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Replace BISON_PROG_GNU_M4 with Autoconf's AC_PROG_GNU_M4.

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If the first m4 in $PATH is wrong, it keeps looking.  Moreover, its
requirements for a correct m4 are stricter.
* m4/m4.m4: Make it a symbolic link to submodules/autoconf/m4/m4.m4.
* configure.ac: Update to use AC_PROG_GNU_M4.
Reported by Eric Blake.
This commit is contained in:
Joel E. Denny
2009-04-04 20:58:46 -04:00
parent 1c93f35bfa
commit 62c99cf4ea
3 changed files with 13 additions and 33 deletions
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@@ -1,3 +1,12 @@
2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
Replace BISON_PROG_GNU_M4 with Autoconf's AC_PROG_GNU_M4.
If the first m4 in $PATH is wrong, it keeps looking. Moreover, its
requirements for a correct m4 are stricter.
* m4/m4.m4: Make it a symbolic link to submodules/autoconf/m4/m4.m4.
* configure.ac: Update to use AC_PROG_GNU_M4.
Reported by Eric Blake.
2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
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