#! /bin/sh # # If these # comments don't work, trim them. Don't worry about any other # shell scripts, Configure will trim # comments from them for you. # # (If you are trying to port this package to a machine without sh, # I would suggest you have a look at the prototypical config_h.SH file # and edit it to reflect your system. Some packages may include samples # of config.h for certain machines, so you might look for one of those.) # # Yes, you may rip this off to use in other distribution packages. This # script belongs to the public domain and cannot be copyrighted. # # (Note: this Configure script was generated automatically. 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then echo "\$pos" exit 0 fi shift pos=\`expr \$pos + 1\` done done EOF chmod +x fieldn fieldn=`./fieldn` $rm -f foo.c fieldn case $fieldn in '') pos='???';; 1) pos=first;; 2) pos=second;; 3) pos=third;; *) pos="${fieldn}th";; esac echo "Your cpp writes the filename in the $pos field of the line." : locate header file $cat >findhdr <" > foo\$\$.c $cppstdin $cppminus $cppflags < foo\$\$.c 2>/dev/null | \ $grep "^[ ]*#.*\$wanted" | \ while read cline; do name=\`echo \$cline | $awk "\$awkprg" | $tr -d '"'\` case "\$name" in */\$wanted) echo "\$name"; exit 0;; *) name='';; esac; done; $rm -f foo\$\$.c; case "\$name" in '') exit 1;; esac EOF chmod +x findhdr : see if stat knows about block sizes echo " " xxx=`./findhdr sys/stat.h` if $contains 'st_blocks;' "$xxx" >/dev/null 2>&1 ; then if $contains 'st_blksize;' "$xxx" >/dev/null 2>&1 ; then echo "Your stat() knows about block sizes." >&4 val="$define" else echo "Your stat() doesn't know about block sizes." >&4 val="$undef" fi else echo "Your stat() doesn't know about block sizes." >&4 val="$undef" fi set d_statblks eval $setvar : see if _ptr and _cnt from stdio act std echo " " if $contains '_IO_fpos_t' `./findhdr stdio.h` >/dev/null 2>&1 ; then echo "(Looks like you have stdio.h from Linux.)" case "$stdio_ptr" in '') stdio_ptr='((fp)->_IO_read_ptr)' ptr_lval=$define ;; *) ptr_lval=$d_stdio_ptr_lval;; esac case "$stdio_cnt" in '') stdio_cnt='((fp)->_IO_read_end - (fp)->_IO_read_ptr)' cnt_lval=$undef ;; *) cnt_lval=$d_stdio_cnt_lval;; esac case "$stdio_base" in '') stdio_base='((fp)->_IO_read_base)';; esac case "$stdio_bufsiz" in '') stdio_bufsiz='((fp)->_IO_read_end - (fp)->_IO_read_base)';; esac else case "$stdio_ptr" in '') stdio_ptr='((fp)->_ptr)' ptr_lval=$define ;; *) ptr_lval=$d_stdio_ptr_lval;; esac case "$stdio_cnt" in '') stdio_cnt='((fp)->_cnt)' cnt_lval=$define ;; *) cnt_lval=$d_stdio_cnt_lval;; esac case "$stdio_base" in '') stdio_base='((fp)->_base)';; esac case "$stdio_bufsiz" in '') stdio_bufsiz='((fp)->_cnt + (fp)->_ptr - (fp)->_base)';; esac fi : test whether _ptr and _cnt really work echo "Checking how std your stdio is..." >&4 $cat >try.c < #define FILE_ptr(fp) $stdio_ptr #define FILE_cnt(fp) $stdio_cnt main() { FILE *fp = fopen("try.c", "r"); 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eval $csym; $val; then if $contains strchr "$strings" >/dev/null 2>&1 ; then val="$define" vali="$undef" echo "strchr() found." >&4 else val="$undef" vali="$define" echo "index() found." >&4 fi else val="$undef" vali="$define" echo "index() found." >&4 fi else if set strchr val -f d_strchr; eval $csym; $val; then val="$define" vali="$undef" echo "strchr() found." >&4 else echo "No index() or strchr() found!" >&4 val="$undef" vali="$undef" fi fi set d_strchr; eval $setvar val="$vali" set d_index; eval $setvar : check for structure copying echo " " echo "Checking to see if your C compiler can copy structs..." >&4 $cat >try.c <<'EOCP' main() { struct blurfl { int dyick; } foo, bar; foo = bar; } EOCP if $cc -c try.c >/dev/null 2>&1 ; then val="$define" echo "Yup, it can." else val="$undef" echo "Nope, it can't." fi set d_strctcpy eval $setvar $rm -f try.* : see if symlink exists set symlink d_symlink eval $inlibc : see if system exists set system d_system eval $inlibc : define an is-a-typedef? function typedef='type=$1; 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fi; set $yyy; shift; shift; yyy=$@; case $# in 0) cont="";; 2) xxf="echo \"but I found <\$1> $instead.\" >&4"; xxnf="echo \"and I did not find <\$1> either.\" >&4";; *) xxf="echo \"but I found <\$1\> instead.\" >&4"; xxnf="echo \"there is no <\$1>, ...\" >&4";; esac; done; while $test "$yyy"; do set $yyy; var=$2; eval "was=\$$2"; eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu"; set $yyy; shift; shift; yyy=$@; done' : see if this is a sys/times.h system set sys/times.h i_systimes eval $inhdr : see if times exists echo " " if set times val -f d_times; eval $csym; $val; then echo 'times() found.' >&4 d_times="$define" inc='' case "$i_systimes" in "$define") inc='sys/times.h';; esac set clock_t clocktype long stdio.h sys/types.h $inc eval $typedef dflt="$clocktype" echo " " rp="What type is returned by times() on this system?" . ./myread clocktype="$ans" else echo 'times() NOT found, hope that will do.' >&4 d_times="$undef" clocktype='int' fi : see if struct tm is defined in sys/time.h echo " " if $contains 'struct tm' `./findhdr time.h` >/dev/null 2>&1 ; then echo "You have struct tm defined in rather than ." >&4 val="$undef" else echo "You have struct tm defined in rather than ." >&4 val="$define" fi set d_tminsys eval $setvar : backward compatibility for d_hvfork if test X$d_hvfork != X; then d_vfork="$d_hvfork" d_hvfork='' fi : see if there is a vfork val='' set vfork val eval $inlibc : Ok, but do we want to use it. vfork is reportedly unreliable in : perl on Solaris 2.x, and probably elsewhere. case "$val" in $define) echo " " case "$usevfork" in false) dflt='n';; *) dflt='y';; esac rp="Some systems have problems with vfork(). Do you want to use it?" . ./myread case "$ans" in y|Y) ;; *) echo "Ok, we won't use vfork()." val="$undef" ;; esac ;; esac set d_vfork eval $setvar case "$d_vfork" in $define) usevfork='true';; *) usevfork='false';; esac : see if signal is declared as pointer to function returning int or void echo " " xxx=`./findhdr signal.h` $test "$xxx" && $cppstdin $cppminus $cppflags < $xxx >$$.tmp 2>/dev/null if $contains 'int.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then echo "You have int (*signal())() instead of void." >&4 val="$undef" elif $contains 'void.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then echo "You have void (*signal())() instead of int." >&4 val="$define" elif $contains 'extern[ ]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then echo "You have int (*signal())() instead of void." >&4 val="$undef" else case "$d_voidsig" in '') echo "I can't determine whether signal handler returns void or int..." >&4 dflt=void rp="What type does your signal handler return?" . ./myread case "$ans" in v*) val="$define";; *) val="$undef";; esac;; "$define") echo "As you already told me, signal handler returns void." >&4;; *) echo "As you already told me, signal handler returns int." >&4;; esac fi set d_voidsig eval $setvar case "$d_voidsig" in "$define") signal_t="void";; *) signal_t="int";; esac $rm -f $$.tmp : preserve RCS keywords in files with variable substitution, grrr Header='$Header' Id='$Id' Log='$Log' : check for void type echo " " echo "Checking to see how well your C compiler groks the void type..." >&4 echo " " $cat >&4 <try.c <<'EOCP' #if TRY & 1 void sub() { #else sub() { #endif extern void moo(); /* function returning void */ void (*goo)(); /* ptr to func returning void */ #if TRY & 8 void *hue; /* generic ptr */ #endif #if TRY & 2 void (*foo[10])(); #endif #if TRY & 4 if(goo == moo) { exit(0); } #endif exit(0); } main() { sub(); } EOCP if $cc $ccflags -c -DTRY=$defvoidused try.c >.out 2>&1 ; then voidflags=$defvoidused echo "It appears to support void to the level $package wants ($defvoidused)." if $contains warning .out >/dev/null 2>&1; then echo "However, you might get some warnings that look like this:" $cat .out fi else echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4 if $cc $ccflags -c -DTRY=1 try.c >/dev/null 2>&1; then echo "It supports 1..." if $cc $ccflags -c -DTRY=3 try.c >/dev/null 2>&1; then echo "It also supports 2..." if $cc $ccflags -c -DTRY=7 try.c >/dev/null 2>&1; then voidflags=7 echo "And it supports 4 but not 8 definitely." else echo "It doesn't support 4..." if $cc $ccflags -c -DTRY=11 try.c >/dev/null 2>&1; then voidflags=11 echo "But it supports 8." else voidflags=3 echo "Neither does it support 8." fi fi else echo "It does not support 2..." if $cc $ccflags -c -DTRY=13 try.c >/dev/null 2>&1; then voidflags=13 echo "But it supports 4 and 8." else if $cc $ccflags -c -DTRY=5 try.c >/dev/null 2>&1; then voidflags=5 echo "And it supports 4 but has not heard about 8." else echo "However it supports 8 but not 4." fi fi fi else echo "There is no support at all for void." voidflags=0 fi fi esac case "$voidflags" in "$defvoidused") ;; *) dflt="$voidflags"; rp="Your void support flags add up to what?" . ./myread voidflags="$ans" ;; esac $rm -f try.* .out : see if we should include -lnm echo " " if $test -r /usr/lib/libnm$_a || $test -r /usr/local/lib/libnm$_a ; then echo "New math library found." >&4 libnm='-lnm' else ans=`./loc libnm$_a x $libpth` case "$ans" in x) echo "No nm library found--the normal math library will have to do." >&4 libnm='' ;; *) echo "New math library found in $ans." >&4 libnm="$ans" ;; esac fi : see if this is a malloc.h system set malloc.h i_malloc eval $inhdr : see if stdlib is available set stdlib.h i_stdlib eval $inhdr : determine which malloc to compile in echo " " case "$usemymalloc" in ''|y*|true) dflt='y' ;; n*|false) dflt='n' ;; *) dflt="$usemymalloc" ;; esac rp="Do you wish to attempt to use the malloc that comes with $package?" . ./myread usemymalloc="$ans" case "$ans" in y*|true) usemymalloc='y' mallocsrc='malloc.c' mallocobj="malloc$_o" d_mymalloc="$define" case "$libs" in *-lmalloc*) : Remove malloc from list of libraries to use echo "Removing unneeded -lmalloc from library list" >&4 set `echo X $libs | $sed -e 's/-lmalloc / /' -e 's/-lmalloc$//'` shift libs="$*" echo "libs = $libs" >&4 ;; esac ;; *) usemymalloc='n' mallocsrc='' mallocobj='' d_mymalloc="$undef" ;; esac : Cruising for prototypes echo " " echo "Checking out function prototypes..." >&4 $cat >prototype.c <<'EOCP' main(int argc, char *argv[]) { exit(0);} EOCP if $cc $ccflags -c prototype.c >prototype.out 2>&1 ; then echo "Your C compiler appears to support function prototypes." val="$define" else echo "Your C compiler doesn't seem to understand function prototypes." val="$undef" fi set prototype eval $setvar $rm -f prototype* : see what type of char stdio uses. echo " " if $contains 'unsigned.*char.*_ptr;' `./findhdr stdio.h` >/dev/null 2>&1 ; then echo "Your stdio uses unsigned chars." >&4 stdchar="unsigned char" else echo "Your stdio uses signed chars." >&4 stdchar="char" fi : end of configuration questions echo " " echo "End of configuration questions." echo " " : back to where it started if test -d ../UU; then cd .. fi : configuration may be patched via a 'config.over' file if $test -f config.over; then echo " " dflt=y rp='I see a config.over file. Do you wish to load it?' . UU/myread case "$ans" in n*) echo "OK, I'll ignore it.";; *) . ./config.over echo "Configuration override changes have been loaded." ;; esac fi : in case they want portability, strip down executable paths case "$d_portable" in "$define") echo " " echo "Stripping down executable paths..." >&4 for file in $loclist $trylist; do eval $file="\$file" done ;; esac : create config.sh file echo " " echo "Creating config.sh..." >&4 $spitshell <config.sh $startsh # # This file was produced by running the Configure script. It holds all the # definitions figured out by Configure. Should you modify one of these values, # do not forget to propagate your changes by running "Configure -der". You may # instead choose to run each of the .SH files by yourself, or "Configure -S". # # Package name : $package # Source directory : $src # Configuration time: $cf_time # Configured by : $cf_by # Target system : $myuname Author='$Author' Date='$Date' Header='$Header' Id='$Id' Locker='$Locker' Log='$Log' Mcc='$Mcc' RCSfile='$RCSfile' Revision='$Revision' Source='$Source' State='$State' afs='$afs' ar='$ar' archobjs='$archobjs' awk='$awk' bash='$bash' bin='$bin' binexp='$binexp' bison='$bison' byacc='$byacc' c='$c' cat='$cat' cc='$cc' ccflags='$ccflags' cf_by='$cf_by' cf_time='$cf_time' chgrp='$chgrp' chmod='$chmod' chown='$chown' clocktype='$clocktype' comm='$comm' compress='$compress' contains='$contains' cp='$cp' cpio='$cpio' cpp='$cpp' cppflags='$cppflags' cpplast='$cpplast' cppminus='$cppminus' cpprun='$cpprun' cppstdin='$cppstdin' cryptlib='$cryptlib' csh='$csh' d_bcopy='$d_bcopy' d_bsd='$d_bsd' d_bzero='$d_bzero' d_charsprf='$d_charsprf' d_crypt='$d_crypt' d_eunice='$d_eunice' d_gnulibc='$d_gnulibc' d_index='$d_index' d_mymalloc='$d_mymalloc' d_portable='$d_portable' d_rename='$d_rename' d_select='$d_select' d_stat='$d_stat' d_statblks='$d_statblks' d_stdio_cnt_lval='$d_stdio_cnt_lval' d_stdio_ptr_lval='$d_stdio_ptr_lval' d_stdiobase='$d_stdiobase' d_stdstdio='$d_stdstdio' d_strchr='$d_strchr' d_strctcpy='$d_strctcpy' d_symlink='$d_symlink' d_system='$d_system' d_times='$d_times' d_tminsys='$d_tminsys' d_vfork='$d_vfork' d_voidsig='$d_voidsig' d_xenix='$d_xenix' date='$date' defvoidused='$defvoidused' echo='$echo' egrep='$egrep' emacs='$emacs' eunicefix='$eunicefix' expr='$expr' find='$find' firstmakefile='$firstmakefile' flex='$flex' freetype='$freetype' gcc='$gcc' gccversion='$gccversion' glibpth='$glibpth' grep='$grep' gzip='$gzip' hint='$hint' huge='$huge' i_malloc='$i_malloc' i_stdlib='$i_stdlib' i_string='$i_string' i_systimes='$i_systimes' incpath='$incpath' inews='$inews' installbin='$installbin' installmansrc='$installmansrc' ksh='$ksh' large='$large' ldflags='$ldflags' less='$less' lib='$lib' libc='$libc' libexp='$libexp' libnm='$libnm' libpth='$libpth' libs='$libs' line='$line' lint='$lint' lkflags='$lkflags' ln='$ln' lns='$lns' locincpth='$locincpth' loclibpth='$loclibpth' lp='$lp' lpr='$lpr' ls='$ls' mail='$mail' mailx='$mailx' make='$make' mallocobj='$mallocobj' mallocsrc='$mallocsrc' malloctype='$malloctype' manext='$manext' mansrc='$mansrc' mansrcexp='$mansrcexp' medium='$medium' mips='$mips' mips_type='$mips_type' mkdir='$mkdir' models='$models' more='$more' mv='$mv' myuname='$myuname' n='$n' nm_opt='$nm_opt' nm_so_opt='$nm_so_opt' nroff='$nroff' optimize='$optimize' osname='$osname' osvers='$osvers' package='$package' perl='$perl' pg='$pg' plibpth='$plibpth' pmake='$pmake' pr='$pr' prefix='$prefix' prefixexp='$prefixexp' prototype='$prototype' rm='$rm' rmail='$rmail' runnm='$runnm' sed='$sed' sendmail='$sendmail' sh='$sh' shar='$shar' sharpbang='$sharpbang' shsharp='$shsharp' signal_t='$signal_t' sleep='$sleep' smail='$smail' small='$small' so='$so' sort='$sort' spackage='$spackage' spitshell='$spitshell' split='$split' src='$src' startsh='$startsh' stdchar='$stdchar' stdio_base='$stdio_base' stdio_bufsiz='$stdio_bufsiz' stdio_cnt='$stdio_cnt' stdio_filbuf='$stdio_filbuf' stdio_ptr='$stdio_ptr' strings='$strings' submit='$submit' sysman='$sysman' tail='$tail' tar='$tar' tbl='$tbl' test='$test' touch='$touch' tr='$tr' troff='$troff' uname='$uname' uniq='$uniq' usemymalloc='$usemymalloc' usenm='$usenm' usevfork='$usevfork' usrinc='$usrinc' uuname='$uuname' vi='$vi' voidflags='$voidflags' xlibpth='$xlibpth' zcat='$zcat' zip='$zip' EOT : add special variables $test -f $src/patchlevel.h && \ awk '/^#define/ {printf "%s=%s\n",$2,$3}' $src/patchlevel.h >>config.sh echo "CONFIG=true" >>config.sh : propagate old symbols if $test -f UU/config.sh; then UU/oldconfig.sh sed -n 's/^\([a-zA-Z_0-9]*\)=.*/\1/p' config.sh config.sh UU/oldconfig.sh |\ sort | uniq -u >UU/oldsyms set X `cat UU/oldsyms` shift case $# in 0) ;; *) cat <>config.sh for sym in `cat UU/oldsyms`; do echo " Propagating $hint variable "'$'"$sym..." eval 'tmp="$'"${sym}"'"' echo "$tmp" | \ sed -e "s/'/'\"'\"'/g" -e "s/^/$sym='/" -e "s/$/'/" >>config.sh done ;; esac fi : Finish up by extracting the .SH files case "$alldone" in exit) $rm -rf UU echo "Done." exit 0 ;; cont) ;; '') dflt='' nostick=true $cat <&4 -c "$ans";; esac ;; esac : if this fails, just run all the .SH files by hand . ./config.sh echo " " exec 1>&4 . ./UU/extract if $contains '^depend:' [Mm]akefile >/dev/null 2>&1; then dflt=y case "$silent" in true) ;; *) $cat < makedepend.out &" It can take a while, so you might not want to run it right now. EOM ;; esac rp="Run make depend now?" . UU/myread case "$ans" in y*) make depend && echo "Now you must run a make." ;; *) echo "You must run 'make depend' then 'make'." ;; esac elif test -f [Mm]akefile; then echo " " echo "Now you must run a make." else echo "Done." fi $rm -f kit*isdone ark*isdone $rm -rf UU : End of Configure