Thread: BUG #5707: Cross compilation for windows is broken
The following bug has been logged online:
Bug reference: 5707
Logged by: Richard Evans
Email address: richard.evans@datanomic.com
PostgreSQL version: 9.0.1
Operating system: Linux (Fedora 12)
Description: Cross compilation for windows is broken
Details:
When cross compiling for Windows using a separate build area, libpq.dll does
not build because the .def file cannot be found.
This appears to be caused by these lines in Makefile.shlib:
# If SHLIB_EXPORTS is set, the rules below will build a .def file from
# that. Else we build a temporary one here.
ifeq (,$(SHLIB_EXPORTS))
DLL_DEFFILE = lib$(NAME)dll.def
exports_file = $(DLL_DEFFILE)
$(exports_file): $(OBJS)
$(DLLTOOL) --export-all $(DLLTOOL_DEFFLAGS) --output-def $@ $^
else
DLL_DEFFILE = lib$(NAME)dll.def
endif
In Makefile.shlib from 8.4.5, the lines read:
# If SHLIB_EXPORTS is set, the rules below will build a .def file from
# that. Else we build a temporary one here.
ifeq (,$(SHLIB_EXPORTS))
DLL_DEFFILE = lib$(NAME)dll.def
exports_file = $(DLL_DEFFILE)
$(exports_file): $(OBJS)
$(DLLTOOL) --export-all $(DLLTOOL_DEFFLAGS) --output-def $@ $^
else
DLL_DEFFILE = $(srcdir)/lib$(NAME)dll.def
endif
Note the reference fo ${srcdir). If Makefile.shlib in 9.0.1 is updated to
match this, the build succeeds.
The configure command was somethinglike:
~/misc/postgresql-9.0.1/configure --host=mingw32 --prefix=/tmp/pg9
--without-zlib
Excerpts from Richard Evans's message of mar oct 12 12:48:45 -0300 2010: > When cross compiling for Windows using a separate build area, libpq.dll does > not build because the .def file cannot be found. > > This appears to be caused by these lines in Makefile.shlib: Hmm, apparently this was made to work here: http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=26af72b4 and subsequently broken later: http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=234c7ce9 I think the real fix is to make the DEF files be generated in the builddir, to complete the intention of the latter patch. -- Ãlvaro Herrera <alvherre@commandprompt.com> The PostgreSQL Company - Command Prompt, Inc. PostgreSQL Replication, Consulting, Custom Development, 24x7 support
On Tue, Oct 12, 2010 at 2:25 PM, Alvaro Herrera <alvherre@commandprompt.com> wrote: > Excerpts from Richard Evans's message of mar oct 12 12:48:45 -0300 2010: > >> When cross compiling for Windows using a separate build area, libpq.dll does >> not build because the .def file cannot be found. >> >> This appears to be caused by these lines in Makefile.shlib: > > Hmm, apparently this was made to work here: > http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=26af72b4 > > and subsequently broken later: > http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=234c7ce9 > > I think the real fix is to make the DEF files be generated in the > builddir, to complete the intention of the latter patch. Is anyone working on that? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
Excerpts from Robert Haas's message of vie oct 29 13:23:39 -0300 2010: > On Tue, Oct 12, 2010 at 2:25 PM, Alvaro Herrera > <alvherre@commandprompt.com> wrote: > > Excerpts from Richard Evans's message of mar oct 12 12:48:45 -0300 2010: > > > >> When cross compiling for Windows using a separate build area, libpq.dll does > >> not build because the .def file cannot be found. > >> > >> This appears to be caused by these lines in Makefile.shlib: > > > > Hmm, apparently this was made to work here: > > http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=26af72b4 > > > > and subsequently broken later: > > http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=234c7ce9 > > > > I think the real fix is to make the DEF files be generated in the > > builddir, to complete the intention of the latter patch. > > Is anyone working on that? Not me. I tried, but mingw32-gcc doesn't work out of the box for me, because configure is not testing for the right accept() arguments. That's what I can do with the time I can dedicate to a problem like this right now (i.e. not much). -- Ãlvaro Herrera <alvherre@commandprompt.com> The PostgreSQL Company - Command Prompt, Inc. PostgreSQL Replication, Consulting, Custom Development, 24x7 support
Has this been addressed? --------------------------------------------------------------------------- Alvaro Herrera wrote: > Excerpts from Robert Haas's message of vie oct 29 13:23:39 -0300 2010: > > On Tue, Oct 12, 2010 at 2:25 PM, Alvaro Herrera > > <alvherre@commandprompt.com> wrote: > > > Excerpts from Richard Evans's message of mar oct 12 12:48:45 -0300 2010: > > > > > >> When cross compiling for Windows using a separate build area, libpq.dll does > > >> not build because the .def file cannot be found. > > >> > > >> This appears to be caused by these lines in Makefile.shlib: > > > > > > Hmm, apparently this was made to work here: > > > http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=26af72b4 > > > > > > and subsequently broken later: > > > http://git.postgresql.org/gitweb?p=postgresql.git;a=commitdiff;h=234c7ce9 > > > > > > I think the real fix is to make the DEF files be generated in the > > > builddir, to complete the intention of the latter patch. > > > > Is anyone working on that? > > Not me. I tried, but mingw32-gcc doesn't work out of the box for me, > because configure is not testing for the right accept() arguments. > That's what I can do with the time I can dedicate to a problem like this > right now (i.e. not much). > > -- > Ãlvaro Herrera <alvherre@commandprompt.com> > The PostgreSQL Company - Command Prompt, Inc. > PostgreSQL Replication, Consulting, Custom Development, 24x7 support > > -- > Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-bugs -- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. +
On Sat, Feb 26, 2011 at 2:14 AM, Bruce Momjian <bruce@momjian.us> wrote: > Has this been addressed? Not me. Sounds like no one cares enough to figure out how to do this. Perhaps this should be a TODO. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
Robert Haas wrote:
> On Sat, Feb 26, 2011 at 2:14 AM, Bruce Momjian <bruce@momjian.us> wrote:
> > Has this been addressed?
>
> Not me. Sounds like no one cares enough to figure out how to do this.
> Perhaps this should be a TODO.
Agreed. TODO added:
Fix cross-compiling on Windows
* http://archives.postgresql.org/pgsql-bugs/2010-10/msg00110.php
--
Bruce Momjian <bruce@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +