-# The HP-UX ksh and POSIX shell print the target directory to stdout
-# if CDPATH is set.
-(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
-
-if test -z "$lt_ECHO"; then
- if test "X${echo_test_string+set}" != Xset; then
- # find a string as large as possible, as long as the shell can cope with it
- for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do
- # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
- if { echo_test_string=`eval $cmd`; } 2>/dev/null &&
- { test "X$echo_test_string" = "X$echo_test_string"; } 2>/dev/null
- then
- break
- fi
- done
- fi
-
- if test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' &&
- echo_testing_string=`{ $ECHO "$echo_test_string"; } 2>/dev/null` &&
- test "X$echo_testing_string" = "X$echo_test_string"; then
- :
- else
- # The Solaris, AIX, and Digital Unix default echo programs unquote
- # backslashes. This makes it impossible to quote backslashes using
- # echo "$something" | sed 's/\\/\\\\/g'
- #
- # So, first we look for a working echo in the user's PATH.
-
- lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
- for dir in $PATH /usr/ucb; do
- IFS="$lt_save_ifs"
- if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
- test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
- echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
- test "X$echo_testing_string" = "X$echo_test_string"; then
- ECHO="$dir/echo"
- break
- fi
- done
- IFS="$lt_save_ifs"
-
- if test "X$ECHO" = Xecho; then
- # We didn't find a better echo, so look for alternatives.
- if test "X`{ print -r '\t'; } 2>/dev/null`" = 'X\t' &&
- echo_testing_string=`{ print -r "$echo_test_string"; } 2>/dev/null` &&
- test "X$echo_testing_string" = "X$echo_test_string"; then
- # This shell has a builtin print -r that does the trick.
- ECHO='print -r'
- elif { test -f /bin/ksh || test -f /bin/ksh$ac_exeext; } &&
- test "X$CONFIG_SHELL" != X/bin/ksh; then
- # If we have ksh, try running configure again with it.
- ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
- export ORIGINAL_CONFIG_SHELL
- CONFIG_SHELL=/bin/ksh
- export CONFIG_SHELL
- exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"}
- else
- # Try using printf.
- ECHO='printf %s\n'
- if test "X`{ $ECHO '\t'; } 2>/dev/null`" = 'X\t' &&
- echo_testing_string=`{ $ECHO "$echo_test_string"; } 2>/dev/null` &&
- test "X$echo_testing_string" = "X$echo_test_string"; then
- # Cool, printf works
- :
- elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
- test "X$echo_testing_string" = 'X\t' &&
- echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
- test "X$echo_testing_string" = "X$echo_test_string"; then
- CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL
- export CONFIG_SHELL
- SHELL="$CONFIG_SHELL"
- export SHELL
- ECHO="$CONFIG_SHELL [$]0 --fallback-echo"
- elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
- test "X$echo_testing_string" = 'X\t' &&
- echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
- test "X$echo_testing_string" = "X$echo_test_string"; then
- ECHO="$CONFIG_SHELL [$]0 --fallback-echo"
- else
- # maybe with a smaller string...
- prev=:
-
- for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do
- if { test "X$echo_test_string" = "X`eval $cmd`"; } 2>/dev/null
- then
- break
- fi
- prev="$cmd"
- done
projects / wxWidgets.git / blobdiff