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authorUlrich Drepper <drepper@redhat.com>1999-03-08 13:31:54 +0000
committerUlrich Drepper <drepper@redhat.com>1999-03-08 13:31:54 +0000
commit95f7cecb96e8c401f1b5c54fe4658457ab1373cb (patch)
tree65925f91c3e61a9e34d6cde6101d7bfbd2004ca5 /FAQ
parent1999-03-08 Roland McGrath <roland@baalperazim.frob.com> (diff)
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Regenerated: /usr/bin/perl scripts/gen-FAQ.pl FAQ.in
Diffstat (limited to 'FAQ')
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1 files changed, 16 insertions, 5 deletions
diff --git a/FAQ b/FAQ
index 5fe4be493c..df3261170d 100644
--- a/FAQ
+++ b/FAQ
@@ -215,8 +215,15 @@ may not have all the features GNU libc requires. The current releases of
egcs (1.0.3 and 1.1.1) should work with the GNU C library (for powerpc see
question 1.5; for ARM see question 1.6).
-{ZW} Due to problems with C++ exception handling, you must use EGCS (any
-version) to compile version 2.1 of GNU libc. See question 2.8 for details.
+While the GNU CC should be able to compile glibc it is nevertheless adviced
+to use EGCS. Comparing the sizes of glibc on Intel compiled with a recent
+EGCS and gcc 2.8.1 shows this:
+
+ text data bss dec hex filename
+egcs-2.93.10 862897 15944 12824 891665 d9b11 libc.so
+gcc-2.8.1 959965 16468 12152 988585 f15a9 libc.so
+
+Make up your own decision.
1.3. When I try to compile glibc I get only error messages.
@@ -738,15 +745,19 @@ libc. It doesn't matter what compiler you use to compile your program.
For glibc 2.1, we've chosen to do it the other way around: libc.so
explicitly provides the EH functions. This is to prevent other shared
-libraries from doing it. You must therefore compile glibc 2.1 with EGCS.
-Again, it doesn't matter what compiler you use for your programs.
+libraries from doing it.
+
+{UD} Starting with glibc 2.1.1 you can compile glibc with gcc 2.8.1 or
+newer since we have explicitly add references to the functions causing the
+problem. But you nevertheless should use EGCS for other reasons
+(see question 1.2).
2.9. How can I compile gcc 2.7.2.1 from the gcc source code using
glibc 2.x?
{AJ} There's only correct support for glibc 2.0.x in gcc 2.7.2.3 or later.
-But you should get at least gcc 2.8.1 or egcs 1.0.2 (or later versions)
+But you should get at least gcc 2.8.1 or egcs 1.1 (or later versions)
instead.