(CC,CFLAGS,LIBS): Add commented command variants for bootstrapping gcc-cpp and gcc...

(CC,CFLAGS,LIBS): Add commented command
variants for bootstrapping gcc-cpp and gcc-cc1 with VAXC.
(alloca): Build alloca.obj from alloca.c if LIBS needs it.

From-SVN: r1923

diff --git a/gcc/make-cccp.com b/gcc/make-cccp.com
index d0bfd81..c455b3a 100644 (file)
--- a/gcc/make-cccp.com
+++ b/gcc/make-cccp.com
@@ -4,18 +4,23 @@ $set default 'f$parse(flnm,,,"DEVICE")''f$parse(flnm,,,"DIRECTORY")'
 $!
 $!     Build the GNU "C" pre-processor on VMS
 $!
+$!  Note:  to build with DEC's VAX C compiler, uncomment the 2nd CC, CFLAGS,
+$!        and LIBS alternatives, and also execute the following command:
+$!     DEFINE SYS SYS$LIBRARY:
 $
 $!
 $!     C compiler
 $!
 $ CC   :=      gcc
+$! CC  :=      cc      !uncomment for VAXC
 $ BISON        :=      bison
 $ RENAME :=    rename
 $ LINK :=      link
 $!
 $!     Compiler options
 $!
-$ CFLAGS =     "/debug/inc=([],[.config])"
+$ CFLAGS =     "/debug/incl=([],[.config])"
+$! CFLAGS =    "/noopt/incl=([],[.config])"    !uncomment for VAXC
 $!
 $!     Link options
 $!
@@ -23,7 +28,9 @@ $ LDFLAGS :=  /nomap
 $!
 $!     Link libraries
 $!
-$ LIBS :=      gnu_cc:[000000]gcclib/libr,sys$share:vaxcrtl/libr
+$ LIBS :=      gnu_cc:[000000]gcclib.olb/libr,sys$library:vaxcrtl.olb/libr
+$! LIBS :=     alloca.obj,sys$library:vaxcrtl.olb/libr !uncomment for VAXC
+$
 $ if "''p1'" .eqs. "LINK" then goto Link
 $ 'CC 'CFLAGS cccp.c
 $ t1:='f$search("CEXP.C")'
@@ -38,14 +45,14 @@ $ bison cexp.y
 $ rename cexp_tab.c cexp.c
 $ 20$:
 $!
+$ if f$locate("alloca.obj",f$edit(LIBS,"lowercase")).lt.f$length(LIBS) then -
+  'CC 'CFLAGS /define="STACK_DIRECTION=(-1)" alloca.c
+$!
 $ 'CC 'CFLAGS cexp.c
 $ 'CC 'CFLAGS version.c
 $ Link:
 $ link 'LDFLAGS /exe=gcc-cpp cccp,cexp,version,version.opt/opt,'LIBS'
 $!
-$! CAUTION: If you want to link gcc-cpp to the sharable image library
-$! VAXCRTL, see the notes in gcc.texinfo (or INSTALL) first.
-$!
 $!     Done
 $!
 $ exit