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authorHolger Freyther <zecke@selfish.org>2008-02-17 21:36:24 +0000
committerHolger Freyther <zecke@selfish.org>2008-02-17 21:36:24 +0000
commit813b702be534bd460e69c32ac4671e8be7573204 (patch)
tree6c4ac9b6ed36368f9016e7ce093fe7f2a4e98b0d /packages/gcc
parent45bb225e01108328a5006ef0b8238e94737d4f66 (diff)
packages/gcc/gcc-4.2.1/zecke-no-host-includes.patch: Document this patch and explain why it is a hack
Diffstat (limited to 'packages/gcc')
-rw-r--r--packages/gcc/gcc-4.2.1/zecke-no-host-includes.patch13
1 files changed, 13 insertions, 0 deletions
diff --git a/packages/gcc/gcc-4.2.1/zecke-no-host-includes.patch b/packages/gcc/gcc-4.2.1/zecke-no-host-includes.patch
index 6afb10d6ef..0b401defd8 100644
--- a/packages/gcc/gcc-4.2.1/zecke-no-host-includes.patch
+++ b/packages/gcc/gcc-4.2.1/zecke-no-host-includes.patch
@@ -1,3 +1,16 @@
+upstream: n/a
+status: evil hack
+comment: Including host system headers when cross compiling can lead to weird
+issues, in the best case compile issues, in the worst case crashes. E.g. if you
+are building a uclibc system, you certainly do not want glibc headers or OSX libc
+headers to be picked up. To avoid that this patch is penetalizing certain common
+Linux/Unix host directories.
+
+To send the patch upstream the evil paths should be specified by
+a setting or command-line options. Until now this is a evil hack assuming
+certain host system paths. E.g. /usr/local/ and other common paths should be
+added.
+
Index: gcc-4.0.2/gcc/c-incpath.c
===================================================================
--- gcc-4.0.2.orig/gcc/c-incpath.c 2005-01-23 16:05:27.000000000 +0100