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Only check that the c-ares lib is valid if we don't use the "embedded"

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directory. The provided ares dir is probably up-to-date, but more importantly
it is often not built yet at the time when this configure script runs.
This commit is contained in:
Daniel Stenberg 2004-04-01 10:26:59 +00:00
parent 01ea357744
commit c8d850dbad
1 changed files with 12 additions and 8 deletions
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20
configure.ac
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@ -1254,6 +1254,7 @@ AC_HELP_STRING([--disable-ares],[Disable ares for name lookups]),
dnl ares so it should not be a problem.
if test "x$enableval" = "xyes" ; then
if test -d "$srcdir/ares"; then
aresembedded="yes"
AC_CONFIG_SUBDIRS(ares)
aresinc=`cd $srcdir/ares && pwd`
CPPFLAGS="$CPPFLAGS -I$aresinc"
@ -1269,9 +1270,12 @@ AC_HELP_STRING([--disable-ares],[Disable ares for name lookups]),
LDFLAGS="$LDFLAGS -L$enableval/lib"
fi
dnl verify that a sufficient c-ares is here
AC_MSG_CHECKING([that c-ares is good and recent enough])
AC_LINK_IFELSE( [
if test -z "$aresembedded"; then
dnl verify that a sufficient c-ares is here if we have pointed one
dnl out and don't use the "embedded" ares dir (in which case we don't
dnl check it because it might not have been built yet)
AC_MSG_CHECKING([that c-ares is good and recent enough])
AC_LINK_IFELSE( [
#include <ares.h>
/* provide a set of dummy functions in case c-ares was built with debug */
void curl_dofree() { }
@ -1285,11 +1289,11 @@ int main(void)
return 0;
}
],
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no)
AC_MSG_ERROR([c-ares library defective or too old])
)
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no)
AC_MSG_ERROR([c-ares library defective or too old])
)
fi
;;
esac ],
AC_MSG_RESULT(no)