Re: HOWTO get content of config.h into a userdefined header (for distribution)

[Alexandre Duret-Lutz]

>>> "Oliver" == Oliver  <address@hidden> writes:

[...]

 Oliver> AC_CHECK_HEADERS(signal.h)
 Oliver> AC_OUTPUT_COMMANDS(
 Oliver> if test x$ac_cv_header_signal_h = xyes; then
 Oliver> echo '#include <signal.h>'  >> libdir/comon.h
 Oliver> fi)

The code you put in AC_OUTPUT_COMMANDS is run by config.status
which know nothing about $ac_cv_header_signal_h.  You want to
use the second argument of AC_OUTPUT_COMMANDS to transmit that value:

AC_CHECK_HEADERS([signal.h])
AC_OUTPUT_COMMANDS([
  if test x$ac_cv_header_signal_h = xyes; then
     echo '#include <signal.h>'  >> libdir/comon.h
  fi
],[
ac_cv_header_signal_h=$ac_cv_header_signal_h
])

See http://sources.redhat.com/autobook/autobook/autobook_97.html
for details.

[...]

-- 
Alexandre Duret-Lutz