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authorJoe Perches <joe@perches.com>2018-08-20 23:15:26 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-21 00:12:38 +0300
commitcafa0010cd51fb711fdcb50fc55f394c5f167a0a (patch)
tree59035cd5f8e7ea85abdd5ce278e820257f4a0663 /Documentation/process/changes.rst
parentcc26ebbebde8548014d9329ac2f6cf0178181789 (diff)
downloadlinux-cafa0010cd51fb711fdcb50fc55f394c5f167a0a.tar.xz
Raise the minimum required gcc version to 4.6
Various architectures fail to build properly with older versions of the gcc compiler. An example from Guenter Roeck in thread [1]: > > In file included from ./include/linux/mm.h:17:0, > from ./include/linux/pid_namespace.h:7, > from ./include/linux/ptrace.h:10, > from arch/openrisc/kernel/asm-offsets.c:32: > ./include/linux/mm_types.h:497:16: error: flexible array member in otherwise empty struct > > This is just an example with gcc 4.5.1 for or32. I have seen the problem > with gcc 4.4 (for unicore32) as well. So update the minimum required version of gcc to 4.6. [1] https://lore.kernel.org/lkml/20180814170904.GA12768@roeck-us.net/ Miscellanea: - Update Documentation/process/changes.rst - Remove and consolidate version test blocks in compiler-gcc.h for versions lower than 4.6 Signed-off-by: Joe Perches <joe@perches.com> Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst
index 7a92a06f90de..61f918b10a0c 100644
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@@ -29,7 +29,7 @@ you probably needn't concern yourself with isdn4k-utils.
====================== =============== ========================================
Program Minimal version Command to check the version
====================== =============== ========================================
-GNU C 3.2 gcc --version
+GNU C 4.6 gcc --version
GNU make 3.81 make --version
binutils 2.20 ld -v
flex 2.5.35 flex --version