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|> The Makefile.shlib changes will have to be discussed with other Linux 

|> developers so we are sure it will work on all platforms.

The problem with the current settings is that the linker is called
directly.  This is wrong, it should always be called through the
compiler
driver (the only exception is `ld -r').  This will make sure that the
necessary libraries like libgcc are linked in.

But there is still a different problem with the setting of LDFLAGS_ODBC.
The psqlodbc module defines the functions _init and _fini which are
reserved for the shared library initialisation.  These should be changed
to constructor functions.  Then LDFLAGS_ODBC can be changed to be just
`-lm'.  Btw, why does it use -Bsymbolic?

Andreas Schwab
This commit is contained in:
Bruce Momjian 2000-07-07 01:23:44 +00:00
parent d800532536
commit 16e948781c
2 changed files with 18 additions and 6 deletions
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8
src/Makefile.shlib
View File

@ -6,7 +6,7 @@
# Copyright (c) 1998, Regents of the University of California
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/Makefile.shlib,v 1.21 2000/06/28 18:29:13 petere Exp $
# $Header: /cvsroot/pgsql/src/Makefile.shlib,v 1.22 2000/07/07 01:23:43 momjian Exp $
#
#-------------------------------------------------------------------------
@ -143,9 +143,9 @@ endif
ifeq ($(PORTNAME), linux)
shlib := lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
LDFLAGS_SL := -Bdynamic -shared -soname $(shlib)
LDFLAGS_ODBC := -Bsymbolic -lc -lm
SHLIB_LINK += -lc
LD := $(CC)
LDFLAGS_SL := -shared -Wl,-soname,$(shlib)
LDFLAGS_ODBC := -lm
CFLAGS += $(CFLAGS_SL)
endif

16
src/interfaces/odbc/psqlodbc.c
View File

@ -33,8 +33,6 @@
GLOBAL_VALUES globals;
BOOL _init(void);
BOOL _fini(void);
RETCODE SQL_API SQLDummyOrdinal(void);
#ifdef WIN32
@ -97,6 +95,20 @@ WSADATA wsaData;
#define FALSE (BOOL)0
#endif
#ifdef __GNUC__
/* This function is called at library initialization time. */
static BOOL
__attribute__((constructor))
init(void)
{
getGlobalDefaults(DBMS_NAME, ODBCINST_INI, FALSE);
return TRUE;
}
#else
/* These two functions do shared library initialziation on UNIX, well at least
* on Linux. I don't know about other systems.
*/