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* clang: Depend on clang runtime when using RUNTIME = "llvm" for native packagesKhem Raj2023-09-081-0/+1
| | | | | Signed-off-by: Khem Raj <raj.khem@gmail.com> (cherry picked from commit 77394fabd1fee7f4ea3a9358dfba7e94e6a98e8d)
* libcxx: Fix native buildKhem Raj2023-09-081-11/+13
| | | | | | | | | | | | | Use libgcc with clang-native to compile it Fixes #465 Signed-off-by: Khem Raj <raj.khem@gmail.com> (cherry picked from commit 4d066667c3cbba3b88d2f8d6c5640f5f793d10b4) Conflicts: - recipes-devtools/clang/libcxx_git.bb: Commit 93552c79eed5daa44a24bf4b7a063a2ade739e97 had some of the changes already.
* Use libgcc instead of compiler-rt on klibc appsKhem Raj2023-09-081-0/+2
| | | | | | | | | | | | | | klibc does not provide libssp functions e.g. __stack_chk_guard and __stack_chk_guard which it expects from libc and compiler-rt code tend to use these functions, so when using compiler-rt it ends up with undefined symbols e.g. /usr/lib/clang/13.0.0/lib/linux/libclang_rt.builtins-armhf.a(divmoddi4.c.o): in function `__divmoddi4': divmoddi4.c:(.text+0x70): undefined reference to `__stack_chk_fail' arm-yoe-linux-gnueabi-ld.bfd: divmoddi4.c:(.text+0x74): undefined reference to `__stack_chk_guard' Signed-off-by: Khem Raj <raj.khem@gmail.com> (cherry picked from commit bc2b5e4b874968745fdcfbcea43e2eb8eafa592e)
* clang: Do not force libgcc libunwind in rv32 and rv64Khem Raj2023-09-081-2/+0
| | | | | | | | llvm unwind can work on rv32 and rv64 with latest clang so open up that option Signed-off-by: Khem Raj <raj.khem@gmail.com> (cherry picked from commit bfad2060bcf17f26fff1e6dd760732d551794c2b)
* clang.bbclass: Limit using clang to target recipes onlyKhem Raj2023-09-081-9/+9
| | | | | | | | since toolchain-clang maybe available for native as well now, it means we have to ensure we do not use it for native recipes _yet_ Signed-off-by: Khem Raj <raj.khem@gmail.com> (cherry picked from commit 95b2e77c088aacaae58aa9157fc7b7bde82527c8)
* clang.bbclass: Adjust for clang default changesKhem Raj2023-09-081-7/+11
| | | | | | | | | | | | | | | | Now that clang can pass right options automatically when RUNTIME = "llvm", adjust the variables e.g. COMPILER_RT/UNWINDLIB/LIBCPLUSPLUS are no more required to be defaulted Disable enforcing gcc runtime for packages using gcc as its no longer needed here but is taken care by RUNTIME variable as an aside it also helps in building native and nativesdk llvm runtimes Compute right dependencies based on selected RUNTIME along with COMPILER_RT/UNWINDLIB/LIBCPLUSPLUS variables Signed-off-by: Khem Raj <raj.khem@gmail.com> (cherry picked from commit dc5e04e5819a5e7384ae48f1740ac82970a80b8f)
* scan-build.bbclass: Fix typoKhem Raj2023-09-081-1/+1
| | | | | Signed-off-by: Khem Raj <raj.khem@gmail.com> (cherry picked from commit da92b363e8b57c506250cd677436d1a44b163c98)
* clang.bbclass: Replace mcpu with mtune to match dunfellCaner Altinbasak2023-02-231-1/+1
| | | | | | | | dunfell meta/conf/machine/include/tune-cortexa57-cortexa53.inc defines mtune, not, mcpu. clang.bbclass attempts to remove these optimisations but it fails due to mismatch. Signed-off-by: Caner Altinbasak <cal@brightsign.biz>
* replace --rtlib with -rtlibKhem Raj2021-05-191-3/+3
| | | | | | This is advertised option from clang Signed-off-by: Khem Raj <raj.khem@gmail.com>
* Replace --stdlibc=libc++ with -stdlibc=libc++Khem Raj2021-05-191-2/+2
| | | | | | | | | This ensures that it matches with CMake's understanding of this option and when its removed then it silently removes -stdlibc=libc++ but leaves the spurious '-' in the commandline which confuses the compiler as it them expects input from stdin Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang.bbclass: Define CMAKE_CLANG_TIDY directly using ${HOST_PREFIX}clang-tidyKhem Raj2021-04-231-4/+1
| | | | | | | There is no need for exporting CLANG_TIDY, since its not a standard variable Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang: Replace mtune with mcpu to match oe-coreKhem Raj2021-01-261-5/+5
| | | | | | Fixes Issue #415 Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang.bbclass: Set CCACHE_COMPILERCHECK as default valueMike Crowe2021-01-251-1/+1
| | | | | | | | | | | | | oe-core's ccache.bbclass contains: export CCACHE_COMPILERCHECK ?= "%compiler% -dumpspecs" which sets a default value and allows others to easily override the value of CCACHE_COMPILERCHECK if they wish to. Let's update clang.bbclass to also set only the default value of CCACHE_COMPILERCHECK too. Signed-off-by: Mike Crowe <mac@mcrowe.com>
* clang.bbclass: Remove -mcpu option for the octeontx2 coreKevin Hao2021-01-041-0/+3
| | | | | | | | | | The tune file for octeontx2 has been added into oe-core by commit ad4f82742c6f ("tune-octeontx2.inc: Add tune for Marvell OCTEON TX2 core"). But the clang doesn't support this core yet. So remove the -mcpu from the TUNE_CCARGS to fix the build failure for the octeontx2 core. Signed-off-by: Kevin Hao <kexin.hao@windriver.com>
* clang: Use lld for LTO linkKhem Raj2020-11-131-1/+2
| | | | | | | | | Core uses a dumb utility called dwarfsrcfiles to grok source file names and it assumes that .o and .a files are good old ELF files, that is not true when using LTO in which case it becomes IR code, this tool starts to puke, therefore disable using this tool Signed-off-by: Khem Raj <raj.khem@gmail.com>
* lto: Override LTO variable from oe-core for thin-ltoKhem Raj2020-11-132-7/+2
| | | | | | If thin-lto is used in DISTRO_FEATURES then enable thin-lto Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang.bbclass: Use -mno-relax with clang for riscvKhem Raj2020-11-131-0/+4
| | | | | | lld yet does not work relaxation so accomodate for that so LTO can work Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang: Use python3 explicitly in scriptsKhem Raj2020-10-151-0/+9
| | | | Signed-off-by: Khem Raj <raj.khem@gmail.com>
* classes/clang.bbclass: Remove -mmusl flag from toolchain.cmake.Leon Woestenberg2020-09-301-0/+1
| | | | | | | | | | The -mmusl flag is GCC specific, Clang supports MUSL differently. Prevents clang-11: error: unknown argument: '-mmusl' Verified it does not affect the GCC toolchain.cmake build. Signed-off-by: Leon Woestenberg <leon@sidebranch.com>
* clang: usrmerge workaroundOleksandr Ocheretnyi2020-07-021-0/+2
| | | | | | | | | | | | | | | |  * issue:     the openembedded-core build procedure relies on changed default dynamic loader path when the usrmerge distro feature turned on. As we can find the GCC which is used as default toolchain uses SYSTEMLIBS_DIR macro variable set to /usr/(lib|lib64) at build time and hardcodes the binaries with that default loader path.  * solution:     change the default dynamic loader location with --dyld-prefix clang option to conform the loader location (as GCC does) to openembedded-core build procedure. Signed-off-by: Oleksandr Ocheretnyi <oocheret@cisco.com>
* clang.bbclass: Define -target in HOST_CC_ARCHKhem Raj2020-05-161-0/+1
| | | | | | | This helps extra tools like clang-tidy to find arch-specific macros, headers in a cross compile environment. Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang.bbclass: Define CLANG_TIDY and extend it to cmake as wellKhem Raj2020-05-161-1/+8
| | | | Signed-off-by: Khem Raj <raj.khem@gmail.com>
* cmake-native.bbclass: remove reset of CCACHEKai Kang2020-05-151-3/+0
| | | | | | | | | | It reset variable CCACHE to disable ccache. But that doesn't effect that CCACHE is set in an anonymous function from ccache.bbclass at last and ccache is always not disabled with cmake. Remove these useless piece of code. Signed-off-by: Kai Kang <kai.kang@windriver.com>
* clang.bbclass: override CCACHE_COMPILERCHECKKai Kang2020-05-151-0/+1
| | | | | | | | | | | | It fails to build compiler-rt when ccache is enabled: | ccache: error: Failure running compiler check command: %compiler% -dumpspecs Because clang doesn't recognize option '-dumpspecs' from default value of CCACHE_COMPILERCHECK, override CCACHE_COMPILERCHECK for toolchain clang in clang.bbclass. Signed-off-by: Kai Kang <kai.kang@windriver.com>
* clang.bbclass: Handle big.LITTLE mtune options on arm/aarch64Khem Raj2020-04-231-0/+7
| | | | | | | | | | | Clang does not yet support big.LITTLE performance tunes, so use the LITTLE for tunes see [1] Fixes Issue #313 [1] https://reviews.llvm.org/D32076 Signed-off-by: Khem Raj <raj.khem@gmail.com>
* recipes: Do not Add -Wno-error=unused-command-line-argument globallyKhem Raj2020-03-161-1/+1
| | | | | | | This option can turn Valid options into warnings and cause unintended behaviour Signed-off-by: Khem Raj <raj.khem@gmail.com>
* cmake-native.bbclass: Add include and libdir from native sysrootKhem Raj2020-02-211-0/+8
| | | | Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang: Use 64bit long double on musl/ppc64leKhem Raj2020-01-231-0/+1
| | | | Signed-off-by: Khem Raj <raj.khem@gmail.com>
* armeb: Disable compiler-rtKhem Raj2019-11-201-0/+3
| | | | | | compile-rt is not fully ported for ARM big-endian therefore disable it Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang.bbclass: Define RUNTIME variable to select compiler runtimeKhem Raj2019-11-181-6/+8
| | | | | | | RUNTIME can be 'llvm' or 'gnu' defaults to 'gnu' Use this variable for selecting stdc++ and c runtime Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang: Merge libunwind back into libcxxKhem Raj2019-10-091-15/+2
| | | | | | | | Do not export libunwind to other recipes besides libcxx itself, we use non-gnu libunwind on linux in general and its not a drop in replacement as of yet Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang: Remove editing THUMB_TUNE_CCARGSKhem Raj2019-10-021-1/+0
| | | | | | THUMB_TUNE_CCARGS is gone from oe-core Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang-runtime: Use INHIBIT_DEFAULT_DEPS = "1"Khem Raj2019-10-011-4/+10
| | | | | | | This ensures that clang-runtime elements e.g. llvm-libunwind can be used with gcc as well Signed-off-by: Khem Raj <raj.khem@gmail.com>
* llvm-libunwind: Fix linunwind providersKhem Raj2019-09-281-0/+8
| | | | | | | | | | | | libunwind can be either nongnu libunwind ( from OE-Core ) or from llvm and when using clang and using --unwindlib=libunwind we know we have to use llvm libunwind implementation, so remove libunwind from DEPENDS and add llvm-libunwind to depends Drop providing libunwind from llvm-libunwind since its not needed anymore Signed-off-by: Khem Raj <raj.khem@gmail.com>
* runtime: Automatically add llvm-libunwind based on COMPILER_RT asking for ↵Khem Raj2019-09-281-6/+2
| | | | | | --unwindlib=libunwind Signed-off-by: Khem Raj <raj.khem@gmail.com>
* llvm-libunwind: New reecipe for llvm unwinder split from libcxxKhem Raj2019-09-191-1/+1
| | | | | | | Its easier to provide it as replacement for nongnu libunwind bundled into libcxx was getting harder when it came to replacement Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang.bbclass: Do not set LIBCPLUSPLUS and COMPILER_RT when compiler != clangKhem Raj2019-09-181-5/+12
| | | | | | | | | | | | | * Add compiler-rt and libcxx only when these libs are used via cmdline * libffi still need to disable internal asm on arm <= v6 * Add compiler-rt to linker only when compiler-rt is used in compiler cmdline * Set BASE_DEFAULT_DEPS instead of munging BASEEDEPENDS directly Signed-off-by: Khem Raj <raj.khem@gmail.com>
* scan-build: Limit scans to target recipes onlyKhem Raj2019-09-161-24/+27
| | | | | | | | Add a blacklist for scanning, add packages which are not scannable Add --force-analyze-debug-code and -analyze-headers to default set of scan options Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang.bbclass: compiler-rt does not compile for ppc32Khem Raj2019-09-021-0/+1
| | | | | | Use libgcc Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang.bbclass: Use -mlong-double-64 on ppc64/muslKhem Raj2019-09-021-0/+1
| | | | Signed-off-by: Khem Raj <raj.khem@gmail.com>
* libcxx: Disable llvm libunwind when using gcc as system compilerKhem Raj2019-08-201-1/+2
| | | | Signed-off-by: Khem Raj <raj.khem@gmail.com>
* libcxx: Provide libunwind and fix risv supportKhem Raj2019-08-121-2/+10
| | | | | | Use llvm libunwind as default for clang toolchain Signed-off-by: Khem Raj <raj.khem@gmail.com>
* libcxx,compiler-rt: Add --unwindlib=libunwind to COMPILER_RTKhem Raj2019-08-121-1/+1
| | | | | | | This is new way of enabling llvm unwinder as default unwinder now build shared libunwind which is needed for new option Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang:bbclass: Do not use compiler-rt/libcxx for recipes which use gccKhem Raj2019-03-031-0/+3
| | | | Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang.bbclass: Redefine ar/nm/ranlibKhem Raj2019-02-251-0/+3
| | | | | | | | OE-core now points to gcc-* variants of these variables which will not be installed when a package is built with clang moreover llvm version would be needed for thin-lto to work anyway Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang.bbclass: Define COMPILER_RT and LIBCPLUSPLUSKhem Raj2019-02-231-0/+6
| | | | | | | LIBCPLUSPLUS and COMPILER_RT are variables to indicate if clang c/c++ runtime should be used as well or not Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang.bbclass: Remove compilerlibs from BASEDEPENDSKhem Raj2019-02-231-1/+1
| | | | | | We do not need it when using clang Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang.bbclass: Set nativesk ldso location correctly during linkKhem Raj2019-02-111-3/+8
| | | | | | | | | | Add aarch64 host support Enable lld via LDFLGS instead of TOOLCHAIN_FLAGS which also get passed to compiler Add relative rpaths so the liraries from SDK sysroot are preferred over sdk host when SDK is used Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang: Fix nativesdk builds to use clang-nativeKhem Raj2019-02-111-0/+4
| | | | | | | | | | - User lld for linking nativesdk-clang - Enable LTO to build nativesdk-clang - Use -static-libgcc when using gold/lld for nativesdk clang build - Use llvm wrappers for ar ranlib and nm to help LTO - Package and create cross versions of lld Signed-off-by: Khem Raj <raj.khem@gmail.com>
* clang: Enable LTO and lld based on distro knobsKhem Raj2019-02-092-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | Add to local.conf or distro config the following to enable lto flavors and lld linker DISTRO_FEATURES += "thin-lto" DISTRO_FEATURES += "full-lto" DISTRO_FEATURES += "lld" Add lto.bbclass To enable LTO is currently per recipe, or globally to enable globally add following to global config meta-data e.g. local.conf INHRIT += "lto" other-wise enable LTO per recipe using inherit lto to recipe via bbappend or in main recipe Signed-off-by: Khem Raj <raj.khem@gmail.com>
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