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* lib/m4sugar/m4sh.m4 (AS_SHELL_SANITIZE): Fix bugs spotted by

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Raja R Harinath:
Be sure to detect when $LINENO always returns the same value.
Look for the original script, basename($0) is certainly not
enough.
Pass the CLI arguments to `$as_me.lineno'.
This commit is contained in:
Akim Demaille 2001-09-27 08:27:55 +00:00
parent 26edb742fa
commit fa75ee4b94
2 changed files with 28 additions and 8 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2001-09-27 Akim Demaille <akim@epita.fr>
* lib/m4sugar/m4sh.m4 (AS_SHELL_SANITIZE): Fix bugs spotted by
Raja R Harinath:
Be sure to detect when $LINENO always returns the same value.
Look for the original script, basename($0) is certainly not
enough.
Pass the CLI arguments to `$as_me.lineno'.
2001-09-25 Akim Demaille <akim@epita.fr>
* lib/autotest/general.m4 (AT_INIT): Dump the whole config.log.

27
lib/m4sugar/m4sh.m4
View File

@ -120,15 +120,26 @@ as_me=`AS_BASENAME($[0])`
# configure. Hence a useless rewrite (not to mention the risk of
# ``infinite'' rewrites. Merely check that LINENO is incremented
# between two lines, which is a property guaranteed for _oline_, hence
# it protects us from repetitive rewrites.
# it protects us from repetitive rewrites. Be sure to have a test
# that does detect non LINENO support...
as_lineno_1=$LINENO
as_lineno_2=$LINENO
# Compute as_lineno_1 in two steps: some shells restart LINENO for
# subshells.
as_lineno_1=`(expr $as_lineno_1 + 1) 2>/dev/null`
if test "x$as_lineno_1" != "x$as_lineno_2"; then
as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
if test "x$as_lineno_1" = "x$as_lineno_2" ||
test "x$as_lineno_3" != "x$as_lineno_2";
then
# Find who we are.
case $[0] in
*[[\\/]]* | ?:[[\\/]]* ) as_myself=$[0] ;;
*) _AS_PATH_WALK([],
[test -r "$as_dir/$[0]" && as_myself=$as_dir/$[0] && break])
;;
esac
if test ! -f $as_myself; then
AS_ERROR([cannot find myself; rerun with an absolute path])
fi
if test ! -f $as_me.lineno ||
test x`ls -1dt $as_me.lineno $as_me 2>/dev/null | sed 1q` \
test x`ls -1dt $as_me.lineno $as_myself 2>/dev/null | sed 1q` \
!= x$as_me.lineno; then
# Be sure to write the pattern so that it doesn't replace itself:
# it must not match itself.
@ -137,10 +148,10 @@ if test "x$as_lineno_1" != "x$as_lineno_2"; then
while (sub (/[[$]]LINENO/, NR))
continue
print
}' <$as_me >$as_me.lineno
}' <$as_myself >$as_me.lineno
chmod +x $as_me.lineno
fi
exec ${SHELL-/bin/sh} ./$as_me.lineno
exec ${SHELL-/bin/sh} ./$as_me.lineno ${1+"$[@]"}
fi
_AS_CR_PREPARE