diff options
| -rw-r--r-- | tools/build/feature/Makefile | 8 | ||||
| -rw-r--r-- | tools/build/feature/test-llvm-version.cpp | 11 | ||||
| -rw-r--r-- | tools/build/feature/test-llvm.cpp | 5 | ||||
| -rw-r--r-- | tools/perf/Makefile.config | 8 |
4 files changed, 28 insertions, 4 deletions
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile index 303196c16019..b564a2eea039 100644 --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -231,14 +231,18 @@ $(OUTPUT)test-jvmti.bin: $(BUILD) $(OUTPUT)test-llvm.bin: - $(BUILDXX) -std=gnu++11 \ + $(BUILDXX) -std=gnu++11 \ -I$(shell $(LLVM_CONFIG) --includedir) \ -L$(shell $(LLVM_CONFIG) --libdir) \ $(shell $(LLVM_CONFIG) --libs Core BPF) \ $(shell $(LLVM_CONFIG) --system-libs) +$(OUTPUT)test-llvm-version.bin: + $(BUILDXX) -std=gnu++11 \ + -I$(shell $(LLVM_CONFIG) --includedir) + $(OUTPUT)test-clang.bin: - $(BUILDXX) -std=gnu++11 \ + $(BUILDXX) -std=gnu++11 \ -I$(shell $(LLVM_CONFIG) --includedir) \ -L$(shell $(LLVM_CONFIG) --libdir) \ -Wl,--start-group -lclangBasic -lclangDriver \ diff --git a/tools/build/feature/test-llvm-version.cpp b/tools/build/feature/test-llvm-version.cpp new file mode 100644 index 000000000000..896d31724568 --- /dev/null +++ b/tools/build/feature/test-llvm-version.cpp @@ -0,0 +1,11 @@ +#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-llvm.cpp b/tools/build/feature/test-llvm.cpp index d8d2cee35345..455a332dc8a8 100644 --- a/tools/build/feature/test-llvm.cpp +++ b/tools/build/feature/test-llvm.cpp @@ -1,5 +1,10 @@ #include "llvm/Support/ManagedStatic.h" #include "llvm/Support/raw_ostream.h" +#define NUM_VERSION (((LLVM_VERSION_MAJOR) << 16) + (LLVM_VERSION_MINOR << 8) + LLVM_VERSION_PATCH) + +#if NUM_VERSION < 0x030900 +# error "LLVM version too low" +#endif int main() { llvm::errs() << "Hello World!\n"; diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 09c2a9874f2f..76c84f0eec52 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -802,12 +802,13 @@ ifdef LIBCLANGLLVM msg := $(warning No g++ found, disable clang and llvm support. Please install g++) else $(call feature_check,llvm) + $(call feature_check,llvm-version) ifneq ($(feature-llvm), 1) - msg := $(warning No libLLVM found, disable clang and llvm support. Please install llvm-dev) + msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0)) else $(call feature_check,clang) ifneq ($(feature-clang), 1) - msg := $(warning No libclang found, disable clang and llvm support. Please install libclang-dev) + msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0)) else CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir) @@ -816,6 +817,9 @@ ifdef LIBCLANGLLVM USE_CXX = 1 USE_LLVM = 1 USE_CLANG = 1 + ifneq ($(feature-llvm-version),1) + msg := $(warning This version of LLVM is not tested. May cause build errors) + endif endif endif endif |