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|
dnl Checks lib $1 for function $2, setting $3 to 1 or 0 accordingly. If it
dnl doesn't find $2 it performs the same for function $4 and variable $5.
AC_DEFUN([TH_CHECK_ALTERNATIVE_FUNCS],
[
$3=0
$5=0
AC_CHECK_LIB($1, $2,
[
$3=1
],
[
AC_CHECK_LIB($1, $4,
[
$5=1
],
[
AC_MSG_ERROR([Unable to find functions $2 or $4 in lib $1])
])
])
AC_DEFINE_UNQUOTED([$3], [$$3], [Alternative function in lib $1])
AC_DEFINE_UNQUOTED([$5], [$$5], [Alternative function in lib $1])
])
# Recursively evaluates a variable until
# it contains no references to other variables
AC_DEFUN([TH_EXPAND_VARS],
[
while echo $$1 | grep -q '\$'
do
$1="`eval echo $$1`"
done
])
|
