support additional library locations via $Config{otherlibdirs}

(from Andy Dougherty)

p4raw-id: //depot/perl@6001

3 files changed, 27 insertions, 0 deletions

diff --git a/Porting/Glossary b/Porting/Glossary
index d60a168ca3..f5ac6da3fb 100644
--- a/Porting/Glossary
+++ b/Porting/Glossary
@@ -1052,6 +1052,11 @@ d_pause (d_pause.U):
 	indicates to the C program that the pause() routine is available
 	to suspend a process until a signal is received.
 
+d_perl_otherlibdirs (otherlibdirs.U):
+	This variable conditionally defines PERL_OTHERLIBDIRS, which
+	contains a colon-separated set of paths for the perl binary to
+	include in @INC.  See also otherlibdirs.
+
 d_phostname (d_gethname.U):
 	This variable conditionally defines the HAS_PHOSTNAME symbol, which
 	contains the shell command which, when fed to popen(), may be
@@ -2757,6 +2762,16 @@ osvers (Oldconfig.U):
 	same for this package, hints files might just be os_4.0 or
 	os_4.1, etc., not keeping separate files for each little release.
 
+otherlibdirs (otherlibdirs.U):
+	This variable contains a colon-separated set of paths for the perl
+	binary to search for additional library files or modules.
+	These directories will be tacked to the end of @INC.
+	Perl will automatically search below each path for version-
+	and architecture-specific directories.  See inc_version_list
+	for more details.
+	A value of ' ' means 'none' and is used to preserve this value
+	for the next run through Configure.
+
 package (package.U):
 	This variable contains the name of the package being constructed.
 	It is primarily intended for the use of later Configure units.
diff --git a/Porting/config.sh b/Porting/config.sh
index a658cc21e5..15d7893a06 100644
--- a/Porting/config.sh
+++ b/Porting/config.sh
@@ -253,6 +253,7 @@ d_oldsock='undef'
 d_open3='define'
 d_pathconf='define'
 d_pause='define'
+d_perl_otherlibdirs='undef'
 d_phostname='undef'
 d_pipe='define'
 d_poll='define'
@@ -611,6 +612,7 @@ optimize='-O'
 orderlib='false'
 osname='dec_osf'
 osvers='4.0'
+otherlibdirs=' '
 package='perl5'
 pager='/c/bin/less'
 passcat='cat /etc/passwd'
diff --git a/Porting/config_H b/Porting/config_H
index 130a613529..8657341118 100644
--- a/Porting/config_H
+++ b/Porting/config_H
@@ -2495,6 +2495,16 @@
  */
 #define INSTALL_USR_BIN_PERL	/**/
 
+/* PERL_OTHERLIBDIRS:
+ *	This variable contains a colon-separated set of paths for the perl
+ *	binary to search for additional library files or modules.
+ *	These directories will be tacked to the end of @INC.
+ *	Perl will automatically search below each path for version-
+ *	and architecture-specific directories.  See PERL_INC_VERSION_LIST
+ *	for more details.
+ */
+/*#define PERL_OTHERLIBDIRS " "		/ **/
+
 /* PERL_PRIfldbl:
  *	This symbol, if defined, contains the string used by stdio to
  *	format long doubles (format 'f') for output.