diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 173 |
1 files changed, 97 insertions, 76 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index b28e4d0..debc847 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -59,27 +59,31 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) OUTPUT_VARIABLE CONFIG_OUTPUT ERROR_QUIET) if(NOT HAD_ERROR) - string(STRIP "${CONFIG_OUTPUT}" LLVM_CMAKE_PATH) + string(STRIP "${CONFIG_OUTPUT}" LLVM_CMAKE_PATH_FROM_LLVM_CONFIG) + file(TO_CMAKE_PATH "${LLVM_CMAKE_PATH_FROM_LLVM_CONFIG}" LLVM_CMAKE_PATH) else() - set(LLVM_CMAKE_PATH - "${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm") + file(TO_CMAKE_PATH "${LLVM_BINARY_DIR}" LLVM_BINARY_DIR_CMAKE_STYLE) + set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR_CMAKE_STYLE}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm") endif() else() - message(FATAL_ERROR "llvm-config not found and LLVM_MAIN_SRC_DIR not defined. " - "Reconfigure with -DLLVM_CONFIG=path/to/llvm-config " - "or -DLLVM_PATH=path/to/llvm-source-root.") + message(WARNING "UNSUPPORTED LIBUNWIND CONFIGURATION DETECTED: " + "llvm-config not found and LLVM_MAIN_SRC_DIR not defined. " + "Reconfigure with -DLLVM_CONFIG=path/to/llvm-config " + "or -DLLVM_PATH=path/to/llvm-source-root.") endif() if (EXISTS ${LLVM_CMAKE_PATH}) + # Enable warnings, otherwise -w gets added to the cflags by HandleLLVMOptions. + set(LLVM_ENABLE_WARNINGS ON) list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}") include("${LLVM_CMAKE_PATH}/AddLLVM.cmake") include("${LLVM_CMAKE_PATH}/HandleLLVMOptions.cmake") else() - message(FATAL_ERROR "Not found: ${LLVM_CMAKE_PATH}") + message(WARNING "Not found: ${LLVM_CMAKE_PATH}") endif() set(PACKAGE_NAME libunwind) - set(PACKAGE_VERSION 5.0.0svn) + set(PACKAGE_VERSION 9.0.0svn) set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") set(PACKAGE_BUGREPORT "llvm-bugs@lists.llvm.org") @@ -111,13 +115,13 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}) set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}) else() - set(LLVM_MAIN_SRC_DIR "${CMAKE_SOURCE_DIR}" CACHE PATH "Path to LLVM source tree") set(LLVM_LIT "${CMAKE_SOURCE_DIR}/utils/lit/lit.py") endif() #=============================================================================== # Setup CMake Options #=============================================================================== +include(CMakeDependentOption) include(HandleCompilerRT) # Define options. @@ -136,9 +140,19 @@ option(LIBUNWIND_INCLUDE_DOCS "Build the libunwind documentation." ${LLVM_INCLUD set(LIBUNWIND_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}" CACHE STRING "Define suffix of library directory name (32/64)") option(LIBUNWIND_INSTALL_LIBRARY "Install the libunwind library." ON) +cmake_dependent_option(LIBUNWIND_INSTALL_STATIC_LIBRARY + "Install the static libunwind library." ON + "LIBUNWIND_ENABLE_STATIC;LIBUNWIND_INSTALL_LIBRARY" OFF) +cmake_dependent_option(LIBUNWIND_INSTALL_SHARED_LIBRARY + "Install the shared libunwind library." ON + "LIBUNWIND_ENABLE_SHARED;LIBUNWIND_INSTALL_LIBRARY" OFF) set(LIBUNWIND_TARGET_TRIPLE "" CACHE STRING "Target triple for cross compiling.") set(LIBUNWIND_GCC_TOOLCHAIN "" CACHE PATH "GCC toolchain for cross compiling.") set(LIBUNWIND_SYSROOT "" CACHE PATH "Sysroot for cross compiling.") +set(LIBUNWIND_TEST_LINKER_FLAGS "" CACHE STRING + "Additional linker flags for test programs.") +set(LIBUNWIND_TEST_COMPILER_FLAGS "" CACHE STRING + "Additional compiler flags for test programs.") if (NOT LIBUNWIND_ENABLE_SHARED AND NOT LIBUNWIND_ENABLE_STATIC) message(FATAL_ERROR "libunwind must be built as either a shared or static library.") @@ -153,6 +167,9 @@ elseif(LIBUNWIND_BUILD_32_BITS) message(FATAL_ERROR "LIBUNWIND_BUILD_32_BITS=ON is not supported on this platform.") endif() +option(LIBUNWIND_HERMETIC_STATIC_LIBRARY + "Do not export any symbols from the static library." OFF) + #=============================================================================== # Configure System #=============================================================================== @@ -165,7 +182,14 @@ set(CMAKE_MODULE_PATH set(LIBUNWIND_COMPILER ${CMAKE_CXX_COMPILER}) set(LIBUNWIND_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) set(LIBUNWIND_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) -if (LLVM_LIBRARY_OUTPUT_INTDIR) + +string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION + ${PACKAGE_VERSION}) + +if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE) + set(DEFAULT_INSTALL_PREFIX lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION}/${LLVM_DEFAULT_TARGET_TRIPLE}/) + set(LIBUNWIND_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION}/${LLVM_DEFAULT_TARGET_TRIPLE}/lib${LIBUNWIND_LIBDIR_SUFFIX}) +elseif(LLVM_LIBRARY_OUTPUT_INTDIR) set(LIBUNWIND_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}) else() set(LIBUNWIND_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBUNWIND_LIBDIR_SUFFIX}) @@ -175,41 +199,53 @@ set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIBUNWIND_LIBRARY_DIR}) set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIBUNWIND_LIBRARY_DIR}) set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LIBUNWIND_LIBRARY_DIR}) -set(LIBUNWIND_INSTALL_PREFIX "" CACHE STRING +set(LIBUNWIND_INSTALL_PREFIX ${DEFAULT_INSTALL_PREFIX} CACHE STRING "Define libunwind destination prefix.") -if (NOT LIBUNWIND_INSTALL_PREFIX MATCHES "^$|.*/") - message(FATAL_ERROR "LIBUNWIND_INSTALL_PREFIX has to end with \"/\".") -endif() - set(LIBUNWIND_C_FLAGS "") set(LIBUNWIND_CXX_FLAGS "") set(LIBUNWIND_COMPILE_FLAGS "") set(LIBUNWIND_LINK_FLAGS "") # Get required flags. -macro(append_if list condition var) +macro(unwind_append_if list condition var) if (${condition}) list(APPEND ${list} ${var}) endif() endmacro() -macro(add_target_flags_if condition var) +macro(add_target_flags) + foreach(value ${ARGN}) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${value}") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${value}") + list(APPEND LIBUNWIND_COMPILE_FLAGS ${value}) + list(APPEND LIBUNWIND_LINK_FLAGS ${value}) + endforeach() +endmacro() + +macro(add_target_flags_if condition) if (${condition}) - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${var}") - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${var}") - list(APPEND LIBUNWIND_COMPILE_FLAGS ${var}) - list(APPEND LIBUNWIND_LINK_FLAGS ${var}) + add_target_flags(${ARGN}) endif() endmacro() add_target_flags_if(LIBUNWIND_BUILD_32_BITS "-m32") -add_target_flags_if(LIBUNWIND_TARGET_TRIPLE - "--target=${LIBUNWIND_TARGET_TRIPLE}") -add_target_flags_if(LIBUNWIND_GCC_TOOLCHAIN - "--gcc-toolchain=${LIBUNWIND_GCC_TOOLCHAIN}") -add_target_flags_if(LIBUNWIND_SYSROOT - "--sysroot=${LIBUNWIND_SYSROOT}") + +if(LIBUNWIND_TARGET_TRIPLE) + add_target_flags("--target=${LIBUNWIND_TARGET_TRIPLE}") +elseif(CMAKE_CXX_COMPILER_TARGET) + set(LIBUNWIND_TARGET_TRIPLE "${CMAKE_CXX_COMPILER_TARGET}") +endif() +if(LIBUNWIND_GCC_TOOLCHAIN) + add_target_flags("--gcc-toolchain=${LIBUNWIND_GCC_TOOLCHAIN}") +elseif(CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN) + set(LIBUNWIND_GCC_TOOLCHAIN "${CMAKE_CXX_COMPILER_EXTERNAL_TOOLCHAIN}") +endif() +if(LIBUNWIND_SYSROOT) + add_target_flags("--sysroot=${LIBUNWIND_SYSROOT}") +elseif(CMAKE_SYSROOT) + set(LIBUNWIND_SYSROOT "${CMAKE_SYSROOT}") +endif() if (LIBUNWIND_TARGET_TRIPLE) set(TARGET_TRIPLE "${LIBUNWIND_TARGET_TRIPLE}") @@ -218,7 +254,7 @@ endif() # Configure compiler. include(config-ix) -if (LIBUNWIND_USE_COMPILER_RT) +if (LIBUNWIND_USE_COMPILER_RT AND NOT LIBUNWIND_HAS_NODEFAULTLIBS_FLAG) list(APPEND LIBUNWIND_LINK_FLAGS "-rtlib=compiler-rt") endif() @@ -226,48 +262,51 @@ endif() # Setup Compiler Flags #=============================================================================== -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WERROR_FLAG -Werror=return-type) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WERROR_FLAG -Werror=return-type) # Get warning flags -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_W_FLAG -W) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WALL_FLAG -Wall) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WCHAR_SUBSCRIPTS_FLAG -Wchar-subscripts) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WCONVERSION_FLAG -Wconversion) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WMISMATCHED_TAGS_FLAG -Wmismatched-tags) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WMISSING_BRACES_FLAG -Wmissing-braces) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WNEWLINE_EOF_FLAG -Wnewline-eof) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WNO_UNUSED_FUNCTION_FLAG -Wno-unused-function) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WSHADOW_FLAG -Wshadow) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WSHORTEN_64_TO_32_FLAG -Wshorten-64-to-32) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WSIGN_COMPARE_FLAG -Wsign-compare) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WSIGN_CONVERSION_FLAG -Wsign-conversion) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WSTRICT_ALIASING_FLAG -Wstrict-aliasing=2) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WSTRICT_OVERFLOW_FLAG -Wstrict-overflow=4) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WUNUSED_PARAMETER_FLAG -Wunused-parameter) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WUNUSED_VARIABLE_FLAG -Wunused-variable) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WWRITE_STRINGS_FLAG -Wwrite-strings) -append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WUNDEF_FLAG -Wundef) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_W_FLAG -W) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WALL_FLAG -Wall) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WCHAR_SUBSCRIPTS_FLAG -Wchar-subscripts) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WCONVERSION_FLAG -Wconversion) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WMISMATCHED_TAGS_FLAG -Wmismatched-tags) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WMISSING_BRACES_FLAG -Wmissing-braces) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WNEWLINE_EOF_FLAG -Wnewline-eof) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WNO_UNUSED_FUNCTION_FLAG -Wno-unused-function) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WSHADOW_FLAG -Wshadow) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WSHORTEN_64_TO_32_FLAG -Wshorten-64-to-32) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WSIGN_COMPARE_FLAG -Wsign-compare) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WSIGN_CONVERSION_FLAG -Wsign-conversion) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WSTRICT_ALIASING_FLAG -Wstrict-aliasing=2) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WSTRICT_OVERFLOW_FLAG -Wstrict-overflow=4) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WUNUSED_PARAMETER_FLAG -Wunused-parameter) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WUNUSED_VARIABLE_FLAG -Wunused-variable) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WWRITE_STRINGS_FLAG -Wwrite-strings) +unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WUNDEF_FLAG -Wundef) if (LIBUNWIND_ENABLE_WERROR) - append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WERROR_FLAG -Werror) - append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WX_FLAG -WX) + unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WERROR_FLAG -Werror) + unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WX_FLAG -WX) else() - append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WNO_ERROR_FLAG -Wno-error) - append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_NO_WX_FLAG -WX-) + unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_WNO_ERROR_FLAG -Wno-error) + unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_NO_WX_FLAG -WX-) endif() if (LIBUNWIND_ENABLE_PEDANTIC) - append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_PEDANTIC_FLAG -pedantic) + unwind_append_if(LIBUNWIND_COMPILE_FLAGS LIBUNWIND_HAS_PEDANTIC_FLAG -pedantic) endif() # Get feature flags. # Exceptions # Catches C++ exceptions only and tells the compiler to assume that extern C # functions never throw a C++ exception. -append_if(LIBUNWIND_CXX_FLAGS LIBUNWIND_HAS_FSTRICT_ALIASING_FLAG -fstrict-aliasing) -append_if(LIBUNWIND_CXX_FLAGS LIBUNWIND_HAS_EHSC_FLAG -EHsc) +unwind_append_if(LIBUNWIND_CXX_FLAGS LIBUNWIND_HAS_FSTRICT_ALIASING_FLAG -fstrict-aliasing) +unwind_append_if(LIBUNWIND_CXX_FLAGS LIBUNWIND_HAS_EHSC_FLAG -EHsc) + +unwind_append_if(LIBUNWIND_C_FLAGS LIBUNWIND_HAS_FUNWIND_TABLES -funwind-tables) -append_if(LIBUNWIND_C_FLAGS LIBUNWIND_HAS_FUNWIND_TABLES -funwind-tables) +# Ensure that we don't depend on C++ standard library. +unwind_append_if(LIBUNWIND_CXX_FLAGS LIBUNWIND_HAS_NOSTDINCXX_FLAG -nostdinc++) # Assert string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE) @@ -323,30 +362,12 @@ endif() include_directories(include) -find_path( - LIBUNWIND_LIBCXX_INCLUDES_INTERNAL - __libcpp_version - PATHS ${LLVM_MAIN_SRC_DIR}/projects/libcxx/include - ${LLVM_MAIN_SRC_DIR}/runtimes/libcxx/include - NO_DEFAULT_PATH -) -if ((NOT LIBUNWIND_STANDALONE_BUILD OR HAVE_LIBCXX) AND - IS_DIRECTORY "${LIBUNWIND_LIBCXX_INCLUDES_INTERNAL}") - set(LIBUNWIND_CXX_INCLUDE_PATHS_DEFAULT "${LIBUNWIND_LIBCXX_INCLUDES_INTERNAL}") -endif() - -set(LIBUNWIND_CXX_INCLUDE_PATHS "${LIBUNWIND_CXX_INCLUDE_PATHS_DEFAULT}" CACHE PATH - "Paths to C++ header directories separated by ';'.") - -if (NOT LIBUNWIND_CXX_INCLUDE_PATHS STREQUAL "") - list(APPEND LIBUNWIND_CXX_FLAGS -nostdinc++) - include_directories("${LIBUNWIND_CXX_INCLUDE_PATHS}") -endif() - add_subdirectory(src) if (LIBUNWIND_INCLUDE_DOCS) add_subdirectory(docs) endif() -add_subdirectory(test) +if (EXISTS ${LLVM_CMAKE_PATH}) + add_subdirectory(test) +endif() |