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Only look for bison as YACC; other yaccs need to be selected explicitly.

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When no suitable YACC is configured, supply useful informational messages
to users.  (Same way flex has been handled for a while.)
This commit is contained in:
Peter Eisentraut
2001-02-10 22:31:42 +00:00
parent 20edc4afd2
commit 2660803697
10 changed files with 388 additions and 347 deletions
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14
config/missing
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@ -5,16 +5,16 @@
# behavior when certain utility programs are missing.
case $1 in
flex)
# `missing flex <input> <output>'
flex|bison)
# `missing flex|bison <input> <output>'
input=$2
output=$3
if test -f "$output"; then
echo "\
***
WARNING: \`flex' is missing on your system. You should only need it
WARNING: \`$1' is missing on your system. You should only need it
if you changed the file \`$input'; these changes will not take effect.
You can get flex from a GNU mirror site.
You can get $1 from a GNU mirror site.
***"
echo "touch $output"
touch "$output"
@ -22,10 +22,10 @@ You can get flex from a GNU mirror site.
else # ! test -f $output
echo "\
***
ERROR: \`flex' is missing on your system. It is needed to create the
file \`$output'. You can either get flex from a GNU mirror site
ERROR: \`$1' is missing on your system. It is needed to create the
file \`$output'. You can either get $1 from a GNU mirror site
or download an official distribution of PostgreSQL, which contains
pre-packaged flex output.
pre-packaged $1 output.
***"
exit 1
fi