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Hint about using Bash when configuring on AIX

	This patch updates the documentation to mention using Bash to
speed up configuring GCC.


        * doc/install.texi (*-ibm-aix*): Document use of Bash to speed up

Index: install.texi
RCS file: /cvs/gcc/gcc/gcc/doc/install.texi,v
retrieving revision 1.268
diff -c -p -r1.268 install.texi
*** install.texi	2 Mar 2004 15:16:47 -0000	1.268
--- install.texi	4 Mar 2004 04:47:46 -0000
*************** Support for AIX version 3 and older was 
*** 2875,2880 ****
--- 2875,2892 ----
  AIX Make frequently has problems with GCC makefiles.  GNU Make 3.79.1 or
  newer is recommended to build on this platform.
+ To speed up the configuration phases of bootstrapping and installing GCC,
+ one may use GNU Bash instead of AIX @command{/bin/sh}, e.g.,
+ @smallexample
+    % CONFIG_SHELL=/opt/freeware/bin/bash
+    % export CONFIG_SHELL
+ @end smallexample
+ and then proceed as described in @uref{build.html,,the build instructions},
+ where we strongly recommend using GNU make and specifying an absolute path
+ to invoke @var{srcdir}/configure.
  Errors involving @code{alloca} when building GCC generally are due
  to an incorrect definition of @code{CC} in the Makefile or mixing files
  compiled with the native C compiler and GCC@.  During the stage1 phase of

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