# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
#
-# Generated on Sat May 25 22:51:20 EET DST 2002 [metaconfig 3.0 PL70]
+# Generated on Fri Jun 21 16:37:53 EET DST 2002 [metaconfig 3.0 PL70]
# (with additional metaconfig patches by perlbug@perl.org)
cat >c1$$ <<EOF
d_gmtime_r=''
gmtime_r_proto=''
d_gnulibc=''
+gnulibc_version=''
d_hasmntopt=''
d_htonl=''
d_inetaton=''
zzz=''
uuu=undef
case "$yyy" in
- *=*) zzz=`echo $yyy|sed 's!=.*!!'`
+ *=*) zzz=`echo "$yyy"|sed 's!=.*!!'`
case "$zzz" in
*:*) zzz='' ;;
*) xxx=append
- zzz=" "`echo $yyy|sed 's!^[^=]*=!!'`
- yyy=`echo $yyy|sed 's!=.*!!'` ;;
+ zzz=" "`echo "$yyy"|sed 's!^[^=]*=!!'`
+ yyy=`echo "$yyy"|sed 's!=.*!!'` ;;
esac
;;
esac
case "$xxx" in
'') case "$yyy" in
- *:*) xxx=`echo $yyy|sed 's!:.*!!'`
- yyy=`echo $yyy|sed 's!^[^:]*:!!'`
- zzz=`echo $yyy|sed 's!^[^=]*=!!'`
- yyy=`echo $yyy|sed 's!=.*!!'` ;;
- *) xxx=`echo $yyy|sed 's!:.*!!'`
- yyy=`echo $yyy|sed 's!^[^:]*:!!'` ;;
+ *:*) xxx=`echo "$yyy"|sed 's!:.*!!'`
+ yyy=`echo "$yyy"|sed 's!^[^:]*:!!'`
+ zzz=`echo "$yyy"|sed 's!^[^=]*=!!'`
+ yyy=`echo "$yyy"|sed 's!=.*!!'` ;;
+ *) xxx=`echo "$yyy"|sed 's!:.*!!'`
+ yyy=`echo "$yyy"|sed 's!^[^:]*:!!'` ;;
esac
;;
esac
*) eval "$var=$val";;
esac'
+case "$usesocks" in
+$define|true|[yY]*) dflt='y';;
+*) dflt='n';;
+esac
+cat <<EOM
+
+Perl can be built to use the SOCKS proxy protocol library. To do so,
+Configure must be run with -Dusesocks. If you use SOCKS you also need
+to use the PerlIO abstraction layer, this will be implicitly selected.
+
+If this doesn't make any sense to you, just accept the default '$dflt'.
+EOM
+rp='Build Perl for SOCKS?'
+. ./myread
+case "$ans" in
+y|Y) val="$define" ;;
+*) val="$undef" ;;
+esac
+set usesocks
+eval $setvar
+
+case "$usesocks" in
+$define|true|[yY]*) useperlio="$define";;
+esac
+
+case "$useperlio" in
+$define|true|[yY]*|'') dflt='y';;
+*) dflt='n';;
+esac
+cat <<EOM
+
+Previous version of $package used the standard IO mechanisms as
+defined in <stdio.h>. Versions 5.003_02 and later of $package allow
+alternate IO mechanisms via the PerlIO abstraction layer, but the
+stdio mechanism is still available if needed. The abstraction layer
+can use AT&T's sfio (if you already have sfio installed) or regular stdio.
+Using PerlIO with sfio may cause problems with some extension modules.
+
+If this doesn't make any sense to you, just accept the default '$dflt'.
+EOM
+rp='Use the PerlIO abstraction layer?'
+. ./myread
+case "$ans" in
+y|Y)
+ val="$define"
+ ;;
+*)
+ echo "Ok, doing things the stdio way."
+ val="$undef"
+ ;;
+esac
+set useperlio
+eval $setvar
+
+case "$usesocks" in
+$define|true|[yY]*)
+ case "$useperlio" in
+ $define|true|[yY]*) ;;
+ *) cat >&4 <<EOM
+
+You are using the SOCKS proxy protocol library which means that you
+should also use the PerlIO layer. You may be headed for trouble.
+
+EOM
+ ;;
+ esac
+ ;;
+esac
+
+
case "$usethreads" in
$define|true|[yY]*) dflt='y';;
*) # Catch case where user specified ithreads or 5005threads but
# forgot -Dusethreads (A.D. 4/2002)
case "$useithreads$use5005threads" in
- *$define*) dflt='y' ;;
- *) dflt='n';;
+ *$define*)
+ case "$useperlio" in
+ "$define") dflt='y' ;;
+ *) dflt='n' ;;
+ esac
+ ;;
+ *) dflt='n';;
esac
;;
esac
;;
esac
+if test X"$usethreads" = "X$define" -a "X$useperlio" = "Xundef"; then
+ cat >&4 <<EOF
+***
+*** To build with ithreads you must also use the PerlIO layer.
+*** Cannot continue, aborting.
+***
+EOF
+ exit 1
+fi
+
case "$d_oldpthreads" in
'') : Configure tests would be welcome here. For now, assume undef.
val="$undef" ;;
'') ccname="$cc" ;;
esac
+# gcc 3.1 complains about adding -Idirectories that it already knows about,
+# so we will take those off from locincpth.
+case "$gccversion" in
+3*)
+ echo "main(){}">try.c
+ for incdir in `$cc -v -c try.c 2>&1 | \
+ sed '1,/^#include <\.\.\.>/d;/^End of search list/,$d;s/^ //'` ; do
+ locincpth=`echo $locincpth | sed s!$incdir!!`
+ done
+ $rm -f try try.*
+esac
: decide how portable to be. Allow command line overrides.
case "$d_portable" in
'') firstmakefile='makefile';;
esac
-case "$usesocks" in
-$define|true|[yY]*) dflt='y';;
-*) dflt='n';;
-esac
-cat <<EOM
-
-Perl can be built to use the SOCKS proxy protocol library. To do so,
-Configure must be run with -Dusesocks. If you use SOCKS you also need
-to use the PerlIO abstraction layer, this will be implicitly selected.
-
-If this doesn't make any sense to you, just accept the default '$dflt'.
-EOM
-rp='Build Perl for SOCKS?'
-. ./myread
-case "$ans" in
-y|Y) val="$define" ;;
-*) val="$undef" ;;
-esac
-set usesocks
-eval $setvar
-
-case "$usesocks" in
-$define|true|[yY]*) useperlio="$define";;
-esac
-
: Looking for optional libraries
echo " "
echo "Checking for optional libraries..." >&4
echo " "
echo "Checking for GNU C Library..." >&4
-cat >try.c <<EOM
+cat >try.c <<'EOCP'
+/* Find out version of GNU C library. __GLIBC__ and __GLIBC_MINOR__
+ alone are insufficient to distinguish different versions, such as
+ 2.0.6 and 2.0.7. The function gnu_get_libc_version() appeared in
+ libc version 2.1.0. A. Dougherty, June 3, 2002.
+*/
#include <stdio.h>
-int main()
+int main(void)
{
#ifdef __GLIBC__
- exit(0);
+# ifdef __GLIBC_MINOR__
+# if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
+# include <gnu/libc-version.h>
+ printf("%s\n", gnu_get_libc_version());
+# else
+ printf("%d.%d\n", __GLIBC__, __GLIBC_MINOR__);
+# endif
+# else
+ printf("%d\n", __GLIBC__);
+# endif
+ return 0;
#else
- exit(1);
+ return 1;
#endif
}
-EOM
+EOCP
set try
-if eval $compile_ok && $run ./try; then
+if eval $compile_ok && $run ./try > glibc.ver; then
val="$define"
- echo "You are using the GNU C Library"
+ gnulibc_version=`$cat glibc.ver`
+ echo "You are using the GNU C Library version $gnulibc_version"
else
val="$undef"
+ gnulibc_version=''
echo "You are not using the GNU C Library"
fi
-$rm -f try try.*
+$rm -f try try.* glibc.ver
set d_gnulibc
eval $setvar
uselongdouble=$undef
fi
-case "$useperlio" in
-$define|true|[yY]*|'') dflt='y';;
-*) dflt='n';;
-esac
-cat <<EOM
-
-Previous version of $package used the standard IO mechanisms as
-defined in <stdio.h>. Versions 5.003_02 and later of $package allow
-alternate IO mechanisms via the PerlIO abstraction layer, but the
-stdio mechanism is still available if needed. The abstraction layer
-can use AT&T's sfio (if you already have sfio installed) or regular stdio.
-Using PerlIO with sfio may cause problems with some extension modules.
-
-If this doesn't make any sense to you, just accept the default '$dflt'.
-EOM
-rp='Use the PerlIO abstraction layer?'
-. ./myread
-case "$ans" in
-y|Y)
- val="$define"
- ;;
-*)
- echo "Ok, doing things the stdio way."
- val="$undef"
- ;;
-esac
-set useperlio
-eval $setvar
-
-case "$usesocks" in
-$define|true|[yY]*)
- case "$useperlio" in
- $define|true|[yY]*) ;;
- *) cat >&4 <<EOM
-
-You are using the SOCKS proxy protocol library which means that you
-should also use the PerlIO layer. You may be headed for trouble.
-
-EOM
- ;;
- esac
- ;;
-esac
-
-
: determine the architecture name
echo " "
if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
case "$dflt" in
5.005) dflt=none ;;
esac
-$cat <<'EOM'
+$cat <<EOM
In order to ease the process of upgrading, this version of perl
can be configured to use modules built and installed with earlier
echo "Your stdio doesn't appear very std."
fi
$rm -f try.c try
+
+# glibc 2.2.90 and above apparently change stdio streams so Perl's
+# direct buffer manipulation no longer works. The Configure tests
+# should be changed to correctly detect this, but until then,
+# the following check should at least let perl compile and run.
+# (This quick fix should be updated before 5.8.1.)
+# To be defensive, reject all unknown versions, and all versions > 2.2.9.
+# A. Dougherty, June 3, 2002.
+case "$d_gnulibc" in
+$define)
+ case "$gnulibc_version" in
+ 2.[01]*) ;;
+ 2.2) ;;
+ 2.2.[0-9]) ;;
+ *) echo "But I will not snoop inside glibc $gnulibc_version stdio buffers."
+ val="$undef"
+ ;;
+ esac
+ ;;
+esac
set d_stdstdio
eval $setvar
esac
esac
;;
+ XS/APItest|xs/apitest)
+ # This is just for testing. Skip it unless we have dynamic loading.
+
+ case "$usedl" in
+ $define) avail_ext="$avail_ext $xxx" ;;
+ esac
+ ;;
+ XS/Typemap|xs/typemap)
+ # This is just for testing. Skip it unless we have dynamic loading.
+ case "$usedl" in
+ $define) avail_ext="$avail_ext $xxx" ;;
+ esac
+ ;;
threads|threads/shared)
# threads and threads::shared are special cases.
# To stop people from asking "Perl 5.8.0 was supposed
glibpth='$glibpth'
gmake='$gmake'
gmtime_r_proto='$gmtime_r_proto'
+gnulibc_version='$gnulibc_version'
grep='$grep'
groupcat='$groupcat'
groupstype='$groupstype'
projects / p5sagit/p5-mst-13.2.git / blobdiff