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| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/doc/install.texi | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 21586ce..b37f066 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-06-26 Andrew Pinski <pinskia@physics.uc.edu> + + PR 13334 + * doc/install.texi: Document non-standard CFLAGS and bootstrap + failures and warnings. + 2004-06-26 Andrew Haley <aph@redhat.com> * emit-rtl.c (set_mem_attributes_minus_bitpos): Check diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi index 99d1fb1..3badfa4 100644 --- a/gcc/doc/install.texi +++ b/gcc/doc/install.texi @@ -1477,6 +1477,12 @@ around this, by choosing @code{BOOT_CFLAGS} to avoid the parts of the stage1 compiler that were miscompiled, or by using @samp{make bootstrap4} to increase the number of stages of bootstrap. +Note that using non-standard @code{CFLAGS} can cause bootstrap to fail in +@file{libiberty}, if these trigger a warning with the new compiler. For +example using @samp{-O2 -g -mcpu=i686} on @code{i686-pc-linux-gnu} will +cause bootstrap failure as @code{-mcpu=} is deprecated in 3.4.0 and above. + + If you used the flag @option{--enable-languages=@dots{}} to restrict the compilers to be built, only those you've actually enabled will be built. This will of course only build those runtime libraries, for |