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Some notes on the 'bootstrap with or without libc headers' debate:
http://linuxfromscratch.org/pipermail/lfs-dev/2005-July/052409.html
http://gcc.gnu.org/ml/gcc/2005-07/msg01195.html
--- gcc/unwind-dw2.c
+++ gcc/unwind-dw2.c
@@ -253,9 +253,11 @@
}
#endif
+#ifndef inhibit_libc
#ifdef MD_UNWIND_SUPPORT
#include MD_UNWIND_SUPPORT
#endif
+#endif
/* Extract any interesting information from the CIE for the translation
unit F belongs to. Return a pointer to the byte after the augmentation,
--- gcc/configure
+++ gcc/configure
@@ -12857,7 +12857,7 @@ then
| powerpc*-*-*,powerpc64*-*-*)
CROSS="$CROSS -DNATIVE_CROSS" ;;
esac
-elif test "x$TARGET_SYSTEM_ROOT" != x; then
+elif test "x$TARGET_SYSTEM_ROOT" != x -o $build != $host; then
SYSTEM_HEADER_DIR=$build_system_header_dir
fi
--- gcc/configure.ac
+++ gcc/configure.ac
@@ -1717,7 +1717,7 @@ then
| powerpc*-*-*,powerpc64*-*-*)
CROSS="$CROSS -DNATIVE_CROSS" ;;
esac
-elif test "x$TARGET_SYSTEM_ROOT" != x; then
+elif test "x$TARGET_SYSTEM_ROOT" != x -o $build != $host; then
SYSTEM_HEADER_DIR=$build_system_header_dir
fi
|
