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- dnl GNU_MAKE_JOBSERVER
- dnl
- dnl Implement a workaround for GNU mak jobserver by adding the '+' to the
- dnl recipe line in Makefiles generated by automake.
- dnl
- AC_DEFUN([GNU_MAKE_JOBSERVER],[dnl
- m4_pattern_allow(AM_V_CCLD)
- touch config.status.tmp
- dnl Must keep the same timestamps on config.status and Makefile.
- if touch --reference=config.status config.status.tmp > /dev/null 2>&1; then
- sed '/as_fn_exit 0/i \
- sed -e \"s/^\t\\\(\\\$(AM_V_CCLD)\\\)/\t+ \\\1/\" Makefile > Makefile.tmp \
- touch --reference=Makefile Makefile.tmp \
- mv Makefile.tmp Makefile \
- ' config.status > config.status.tmp
- touch --reference=config.status config.status.tmp
- mv config.status.tmp config.status
- chmod +x config.status
- sed -e "s/^\t\(\$(AM_V_CCLD)\)/\t+ \1/" Makefile > Makefile.tmp
- touch --reference=Makefile Makefile.tmp
- mv Makefile.tmp Makefile
- else
- rm -f config.status.tmp
- fi])
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