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android_kernel_samsung_sm8650/build.config.x86_64

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ANDROID: refactor build.config files to remove duplication The build.config.* files largely contain duplicate information by their nature. Reorganize them reduce duplication and to allow adding new configurations without copying the definitions again. Bug: 140224784 Change-Id: I6a3810a125b0ed48591690ca33bb5c02be58218a Signed-off-by: Matthias Maennich <maennich@google.com>
2019-08-29 20:34:52 +09:00
ARCH=x86_64
ANDROID: enable LLVM_IAS=1 for clang's integrated assembler for x86_64 Step 8 of: https://android.googlesource.com/platform/prebuilts/clang/host/linux-x86/+/master/BINUTILS_KERNEL_DEPRECATION.md Bug: 141693040 Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Change-Id: I9d1621f6484c0402a7518ffb12a3f8f3815f43a9
2020-11-12 08:56:00 +09:00
LLVM_IAS=1
Revert "ANDROID: Kbuild, LLVMLinux: allow overriding clang target triple" This reverts commit e145f7b10374662f03889c2dea0fdc14df7f1371. AOSP's distribution of GNU binutils always had a curious target triple prefix on the binaries. Now that GNU binutils is deprecated for Android Common Kernels, we can now remove this out of tree workaround. Now building Android kernels with LLVM matches upstream (see Documentation/kbuild/llvm.rst). Bug: 118439987 Bug: 120440614 Bug: 141693040 Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Change-Id: Iecaa3264a440f795f2f3a44bdf74fe28ad4ed1cc
2020-11-10 03:48:31 +09:00
CROSS_COMPILE=x86_64-linux-gnu-
ANDROID: move builds to use gas prebuilts Completes stage 5 of: https://android.googlesource.com/platform/prebuilts/clang/host/linux-x86/+/master/BINUTILS_KERNEL_DEPRECATION.md Bug: 141693040 Test: remove host binutils (easy for cross compiling, hard for host tools), rebuild multiple configs including cuttlefish configs which rely on these. Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Change-Id: Ia88f4f6572049c0173742aee95df824c0f31c050
2020-09-30 09:37:25 +09:00
LINUX_GCC_CROSS_COMPILE_PREBUILTS_BIN=prebuilts/gas/linux-x86
ANDROID: refactor build.config files to remove duplication The build.config.* files largely contain duplicate information by their nature. Reorganize them reduce duplication and to allow adding new configurations without copying the definitions again. Bug: 140224784 Change-Id: I6a3810a125b0ed48591690ca33bb5c02be58218a Signed-off-by: Matthias Maennich <maennich@google.com>
2019-08-29 20:34:52 +09:00
ANDROID: Specify MAKE_GOALS and optimize targets The default goals for an ARCH=arm64 kernel will build all of the dtb files available in the tree, and hard-codes the generation of a gzip-compressed Image artifact. For GKI, we want to support various compression methods (gz, lz4 and uncompressed) and this can be handled outside of kbuild where compressor flags can be tuned. Also, GKI does not need to build any dtb files because it is board-neutral, and in most cases the dtbs will come from downstream kernels, not ACK. On arm and aarch64, this suppresses the generation of the useless gzip compressed Image artifact, and dtbs on the gki configs, which do not make sense. The x86 defaults were already optimal but make them match aarch64. On db845c, this builds only the needed dtb file and a compressed artifact for backwards compatibility. Bug: 152546767 Change-Id: If90ea331fc7564358b77a777fb367d7d2f95e6a6 Signed-off-by: Alistair Delva <adelva@google.com>
2020-03-27 06:08:29 +09:00
MAKE_GOALS="
bzImage
modules
ANDROID: x86: Add objtool to MAKE_GOALS Prepare to enable LTO, which requires options that depends on objtool. Bug: 175705438 Signed-off-by: Alistair Delva <adelva@google.com> Change-Id: I830614180286b3e2222a5a445fb4db82658f6670
2021-01-25 10:22:51 +09:00
prepare-objtool
ANDROID: Specify MAKE_GOALS and optimize targets The default goals for an ARCH=arm64 kernel will build all of the dtb files available in the tree, and hard-codes the generation of a gzip-compressed Image artifact. For GKI, we want to support various compression methods (gz, lz4 and uncompressed) and this can be handled outside of kbuild where compressor flags can be tuned. Also, GKI does not need to build any dtb files because it is board-neutral, and in most cases the dtbs will come from downstream kernels, not ACK. On arm and aarch64, this suppresses the generation of the useless gzip compressed Image artifact, and dtbs on the gki configs, which do not make sense. The x86 defaults were already optimal but make them match aarch64. On db845c, this builds only the needed dtb file and a compressed artifact for backwards compatibility. Bug: 152546767 Change-Id: If90ea331fc7564358b77a777fb367d7d2f95e6a6 Signed-off-by: Alistair Delva <adelva@google.com>
2020-03-27 06:08:29 +09:00
"
ANDROID: refactor build.config files to remove duplication The build.config.* files largely contain duplicate information by their nature. Reorganize them reduce duplication and to allow adding new configurations without copying the definitions again. Bug: 140224784 Change-Id: I6a3810a125b0ed48591690ca33bb5c02be58218a Signed-off-by: Matthias Maennich <maennich@google.com>
2019-08-29 20:34:52 +09:00
FILES="
arch/x86/boot/bzImage
vmlinux
System.map
"
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