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Convert some long lists in configure.in to one-line-per-entry style.

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The idea here is that patches that add items to these lists will often
be easier to rebase over other additions to the same lists, because
they won't be trying to touch the very same line of configure.in.

There will still be merge conflicts in the configure script, but that
can be fixed just by re-running autoconf (or by leaving configure out
of the submitted patch to begin with ...)

Implementation note: use of m4_normalize() is necessary to get rid of
the newlines, else incorrect shell syntax will be emitted.  But with
that hack, the generated configure script is identical to what it
was before.

Discussion: https://postgr.es/m/19344.1539050134@sss.pgh.pa.us
This commit is contained in:
Tom Lane 2018-10-09 00:04:27 -04:00
parent 212fab9926
commit bfa6c5a0c9
1 changed files with 69 additions and 3 deletions
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72
configure.in
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@ -1292,7 +1292,34 @@ AC_SUBST(UUID_LIBS)
AC_HEADER_STDBOOL
AC_CHECK_HEADERS([atomic.h crypt.h fp_class.h getopt.h ieeefp.h ifaddrs.h langinfo.h mbarrier.h poll.h sys/epoll.h sys/ipc.h sys/prctl.h sys/procctl.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/shm.h sys/sockio.h sys/tas.h sys/un.h termios.h ucred.h utime.h wchar.h wctype.h])
AC_CHECK_HEADERS(m4_normalize([
atomic.h
crypt.h
fp_class.h
getopt.h
ieeefp.h
ifaddrs.h
langinfo.h
mbarrier.h
poll.h
sys/epoll.h
sys/ipc.h
sys/prctl.h
sys/procctl.h
sys/pstat.h
sys/resource.h
sys/select.h
sys/sem.h
sys/shm.h
sys/sockio.h
sys/tas.h
sys/un.h
termios.h
ucred.h
utime.h
wchar.h
wctype.h
]))
# On BSD, test for net/if.h will fail unless sys/socket.h
# is included first.
@ -1571,7 +1598,32 @@ PGAC_FUNC_WCSTOMBS_L
LIBS_including_readline="$LIBS"
LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
AC_CHECK_FUNCS([cbrt clock_gettime fdatasync getifaddrs getpeerucred getrlimit mbstowcs_l memmove poll posix_fallocate ppoll pstat pthread_is_threaded_np readlink setproctitle setproctitle_fast setsid shm_open strchrnul symlink sync_file_range utime utimes wcstombs_l])
AC_CHECK_FUNCS(m4_normalize([
cbrt
clock_gettime
fdatasync
getifaddrs
getpeerucred
getrlimit
mbstowcs_l
memmove
poll
posix_fallocate
ppoll
pstat
pthread_is_threaded_np
readlink
setproctitle
setproctitle_fast
setsid
shm_open
strchrnul
symlink
sync_file_range
utime
utimes
wcstombs_l
]))
AC_REPLACE_FUNCS(fseeko)
case $host_os in
@ -1640,7 +1692,21 @@ else
AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
fi
AC_REPLACE_FUNCS([crypt dlopen fls getopt getrusage inet_aton mkdtemp random rint srandom strlcat strlcpy strnlen])
AC_REPLACE_FUNCS(m4_normalize([
crypt
dlopen
fls
getopt
getrusage
inet_aton
mkdtemp
random
rint
srandom
strlcat
strlcpy
strnlen
]))
case $host_os in