("windres not found")
  fi
  @@ -733,9 +733,9 @@ case $host in
  BUILD_OS=darwin
  ;;
  *)
  - AC_PATH_TOOL([DSYMUTIL], [dsymutil], dsymutil)
  - AC_PATH_TOOL([INSTALLNAMETOOL], [install_name_tool], install_name_tool)
  - AC_PATH_TOOL([OTOOL], [otool], otool)
  + AC_PATH_TOOL([DSYMUTIL], [dsymutil], [dsymutil])
  + AC_PATH_TOOL([INSTALLNAMETOOL], [install_name_tool], [install_name_tool])
  + AC_PATH_TOOL([OTOOL], [otool], [otool])
  AC_PATH_PROGS([XORRISOFS], [xorrisofs], [xorrisofs])
  AC_PATH_PROGS([DMG], [dmg], [dmg])
  AC_PATH_PROGS([RSVG_CONVERT], [rsvg-convert rsvg], [rsvg-convert])
  