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Fix autoconf substitution and evaluation of a string inside single quotes

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so that if the substitution contains single-quotes, the program will fail.
This commit is contained in:
Chad MILLER 2008-10-06 11:35:21 -04:00
parent 7e59ecb110
commit 5cee4d7cf6
1 changed files with 10 additions and 9 deletions
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19
configure.in
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@ -507,40 +507,41 @@ AC_SUBST(ICHECK)
# Look for PS usage. We use double dollar-signs in FIND_PROC because this
# value is written to a makefile, which interprets away one level of
# dollar-signs. So, interpretation stages are m4 and then shell in autoconf,
# then Make, then shell.
# then Make, then shell. The autoconf substitution uses single quotes, so
# no unprotected single quotes should appear in the expression.
AC_PATH_PROG(PS, ps, ps)
AC_MSG_CHECKING("how to check if pid exists")
PS=$ac_cv_path_PS
# Linux style
if $PS wwwp $$ 2> /dev/null | grep -- "$0" > /dev/null
then
FIND_PROC="$PS wwwp \$\$PID | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"
FIND_PROC="$PS wwwp \$\$PID | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"
# Solaris
elif $PS -fp $$ 2> /dev/null | grep -- $0 > /dev/null
then
FIND_PROC="$PS -p \$\$PID | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"
FIND_PROC="$PS -p \$\$PID | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"
# BSD style
elif $PS -uaxww 2> /dev/null | grep -- $0 > /dev/null
then
FIND_PROC="$PS -uaxww | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"
FIND_PROC="$PS -uaxww | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"
# SysV style
elif $PS -ef 2> /dev/null | grep -- $0 > /dev/null
then
FIND_PROC="$PS -ef | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"
FIND_PROC="$PS -ef | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"
# Do anybody use this?
elif $PS $$ 2> /dev/null | grep -- $0 > /dev/null
then
FIND_PROC="$PS \$\$PID | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"
FIND_PROC="$PS \$\$PID | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"
else
case $SYSTEM_TYPE in
*freebsd*|*dragonfly*)
FIND_PROC="$PS p \$\$PID | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"
FIND_PROC="$PS p \$\$PID | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" > /dev/null"
;;
*darwin*)
FIND_PROC="$PS -uaxww | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"
FIND_PROC="$PS -uaxww | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"
;;
*cygwin*)
FIND_PROC="$PS -e | grep -v ' grep' | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"
FIND_PROC="$PS -e | grep -v \" grep\" | grep -v mysqld_safe | grep -- \"\$\$MYSQLD\" | grep \" \$\$PID \" > /dev/null"
;;
*netware*)
FIND_PROC=