diff options
Diffstat (limited to 'gcc/gcc-3.3.3/config.sub.patch')
| -rw-r--r-- | gcc/gcc-3.3.3/config.sub.patch | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/gcc/gcc-3.3.3/config.sub.patch b/gcc/gcc-3.3.3/config.sub.patch index e69de29bb2..928f9115b0 100644 --- a/gcc/gcc-3.3.3/config.sub.patch +++ b/gcc/gcc-3.3.3/config.sub.patch @@ -0,0 +1,72 @@ +When configuring a s390->s390 or cris->cris crosscompiler +(ok, I haven't hit this yet, but one of these days I'll get me an account +on an s390, and then I'll need this patch :-), you'll get the +following error: + ++ /build/s390-unknown-linux-gnu/gcc-3.3-glibc-2.3.2/gcc-3.3/configure +--target=s390-unknown-linux-gnu --host=s390-host_unknown-linux-gnu +--prefix=/result/s390-unknown-linux-gnu/gcc-3.3-glibc-2.3.2 +--enable-languages=c +--with-local-prefix=/result/s390-unknown-linux-gnu/gcc-3.3-glibc-2.3.2/s390- +unknown-linux-gnu --enable-threads=no --without-headers --with-newlib +--disable-shared +... +*** --with-headers is only supported when cross compiling + +This error pops up only when you're using Daniel Jacobowitz's technique +of slightly changing the target and host tuples to make them different +enough to force gcc's build system to not try to pull in system libraries +or headers. This technique is needed e.g. to build an x86 -> x86 +cross-compiler. +(The LFS developers ran into the same bug that prompted me to use +this technique; they point people who run into it to +http://linuxfromscratch.org/~greg/pure_lfs.txt, which is a different +way of avoiding this problem. I think the tuple tweak is the way to go, though.) + +config-patches@gnu.org rejected this patch, on the grounds that there +is only one vendor of each of those two architectures, so the +canonicalization is by definition correct. When I pointed out the +difficulty this causes for people building s390 -> s390 or +cris -> cris compilers that are incompatible with the system +libraries and thus must be built like cross-compilers, he grumped and said +"autoconf should let you specify a cross-compiler in some other way than +comparing tuple strings". + + + +--- gcc-3.3/config.sub.old Sun Jun 8 20:38:47 2003 ++++ gcc-3.3/config.sub Sun Jun 8 20:40:34 2003 +@@ -433,9 +433,12 @@ + crds | unos) + basic_machine=m68k-crds + ;; +- cris | cris-* | etrax*) ++ cris | etrax*) + basic_machine=cris-axis + ;; ++ cris-*) ++ basic_machine=cris-`echo $basic_machine | sed 's/^[^-]*-//'` ++ ;; + da30 | da30-*) + basic_machine=m68k-da30 + ;; +@@ -820,11 +823,17 @@ + rtpc | rtpc-*) + basic_machine=romp-ibm + ;; +- s390 | s390-*) ++ s390) + basic_machine=s390-ibm + ;; +- s390x | s390x-*) ++ s390-*) ++ basic_machine=s390-`echo $basic_machine | sed 's/^[^-]*-//'` ++ ;; ++ s390x) + basic_machine=s390x-ibm ++ ;; ++ s390x-*) ++ basic_machine=s390x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + sa29200) + basic_machine=a29k-amd |