From 7b64823e496cd25071bb34fb2b9158f605e049ab Mon Sep 17 00:00:00 2001
From: jim <jim@13f79535-47bb-0310-9956-ffa450edef68>
Date: Fri, 2 Jun 2000 16:47:30 +0000
Subject: Use "standard" m4 quoting to remove the ugly hack in case some of the
 arguments have ','s in them, which some do.

PR:
Obtained from:
Submitted by:
Reviewed by:


git-svn-id: http://svn.apache.org/repos/asf/apr/apr/trunk@60131 13f79535-47bb-0310-9956-ffa450edef68
---
 hints.m4 | 298 +++++++++++++++++++++++++++++++--------------------------------
 1 file changed, 149 insertions(+), 149 deletions(-)

diff --git a/hints.m4 b/hints.m4
index e025ab67e..71652666b 100644
--- a/hints.m4
+++ b/hints.m4
@@ -37,7 +37,7 @@ dnl  Set variable iff it's currently null
 dnl
 AC_DEFUN(APR_SETIFNULL,[
   if test -z "$$1"; then
-    $1="$2$3$4$5$6$7$8$9"; export $1
+    $1="$2"; export $1
   fi
 ])
 
@@ -47,7 +47,7 @@ dnl
 dnl  Add value to variable
 dnl
 AC_DEFUN(APR_ADDTO,[
-   $1="$$1 $2$3$4$5$6$7$8$9"; export $1
+   $1="$$1 $2"; export $1
 ])
 
 dnl
@@ -63,313 +63,313 @@ echo "Applying hints file rules for $PLAT"
 
 case "$PLAT" in
     *mint)
-	APR_SETIFNULL(CFLAGS, -DMINT)
-	APR_SETIFNULL(LIBS, -lportlib -lsocket)
+	APR_SETIFNULL(CFLAGS, [-DMINT])
+	APR_SETIFNULL(LIBS, [-lportlib -lsocket])
 	;;
     *MPE/iX*)
-	APR_SETIFNULL(CFLAGS, -DMPE -D_POSIX_SOURCE -D_SOCKET_SOURCE)
-	APR_SETIFNULL(LIBS, -lsocket -lsvipc -lcurses)
-	APR_SETIFNULL(LDFLAGS, -Xlinker \"-WL,cap=ia,ba,ph;nmstack=1024000\")
-	APR_SETIFNULL(CAT, /bin/cat)
+	APR_SETIFNULL(CFLAGS, [-DMPE -D_POSIX_SOURCE -D_SOCKET_SOURCE])
+	APR_SETIFNULL(LIBS, [-lsocket -lsvipc -lcurses])
+	APR_SETIFNULL(LDFLAGS, [-Xlinker \"-WL,cap=ia,ba,ph;nmstack=1024000\"])
+	APR_SETIFNULL(CAT, [/bin/cat])
 	;;
     *-apple-aux3*)
-	APR_SETIFNULL(CFLAGS, -DAUX3 -D_POSIX_SOURCE)
-	APR_SETIFNULL(LIBS, -lposix -lbsd)
-	APR_SETIFNULL(LDFLAGS, -s)
+	APR_SETIFNULL(CFLAGS, [-DAUX3 -D_POSIX_SOURCE])
+	APR_SETIFNULL(LIBS, [-lposix -lbsd])
+	APR_SETIFNULL(LDFLAGS, [-s])
 	;;
     i386-ibm-aix*)
-	APR_SETIFNULL(CFLAGS, -DAIX=1 -U__STR__ -DUSEBCOPY)
+	APR_SETIFNULL(CFLAGS, [-DAIX=1 -U__STR__ -DUSEBCOPY])
 	;;
     *-ibm-aix[1-2].*)
-	APR_SETIFNULL(CFLAGS, -DAIX=1 -DNEED_RLIM_T -U__STR__)
+	APR_SETIFNULL(CFLAGS, [-DAIX=1 -DNEED_RLIM_T -U__STR__])
 	;;
     *-ibm-aix3.*)
-	APR_SETIFNULL(CFLAGS, -DAIX=30 -DNEED_RLIM_T -U__STR__)
+	APR_SETIFNULL(CFLAGS, [-DAIX=30 -DNEED_RLIM_T -U__STR__])
 	;;
     *-ibm-aix4.1)
-	APR_SETIFNULL(CFLAGS, -DAIX=41 -DNEED_RLIM_T -U__STR__)
+	APR_SETIFNULL(CFLAGS, [-DAIX=41 -DNEED_RLIM_T -U__STR__])
 	;;
     *-ibm-aix4.2)
-	APR_SETIFNULL(CFLAGS, -DAIX=42 -U__STR__)
-	APR_SETIFNULL(LDFLAGS, -lm)
+	APR_SETIFNULL(CFLAGS, [-DAIX=42 -U__STR__])
+	APR_SETIFNULL(LDFLAGS, [-lm])
 	;;
     *-ibm-aix4.3)
-	APR_SETIFNULL(CFLAGS, -DAIX=43 -U__STR__)
-	APR_SETIFNULL(LDFLAGS, -lm)
+	APR_SETIFNULL(CFLAGS, [-DAIX=43 -U__STR__])
+	APR_SETIFNULL(LDFLAGS, [-lm])
 	;;
     *-ibm-aix*)
-	APR_SETIFNULL(CFLAGS, -DAIX=1 -U__STR__)
-	APR_SETIFNULL(LDFLAGS, -lm)
+	APR_SETIFNULL(CFLAGS, [-DAIX=1 -U__STR__])
+	APR_SETIFNULL(LDFLAGS, [-lm])
 	;;
     *-apollo-*)
-	APR_SETIFNULL(CFLAGS, -DAPOLLO)
+	APR_SETIFNULL(CFLAGS, [-DAPOLLO])
 	;;
     *-dg-dgux*)
-	APR_SETIFNULL(CFLAGS, -DDGUX)
+	APR_SETIFNULL(CFLAGS, [-DDGUX])
 	;;
     *OS/2*)
-	APR_SETIFNULL(CFLAGS, -DOS2 -DTCPIPV4 -g -Zmt)
-	APR_SETIFNULL(LDFLAGS, -Zexe -Zmtd -Zsysv-signals -Zbin-files)
-	APR_SETIFNULL(LIBS, -lsocket -lufc -lbsd)
-	APR_SETIFNULL(SHELL, sh)
-        APR_SETIFNULL(file_as_socket, 0)
+	APR_SETIFNULL(CFLAGS, [-DOS2 -DTCPIPV4 -g -Zmt])
+	APR_SETIFNULL(LDFLAGS, [-Zexe -Zmtd -Zsysv-signals -Zbin-files])
+	APR_SETIFNULL(LIBS, [-lsocket -lufc -lbsd])
+	APR_SETIFNULL(SHELL, [sh])
+        APR_SETIFNULL(file_as_socket, [0])
 	;;
     *-hi-hiux)
-	APR_SETIFNULL(CFLAGS, -DHIUX)
+	APR_SETIFNULL(CFLAGS, [-DHIUX])
 	;;
     *-hp-hpux11.*)
-	APR_SETIFNULL(CFLAGS, -DHPUX11)
-	APR_SETIFNULL(LIBS, -lm -lpthread)
+	APR_SETIFNULL(CFLAGS, [-DHPUX11])
+	APR_SETIFNULL(LIBS, [-lm -lpthread])
 	;;
     *-hp-hpux10.*)
-	APR_SETIFNULL(CFLAGS, -DHPUX10)
+	APR_SETIFNULL(CFLAGS, [-DHPUX10])
  	case $PLAT in
  	  *-hp-hpux10.01)
 dnl	       # We know this is a problem in 10.01.
 dnl	       # Not a problem in 10.20.  Otherwise, who knows?
-	       APR_ADDTO(CFLAGS, -DSELECT_NEEDS_CAST)
+	       APR_ADDTO(CFLAGS, [-DSELECT_NEEDS_CAST])
 	       ;;	     
  	esac
 	;;
     *-hp-hpux*)
-	APR_SETIFNULL(CFLAGS, -DHPUX)
-	APR_SETIFNULL(LIBS, -lm)
+	APR_SETIFNULL(CFLAGS, [-DHPUX])
+	APR_SETIFNULL(LIBS, [-lm])
 	;;
     *-linux2)
-	APR_SETIFNULL(CFLAGS, -DLINUX=2)
-	APR_SETIFNULL(LIBS, -lm)
+	APR_SETIFNULL(CFLAGS, [-DLINUX=2])
+	APR_SETIFNULL(LIBS, [-lm])
 	;;
     *-GNU*)
-	APR_SETIFNULL(CFLAGS, -DHURD)
-	APR_SETIFNULL(LIBS, -lm -lcrypt)
+	APR_SETIFNULL(CFLAGS, [-DHURD])
+	APR_SETIFNULL(LIBS, [-lm -lcrypt])
 	;;
     *-linux1)
-	APR_SETIFNULL(CFLAGS, -DLINUX=1)
+	APR_SETIFNULL(CFLAGS, [-DLINUX=1])
 	;;
     *-lynx-lynxos)
-	APR_SETIFNULL(CFLAGS, -D__NO_INCLUDE_WARN__ -DLYNXOS)
-	APR_SETIFNULL(LIBS, -lbsd -lcrypt)
+	APR_SETIFNULL(CFLAGS, [-D__NO_INCLUDE_WARN__ -DLYNXOS])
+	APR_SETIFNULL(LIBS, [-lbsd -lcrypt])
 	;;
     *486-*-bsdi*)
-	APR_SETIFNULL(CFLAGS, -m486)
+	APR_SETIFNULL(CFLAGS, [-m486])
 	;;
     *-netbsd*)
-	APR_SETIFNULL(CFLAGS, -DNETBSD)
-	APR_SETIFNULL(LIBS, -lcrypt)
+	APR_SETIFNULL(CFLAGS, [-DNETBSD])
+	APR_SETIFNULL(LIBS, [-lcrypt])
 	;;
     *-freebsd*)
 	case $PLAT in
 	    *freebsd[2345]*)
-		APR_SETIFNULL(CFLAGS, -funsigned-char)
+		APR_SETIFNULL(CFLAGS, [-funsigned-char])
 		;;
 	esac
-	APR_SETIFNULL(LIBS, -lcrypt)
+	APR_SETIFNULL(LIBS, [-lcrypt])
 	;;
     *-next-nextstep*)
-	APR_SETIFNULL(OPTIM, -O)
-	APR_SETIFNULL(CFLAGS, -DNEXT)
+	APR_SETIFNULL(OPTIM, [-O])
+	APR_SETIFNULL(CFLAGS, [-DNEXT])
 	;;
     *-next-openstep*)
-	APR_SETIFNULL(CC, cc)
-	APR_SETIFNULL(OPTIM, -O)
-	APR_SETIFNULL(CFLAGS, -DNEXT)
+	APR_SETIFNULL(CC, [cc])
+	APR_SETIFNULL(OPTIM, [-O])
+	APR_SETIFNULL(CFLAGS, [-DNEXT])
 	;;
 dnl    *-apple-rhapsody*)
-dnl	APR_SETIFNULL(CFLAGS, -DDARWIN -DMAC_OS_X_SERVER)
+dnl	APR_SETIFNULL(CFLAGS, [-DDARWIN -DMAC_OS_X_SERVER])
 dnl	;;
     *-apple-darwin*)
-	APR_SETIFNULL(CFLAGS, -DDARWIN)
+	APR_SETIFNULL(CFLAGS, [-DDARWIN])
 	;;
     *-dec-osf*)
-	APR_SETIFNULL(CFLAGS, -DOSF1)
-	APR_SETIFNULL(LIBS, -lm)
+	APR_SETIFNULL(CFLAGS, [-DOSF1])
+	APR_SETIFNULL(LIBS, [-lm])
 	;;
     *-qnx)
-	APR_SETIFNULL(CFLAGS, -DQNX)
-	APR_SETIFNULL(LIBS, -N128k -lsocket -lunix)
+	APR_SETIFNULL(CFLAGS, [-DQNX])
+	APR_SETIFNULL(LIBS, [-N128k -lsocket -lunix])
 	;;
     *-qnx32)
-        APR_SETIFNULL(CC, cc -F)
-	APR_SETIFNULL(CFLAGS, -DQNX -mf -3)
-	APR_SETIFNULL(LIBS, -N128k -lsocket -lunix)
+        APR_SETIFNULL(CC, [cc -F])
+	APR_SETIFNULL(CFLAGS, [-DQNX -mf -3])
+	APR_SETIFNULL(LIBS, [-N128k -lsocket -lunix])
 	;;
     *-isc4*)
-	APR_SETIFNULL(CC, gcc)
-	APR_SETIFNULL(CFLAGS, -posix -DISC)
-	APR_SETIFNULL(LDFLAGS, -posix)
-	APR_SETIFNULL(LIBS, -linet)
+	APR_SETIFNULL(CC, [gcc])
+	APR_SETIFNULL(CFLAGS, [-posix -DISC])
+	APR_SETIFNULL(LDFLAGS, [-posix])
+	APR_SETIFNULL(LIBS, [-linet])
 	;;
     *-sco3*)
-	APR_SETIFNULL(CFLAGS, -DSCO -Oacgiltz)
-	APR_SETIFNULL(LIBS, -lPW -lsocket -lmalloc -lcrypt_i)
+	APR_SETIFNULL(CFLAGS, [-DSCO -Oacgiltz])
+	APR_SETIFNULL(LIBS, [-lPW -lsocket -lmalloc -lcrypt_i])
 	;;
     *-sco5*)
-	APR_SETIFNULL(CFLAGS, -DSCO5)
-	APR_SETIFNULL(LIBS, -lsocket -lmalloc -lprot -ltinfo -lx -lm)
+	APR_SETIFNULL(CFLAGS, [-DSCO5])
+	APR_SETIFNULL(LIBS, [-lsocket -lmalloc -lprot -ltinfo -lx -lm])
 	;;
     *-sco_sv*|*-SCO_SV*)
-	APR_SETIFNULL(CFLAGS, -DSCO)
-	APR_SETIFNULL(LIBS, -lPW -lsocket -lmalloc -lcrypt_i)
+	APR_SETIFNULL(CFLAGS, [-DSCO])
+	APR_SETIFNULL(LIBS, [-lPW -lsocket -lmalloc -lcrypt_i])
 	;;
     *-solaris2*)
     	PLATOSVERS=`echo $PLAT | sed 's/^.*solaris2.//'`
-	APR_SETIFNULL(CFLAGS, -DSOLARIS2=$PLATOSVERS)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl)
+	APR_SETIFNULL(CFLAGS, [-DSOLARIS2=$PLATOSVERS])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl])
 	;;
     *-sunos4*)
-	APR_SETIFNULL(CFLAGS, -DSUNOS4 -DUSEBCOPY)
+	APR_SETIFNULL(CFLAGS, [-DSUNOS4 -DUSEBCOPY])
 	;;
     *-unixware1)
-	APR_SETIFNULL(CFLAGS, -DUW=100)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lcrypt)
+	APR_SETIFNULL(CFLAGS, [-DUW=100])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lcrypt])
 	;;
     *-unixware2)
-	APR_SETIFNULL(CFLAGS, -DUW=200)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lcrypt -lgen)
+	APR_SETIFNULL(CFLAGS, [-DUW=200])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lcrypt -lgen])
 	;;
     *-unixware211)
-	APR_SETIFNULL(CFLAGS, -DUW=211)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lcrypt -lgen)
+	APR_SETIFNULL(CFLAGS, [-DUW=211])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lcrypt -lgen])
 	;;
     *-unixware212)
-	APR_SETIFNULL(CFLAGS, -DUW=212)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lcrypt -lgen)
+	APR_SETIFNULL(CFLAGS, [-DUW=212])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lcrypt -lgen])
 	;;
     *-unixware7)
-	APR_SETIFNULL(CFLAGS, -DUW=700)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lcrypt -lgen)
+	APR_SETIFNULL(CFLAGS, [-DUW=700])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lcrypt -lgen])
 	;;
     maxion-*-sysv4*)
-	APR_SETIFNULL(CFLAGS, -DSVR4)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lc -lgen)
+	APR_SETIFNULL(CFLAGS, [-DSVR4])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lc -lgen])
 	;;
     *-*-powermax*)
-	APR_SETIFNULL(CFLAGS, -DSVR4)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lgen)
+	APR_SETIFNULL(CFLAGS, [-DSVR4])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lgen])
 	;;
     TPF)
-       APR_SETIFNULL(CC, c89)
-       APR_SETIFNULL(CFLAGS, -DTPF -DCHARSET_EBCDIC -D_POSIX_SOURCE)
+       APR_SETIFNULL(CC, [c89])
+       APR_SETIFNULL(CFLAGS, [-DTPF -DCHARSET_EBCDIC -D_POSIX_SOURCE])
        ;;
     BS2000*-siemens-sysv4*)
-	APR_SETIFNULL(CC, c89 -XLLML -XLLMK -XL -Kno_integer_overflow)
-	APR_SETIFNULL(CFLAGS, -DCHARSET_EBCDIC -DSVR4 -D_XPG_IV)
+	APR_SETIFNULL(CC, [c89 -XLLML -XLLMK -XL -Kno_integer_overflow])
+	APR_SETIFNULL(CFLAGS, [-DCHARSET_EBCDIC -DSVR4 -D_XPG_IV])
 	;;
     *-siemens-sysv4*)
-	APR_SETIFNULL(CFLAGS, -DSVR4 -D_XPG_IV -DHAS_DLFCN -DUSE_MMAP_FILES -DUSE_SYSVSEM_SERIALIZED_ACCEPT -DNEED_UNION_SEMUN)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lc)
+	APR_SETIFNULL(CFLAGS, [-DSVR4 -D_XPG_IV -DHAS_DLFCN -DUSE_MMAP_FILES -DUSE_SYSVSEM_SERIALIZED_ACCEPT -DNEED_UNION_SEMUN])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lc])
 	;;
     pyramid-pyramid-svr4)
-	APR_SETIFNULL(CFLAGS, -DSVR4 -DNO_LONG_DOUBLE)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lc)
+	APR_SETIFNULL(CFLAGS, [-DSVR4 -DNO_LONG_DOUBLE])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lc])
 	;;
     DS/90\ 7000-*-sysv4*)
-	APR_SETIFNULL(CFLAGS, -DUXPDS)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl)
+	APR_SETIFNULL(CFLAGS, [-DUXPDS])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl])
 	;;
     *-tandem-sysv4*)
-	APR_SETIFNULL(CFLAGS, -DSVR4)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl)
+	APR_SETIFNULL(CFLAGS, [-DSVR4])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl])
 	;;
     *-ncr-sysv4)
-	APR_SETIFNULL(CFLAGS, -DSVR4 -DMPRAS)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lc -L/usr/ucblib -lucb)
+	APR_SETIFNULL(CFLAGS, [-DSVR4 -DMPRAS])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lc -L/usr/ucblib -lucb])
 	;;
     *-sysv4*)
-	APR_SETIFNULL(CFLAGS, -DSVR4)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lc)
+	APR_SETIFNULL(CFLAGS, [-DSVR4])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lc])
 	;;
     88k-encore-sysv4)
-	APR_SETIFNULL(CFLAGS, -DSVR4 -DENCORE)
-	APR_SETIFNULL(LIBS, -lPW)
+	APR_SETIFNULL(CFLAGS, [-DSVR4 -DENCORE])
+	APR_SETIFNULL(LIBS, [-lPW])
 	;;
     *-uts*)
 	PLATOSVERS=`echo $PLAT | sed 's/^.*,//'`
 	case $PLATOSVERS in
-	    2*) APR_SETIFNULL(CFLAGS, -Xa -eft -DUTS21 -DUSEBCOPY)
-	        APR_SETIFNULL(LIBS, -lsocket -lbsd -la)
+	    2*) APR_SETIFNULL(CFLAGS, [-Xa -eft -DUTS21 -DUSEBCOPY])
+	        APR_SETIFNULL(LIBS, [-lsocket -lbsd -la])
 	        ;;
-	    *)  APR_SETIFNULL(CFLAGS, -Xa -DSVR4)
-	        APR_SETIFNULL(LIBS, -lsocket -lnsl)
+	    *)  APR_SETIFNULL(CFLAGS, [-Xa -DSVR4])
+	        APR_SETIFNULL(LIBS, [-lsocket -lnsl])
 	        ;;
 	esac
 	;;
     *-ultrix)
-	APR_SETIFNULL(CFLAGS=-DULTRIX)
-	APR_SETIFNULL(SHELL=/bin/sh5)
+	APR_SETIFNULL(CFLAGS, [-DULTRIX])
+	APR_SETIFNULL(SHELL, [/bin/sh5])
 	;;
     *powerpc-tenon-machten*)
-	APR_SETIFNULL(LDFLAGS, -Xlstack=0x14000 -Xldelcsect)
+	APR_SETIFNULL(LDFLAGS, [-Xlstack=0x14000 -Xldelcsect])
 	;;
     *-machten*)
-	APR_SETIFNULL(LDFLAGS, -stack 0x14000)
+	APR_SETIFNULL(LDFLAGS, [-stack 0x14000])
 	;;
     *convex-v11*)
-	APR_SETIFNULL(CFLAGS, -ext -DCONVEXOS11)
-	APR_SETIFNULL(OPTIM, -O1)
-	APR_SETIFNULL(CC, cc)
+	APR_SETIFNULL(CFLAGS, [-ext -DCONVEXOS11])
+	APR_SETIFNULL(OPTIM, [-O1])
+	APR_SETIFNULL(CC, [cc])
 	;;
     i860-intel-osf1)
-	APR_SETIFNULL(CFLAGS, -DPARAGON)
+	APR_SETIFNULL(CFLAGS, [-DPARAGON])
 	;;
     *-sequent-ptx2.*.*)
-	APR_SETIFNULL(CFLAGS, -DSEQUENT=20 -Wc,-pw)
-	APR_SETIFNULL(LIBS, -lsocket -linet -lnsl -lc -lseq)
+	APR_SETIFNULL(CFLAGS, [-DSEQUENT=20 -Wc,-pw])
+	APR_SETIFNULL(LIBS, [-lsocket -linet -lnsl -lc -lseq])
 	;;
     *-sequent-ptx4.0.*)
-	APR_SETIFNULL(CFLAGS, -DSEQUENT=40 -Wc,-pw)
-	APR_SETIFNULL(LIBS, -lsocket -linet -lnsl -lc)
+	APR_SETIFNULL(CFLAGS, [-DSEQUENT=40 -Wc,-pw])
+	APR_SETIFNULL(LIBS, [-lsocket -linet -lnsl -lc])
 	;;
     *-sequent-ptx4.[123].*)
-	APR_SETIFNULL(CFLAGS, -DSEQUENT=41 -Wc,-pw)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lc)
+	APR_SETIFNULL(CFLAGS, [-DSEQUENT=41 -Wc,-pw])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lc])
 	;;
     *-sequent-ptx4.4.*)
-	APR_SETIFNULL(CFLAGS, -DSEQUENT=44 -Wc,-pw)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lc)
+	APR_SETIFNULL(CFLAGS, [-DSEQUENT=44 -Wc,-pw])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lc])
 	;;
     *-sequent-ptx4.5.*)
-	APR_SETIFNULL(CFLAGS, -DSEQUENT=45 -Wc,-pw)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lc)
+	APR_SETIFNULL(CFLAGS, [-DSEQUENT=45 -Wc,-pw])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lc])
 	;;
     *-sequent-ptx5.0.*)
-	APR_SETIFNULL(CFLAGS, -DSEQUENT=50 -Wc,-pw)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lc)
+	APR_SETIFNULL(CFLAGS, [-DSEQUENT=50 -Wc,-pw])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lc])
 	;;
     *NEWS-OS*)
-	APR_SETIFNULL(CFLAGS, -DNEWSOS)
+	APR_SETIFNULL(CFLAGS, [-DNEWSOS])
 	;;
     *-riscix)
-	APR_SETIFNULL(CFLAGS, -DRISCIX)
-	APR_SETIFNULL(OPTIM, -O)
-	APR_SETIFNULL(MAKE, make)
+	APR_SETIFNULL(CFLAGS, [-DRISCIX])
+	APR_SETIFNULL(OPTIM, [-O])
+	APR_SETIFNULL(MAKE, [make])
 	;;
     *-BeOS*)
-	APR_SETIFNULL(CFLAGS, -DBEOS)
-        APR_SETIFNULL(file_as_socket, 0)
+	APR_SETIFNULL(CFLAGS, [-DBEOS])
+        APR_SETIFNULL(file_as_socket, [0])
 	;;
     4850-*.*)
-	APR_SETIFNULL(CFLAGS, -DSVR4 -DMPRAS)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lc -L/usr/ucblib -lucb)
+	APR_SETIFNULL(CFLAGS, [-DSVR4 -DMPRAS])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lc -L/usr/ucblib -lucb])
 	;;
     drs6000*)
-	APR_SETIFNULL(CFLAGS, -DSVR4)
-	APR_SETIFNULL(LIBS, -lsocket -lnsl -lc -L/usr/ucblib -lucb)
+	APR_SETIFNULL(CFLAGS, [-DSVR4])
+	APR_SETIFNULL(LIBS, [-lsocket -lnsl -lc -L/usr/ucblib -lucb])
 	;;
     m88k-*-CX/SX|CYBER)
-	APR_SETIFNULL(CFLAGS, -D_CX_SX -Xa)
-	APR_SETIFNULL(CC, cc)
+	APR_SETIFNULL(CFLAGS, [-D_CX_SX -Xa])
+	APR_SETIFNULL(CC, [cc])
 	;;
     *-tandem-oss)
-	APR_SETIFNULL(CFLAGS=-D_TANDEM_SOURCE -D_XOPEN_SOURCE_EXTENDED=1)
-	APR_SETIFNULL(CC, c89)
+	APR_SETIFNULL(CFLAGS, [-D_TANDEM_SOURCE -D_XOPEN_SOURCE_EXTENDED=1])
+	APR_SETIFNULL(CC, [c89])
 	;;
     *-ibm-os390)
-       APR_SETIFNULL(CC, cc)
-       APR_ADDTO(CFLAGS, -U_NO_PROTO)
-       APR_ADDTO(CFLAGS, -DPTHREAD_ATTR_SETDETACHSTATE_ARG2_ADDR)
-       APR_ADDTO(CFLAGS, -DPTHREAD_DETACH_ARG1_ADDR)
-       APR_ADDTO(CFLAGS, -DSIGPROCMASK_SETS_THREAD_MASK)
+       APR_SETIFNULL(CC, [cc])
+       APR_ADDTO(CFLAGS, [-U_NO_PROTO])
+       APR_ADDTO(CFLAGS, [-DPTHREAD_ATTR_SETDETACHSTATE_ARG2_ADDR])
+       APR_ADDTO(CFLAGS, [-DPTHREAD_DETACH_ARG1_ADDR])
+       APR_ADDTO(CFLAGS, [-DSIGPROCMASK_SETS_THREAD_MASK])
        ;;
 esac
 APR_DOEXTRA
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