Correct check for no extension in check_library_exists() (#4655)

If libdircheck is true, add_dotlibs() will put .lib/ at the
start of newarg so that ext will never be NULL.

diff --git a/scripts/jlibtool.c b/scripts/jlibtool.c
index 072c01795701e8ffdedeced592c14935b68f1125..72cd6441691accdbb385aef7d04e725375744458 100644 (file)
--- a/scripts/jlibtool.c
+++ b/scripts/jlibtool.c
@@ -1533,7 +1533,7 @@ static char *check_library_exists(command_t *cmd, char const *arg, int pathlen,
 
        strcpy(newarg + newpathlen, arg + pathlen);
        ext = strrchr(newarg, '.');
-       if (!ext) {
+       if (!ext || ext == newarg) {
                ERROR("Error: Library path does not have an extension\n");
                free(newarg);