[Bug driver/17537] New: g++ not passing -lstdc++ to linker when no .o files are specified

[Bug driver/17537] New: g++ not passing -lstdc++ to linker when no .o files are specified

[dpatel at apple dot com]

Steps to reproduce.
$ cat > main.cpp
int main() {
        char *foo = new char[10];
        delete foo;
}

$ g++ -c main.cpp

$ g++ -o main1 main.o

$ ar cr libmain.a main.o

$ ranlib libmain.a 

$ g++ -o main2 libmain.a

$ g++ -o main3 -L. -lmain   
ld: warning prebinding disabled because of undefined symbols
ld: Undefined symbols:
operator delete(void*)
operator new[](unsigned long)
___gxx_personality_v0

-- 
           Summary: g++ not passing -lstdc++ to linker when no .o files are
                    specified
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: driver
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: dpatel at apple dot com
                CC: gcc-bugs at gcc dot gnu dot org
  GCC host triplet: powerpc-darwin


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17537

[Bug driver/17537] [3.4/4.0 Regression] g++ not passing -lstdc++ to linker when -l is only supplied

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-09-17 18:38 -------
Confirmed, correcting the summary as it is only true for -l.
Also this is a regression from 3.3.3.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
      Known to fail|                            |3.4.0 4.0.0
      Known to work|                            |3.3.3
   Last reconfirmed|0000-00-00 00:00:00         |2004-09-17 18:38:12
               date|                            |
            Summary|g++ not passing -lstdc++ to |[3.4/4.0 Regression] g++ not
                   |linker when no .o files are |passing -lstdc++ to linker
                   |specified                   |when -l is only supplied
   Target Milestone|---                         |3.4.3


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17537

[Bug driver/17537] [3.4/4.0 Regression] g++ not passing -lstdc++ to linker when -l is only supplied

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-09-25 15:20 -------
Patch here: <http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02651.html>.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |patch


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17537

[Bug driver/17537] [3.4/4.0 Regression] g++ not passing -lstdc++ to linker when -l is only supplied

[pcarlini at suse dot de]

------- Additional Comments From pcarlini at suse dot de  2004-09-27 15:44 -------
*** Bug 17694 has been marked as a duplicate of this bug. ***

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |psfales at lucent dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17537

[Bug driver/17537] [3.4/4.0 Regression] g++ not passing -lstdc++ to linker when -l is only supplied

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-09-28 22:43 -------
Subject: Bug 17537

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	sayle@gcc.gnu.org	2004-09-28 22:43:12

Modified files:
	gcc/cp         : ChangeLog g++spec.c 

Log message:
	PR driver/17537
	* g++spec.c (lang_specific_driver): Unrecognized libraries, other
	than -lc and -lm, may require linking against libstc++.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&r1=1.4393&r2=1.4394
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/g++spec.c.diff?cvsroot=gcc&r1=1.46&r2=1.47



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17537

[Bug driver/17537] [3.4 Regression] g++ not passing -lstdc++ to linker when -l is only supplied

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-09-28 22:53 -------
Now only a 3.4 regression.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|3.4.0 4.0.0                 |3.4.0
      Known to work|3.3.3                       |3.3.3 4.0.0
            Summary|[3.4/4.0 Regression] g++ not|[3.4 Regression] g++ not
                   |passing -lstdc++ to linker  |passing -lstdc++ to linker
                   |when -l is only supplied    |when -l is only supplied


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17537

[Bug driver/17537] [3.4 Regression] g++ not passing -lstdc++ to linker when -l is only supplied

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-09-29 02:19 -------
Subject: Bug 17537

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_4-branch
Changes by:	sayle@gcc.gnu.org	2004-09-29 02:18:58

Modified files:
	gcc/cp         : ChangeLog g++spec.c 

Log message:
	PR driver/17537
	* g++spec.c (lang_specific_driver): Unrecognized libraries, other
	than -lc and -lm, may require linking against libstc++.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.3892.2.161&r2=1.3892.2.162
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/g++spec.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.41&r2=1.41.4.1



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17537

[Bug driver/17537] [3.4 Regression] g++ not passing -lstdc++ to linker when -l is only supplied

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-09-29 02:34 -------
Fixed.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17537