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Import M4 detection fix from Autoconf.

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Reported by Eric Blake.
* m4/m4.m4: Copy serial 10.
This commit is contained in:
Joel E. Denny
2009-12-15 19:11:42 -05:00
parent adf1725fdb
commit dfff662817
2 changed files with 8 additions and 2 deletions
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ChangeLog
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@@ -1,3 +1,9 @@
2009-12-15 Joel E. Denny <jdenny@clemson.edu>
Import M4 detection fix from Autoconf.
Reported by Eric Blake.
* m4/m4.m4: Copy serial 10.
2009-12-14 Joel E. Denny <jdenny@clemson.edu> 2009-12-14 Joel E. Denny <jdenny@clemson.edu>
Enable assertion output and --disable-assert for configure. Enable assertion output and --disable-assert for configure.

4
m4/m4.m4
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@@ -1,4 +1,4 @@
# m4.m4 serial 9 # m4.m4 serial 10
# Copyright (C) 2000, 2006, 2007, 2008, 2009 Free Software Foundation, # Copyright (C) 2000, 2006, 2007, 2008, 2009 Free Software Foundation,
# Inc. # Inc.
@@ -29,7 +29,7 @@ AC_PATH_PROGS_FEATURE_CHECK([M4], [m4 gm4 gnum4],
ac_snippet=change'quote(<,>)in''dir(<if''def>,mac,bug)' ac_snippet=change'quote(<,>)in''dir(<if''def>,mac,bug)'
ac_snippet=${ac_snippet}pat'subst(a,\(b\)\|\(a\),\1)d'nl ac_snippet=${ac_snippet}pat'subst(a,\(b\)\|\(a\),\1)d'nl
test -z "`$ac_path_M4 -F conftest.m4f </dev/null 2>&1`" \ test -z "`$ac_path_M4 -F conftest.m4f </dev/null 2>&1`" \
&& test -z "`echo $ac_snippet | $ac_path_M4 --trace=mac 2>&1`" \ && test -z "`AS_ECHO([$ac_snippet]) | $ac_path_M4 --trace=mac 2>&1`" \
&& test -f conftest.m4f \ && test -f conftest.m4f \
&& ac_cv_path_M4=$ac_path_M4 ac_path_M4_found=: && ac_cv_path_M4=$ac_path_M4 ac_path_M4_found=:
rm -f conftest.m4f], rm -f conftest.m4f],