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authorUlrich Drepper <drepper@redhat.com>1999-03-08 11:57:06 +0000
committerUlrich Drepper <drepper@redhat.com>1999-03-08 11:57:06 +0000
commitb93492aaddcd959f47419ca9b44bc2ecca97858b (patch)
treee4f12a2ac507159bc64d614c15a2753924929326
parent7d1de115db4c8b660d12ad1a72cb95ffa7f7a234 (diff)
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Update.
1999-03-02  Mark Kettenis  <kettenis@gnu.org>

	* Makerules (LD_FLAGS-c.so): Add -u __register_frame to force the
	backward compatibility EH functions to be linked when using
	gcc-2.8.1.  Patch by Zack Weinberg <zack@rabi.columbia.edu>.
-rw-r--r--ChangeLog6
-rw-r--r--FAQ18
-rw-r--r--FAQ.in15
-rw-r--r--Makerules2
4 files changed, 41 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 6e769be459..9a8ea2d930 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+1999-03-02  Mark Kettenis  <kettenis@gnu.org>
+
+	* Makerules (LD_FLAGS-c.so): Add -u __register_frame to force the
+	backward compatibility EH functions to be linked when using
+	gcc-2.8.1.  Patch by Zack Weinberg <zack@rabi.columbia.edu>.
+
 1999-03-08  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>
 
 	* sysdeps/unix/sysv/linux/ttyname.c (ttyname): Undo last change.
diff --git a/FAQ b/FAQ
index 3de7dfec50..5fe4be493c 100644
--- a/FAQ
+++ b/FAQ
@@ -143,6 +143,8 @@ please let me know.
 	execute any binaries.  What went wrong?
 3.19.	bonnie reports that char i/o with glibc 2 is much slower than with
 	libc5.  What can be done?
+3.20.	Programs compiled with glibc 2.1 can't read db files made with glibc
+	2.0.  What has changed that programs like rpm break?
 
 4. Miscellaneous
 
@@ -1497,6 +1499,22 @@ suffix `_unlocked', for details check <stdio.h>.  Using `putc_unlocked' etc.
 instead of `putc' should give nearly the same speed with bonnie (bonnie is a
 benchmark program for measuring disk access).
 
+
+3.20.	Programs compiled with glibc 2.1 can't read db files made with glibc
+	2.0.  What has changed that programs like rpm break?
+
+{AJ} The GNU C library 2.1 uses db2 instead of db1 which was used in version
+2.0.  The internal formats of the actual db files are different.  To convert
+the db files from db1 format to db2 format, you can use the programs
+`db_dump185' and `db_load'.  Alternativly programs can be linked with db1
+using `-ldb1' instead of linking with db2 which uses `-ldb'.  Linking with
+db1 might be preferable if older programs need to access the db file.
+
+db2 supports the old db1 programming interface and also a new programming
+interface.  For compilation with the old API, <db_185.h> has to be included
+(and not <db.h>) and you can link with either `-ldb1' or `-ldb' for either
+of the db formats.
+
 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
 
diff --git a/FAQ.in b/FAQ.in
index 91acca2063..9f92170f47 100644
--- a/FAQ.in
+++ b/FAQ.in
@@ -1287,6 +1287,21 @@ suffix `_unlocked', for details check <stdio.h>.  Using `putc_unlocked' etc.
 instead of `putc' should give nearly the same speed with bonnie (bonnie is a
 benchmark program for measuring disk access).
 
+??	Programs compiled with glibc 2.1 can't read db files made with glibc
+	2.0.  What has changed that programs like rpm break?
+
+{AJ} The GNU C library 2.1 uses db2 instead of db1 which was used in version
+2.0.  The internal formats of the actual db files are different.  To convert
+the db files from db1 format to db2 format, you can use the programs
+`db_dump185' and `db_load'.  Alternativly programs can be linked with db1
+using `-ldb1' instead of linking with db2 which uses `-ldb'.  Linking with
+db1 might be preferable if older programs need to access the db file.
+
+db2 supports the old db1 programming interface and also a new programming
+interface.  For compilation with the old API, <db_185.h> has to be included
+(and not <db.h>) and you can link with either `-ldb1' or `-ldb' for either
+of the db formats.
+
 
 ? Miscellaneous
 
diff --git a/Makerules b/Makerules
index cf0a6a5bfc..984a8ada15 100644
--- a/Makerules
+++ b/Makerules
@@ -405,6 +405,8 @@ LDFLAGS-c.so = -nostdlib -nostartfiles
 LDLIBS-c.so += $(gnulib)
 # Give libc.so an entry point and make it directly runnable itself.
 LDFLAGS-c.so += -e __libc_main
+# Force the backward compatibility EH functions to be linked.
+LDFLAGS-c.so += -u __register_frame
 # Pre-link the objects of libc_pic.a so that we can locally resolve
 # COMMON symbols before we link against ld.so.  This is because ld.so
 # contains some of libc_pic.a already, which will prevent the COMMONs