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* acspecific.m4 (_AC_PROG_ECHO): Modernize.

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Akim Demaille 2000-07-10 10:55:48 +00:00
parent 63672a92bd
commit c0e9f9300b
3 changed files with 20 additions and 24 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2000-07-10 Akim Demaille <akim@epita.fr>
* acspecific.m4 (_AC_PROG_ECHO): Modernize.
2000-07-10 Akim Demaille <akim@epita.fr>
Stop being ridiculous :*(

20
acspecific.m4
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@ -62,19 +62,15 @@
# Don't try to cache, since the results of this macro are needed to
# display the checking message. In addition, caching something used once
# has little interest.
# Idea borrowed from dist 3.0.
# Idea borrowed from dist 3.0. Use `*c*,', not `*c,' because if `\c'
# failed there is also a new-line to match.
define([_AC_PROG_ECHO],
[if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
# Stardent Vistra SVR4 grep lacks -e, says Kaveh R. Ghazi.
if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
ECHO_N= ECHO_C='
' ECHO_T=' '
else
ECHO_N=-n ECHO_C= ECHO_T=
fi
else
ECHO_N= ECHO_C='\c' ECHO_T=
fi
[case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
*c*,-n*) ECHO_N= ECHO_C='
' ECHO_T=' ' ;;
*c*,* ) ECHO_N=-n ECHO_C= ECHO_T= ;;
*) ECHO_N= ECHO_C='\c' ECHO_T= ;;
esac
AC_SUBST(ECHO_C)dnl
AC_SUBST(ECHO_N)dnl
AC_SUBST(ECHO_T)dnl

20
lib/autoconf/specific.m4
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@ -62,19 +62,15 @@
# Don't try to cache, since the results of this macro are needed to
# display the checking message. In addition, caching something used once
# has little interest.
# Idea borrowed from dist 3.0.
# Idea borrowed from dist 3.0. Use `*c*,', not `*c,' because if `\c'
# failed there is also a new-line to match.
define([_AC_PROG_ECHO],
[if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
# Stardent Vistra SVR4 grep lacks -e, says Kaveh R. Ghazi.
if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
ECHO_N= ECHO_C='
' ECHO_T=' '
else
ECHO_N=-n ECHO_C= ECHO_T=
fi
else
ECHO_N= ECHO_C='\c' ECHO_T=
fi
[case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
*c*,-n*) ECHO_N= ECHO_C='
' ECHO_T=' ' ;;
*c*,* ) ECHO_N=-n ECHO_C= ECHO_T= ;;
*) ECHO_N= ECHO_C='\c' ECHO_T= ;;
esac
AC_SUBST(ECHO_C)dnl
AC_SUBST(ECHO_N)dnl
AC_SUBST(ECHO_T)dnl