config/jobserver.m4

   1 dnl GNU_MAKE_JOBSERVER
   2 dnl
   3 dnl Implement a workaround for GNU mak jobserver by adding the '+' to the
   4 dnl recipe line in Makefiles generated by automake.
   5 dnl
   6 AC_DEFUN([GNU_MAKE_JOBSERVER],[dnl
   7 m4_pattern_allow(AM_V_CCLD)
   8 touch config.status.tmp
   9 dnl Must keep the same timestamps on config.status and Makefile.
  10 if touch --reference=config.status config.status.tmp > /dev/null 2>&1; then
  11   sed '/as_fn_exit 0/i \
  12 sed -e \"s/^\t\\\(\\\$(AM_V_CCLD)\\\)/\t+ \\\1/\" Makefile > Makefile.tmp \
  13 touch --reference=Makefile Makefile.tmp \
  14 mv Makefile.tmp Makefile \
  15 ' config.status > config.status.tmp
  16   touch --reference=config.status config.status.tmp
  17   mv config.status.tmp config.status
  18   chmod +x config.status
  19   sed -e "s/^\t\(\$(AM_V_CCLD)\)/\t+ \1/" Makefile > Makefile.tmp
  20   touch --reference=Makefile Makefile.tmp
  21   mv Makefile.tmp Makefile
  22 else
  23   rm -f config.status.tmp
  24 fi])