Well, I finally solved the linking problem

that kept me from making perl secure.

Attached is uuencoded tarball to add PL/perl
to postgresql.

Things I know don't work.
-- triggers
-- SPI


The README file has a _VERY_ short tutorial.

Mark Hollomon

src/pl/plperl/Makefile.pl

+use DynaLoader;
+use Config;
+use ExtUtils::Embed;
+
+#
+# massage the ld options
+#
+my $ldopts = ldopts();
+chomp($ldopts);
+
+#
+# get the location of the Opcode module
+#
+my $opcode = '';
+{
+
+	$modname = 'Opcode';
+
+	my $dir;
+	foreach (@INC) {
+		if (-d "$_/auto/$modname") {
+			$dir = "$_/auto/$modname";
+			last;
+		}
+	}
+
+	if (defined $dir) {
+		$opcode = DynaLoader::dl_findfile("-L$dir", $modname);
+	}
+
+}
+
+open(MAKEFILE, ">Makefile");
+
+print MAKEFILE <<_STATIC_;
+#-------------------------------------------------------------------------
+#
+# Makefile
+#    Makefile for the plperl shared object
+#
+# AUTOGENERATED Makefile.pl
+#
+
+#
+# Tell make where the postgresql sources live
+#
+SRCDIR= ../../../src
+include \$(SRCDIR)/Makefile.global
+
+
+# use the same compiler as perl did
+CC= $Config{cc}
+
+# get the compiler options that perl wants.
+CFLAGS+= @{[ccopts()]}
+# including the ones for dynamic loading
+CFLAGS+= $Config{cccdlflags}
+
+# add the includes for postgreSQL
+CFLAGS+= -I\$(LIBPQDIR) -I\$(SRCDIR)/include
+
+# For fmgr.h
+CFLAGS+= -I\$(SRCDIR)/backend
+
+
+# add the postgreSQL libraries
+LDADD+= -L\$(LIBPQDIR) -lpq
+
+LDFLAGS+= $Config{lddlflags} \\
+	$ldopts \\
+	-lperl
+
+#
+# DLOBJS is the dynamically-loaded object file.
+#
+DLOBJS= plperl\$(DLSUFFIX)
+
+INFILES= \$(DLOBJS) 
+
+SHLIB_EXTRA_LIBS+= $opcode
+
+#
+# plus exports files
+#
+ifdef EXPSUFF
+INFILES+= \$(DLOBJS:.o=\$(EXPSUFF))
+endif
+
+%.so: %.o
+	\$(CC) -o \$@ \$< \$(LDFLAGS) \$(SHLIB_EXTRA_LIBS) \$(LDADD)
+
+
+#
+# Build the shared lib
+#
+plperl : plperl.lo
+	libtool \$(CC) -o plperl.so plperl.lo \$(SHLIB_EXTRA_LIBS) \$(LDADD) \$(LDFLAGS)
+
+%.lo : %.c
+	libtool \$(CC) -c \$(CFLAGS) \$<
+
+
+#
+# Clean 
+#
+clean:
+	rm -f \$(INFILES) *.o *.lo
+	rm -rf .libs
+	rm -f Makefile
+
+dep depend:
+
+_STATIC_

src/pl/plperl/README

+>perl Makefile.pl
+>make
+
+copy the resulting library somewhere that
+the postgresql backend can see it. assume
+that path is /usr/local/pgsql/modules/plperl.so
+
+CREATE FUNCTION plperl_call_handler() RETURNS opaque
+AS '/usr/local/pgsql/modules/plperl.so' LANGUAGE 'C';
+
+CREATE TRUSTED PROCEDURAL LANGUAGE 'plperl'
+HANDLER plperl_call_handler
+LANCOMPILER 'PL/Perl';
+
+-- here is simple example
+CREATE FUNCTION addints(int4, int4) RETURNS int4 AS '
+return $_[0] + $_[1]
+' LANGUAGE 'plperl';
+
+SELECT addints(3,4);
+
+-- of course, you can pass tuples;
+CREATE TABLE twoints ( a integer, b integer);
+CREATE FUNCTION addtwoints(twoints) RETURNS integer AS '
+$tup = shift;
+return $tup->{"a"} + $tup->{"b"};
+' LANGUAGE 'plperl';
+
+SELECT addtwoints(twoints) from twoints;
+
+-- here is one that will fail. Creating the function
+-- will work, but using it will fail.
+CREATE FUNCTION badfunc() RETURNS int4 AS '
+open(TEMP, ">/tmp/badfile");
+print TEMP "Gotcha!\n";
+return 1;
+' LANGUAGE 'plperl';
+
+SELECT badfunc();
+
+