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gcc-4.7: Let cpp specs honor include searches in relocated install tree

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Fix from Yocto Bug 2074

(From OE-Core rev: fe32e09ccbef3a9896955e8d4c3113c53f95de48)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Khem Raj
2012-04-12 21:33:22 -07:00
committed by Richard Purdie
parent 8e6a742220
commit 9f32853544
2 changed files with 46 additions and 0 deletions
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40
meta/recipes-devtools/gcc/gcc-4.7/cpp-honor-sysroot.patch Normal file
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@@ -0,0 +1,40 @@
Currently, if the gcc toolchain is relocated and installed from sstate, then you try and compile
preprocessed source (.i or .ii files), the compiler will try and access the builtin sysroot location
rather than the --sysroot option specified on the commandline. If access to that directory is
permission denied (unreadable), gcc will error.
This happens when ccache is in use due to the fact it uses preprocessed source files.
The fix below adds %I to the cpp-output spec macro so the default substitutions for -iprefix,
-isystem, -isysroot happen and the correct sysroot is used.
[YOCTO #2074]
Upstream-Status: Pending
RP 2012/04/13
Index: gcc-4_6-branch/gcc/gcc.c
===================================================================
--- gcc-4_6-branch.orig/gcc/gcc.c 2012-04-13 12:24:37.939671140 +0000
+++ gcc-4_6-branch/gcc/gcc.c 2012-04-13 12:24:54.439670688 +0000
@@ -953,7 +953,7 @@
%W{o*:--output-pch=%*}}%V}}}}}}", 0, 0, 0},
{".i", "@cpp-output", 0, 0, 0},
{"@cpp-output",
- "%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %(cc1_options) %{!fsyntax-only:%(invoke_as)}}}}", 0, 0, 0},
+ "%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %I %(cc1_options) %{!fsyntax-only:%(invoke_as)}}}}", 0, 0, 0},
{".s", "@assembler", 0, 0, 0},
{"@assembler",
"%{!M:%{!MM:%{!E:%{!S:as %(asm_debug) %(asm_options) %i %A }}}}", 0, 0, 0},
Index: gcc-4_6-branch/gcc/cp/lang-specs.h
===================================================================
--- gcc-4_6-branch.orig/gcc/cp/lang-specs.h 2012-04-13 12:25:01.019670594 +0000
+++ gcc-4_6-branch/gcc/cp/lang-specs.h 2012-04-13 12:25:07.567670180 +0000
@@ -64,5 +64,5 @@
{".ii", "@c++-cpp-output", 0, 0, 0},
{"@c++-cpp-output",
"%{!M:%{!MM:%{!E:\
- cc1plus -fpreprocessed %i %(cc1_options) %2\
+ cc1plus -fpreprocessed %i %I %(cc1_options) %2\
%{!fsyntax-only:%(invoke_as)}}}}", 0, 0, 0},