generation of gt-*.h files

[Basile STARYNKEVITCH <basile at starynkevitch dot net>]

Dear All,

I'm still a newbie, and do not understand very well the machinery behind the
GCC garbage collector, in particular the following behavior on a recently
svn update-ed GCC trunk. My system is an AMD64/Debian/Sid


cd /usr/src/Lang/gcc # my trunk
svn info

Path: .
URL: svn://gcc.gnu.org/svn/gcc/trunk
Repository Root: svn://gcc.gnu.org/svn/gcc
Repository UUID: 138bc75d-0d04-0410-961f-82ee72b054a4
Revision: 117825
Node Kind: directory
Schedule: normal
Last Changed Author: bkoz
Last Changed Rev: 117825
Last Changed Date: 2006-10-17 14:53:40 +0200 (Tue, 17 Oct 2006)

mkdir ../_GccObj
cd ../_GccObj
/usr/src/Lang/gcc/configure  --disable-multilib --enable-languages=c,c++
make -j4 
## lots of output, compilation is successful
ls -l gcc/xgcc
-rwxr-xr-x 1 basile src 539143 Oct 17 15:51 gcc/xgcc
ls -l gcc/gt-tree-ssa-operands.h
-rw-r--r-- 1 basile src 1086 Oct 17 15:49 gcc/gt-tree-ssa-operands.h
mv gcc/gt-tree-ssa-operands.h /tmp
## I removed a generated header (for GC support within GCC)
### ....
make[2]: Entering directory `/usr/src/Lang/_TrunkGccObj/gcc'
gcc -c   -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -fno-common   -DHAVE_CONFIG_H -I. -I. -I/usr/src/Lang/gcc/gcc -I/usr/src/Lang/gcc/gcc/. -I/usr/src/Lang/gcc/gcc/../include -I/usr/src/Lang/gcc/gcc/../libcpp/include  -I/usr/src/Lang/gcc/gcc/../libdecnumber -I../libdecnumber    /usr/src/Lang/gcc/gcc/tree-ssa-operands.c -o tree-ssa-operands.o
/usr/src/Lang/gcc/gcc/tree-ssa-operands.c:2571:34: error: gt-tree-ssa-operands.h: No such file or directory

Why is the gt-tree-ssa-operands.h not rebuilt if removed?

More generally, I have trouble adding a pass basile-analys.c (which does
nothing useful yet) which includes its header basile-analys.h which contains
struct-ures with GTY(()) so I need to have gt-basile-analys.h generated from
basile-analys.h

If you really want to dive into my sources (nothing interesting yet, I'm
still earning Gcc with some pain), you could get them from
http://ours.starynkevitch.net/basile/ggcc-basile.tgz (but this is a home
computer on ADSL) - this is an archive of all the source files I added or
changed to the GCC trunk


Regards

-- 
Basile STARYNKEVITCH         http://starynkevitch.net/Basile/ 
email: basile<at>starynkevitch<dot>net 
aliases: basile<at>tunes<dot>org = bstarynk<at>nerim<dot>net
8, rue de la Faïencerie, 92340 Bourg La Reine, France