60 lines
2.2 KiB
Diff
60 lines
2.2 KiB
Diff
The check for solaris 'print' causes significant problems on a linux machine
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with dash as /bin/sh since it triggers the execution of "print" which on some
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linux systems is a perl script which is part of mailcap. Worse, this perl
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script calls "which file" and if successful ignores the path file was found
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in and just runs "file" without a path. Each exection causes PATH to be searched.
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Simply assuming the shell's printf function works cuts out all the fork overhead
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and when parallel tasks are running, this overhead appears to be significant.
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RP
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2015/11/28
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Upstream-Status: Inappropriate
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Index: autoconf-2.69/lib/m4sugar/m4sh.m4
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===================================================================
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--- autoconf-2.69.orig/lib/m4sugar/m4sh.m4
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+++ autoconf-2.69/lib/m4sugar/m4sh.m4
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@@ -1045,40 +1045,8 @@ m4_defun([_AS_ECHO_PREPARE],
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[[as_nl='
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'
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export as_nl
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-# Printing a long string crashes Solaris 7 /usr/bin/printf.
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-as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
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-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
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-as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
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-# Prefer a ksh shell builtin over an external printf program on Solaris,
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-# but without wasting forks for bash or zsh.
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-if test -z "$BASH_VERSION$ZSH_VERSION" \
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- && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
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- as_echo='print -r --'
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- as_echo_n='print -rn --'
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-elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
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- as_echo='printf %s\n'
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- as_echo_n='printf %s'
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-else
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- if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then
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- as_echo_body='eval /usr/ucb/echo -n "$][1$as_nl"'
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- as_echo_n='/usr/ucb/echo -n'
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- else
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- as_echo_body='eval expr "X$][1" : "X\\(.*\\)"'
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- as_echo_n_body='eval
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- arg=$][1;
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- case $arg in @%:@(
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- *"$as_nl"*)
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- expr "X$arg" : "X\\(.*\\)$as_nl";
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- arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
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- esac;
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- expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl"
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- '
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- export as_echo_n_body
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- as_echo_n='sh -c $as_echo_n_body as_echo'
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- fi
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- export as_echo_body
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- as_echo='sh -c $as_echo_body as_echo'
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-fi
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+as_echo='printf %s\n'
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+as_echo_n='printf %s'
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]])# _AS_ECHO_PREPARE
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