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gcc: Add 4.9 recipes
(From OE-Core rev: f051216ea373f166016b15bbd2a2a6f136430372) (From OE-Core rev: d4573cb750bfde488682244d30266dfe675bac06) Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@@ -0,0 +1,40 @@
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The OE environment sets and exports CPP as being the target gcc. When building
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gcc-cross-canadian for a mingw targetted sdk, the following can be found in
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build.x86_64-pokysdk-mingw32.i586-poky-linux/build-x86_64-linux/libiberty/config.log:
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configure:3641: checking for _FILE_OFFSET_BITS value needed for large files
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configure:3666: gcc -c -isystem/media/build1/poky/build/tmp/sysroots/x86_64-linux/usr/include -O2 -pipe conftest.c >&5
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configure:3666: $? = 0
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configure:3698: result: no
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configure:3786: checking how to run the C preprocessor
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configure:3856: result: x86_64-pokysdk-mingw32-gcc -E --sysroot=/media/build1/poky/build/tmp/sysroots/x86_64-nativesdk-mingw32-pokysdk-mingw32
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configure:3876: x86_64-pokysdk-mingw32-gcc -E --sysroot=/media/build1/poky/build/tmp/sysroots/x86_64-nativesdk-mingw32-pokysdk-mingw32 conftest.c
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configure:3876: $? = 0
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Note this is a *build* target (in build-x86_64-linux) so it should be using
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the host "gcc", not x86_64-pokysdk-mingw32-gcc. Since the mingw32 headers are
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very different, using the wrong cpp is a real problem. It is leaking into
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configure through the CPP variable. Ultimately this leads to build failures
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related to not being able to include a process.h file for pem-unix.c.
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The fix is to ensure we export a sane CPP value into the build environment when
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using build targets. We could define a CPP_FOR_BUILD value which may be the version
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which needs to be upstreamed but for now, this fix is good enough to avoid the
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problem.
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RP 22/08/2013
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Upstream-Status: Pending
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Index: gcc-4.8.1/Makefile.in
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===================================================================
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--- gcc-4.8.1.orig/Makefile.in 2013-03-30 11:25:03.000000000 +0000
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+++ gcc-4.8.1/Makefile.in 2013-08-13 12:03:17.151988882 +0000
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@@ -149,6 +149,7 @@
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AR="$(AR_FOR_BUILD)"; export AR; \
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AS="$(AS_FOR_BUILD)"; export AS; \
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CC="$(CC_FOR_BUILD)"; export CC; \
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+ CPP="$(CC_FOR_BUILD) -E"; export CPP; \
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CFLAGS="$(CFLAGS_FOR_BUILD)"; export CFLAGS; \
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CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
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CXX="$(CXX_FOR_BUILD)"; export CXX; \
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