------- Comment #1 from rguenth at gcc dot gnu dot org 2008-11-03 12:25 -------
appending -v shows
/usr/lib64/gcc/x86_64-suse-linux/4.3/cc1plus -quiet -v -D_GNU_SOURCE t.C
-quiet -dumpbase t.C -mtune=generic -auxbase t -version -o t.s
#include "..." search starts here:
#include <...> search starts here:
/usr/include/c++/4.3
/usr/include/c++/4.3/x86_64-suse-linux
/usr/include/c++/4.3/backward
/usr/local/include
/usr/lib64/gcc/x86_64-suse-linux/4.3/include
/usr/lib64/gcc/x86_64-suse-linux/4.3/include-fixed
/usr/lib64/gcc/x86_64-suse-linux/4.3/../../../../x86_64-suse-linux/include
/usr/include
End of search list.
vs.
/usr/lib64/gcc/x86_64-suse-linux/4.3/cc1plus -quiet -v -D_GNU_SOURCE -isystem
/usr/include t.C -quiet -dumpbase t.C -mtune=generic -auxbase t -version -o t.s
ignoring duplicate directory "/usr/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/include
/usr/include/c++/4.3
/usr/include/c++/4.3/x86_64-suse-linux
/usr/include/c++/4.3/backward
/usr/local/include
/usr/lib64/gcc/x86_64-suse-linux/4.3/include
/usr/lib64/gcc/x86_64-suse-linux/4.3/include-fixed
/usr/lib64/gcc/x86_64-suse-linux/4.3/../../../../x86_64-suse-linux/include
End of search list.
note the different ordering which will likely make #include_next fail? It
works for me with 4.2.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Component|c++ |driver
Ever Confirmed|0 |1
Known to fail| |4.3.2
Known to work| |4.2.4
Last reconfirmed|0000-00-00 00:00:00 |2008-11-03 12:25:17
date| |
Summary|System header files not |[4.3/4.4 Regression] System
|found once -isystem |header files not found once
|/usr/include is used |-isystem /usr/include is
| |used
Target Milestone|--- |4.3.3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38000
