FYI: AC_STATE_SAVE

[Akim Demaille]

Some people send logs which contain very weird stuff, e.g.:

 ./syntax.at:27: cat state-env.after
 --- expout      Fri Dec  8 14:05:17 2000
 +++ stdout      Fri Dec  8 14:05:28 2000
 @@ -42,6 +42,8 @@
  USER=epeisach
  XPLOR=/usr/progs/Xplor3.8.1
  _XPG=0
 +/usr/lib32/cmplrs/mfef77 -G8 -TARG:t5_ll_sc_bug=on -Dmips -DMIPSEB -D_MIPSEB 
-TENV:PIC -D_PIC -D__DSO__ -D_LANGUAGE_FORTRAN -DLANGUAGE_FORTRAN 
-D_LANGUAGE_FORTRAN77 -DLANGUAGE_FORTRAN77 -Dunix -Dsgi -Dhost_mips 
-D_SGI_SOURCE -D_LONGLONG -D_SVR4_SOURCE -D__sgi -D__host_mips -Amachine(mips) 
-D_SYSTYPE_SVR4 -D__unix -Asystem(unix) -D_COMPILER_VERSION=730 -m1 -g2 -O0 
-show -D__mips=4 -D_MIPS_ISA=4 -D_ABIN32=2 -D_MIPS_SIM=_ABIN32 -D_MIPS_FPSET=32 
-D_MIPS_SZINT=32 -D_MIPS_SZLONG=32 -D_MIPS_SZPTR=32 -D_SIZE_INT= 32 
-D_SIZE_LONG=32 -D_SIZE_PTR=32 -TARG:abi=n32:isa=mips4 -TARG:proc=r10000 
-I/usr/include -include=/usr/include -FE:cmdline=/tmp/ctmL.AAAa0BPzb 
-fB,/tmp/ctmB.BAAa0BPzb -TENV:io_library=mips conftest.f 
 +/usr/lib32/cmplrs/be -PHASE:c -G8 -TARG:t5_ll_sc_bug=on -TENV:PIC -m1 -g2 -O0 
-show -TARG:abi=n32:isa=mips4 -TARG:proc=r10000 -LANG:=f77 
-TENV:io_library=mips -fB,/tmp/ctmB.BAAa0BPzb -fo,conftest.o conftest.f 
  as_expr=expr
  as_me=configure
  as_unset=unset

I suppose that these are coming from an Autoconf var, e.g., ac_link or
whatever.  Still, the result is that it pollutes the tests.  I'm
applying this:

Index: ChangeLog
from  Akim Demaille  <address@hidden>

        * tests/aclocal.m4 (AC_STATE_SAVE): Use a more precise regexp to
        keep envvars.

Index: tests/aclocal.m4
===================================================================
RCS file: /cvs/autoconf/tests/aclocal.m4,v
retrieving revision 1.10
diff -u -u -r1.10 aclocal.m4
--- tests/aclocal.m4 2000/12/06 15:14:16 1.10
+++ tests/aclocal.m4 2000/12/12 09:38:20
@@ -44,7 +44,7 @@
       [^(_|@|.[*#?].|LINENO|OLDPWD|PIPESTATUS|RANDOM|SECONDS)=])' 2>/dev/null |
   # There maybe variables spread on several lines, eg IFS, remove the dead
   # lines.
-  fgrep = >state-env.$1
+  grep '^m4_defn([m4_re_word])=' >state-env.$1
 test $? = 0 || rm -f state-env.$1
 
 ls -1 | grep -v '^state' | sort >state-ls.$1