Date: Wed, 22 Apr 1998 03:50:01 -0700 (PDT) From: Ollivier Robert <roberto@keltia.freenix.fr> To: freebsd-ports Subject: Re: ports/6380: gcc-2.8.1 port does not create shared libs Message-ID: <199804221050.DAA13036@hub.freebsd.org>
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The following reply was made to PR ports/6380; it has been noted by GNATS.
From: Ollivier Robert <roberto@keltia.freenix.fr>
To: mi@aldan.algebra.com, FreeBSD-gnats-submit@FreeBSD.ORG
Cc: obrien@FreeBSD.ORG
Subject: Re: ports/6380: gcc-2.8.1 port does not create shared libs
Date: Wed, 22 Apr 1998 12:32:00 +0200
According to Mikhail Teterin:
> pgcc -shared -o .libs/libglib.so.1.0 garray.lo gcache.lo gerror.lo ghash.lo glist.lo gmem.lo gprimes.lo gslist.lo gtimer.lo gtree.lo gstring.lo gscanner.lo gutils.lo
> ld: No reference to __DYNAMIC
The following patch should be adapted to gcc 2.8.1 and sent to the gcc
folks. This fix is present in our 2.7.2.1 gcc and since January in the
egcs/pgcc tree.
Date: Wed, 28 Jan 1998 08:35:55 +0100
From: Ollivier Robert <roberto@keltia.freenix.fr>
To: current@freebsd.org
Subject: Re: Building EGCS. What am I missing?
According to John Polstra:
> Probably building shared libraries by hand with "ld -Bshareable
> /usr/lib/c++rt0.o *.so ..." will work OK. The problem just affects
> "gcc -shared".
Here is John's fix, adapted to egcs. The fix was made on pgcc 980122 but it
should apply mostly cleanly on every version of either egcs or pgcc. I was
able to build a shared lib with our bsd.lib.mk after that. egcs doesn't
have a STARTFILE_SPEC so I added our own (I'm not sure about it).
I'll send them to the egcs folks.
--- freebsd.h.old Mon Jan 26 22:07:49 1998
+++ freebsd.h Wed Jan 28 07:56:19 1998
@@ -38,7 +38,7 @@
#define CPP_PREDEFINES "-Dunix -Di386 -Dbsd4_4 -D__FreeBSD__=2 -D__386BSD__ -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)"
/* Like the default, except no -lg. */
-#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
+#define LIB_SPEC "%{!shared:%{!pg:-lc}%{pg:-lc_p}}"
#undef SIZE_TYPE
#define SIZE_TYPE "unsigned int"
@@ -220,7 +220,15 @@
#define ASM_SPEC " %| %{fpic:-k} %{fPIC:-k}"
#define LINK_SPEC \
- "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*}"
+ "%{p:%e`-p' not supported; use `-pg' and gprof(1)} \
+ %{shared:-Bshareable} \
+ %{!shared:%{!nostdlib:%{!r:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} \
+ %{pg:-Bstatic} %{Z}} \
+ %{assert*} %{R*}"
+
+#define STARTFILE_SPEC \
+ "%{shared:c++rt0.o%s} \
+ %{!shared:%{pg:gcrt0.o%s}%{!pg:%{static:scrt0.o%s}%{!static:crt0.o%s}}}"
/* This is defined when gcc is compiled in the BSD-directory-tree, and must
* make up for the gap to all the stuff done in the GNU-makefiles.
--
Ollivier ROBERT -=- FreeBSD: The Power to Serve! -=- roberto@keltia.freenix.fr
FreeBSD keltia.freenix.fr 3.0-CURRENT #3: Tue Apr 14 21:41:01 CEST 1998
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