[Bug 14846] New: quoting causes only first lib in CONFIG_EXTRA_LDLIBS to be taken

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=14846

            Bug ID: 14846
           Summary: quoting causes only first lib in CONFIG_EXTRA_LDLIBS
                    to be taken
           Product: Busybox
           Version: 1.35.x
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
          Assignee: unassigned at busybox.net
          Reporter: arekm at maven.pl
                CC: busybox-cvs at busybox.net
  Target Milestone: ---

Commit

commit 1f9ed02caffb269e5fc6fbdf19fc9ba05a79e628
Author: Denys Vlasenko <vda.linux at googlemail.com>
Date:   Tue Feb 23 23:09:49 2021 +0100

    trylink: do not drop libs from CONFIG_EXTRA_LDLIBS

removed (by not putting it in new place)

-ifneq ($(CONFIG_EXTRA_LDLIBS),)
-LDLIBS += $(strip $(subst ",,$(CONFIG_EXTRA_LDLIBS)))
-#"))
-endif

which was stripping "" from CONFIG_EXTRA_LDLIBS and now we get this:

.../busybox-1.35.0/scripts/trylink "busybox_unstripped"
"x86_64-pld-linux-gnux32-gcc" "-malign-data=abi ..." " applets/built-in.o" "
archival/lib.a  ar ...id/built-in.o" "m crypt rt" ""tirpc pthread gssapi"" &&
/home/users/arekm/rpm/BUILD-x32/busybox-1.35.0/scripts/generate_BUFSIZ.sh
--post include/common_bufsiz.h

note the double quoting of ""tirpc pthread gssapi"". Then  script/trylink does:

CONFIG_EXTRA_LDLIBS="$8"

which will be only 

+ CONFIG_EXTRA_LDLIBS=tirpc

missing pthread and gssapi.

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