--- gforth/libcc.fs	2008/07/10 16:18:41	1.40
+++ gforth/libcc.fs	2008/10/06 21:21:20	1.56
@@ -1,6 +1,6 @@
 \ libcc.fs	foreign function interface implemented using a C compiler
 
-\ Copyright (C) 2006,2007 Free Software Foundation, Inc.
+\ Copyright (C) 2006,2007,2008 Free Software Foundation, Inc.
 
 \ This file is part of Gforth.
 
@@ -135,9 +135,8 @@
 \ : delete-file 2drop 0 ;
 
 require struct.fs
+require mkdir.fs
 
-    \ counted-string
-    
 \ c-function-ft word body:
 struct
     cell% field cff-cfr \ xt of c-function-rt word
@@ -158,8 +157,11 @@ variable lib-handle-addr \ points to the
   here 0 , lib-handle-addr ! \ just make sure LIB-HANDLE always works
 2variable lib-filename   \ filename without extension
 2variable lib-modulename \ basename of the file without extension
+2variable libcc-named-dir-v \ directory for named libcc wrapper libraries
+0 value libcc-path       \ pointer to path of library directories
 
-: delete-file 2drop 0 ;
+defer replace-rpath ( c-addr1 u1 -- c-addr2 u2 )
+' noop is replace-rpath
 
 : .nb ( n -- )
     0 .r ;
@@ -225,7 +227,7 @@ end-struct c-lib%
 
 variable c-libs \ linked list of library names (without "lib")
 
-: add-lib ( c-addr u -- )
+: add-lib ( c-addr u -- ) \ gforth
 \G Add library lib@i{string} to the list of libraries, where
 \G @i{string} is represented by @i{c-addr u}.
     c-lib% %size allocate throw dup >r
@@ -430,7 +432,7 @@ create gen-wrapped-types
     dup { descriptor }
     count { ret } count 2dup { d: pars } chars + count { d: c-name }
     ." void " lib-modulename 2@ type ." _LTX_" descriptor wrapper-function-name 2dup type drop free throw
-    .\" (void)\n"
+    .\" (GFORTH_ARGS)\n"
     .\" {\n  Cell MAYBE_UNUSED *sp = gforth_SP;\n  Float MAYBE_UNUSED *fp = gforth_FP;\n  "
     pars c-name 2over count-stacks ret gen-wrapped-stmt .\" ;\n"
     ?dup-if
@@ -441,12 +443,6 @@ create gen-wrapped-types
     endif
     .\" }\n" ;
 
-: open-wrappers ( -- addr )
-    lib-filename 2@ s" .la" s+
-    \ 2dup cr type
-    2dup open-lib >r
-    drop free throw r> ;
-
 : scan-back { c-addr u1 c -- c-addr u2 }
     \ the last occurence of c in c-addr u1 is at u2-1; if it does not
     \ occur, u2=0.
@@ -469,17 +465,27 @@ create gen-wrapped-types
     0 <<# ['] #s $10 base-execute #> 
     s" gforth_c_" 2swap s+ #>> ;
 
-: home-dir ( -- c-addr u )
-    s" HOME" getenv ;
-
 : libcc-named-dir ( -- c-addr u )
-    home-dir s" /.gforth/libcc-named/" s+ ;
+    libcc-named-dir-v 2@ ;
 
 : libcc-tmp-dir ( -- c-addr u )
-    home-dir s" /.gforth/libcc-tmp/" s+ ;
+    s" ~/.gforth/libcc-tmp/" ;
 
 : prepend-dirname ( c-addr1 u1 c-addr2 u2 -- c-addr3 u3 )
-    2over append 2swap drop free throw ;
+    2over s+ 2swap drop free throw ;
+
+: open-wrappers ( -- addr|0 )
+    lib-filename 2@ s" .la" s+
+    2dup libcc-named-dir string-prefix? if ( c-addr u )
+	\ see if we can open it in the path
+	libcc-named-dir nip /string
+	libcc-path open-path-file if
+	    0 exit endif
+	( wfile-id c-addr2 u2 ) rot close-file throw save-mem ( c-addr2 u2 )
+    endif
+    \ 2dup cr type
+    2dup open-lib >r
+    drop free throw r> ;
 
 : c-library-name-setup ( c-addr u -- )
     assert( c-source-file-id @ 0= )
@@ -500,13 +506,15 @@ create gen-wrapped-types
     open-wrappers dup if
 	lib-handle-addr @ !
     else
+        libcc-named-dir $1ff mkdir-parents drop
 	drop c-library-name-create
     endif ;
 
 : c-tmp-library-name ( c-addr u -- )
     \ set up filenames for a new library; c-addr u is the basename of
     \ the library
-    libcc-tmp-dir prepend-dirname c-library-name-setup c-library-name-create ;
+    libcc-tmp-dir 2dup $1ff mkdir-parents drop
+    prepend-dirname c-library-name-setup c-library-name-create ;
 
 : lib-handle ( -- addr )
     lib-handle-addr @ @ ;
@@ -548,14 +556,16 @@ DEFER compile-wrapper-function ( -- )
     lib-handle 0= if
 	c-source-file close-file throw
 	0 c-source-file-id !
-	[ libtool-command s"  --silent --mode=compile gcc -I " s+
-	s" includedir" getenv append ] sliteral
+	[ libtool-command s"  --silent --mode=compile --tag=CC " s+
+	  libtool-cc append s"  -I " append
+	  s" includedir" getenv append ] sliteral
 	s"  -O -c " s+ lib-filename 2@ append s" .c -o " append
 	lib-filename 2@ append s" .lo" append ( c-addr u )
-	\    cr 2dup type
+	\    2dup type cr
 	2dup system drop free throw $? abort" libtool compile failed"
-	[ libtool-command s"  --silent --mode=link gcc -module -rpath " s+ ] sliteral
-	lib-filename 2@ dirname s+ s"  " append
+	[ libtool-command s"  --silent --mode=link --tag=CC " s+
+	  libtool-cc append libtool-flags append s"  -module -rpath " s+ ] sliteral
+	lib-filename 2@ dirname replace-rpath s+ s"  " append
 	lib-filename 2@ append s" .lo -o " append
 	lib-filename 2@ append s" .la" append ( c-addr u )
 	c-libs @ ['] append-l list-map
@@ -607,7 +617,7 @@ DEFER compile-wrapper-function ( -- )
     defer lastxt dup c-function-rt lastxt c-function-ft
     lastxt swap defer! ;
 
-: clear-libs ( -- )
+: clear-libs ( -- ) \ gforth
 \G Clear the list of libs
     c-source-file-id @ if
 	compile-wrapper-function
@@ -632,3 +642,19 @@ clear-libs
 \G Finish and (if necessary) build the latest C library interface.
     ['] compile-wrapper-function1 is compile-wrapper-function
     compile-wrapper-function1 ;
+
+: init-libcc ( -- )
+    s" ~/.gforth/libcc-named/" libcc-named-dir-v 2!
+[IFDEF] make-path
+    make-path to libcc-path
+    libcc-named-dir libcc-path also-path
+    [ s" libccdir" getenv ] sliteral libcc-path also-path
+[THEN]
+;
+
+init-libcc
+
+:noname ( -- )
+    defers 'cold
+    init-libcc ;
+is 'cold