diff options
Diffstat (limited to 'tools/build/feature')
47 files changed, 466 insertions, 315 deletions
diff --git a/tools/build/feature/.gitignore b/tools/build/feature/.gitignore index 09b335b98842..15fcd34acdb9 100644 --- a/tools/build/feature/.gitignore +++ b/tools/build/feature/.gitignore @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only *.d *.bin *.output diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile index 7ceb4441b627..87a5a908d6fa 100644 --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -1,37 +1,41 @@ # SPDX-License-Identifier: GPL-2.0 +include ../../scripts/Makefile.include + FILES= \ test-all.bin \ test-backtrace.bin \ test-bionic.bin \ - test-dwarf.bin \ - test-dwarf_getlocations.bin \ + test-libdw.bin \ test-eventfd.bin \ test-fortify-source.bin \ - test-sync-compare-and-swap.bin \ - test-get_current_dir_name.bin \ test-glibc.bin \ test-gtk2.bin \ test-gtk2-infobar.bin \ test-hello.bin \ - test-libaudit.bin \ test-libbfd.bin \ + test-libbfd-buildid.bin \ test-disassembler-four-args.bin \ + test-disassembler-init-styled.bin \ test-reallocarray.bin \ test-libbfd-liberty.bin \ test-libbfd-liberty-z.bin \ test-cplus-demangle.bin \ + test-cxa-demangle.bin \ + test-libcap.bin \ test-libelf.bin \ test-libelf-getphdrnum.bin \ test-libelf-gelf_getnote.bin \ test-libelf-getshdrstrndx.bin \ - test-libelf-mmap.bin \ + test-libelf-zstd.bin \ + test-libdebuginfod.bin \ test-libnuma.bin \ test-numa_num_possible_cpus.bin \ test-libperl.bin \ test-libpython.bin \ - test-libpython-version.bin \ test-libslang.bin \ - test-libcrypto.bin \ + test-libtraceevent.bin \ + test-libcpupower.bin \ + test-libtracefs.bin \ test-libunwind.bin \ test-libunwind-debug-frame.bin \ test-libunwind-x86.bin \ @@ -44,37 +48,65 @@ FILES= \ test-pthread-barrier.bin \ test-stackprotector-all.bin \ test-timerfd.bin \ - test-libdw-dwarf-unwind.bin \ test-libbabeltrace.bin \ + test-libcapstone.bin \ test-compile-32.bin \ test-compile-x32.bin \ test-zlib.bin \ test-lzma.bin \ test-bpf.bin \ - test-get_cpuid.bin \ + test-libbpf.bin \ test-sdt.bin \ test-cxx.bin \ + test-gettid.bin \ test-jvmti.bin \ test-jvmti-cmlr.bin \ + test-scandirat.bin \ test-sched_getcpu.bin \ test-setns.bin \ test-libopencsd.bin \ test-clang.bin \ test-llvm.bin \ - test-llvm-version.bin \ - test-libaio.bin + test-llvm-perf.bin \ + test-libaio.bin \ + test-libzstd.bin \ + test-clang-bpf-co-re.bin \ + test-file-handle.bin \ + test-libpfm4.bin FILES := $(addprefix $(OUTPUT),$(FILES)) -CC ?= $(CROSS_COMPILE)gcc -CXX ?= $(CROSS_COMPILE)g++ -PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config -LLVM_CONFIG ?= llvm-config +# Some distros provide the command $(CROSS_COMPILE)pkg-config for +# searching packges installed with Multiarch. Use it for cross +# compilation if it is existed. +ifneq (, $(shell which $(CROSS_COMPILE)pkg-config)) + PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config +else + PKG_CONFIG ?= pkg-config + + # PKG_CONFIG_PATH or PKG_CONFIG_LIBDIR, alongside PKG_CONFIG_SYSROOT_DIR + # for modified system root, are required for the cross compilation. + # If these PKG_CONFIG environment variables are not set, Multiarch library + # paths are used instead. + ifdef CROSS_COMPILE + ifeq ($(PKG_CONFIG_LIBDIR)$(PKG_CONFIG_PATH)$(PKG_CONFIG_SYSROOT_DIR),) + CROSS_ARCH = $(notdir $(CROSS_COMPILE:%-=%)) + PKG_CONFIG_LIBDIR := /usr/local/$(CROSS_ARCH)/lib/pkgconfig/ + PKG_CONFIG_LIBDIR := $(PKG_CONFIG_LIBDIR):/usr/local/lib/$(CROSS_ARCH)/pkgconfig/ + PKG_CONFIG_LIBDIR := $(PKG_CONFIG_LIBDIR):/usr/lib/$(CROSS_ARCH)/pkgconfig/ + PKG_CONFIG_LIBDIR := $(PKG_CONFIG_LIBDIR):/usr/local/share/pkgconfig/ + PKG_CONFIG_LIBDIR := $(PKG_CONFIG_LIBDIR):/usr/share/pkgconfig/ + export PKG_CONFIG_LIBDIR + endif + endif +endif all: $(FILES) __BUILD = $(CC) $(CFLAGS) -MD -Wall -Werror -o $@ $(patsubst %.bin,%.c,$(@F)) $(LDFLAGS) BUILD = $(__BUILD) > $(@:.bin=.make.output) 2>&1 + BUILD_BFD = $(BUILD) -DPACKAGE='"perf"' -lbfd -ldl + BUILD_ALL = $(BUILD) -fstack-protector-all -O2 -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -lslang $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -ldl -lz -llzma -lzstd __BUILDXX = $(CXX) $(CXXFLAGS) -MD -Wall -Werror -o $@ $(patsubst %.bin,%.cpp,$(@F)) $(LDFLAGS) BUILDXX = $(__BUILDXX) > $(@:.bin=.make.output) 2>&1 @@ -82,7 +114,7 @@ __BUILDXX = $(CXX) $(CXXFLAGS) -MD -Wall -Werror -o $@ $(patsubst %.bin,%.cpp,$( ############################### $(OUTPUT)test-all.bin: - $(BUILD) -fstack-protector-all -O2 -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -laudit -I/usr/include/slang -lslang $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl -lz -llzma + $(BUILD_ALL) $(OUTPUT)test-hello.bin: $(BUILD) @@ -102,16 +134,19 @@ $(OUTPUT)test-fortify-source.bin: $(OUTPUT)test-bionic.bin: $(BUILD) +$(OUTPUT)test-libcap.bin: + $(BUILD) -lcap + $(OUTPUT)test-libelf.bin: $(BUILD) -lelf $(OUTPUT)test-eventfd.bin: $(BUILD) -$(OUTPUT)test-get_current_dir_name.bin: +$(OUTPUT)test-glibc.bin: $(BUILD) -$(OUTPUT)test-glibc.bin: +$(OUTPUT)test-scandirat.bin: $(BUILD) $(OUTPUT)test-sched_getcpu.bin: @@ -124,19 +159,26 @@ $(OUTPUT)test-libopencsd.bin: $(BUILD) # -lopencsd_c_api -lopencsd provided by # $(FEATURE_CHECK_LDFLAGS-libopencsd) -DWARFLIBS := -ldw +DWLIBS := -ldw ifeq ($(findstring -static,${LDFLAGS}),-static) -DWARFLIBS += -lelf -lebl -lz -llzma -lbz2 -endif + DWLIBS += -lelf -lz -llzma -lbz2 -lzstd -$(OUTPUT)test-dwarf.bin: - $(BUILD) $(DWARFLIBS) + LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0 + LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION))) + LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION))) -$(OUTPUT)test-dwarf_getlocations.bin: - $(BUILD) $(DWARFLIBS) + # Elfutils merged libebl.a into libdw.a starting from version 0.177, + # Link libebl.a only if libdw is older than this version. + ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0) + DWLIBS += -lebl + endif -$(OUTPUT)test-libelf-mmap.bin: - $(BUILD) -lelf + # Must put -ldl after -lebl for dependency + DWARFLIBS += -ldl +endif + +$(OUTPUT)test-libdw.bin: + $(BUILD) $(DWLIBS) $(OUTPUT)test-libelf-getphdrnum.bin: $(BUILD) -lelf @@ -147,6 +189,12 @@ $(OUTPUT)test-libelf-gelf_getnote.bin: $(OUTPUT)test-libelf-getshdrstrndx.bin: $(BUILD) -lelf +$(OUTPUT)test-libelf-zstd.bin: + $(BUILD) -lelf -lz -lzstd + +$(OUTPUT)test-libdebuginfod.bin: + $(BUILD) -ldebuginfod + $(OUTPUT)test-libnuma.bin: $(BUILD) -lnuma @@ -154,39 +202,42 @@ $(OUTPUT)test-numa_num_possible_cpus.bin: $(BUILD) -lnuma $(OUTPUT)test-libunwind.bin: - $(BUILD) -lelf + $(BUILD) -lelf -llzma $(OUTPUT)test-libunwind-debug-frame.bin: - $(BUILD) -lelf + $(BUILD) -lelf -llzma $(OUTPUT)test-libunwind-x86.bin: - $(BUILD) -lelf -lunwind-x86 + $(BUILD) -lelf -llzma -lunwind-x86 $(OUTPUT)test-libunwind-x86_64.bin: - $(BUILD) -lelf -lunwind-x86_64 + $(BUILD) -lelf -llzma -lunwind-x86_64 $(OUTPUT)test-libunwind-arm.bin: - $(BUILD) -lelf -lunwind-arm + $(BUILD) -lelf -llzma -lunwind-arm $(OUTPUT)test-libunwind-aarch64.bin: - $(BUILD) -lelf -lunwind-aarch64 + $(BUILD) -lelf -llzma -lunwind-aarch64 $(OUTPUT)test-libunwind-debug-frame-arm.bin: - $(BUILD) -lelf -lunwind-arm + $(BUILD) -lelf -llzma -lunwind-arm $(OUTPUT)test-libunwind-debug-frame-aarch64.bin: - $(BUILD) -lelf -lunwind-aarch64 - -$(OUTPUT)test-libaudit.bin: - $(BUILD) -laudit + $(BUILD) -lelf -llzma -lunwind-aarch64 $(OUTPUT)test-libslang.bin: - $(BUILD) -I/usr/include/slang -lslang + $(BUILD) -lslang + +$(OUTPUT)test-libtraceevent.bin: + $(BUILD) -ltraceevent + +$(OUTPUT)test-libcpupower.bin: + $(BUILD) -lcpupower -$(OUTPUT)test-libcrypto.bin: - $(BUILD) -lcrypto +$(OUTPUT)test-libtracefs.bin: + $(BUILD) $(shell $(PKG_CONFIG) --cflags libtracefs 2>/dev/null) -ltracefs $(OUTPUT)test-gtk2.bin: - $(BUILD) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) + $(BUILD) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) -Wno-deprecated-declarations $(OUTPUT)test-gtk2-infobar.bin: $(BUILD) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null) @@ -197,23 +248,35 @@ strip-libs = $(filter-out -l%,$(1)) PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null) PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS)) PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS)) -PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null` +PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null) FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS) +ifeq ($(CC_NO_CLANG), 0) + PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS)) + PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS)) + PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS)) + FLAGS_PERL_EMBED += -Wno-compound-token-split-by-macro +endif + $(OUTPUT)test-libperl.bin: $(BUILD) $(FLAGS_PERL_EMBED) $(OUTPUT)test-libpython.bin: $(BUILD) $(FLAGS_PYTHON_EMBED) -$(OUTPUT)test-libpython-version.bin: - $(BUILD) - $(OUTPUT)test-libbfd.bin: - $(BUILD) -DPACKAGE='"perf"' -lbfd -ldl + $(BUILD_BFD) + +$(OUTPUT)test-libbfd-buildid.bin: + $(BUILD_BFD) || $(BUILD_BFD) -liberty || $(BUILD_BFD) -liberty -lz $(OUTPUT)test-disassembler-four-args.bin: - $(BUILD) -DPACKAGE='"perf"' -lbfd -lopcodes + $(BUILD_BFD) -lopcodes || $(BUILD_BFD) -lopcodes -liberty || \ + $(BUILD_BFD) -lopcodes -liberty -lz + +$(OUTPUT)test-disassembler-init-styled.bin: + $(BUILD_BFD) -lopcodes || $(BUILD_BFD) -lopcodes -liberty || \ + $(BUILD_BFD) -lopcodes -liberty -lz $(OUTPUT)test-reallocarray.bin: $(BUILD) @@ -227,26 +290,26 @@ $(OUTPUT)test-libbfd-liberty-z.bin: $(OUTPUT)test-cplus-demangle.bin: $(BUILD) -liberty +$(OUTPUT)test-cxa-demangle.bin: + $(BUILDXX) + $(OUTPUT)test-backtrace.bin: $(BUILD) $(OUTPUT)test-timerfd.bin: $(BUILD) -$(OUTPUT)test-libdw-dwarf-unwind.bin: - $(BUILD) # -ldw provided by $(FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind) - $(OUTPUT)test-libbabeltrace.bin: $(BUILD) # -lbabeltrace provided by $(FEATURE_CHECK_LDFLAGS-libbabeltrace) -$(OUTPUT)test-sync-compare-and-swap.bin: - $(BUILD) +$(OUTPUT)test-libcapstone.bin: + $(BUILD) # -lcapstone provided by $(FEATURE_CHECK_LDFLAGS-libcapstone) $(OUTPUT)test-compile-32.bin: - $(CC) -m32 -o $@ test-compile.c + $(CC) -m32 -Wall -Werror -o $@ test-compile.c $(OUTPUT)test-compile-x32.bin: - $(CC) -mx32 -o $@ test-compile.c + $(CC) -mx32 -Wall -Werror -o $@ test-compile.c $(OUTPUT)test-zlib.bin: $(BUILD) -lz @@ -254,18 +317,21 @@ $(OUTPUT)test-zlib.bin: $(OUTPUT)test-lzma.bin: $(BUILD) -llzma -$(OUTPUT)test-get_cpuid.bin: - $(BUILD) - $(OUTPUT)test-bpf.bin: $(BUILD) +$(OUTPUT)test-libbpf.bin: + $(BUILD) -lbpf + $(OUTPUT)test-sdt.bin: $(BUILD) $(OUTPUT)test-cxx.bin: $(BUILDXX) -std=gnu++11 +$(OUTPUT)test-gettid.bin: + $(BUILD) + $(OUTPUT)test-jvmti.bin: $(BUILD) @@ -273,25 +339,26 @@ $(OUTPUT)test-jvmti-cmlr.bin: $(BUILD) $(OUTPUT)test-llvm.bin: - $(BUILDXX) -std=gnu++11 \ + $(BUILDXX) -std=gnu++17 \ -I$(shell $(LLVM_CONFIG) --includedir) \ -L$(shell $(LLVM_CONFIG) --libdir) \ $(shell $(LLVM_CONFIG) --libs Core BPF) \ $(shell $(LLVM_CONFIG) --system-libs) \ > $(@:.bin=.make.output) 2>&1 -$(OUTPUT)test-llvm-version.bin: - $(BUILDXX) -std=gnu++11 \ - -I$(shell $(LLVM_CONFIG) --includedir) \ +$(OUTPUT)test-llvm-perf.bin: + $(BUILDXX) -std=gnu++17 \ + -I$(shell $(LLVM_CONFIG) --includedir) \ + -L$(shell $(LLVM_CONFIG) --libdir) \ + $(shell $(LLVM_CONFIG) --libs Core BPF) \ + $(shell $(LLVM_CONFIG) --system-libs) \ > $(@:.bin=.make.output) 2>&1 $(OUTPUT)test-clang.bin: - $(BUILDXX) -std=gnu++11 \ + $(BUILDXX) -std=gnu++17 \ -I$(shell $(LLVM_CONFIG) --includedir) \ -L$(shell $(LLVM_CONFIG) --libdir) \ - -Wl,--start-group -lclangBasic -lclangDriver \ - -lclangFrontend -lclangEdit -lclangLex \ - -lclangAST -Wl,--end-group \ + -Wl,--start-group -lclang-cpp -Wl,--end-group \ $(shell $(LLVM_CONFIG) --libs Core option) \ $(shell $(LLVM_CONFIG) --system-libs) \ > $(@:.bin=.make.output) 2>&1 @@ -301,6 +368,22 @@ $(OUTPUT)test-clang.bin: $(OUTPUT)test-libaio.bin: $(BUILD) -lrt +$(OUTPUT)test-libzstd.bin: + $(BUILD) -lzstd + +$(OUTPUT)test-clang-bpf-co-re.bin: + $(CLANG) -S -g --target=bpf -o - $(patsubst %.bin,%.c,$(@F)) | \ + grep BTF_KIND_VAR + +$(OUTPUT)test-file-handle.bin: + $(BUILD) + +$(OUTPUT)test-libpfm4.bin: + $(BUILD) -lpfm + +$(OUTPUT)test-bpftool-skeletons.bin: + $(SYSTEM_BPFTOOL) version | grep '^features:.*skeletons' \ + > $(@:.bin=.make.output) 2>&1 ############################### clean: diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c index 20cdaa4fc112..eb346160d0ba 100644 --- a/tools/build/feature/test-all.c +++ b/tools/build/feature/test-all.c @@ -7,21 +7,13 @@ */ /* - * Quirk: Python and Perl headers cannot be in arbitrary places, so keep - * these 3 testcases at the top: + * Quirk: Python headers cannot be in arbitrary places, so keep this testcase at + * the top: */ #define main main_test_libpython # include "test-libpython.c" #undef main -#define main main_test_libpython_version -# include "test-libpython-version.c" -#undef main - -#define main main_test_libperl -# include "test-libperl.c" -#undef main - #define main main_test_hello # include "test-hello.c" #undef main @@ -30,24 +22,16 @@ # include "test-libelf.c" #undef main -#define main main_test_libelf_mmap -# include "test-libelf-mmap.c" -#undef main - -#define main main_test_get_current_dir_name -# include "test-get_current_dir_name.c" +#define main main_test_gettid +# include "test-gettid.c" #undef main #define main main_test_glibc # include "test-glibc.c" #undef main -#define main main_test_dwarf -# include "test-dwarf.c" -#undef main - -#define main main_test_dwarf_getlocations -# include "test-dwarf_getlocations.c" +#define main main_test_libdw +# include "test-libdw.c" #undef main #define main main_test_eventfd @@ -66,30 +50,14 @@ # include "test-libelf-getshdrstrndx.c" #undef main -#define main main_test_libunwind -# include "test-libunwind.c" -#undef main - -#define main main_test_libaudit -# include "test-libaudit.c" +#define main main_test_libelf_zstd +# include "test-libelf-zstd.c" #undef main #define main main_test_libslang # include "test-libslang.c" #undef main -#define main main_test_gtk2 -# include "test-gtk2.c" -#undef main - -#define main main_test_gtk2_infobar -# include "test-gtk2-infobar.c" -#undef main - -#define main main_test_libbfd -# include "test-libbfd.c" -#undef main - #define main main_test_backtrace # include "test-backtrace.c" #undef main @@ -110,14 +78,6 @@ # include "test-stackprotector-all.c" #undef main -#define main main_test_libdw_dwarf_unwind -# include "test-libdw-dwarf-unwind.c" -#undef main - -#define main main_test_sync_compare_and_swap -# include "test-sync-compare-and-swap.c" -#undef main - #define main main_test_zlib # include "test-zlib.c" #undef main @@ -130,6 +90,10 @@ # include "test-pthread-barrier.c" #undef main +#define main main_test_scandirat +# include "test-scandirat.c" +#undef main + #define main main_test_sched_getcpu # include "test-sched_getcpu.c" #undef main @@ -150,18 +114,10 @@ # include "test-lzma.c" #undef main -#define main main_test_get_cpuid -# include "test-get_cpuid.c" -#undef main - #define main main_test_bpf # include "test-bpf.c" #undef main -#define main main_test_libcrypto -# include "test-libcrypto.c" -#undef main - #define main main_test_sdt # include "test-sdt.c" #undef main @@ -170,55 +126,53 @@ # include "test-setns.c" #undef main -#define main main_test_libopencsd -# include "test-libopencsd.c" -#undef main - #define main main_test_libaio # include "test-libaio.c" #undef main +#define main main_test_reallocarray +# include "test-reallocarray.c" +#undef main + +#define main main_test_libzstd +# include "test-libzstd.c" +#undef main + +#define main main_test_libtraceevent +# include "test-libtraceevent.c" +#undef main + int main(int argc, char *argv[]) { main_test_libpython(); - main_test_libpython_version(); - main_test_libperl(); main_test_hello(); main_test_libelf(); - main_test_libelf_mmap(); - main_test_get_current_dir_name(); + main_test_gettid(); main_test_glibc(); - main_test_dwarf(); - main_test_dwarf_getlocations(); + main_test_libdw(); main_test_eventfd(); main_test_libelf_getphdrnum(); main_test_libelf_gelf_getnote(); main_test_libelf_getshdrstrndx(); - main_test_libunwind(); - main_test_libaudit(); main_test_libslang(); - main_test_gtk2(argc, argv); - main_test_gtk2_infobar(argc, argv); - main_test_libbfd(); main_test_backtrace(); main_test_libnuma(); main_test_numa_num_possible_cpus(); main_test_timerfd(); main_test_stackprotector_all(); - main_test_libdw_dwarf_unwind(); - main_test_sync_compare_and_swap(argc, argv); main_test_zlib(); main_test_pthread_attr_setaffinity_np(); main_test_pthread_barrier(); main_test_lzma(); - main_test_get_cpuid(); main_test_bpf(); - main_test_libcrypto(); + main_test_scandirat(); main_test_sched_getcpu(); main_test_sdt(); main_test_setns(); - main_test_libopencsd(); main_test_libaio(); + main_test_reallocarray(); + main_test_libzstd(); + main_test_libtraceevent(); return 0; } diff --git a/tools/build/feature/test-backtrace.c b/tools/build/feature/test-backtrace.c index e9ddd27c69c3..7962fbad6401 100644 --- a/tools/build/feature/test-backtrace.c +++ b/tools/build/feature/test-backtrace.c @@ -5,7 +5,7 @@ int main(void) { void *backtrace_fns[10]; - size_t entries; + int entries; entries = backtrace(backtrace_fns, 10); backtrace_symbols_fd(backtrace_fns, entries, 1); diff --git a/tools/build/feature/test-bpf.c b/tools/build/feature/test-bpf.c index 82070eadfc07..e7a405f83af6 100644 --- a/tools/build/feature/test-bpf.c +++ b/tools/build/feature/test-bpf.c @@ -14,6 +14,12 @@ # define __NR_bpf 349 # elif defined(__s390__) # define __NR_bpf 351 +# elif defined(__mips__) && defined(_ABIO32) +# define __NR_bpf 4355 +# elif defined(__mips__) && defined(_ABIN32) +# define __NR_bpf 6319 +# elif defined(__mips__) && defined(_ABI64) +# define __NR_bpf 5315 # else # error __NR_bpf not defined. libbpf does not support your arch. # endif @@ -38,5 +44,5 @@ int main(void) * Test existence of __NR_bpf and BPF_PROG_LOAD. * This call should fail if we run the testcase. */ - return syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr)); + return syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr)) == 0; } diff --git a/tools/build/feature/test-clang-bpf-co-re.c b/tools/build/feature/test-clang-bpf-co-re.c new file mode 100644 index 000000000000..cb5265bfdd83 --- /dev/null +++ b/tools/build/feature/test-clang-bpf-co-re.c @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2020 Facebook + +struct test { + int a; + int b; +} __attribute__((preserve_access_index)); + +volatile struct test global_value_for_test = {}; diff --git a/tools/build/feature/test-clang.cpp b/tools/build/feature/test-clang.cpp deleted file mode 100644 index a2b3f092d2f0..000000000000 --- a/tools/build/feature/test-clang.cpp +++ /dev/null @@ -1,22 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include "clang/Basic/VirtualFileSystem.h" -#include "clang/Driver/Driver.h" -#include "clang/Frontend/TextDiagnosticPrinter.h" -#include "llvm/ADT/IntrusiveRefCntPtr.h" -#include "llvm/Support/ManagedStatic.h" -#include "llvm/Support/raw_ostream.h" - -using namespace clang; -using namespace clang::driver; - -int main() -{ - IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs()); - IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions(); - - DiagnosticsEngine Diags(DiagID, &*DiagOpts); - Driver TheDriver("test", "bpf-pc-linux", Diags); - - llvm::llvm_shutdown(); - return 0; -} diff --git a/tools/build/feature/test-cxa-demangle.cpp b/tools/build/feature/test-cxa-demangle.cpp new file mode 100644 index 000000000000..a3e712f65c37 --- /dev/null +++ b/tools/build/feature/test-cxa-demangle.cpp @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <stdio.h> +#include <stdlib.h> +#include <cxxabi.h> + +int main(void) +{ + size_t len = 256; + char *output = (char*)malloc(len); + int status; + + output = abi::__cxa_demangle("FieldName__9ClassNameFd", output, &len, &status); + + printf("demangled symbol: {%s}\n", output); + + return 0; +} diff --git a/tools/build/feature/test-cxx.cpp b/tools/build/feature/test-cxx.cpp deleted file mode 100644 index 396aaedd2418..000000000000 --- a/tools/build/feature/test-cxx.cpp +++ /dev/null @@ -1,16 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <iostream> -#include <memory> - -static void print_str(std::string s) -{ - std::cout << s << std::endl; -} - -int main() -{ - std::string s("Hello World!"); - print_str(std::move(s)); - std::cout << "|" << s << "|" << std::endl; - return 0; -} diff --git a/tools/build/feature/test-disassembler-init-styled.c b/tools/build/feature/test-disassembler-init-styled.c new file mode 100644 index 000000000000..f1ce0ec3bee9 --- /dev/null +++ b/tools/build/feature/test-disassembler-init-styled.c @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <stdio.h> +#include <dis-asm.h> + +int main(void) +{ + struct disassemble_info info; + + init_disassemble_info(&info, stdout, + NULL, NULL); + + return 0; +} diff --git a/tools/build/feature/test-dwarf.c b/tools/build/feature/test-dwarf.c deleted file mode 100644 index 8d474bd7371b..000000000000 --- a/tools/build/feature/test-dwarf.c +++ /dev/null @@ -1,11 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <dwarf.h> -#include <elfutils/libdw.h> -#include <elfutils/version.h> - -int main(void) -{ - Dwarf *dbg = dwarf_begin(0, DWARF_C_READ); - - return (long)dbg; -} diff --git a/tools/build/feature/test-dwarf_getlocations.c b/tools/build/feature/test-dwarf_getlocations.c deleted file mode 100644 index 78fb4a1fa68c..000000000000 --- a/tools/build/feature/test-dwarf_getlocations.c +++ /dev/null @@ -1,13 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <stdlib.h> -#include <elfutils/libdw.h> - -int main(void) -{ - Dwarf_Addr base, start, end; - Dwarf_Attribute attr; - Dwarf_Op *op; - size_t nops; - ptrdiff_t offset = 0; - return (int)dwarf_getlocations(&attr, offset, &base, &start, &end, &op, &nops); -} diff --git a/tools/build/feature/test-file-handle.c b/tools/build/feature/test-file-handle.c new file mode 100644 index 000000000000..4d3b03b27a0b --- /dev/null +++ b/tools/build/feature/test-file-handle.c @@ -0,0 +1,17 @@ +#define _GNU_SOURCE +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <inttypes.h> + +int main(void) +{ + struct { + struct file_handle fh; + uint64_t cgroup_id; + } handle; + int mount_id; + + name_to_handle_at(AT_FDCWD, "/", &handle.fh, &mount_id, 0); + return 0; +} diff --git a/tools/build/feature/test-fortify-source.c b/tools/build/feature/test-fortify-source.c index c9f398d87868..c8a57194f9f2 100644 --- a/tools/build/feature/test-fortify-source.c +++ b/tools/build/feature/test-fortify-source.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <stdio.h> int main(void) diff --git a/tools/build/feature/test-get_cpuid.c b/tools/build/feature/test-get_cpuid.c deleted file mode 100644 index bb4f065f28a6..000000000000 --- a/tools/build/feature/test-get_cpuid.c +++ /dev/null @@ -1,8 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <cpuid.h> - -int main(void) -{ - unsigned int eax = 0, ebx = 0, ecx = 0, edx = 0; - return __get_cpuid(0x15, &eax, &ebx, &ecx, &edx); -} diff --git a/tools/build/feature/test-get_current_dir_name.c b/tools/build/feature/test-get_current_dir_name.c deleted file mode 100644 index 573000f93212..000000000000 --- a/tools/build/feature/test-get_current_dir_name.c +++ /dev/null @@ -1,10 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#define _GNU_SOURCE -#include <unistd.h> -#include <stdlib.h> - -int main(void) -{ - free(get_current_dir_name()); - return 0; -} diff --git a/tools/build/feature/test-gettid.c b/tools/build/feature/test-gettid.c new file mode 100644 index 000000000000..ef24e42d3f1b --- /dev/null +++ b/tools/build/feature/test-gettid.c @@ -0,0 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2019, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> +#define _GNU_SOURCE +#include <unistd.h> + +int main(void) +{ + return gettid(); +} + +#undef _GNU_SOURCE diff --git a/tools/build/feature/test-glibc.c b/tools/build/feature/test-glibc.c index 9ab8e90e7b88..20a250419f31 100644 --- a/tools/build/feature/test-glibc.c +++ b/tools/build/feature/test-glibc.c @@ -16,5 +16,5 @@ int main(void) const char *version = XSTR(__GLIBC__) "." XSTR(__GLIBC_MINOR__); #endif - return (long)version; + return version == NULL; } diff --git a/tools/build/feature/test-hello.c b/tools/build/feature/test-hello.c index c9f398d87868..c8a57194f9f2 100644 --- a/tools/build/feature/test-hello.c +++ b/tools/build/feature/test-hello.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <stdio.h> int main(void) diff --git a/tools/build/feature/test-libaudit.c b/tools/build/feature/test-libaudit.c deleted file mode 100644 index f5b0863fa1ec..000000000000 --- a/tools/build/feature/test-libaudit.c +++ /dev/null @@ -1,11 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <libaudit.h> - -extern int printf(const char *format, ...); - -int main(void) -{ - printf("error message: %s\n", audit_errno_to_name(0)); - - return audit_open(); -} diff --git a/tools/build/feature/test-libbfd-buildid.c b/tools/build/feature/test-libbfd-buildid.c new file mode 100644 index 000000000000..157644b04c05 --- /dev/null +++ b/tools/build/feature/test-libbfd-buildid.c @@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <bfd.h> + +int main(void) +{ + bfd *abfd = bfd_openr("Pedro", 0); + return abfd && (!abfd->build_id || abfd->build_id->size > 0x506564726f); +} diff --git a/tools/build/feature/test-libbpf.c b/tools/build/feature/test-libbpf.c new file mode 100644 index 000000000000..cd9989f52119 --- /dev/null +++ b/tools/build/feature/test-libbpf.c @@ -0,0 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <bpf/libbpf.h> + +#if !defined(LIBBPF_MAJOR_VERSION) || (LIBBPF_MAJOR_VERSION < 1) +#error At least libbpf 1.0 is required for Linux tools. +#endif + +int main(void) +{ + return bpf_object__open("test") ? 0 : -1; +} diff --git a/tools/build/feature/test-libcap.c b/tools/build/feature/test-libcap.c new file mode 100644 index 000000000000..d2a2e152195f --- /dev/null +++ b/tools/build/feature/test-libcap.c @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <sys/capability.h> +#include <linux/capability.h> + +int main(void) +{ + cap_flag_value_t val; + cap_t caps = cap_get_proc(); + + if (!caps) + return 1; + + if (cap_get_flag(caps, CAP_SYS_ADMIN, CAP_EFFECTIVE, &val) != 0) + return 1; + + if (cap_free(caps) != 0) + return 1; + + return 0; +} diff --git a/tools/build/feature/test-libcapstone.c b/tools/build/feature/test-libcapstone.c new file mode 100644 index 000000000000..fbe8dba189e9 --- /dev/null +++ b/tools/build/feature/test-libcapstone.c @@ -0,0 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <capstone/capstone.h> + +int main(void) +{ + csh handle; + + cs_open(CS_ARCH_X86, CS_MODE_64, &handle); + return 0; +} diff --git a/tools/build/feature/test-libcpupower.c b/tools/build/feature/test-libcpupower.c new file mode 100644 index 000000000000..a346aa332a71 --- /dev/null +++ b/tools/build/feature/test-libcpupower.c @@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <cpuidle.h> + +int main(void) +{ + int rv = cpuidle_state_count(0); + return rv; +} diff --git a/tools/build/feature/test-libcrypto.c b/tools/build/feature/test-libcrypto.c deleted file mode 100644 index a98174e0569c..000000000000 --- a/tools/build/feature/test-libcrypto.c +++ /dev/null @@ -1,18 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <openssl/sha.h> -#include <openssl/md5.h> - -int main(void) -{ - MD5_CTX context; - unsigned char md[MD5_DIGEST_LENGTH + SHA_DIGEST_LENGTH]; - unsigned char dat[] = "12345"; - - MD5_Init(&context); - MD5_Update(&context, &dat[0], sizeof(dat)); - MD5_Final(&md[0], &context); - - SHA1(&dat[0], sizeof(dat), &md[0]); - - return 0; -} diff --git a/tools/build/feature/test-libdebuginfod.c b/tools/build/feature/test-libdebuginfod.c new file mode 100644 index 000000000000..823f9fa9391d --- /dev/null +++ b/tools/build/feature/test-libdebuginfod.c @@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <elfutils/debuginfod.h> + +int main(void) +{ + debuginfod_client* c = debuginfod_begin(); + return !!c; +} diff --git a/tools/build/feature/test-libdw-dwarf-unwind.c b/tools/build/feature/test-libdw-dwarf-unwind.c deleted file mode 100644 index ed03d9505609..000000000000 --- a/tools/build/feature/test-libdw-dwarf-unwind.c +++ /dev/null @@ -1,14 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -#include <elfutils/libdwfl.h> - -int main(void) -{ - /* - * This function is guarded via: __nonnull_attribute__ (1, 2). - * Passing '1' as arguments value. This code is never executed, - * only compiled. - */ - dwfl_thread_getframes((void *) 1, (void *) 1, NULL); - return 0; -} diff --git a/tools/build/feature/test-libdw.c b/tools/build/feature/test-libdw.c new file mode 100644 index 000000000000..aabd63ca76b4 --- /dev/null +++ b/tools/build/feature/test-libdw.c @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <stdlib.h> +#include <dwarf.h> +#include <elfutils/libdw.h> +#include <elfutils/libdwfl.h> +#include <elfutils/version.h> + +int test_libdw(void) +{ + Dwarf *dbg = dwarf_begin(0, DWARF_C_READ); + + return dbg == NULL; +} + +int test_libdw_unwind(void) +{ + /* + * This function is guarded via: __nonnull_attribute__ (1, 2). + * Passing '1' as arguments value. This code is never executed, + * only compiled. + */ + dwfl_thread_getframes((void *) 1, (void *) 1, NULL); + return 0; +} + +int test_libdw_getlocations(void) +{ + Dwarf_Addr base, start, end; + Dwarf_Attribute attr; + Dwarf_Op *op; + size_t nops; + ptrdiff_t offset = 0; + + return (int)dwarf_getlocations(&attr, offset, &base, &start, &end, &op, &nops); +} + +int test_libdw_getcfi(void) +{ + Dwarf *dwarf = NULL; + + return dwarf_getcfi(dwarf) == NULL; +} + +int test_elfutils(void) +{ + Dwarf_CFI *cfi = NULL; + + dwarf_cfi_end(cfi); + return 0; +} + +int main(void) +{ + return test_libdw() + test_libdw_unwind() + test_libdw_getlocations() + + test_libdw_getcfi() + test_elfutils(); +} diff --git a/tools/build/feature/test-libelf-gelf_getnote.c b/tools/build/feature/test-libelf-gelf_getnote.c index 075d062fe841..e06121161161 100644 --- a/tools/build/feature/test-libelf-gelf_getnote.c +++ b/tools/build/feature/test-libelf-gelf_getnote.c @@ -4,5 +4,5 @@ int main(void) { - return gelf_getnote(NULL, 0, NULL, NULL, NULL); + return gelf_getnote(NULL, 0, NULL, NULL, NULL) == 0; } diff --git a/tools/build/feature/test-libelf-mmap.c b/tools/build/feature/test-libelf-zstd.c index 2c3ef81affe2..a1324a1db3bb 100644 --- a/tools/build/feature/test-libelf-mmap.c +++ b/tools/build/feature/test-libelf-zstd.c @@ -1,9 +1,9 @@ // SPDX-License-Identifier: GPL-2.0 +#include <stddef.h> #include <libelf.h> int main(void) { - Elf *elf = elf_begin(0, ELF_C_READ_MMAP, 0); - - return (long)elf; + elf_compress(NULL, ELFCOMPRESS_ZSTD, 0); + return 0; } diff --git a/tools/build/feature/test-libelf.c b/tools/build/feature/test-libelf.c index 905044127d56..2dbb6ea870f3 100644 --- a/tools/build/feature/test-libelf.c +++ b/tools/build/feature/test-libelf.c @@ -5,5 +5,5 @@ int main(void) { Elf *elf = elf_begin(0, ELF_C_READ, 0); - return (long)elf; + return !!elf; } diff --git a/tools/build/feature/test-libopencsd.c b/tools/build/feature/test-libopencsd.c index d68eb4fb40cc..4cfcef9da3e4 100644 --- a/tools/build/feature/test-libopencsd.c +++ b/tools/build/feature/test-libopencsd.c @@ -4,9 +4,9 @@ /* * Check OpenCSD library version is sufficient to provide required features */ -#define OCSD_MIN_VER ((0 << 16) | (10 << 8) | (0)) +#define OCSD_MIN_VER ((1 << 16) | (2 << 8) | (1)) #if !defined(OCSD_VER_NUM) || (OCSD_VER_NUM < OCSD_MIN_VER) -#error "OpenCSD >= 0.10.0 is required" +#error "OpenCSD >= 1.2.1 is required" #endif int main(void) diff --git a/tools/build/feature/test-libpfm4.c b/tools/build/feature/test-libpfm4.c new file mode 100644 index 000000000000..af49b259459e --- /dev/null +++ b/tools/build/feature/test-libpfm4.c @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <sys/types.h> +#include <perfmon/pfmlib.h> + +int main(void) +{ + pfm_initialize(); + return 0; +} diff --git a/tools/build/feature/test-libpython-version.c b/tools/build/feature/test-libpython-version.c deleted file mode 100644 index 47714b942d4d..000000000000 --- a/tools/build/feature/test-libpython-version.c +++ /dev/null @@ -1,11 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <Python.h> - -#if PY_VERSION_HEX >= 0x03000000 - #error -#endif - -int main(void) -{ - return 0; -} diff --git a/tools/build/feature/test-libpython.c b/tools/build/feature/test-libpython.c index 0c1641b0d9a7..371c9113e49d 100644 --- a/tools/build/feature/test-libpython.c +++ b/tools/build/feature/test-libpython.c @@ -7,3 +7,4 @@ int main(void) return 0; } +#undef _GNU_SOURCE diff --git a/tools/build/feature/test-libtraceevent.c b/tools/build/feature/test-libtraceevent.c new file mode 100644 index 000000000000..804ad80dbbd9 --- /dev/null +++ b/tools/build/feature/test-libtraceevent.c @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <trace-seq.h> + +int main(void) +{ + int rv = 0; + struct trace_seq s; + trace_seq_init(&s); + rv += !(s.state == TRACE_SEQ__GOOD); + trace_seq_destroy(&s); + return rv; +} diff --git a/tools/build/feature/test-libtracefs.c b/tools/build/feature/test-libtracefs.c new file mode 100644 index 000000000000..29a757a7d848 --- /dev/null +++ b/tools/build/feature/test-libtracefs.c @@ -0,0 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <tracefs.h> + +int main(void) +{ + struct tracefs_instance *inst = tracefs_instance_create("dummy"); + + tracefs_instance_destroy(inst); + return 0; +} diff --git a/tools/build/feature/test-libzstd.c b/tools/build/feature/test-libzstd.c new file mode 100644 index 000000000000..55268c01b84d --- /dev/null +++ b/tools/build/feature/test-libzstd.c @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <zstd.h> + +int main(void) +{ + ZSTD_CStream *cstream; + + cstream = ZSTD_createCStream(); + ZSTD_freeCStream(cstream); + + return 0; +} diff --git a/tools/build/feature/test-llvm-perf.cpp b/tools/build/feature/test-llvm-perf.cpp new file mode 100644 index 000000000000..a8cbb67e335e --- /dev/null +++ b/tools/build/feature/test-llvm-perf.cpp @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "llvm/Support/ManagedStatic.h" +#include "llvm/Support/raw_ostream.h" + +#if LLVM_VERSION_MAJOR < 13 +# error "Perf requires llvm-devel/llvm-dev version 13 or greater" +#endif + +int main() +{ + llvm::errs() << "Hello World!\n"; + llvm::llvm_shutdown(); + return 0; +} diff --git a/tools/build/feature/test-llvm-version.cpp b/tools/build/feature/test-llvm-version.cpp deleted file mode 100644 index 8a091625446a..000000000000 --- a/tools/build/feature/test-llvm-version.cpp +++ /dev/null @@ -1,12 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <cstdio> -#include "llvm/Config/llvm-config.h" - -#define NUM_VERSION (((LLVM_VERSION_MAJOR) << 16) + (LLVM_VERSION_MINOR << 8) + LLVM_VERSION_PATCH) -#define pass int main() {printf("%x\n", NUM_VERSION); return 0;} - -#if NUM_VERSION >= 0x030900 -pass -#else -# error This LLVM is not tested yet. -#endif diff --git a/tools/build/feature/test-lzma.c b/tools/build/feature/test-lzma.c index 78682bb01d57..b57103774e8e 100644 --- a/tools/build/feature/test-lzma.c +++ b/tools/build/feature/test-lzma.c @@ -4,7 +4,7 @@ int main(void) { lzma_stream strm = LZMA_STREAM_INIT; - int ret; + lzma_ret ret; ret = lzma_stream_decoder(&strm, UINT64_MAX, LZMA_CONCATENATED); return ret ? -1 : 0; diff --git a/tools/build/feature/test-reallocarray.c b/tools/build/feature/test-reallocarray.c index 8170de35150d..8f6743e31da7 100644 --- a/tools/build/feature/test-reallocarray.c +++ b/tools/build/feature/test-reallocarray.c @@ -6,3 +6,5 @@ int main(void) { return !!reallocarray(NULL, 1, 1); } + +#undef _GNU_SOURCE diff --git a/tools/build/feature/test-scandirat.c b/tools/build/feature/test-scandirat.c new file mode 100644 index 000000000000..d7e19e1858a5 --- /dev/null +++ b/tools/build/feature/test-scandirat.c @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0 +#ifndef _GNU_SOURCE +#define _GNU_SOURCE +#endif +#include <dirent.h> + +int main(void) +{ + // expects non-NULL, arg3 is 'restrict' so "pointers" have to be different + return scandirat(/*dirfd=*/ 0, /*dirp=*/ (void *)1, /*namelist=*/ (void *)2, /*filter=*/ (void *)3, /*compar=*/ (void *)4); +} + +#undef _GNU_SOURCE diff --git a/tools/build/feature/test-sched_getcpu.c b/tools/build/feature/test-sched_getcpu.c index e448deb4124c..48995ac7911e 100644 --- a/tools/build/feature/test-sched_getcpu.c +++ b/tools/build/feature/test-sched_getcpu.c @@ -8,3 +8,5 @@ int main(void) { return sched_getcpu(); } + +#undef _GNU_SOURCE diff --git a/tools/build/feature/test-setns.c b/tools/build/feature/test-setns.c index 1f714d2a658b..2757c201ed50 100644 --- a/tools/build/feature/test-setns.c +++ b/tools/build/feature/test-setns.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define _GNU_SOURCE #include <sched.h> @@ -5,3 +6,4 @@ int main(void) { return setns(0, 0); } +#undef _GNU_SOURCE diff --git a/tools/build/feature/test-sync-compare-and-swap.c b/tools/build/feature/test-sync-compare-and-swap.c deleted file mode 100644 index 1e38d1930a97..000000000000 --- a/tools/build/feature/test-sync-compare-and-swap.c +++ /dev/null @@ -1,15 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <stdint.h> - -volatile uint64_t x; - -int main(int argc, char *argv[]) -{ - uint64_t old, new = argc; - - argv = argv; - do { - old = __sync_val_compare_and_swap(&x, 0, 0); - } while (!__sync_bool_compare_and_swap(&x, old, new)); - return old == new; -} |