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From 2aec85618e91af975af3146563333c2c2e972607 Mon Sep 17 00:00:00 2001
From: Steve Wills <steve@mouf.net>
Date: Fri, 4 Jan 2019 14:12:40 -0500
Subject: [PATCH] Use system deps for protobuf, capstone and re2
Also, add option to disable setting build id for systems where this flag
is not supported by ld and an option to disable installing cmake target
files in case they aren't needed.
---
CMakeLists.txt | 140 ++++++++++++++++++++++++++++++++++++++++++-------
1 file changed, 120 insertions(+), 20 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6f8da51..b61ffea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,6 +5,34 @@ project (Bloaty VERSION 1.0)
# Options we define for users.
option(BLOATY_ENABLE_ASAN "Enable address sanitizer." OFF)
option(BLOATY_ENABLE_UBSAN "Enable undefined behavior sanitizer." OFF)
+option(BLOATY_ENABLE_CMAKETARGETS "Enable installing cmake target files." ON)
+option(BLOATY_ENABLE_BUILDID "Enable build id." ON)
+
+if(UNIX)
+find_package(PkgConfig)
+if(${PKG_CONFIG_FOUND})
+pkg_search_module(RE2 re2)
+pkg_search_module(CAPSTONE capstone)
+pkg_search_module(PROTOBUF protobuf)
+if(${RE2_FOUND})
+ MESSAGE(STATUS "System re2 found, using")
+else(${RE2_FOUND})
+ MESSAGE(STATUS "System re2 not found, using bundled version")
+endif(${RE2_FOUND})
+if(${CAPSTONE_FOUND})
+ MESSAGE(STATUS "System capstone found, using")
+else(${CAPSTONE_FOUND})
+ MESSAGE(STATUS "System capstone not found, using bundled version")
+endif(${CAPSTONE_FOUND})
+if(${PROTOBUF_FOUND})
+ MESSAGE(STATUS "System protobuf found, using")
+else(${PROTOBUF_FOUND})
+ MESSAGE(STATUS "System protobuf not found, using bundled version")
+endif(${PROTOBUF_FOUND})
+else(${PKG_CONFIG_FOUND})
+ MESSAGE(STATUS "pkg-config not found, using bundled dependencies")
+endif(${PKG_CONFIG_FOUND})
+endif(UNIX)
# Set default build type.
if(NOT CMAKE_BUILD_TYPE)
@@ -21,19 +49,42 @@ if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/.gitmodules")
endif()
# Add third_party libraries, disabling as much as we can of their builds.
-set(RE2_BUILD_TESTING OFF CACHE BOOL "enable testing for RE2" FORCE)
-set(CAPSTONE_BUILD_SHARED OFF CACHE BOOL "Build shared library" FORCE)
-set(CAPSTONE_BUILD_TESTS OFF CACHE BOOL "Build tests" FORCE)
-set(protobuf_BUILD_TESTS OFF CACHE BOOL "enable tests for proto2" FORCE)
-set(protobuf_BUILD_SHARED_LIBS OFF CACHE BOOL "enable shared libs for proto2" FORCE)
+
add_definitions(-D_LIBCXXABI_FUNC_VIS=) # For Demumble.
-add_subdirectory(third_party/re2)
-add_subdirectory(third_party/capstone)
-add_subdirectory(third_party/protobuf/cmake)
-include_directories(third_party/capstone/include)
-include_directories(third_party/re2)
-include_directories(third_party/protobuf/src)
+if(UNIX)
+ if(${RE2_FOUND})
+ include_directories(${RE2_INCLUDE_DIRS})
+ else(${RE2_FOUND})
+ set(RE2_BUILD_TESTING OFF CACHE BOOL "enable testing for RE2" FORCE)
+ add_subdirectory(third_party/re2)
+ include_directories(third_party/re2)
+ endif(${RE2_FOUND})
+ if(${CAPSTONE_FOUND})
+ include_directories(${CAPSTONE_INCLUDE_DIRS})
+ else(${CAPSTONE_FOUND})
+ set(CAPSTONE_BUILD_SHARED OFF CACHE BOOL "Build shared library" FORCE)
+ set(CAPSTONE_BUILD_TESTS OFF CACHE BOOL "Build tests" FORCE)
+ add_subdirectory(third_party/capstone)
+ include_directories(third_party/capstone/include)
+ endif(${CAPSTONE_FOUND})
+ if(${PROTOBUF_FOUND})
+ include_directories(${PROTOBUF_INCLUDE_DIRS})
+ else(${PROTOBUF_FOUND})
+ set(protobuf_BUILD_TESTS OFF CACHE BOOL "enable tests for proto2" FORCE)
+ set(protobuf_BUILD_SHARED_LIBS OFF CACHE BOOL "enable shared libs for proto2" FORCE)
+ add_subdirectory(third_party/protobuf/cmake)
+ include_directories(third_party/protobuf/src)
+ endif(${PROTOBUF_FOUND})
+else(UNIX)
+ add_subdirectory(third_party/re2)
+ add_subdirectory(third_party/capstone)
+ add_subdirectory(third_party/protobuf/cmake)
+ include_directories(third_party/re2)
+ include_directories(third_party/capstone/include)
+ include_directories(third_party/protobuf/src)
+endif(UNIX)
+
include_directories(.)
include_directories(src)
include_directories(third_party/abseil-cpp)
@@ -47,7 +98,9 @@ set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g1")
if(APPLE)
elseif(UNIX)
- set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--build-id")
+ if(BLOATY_ENABLE_BUILDID)
+ set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--build-id")
+ endif(BLOATY_ENABLE_BUILDID)
endif()
# When using Ninja, compiler output won't be colorized without this.
@@ -73,6 +126,7 @@ if(DEFINED ENV{CXXFLAGS})
endif()
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/src)
+if(${PROTOC_FOUND})
add_custom_command(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/src/bloaty.pb.cc
DEPENDS protoc ${CMAKE_CURRENT_SOURCE_DIR}/src/bloaty.proto
@@ -80,6 +134,14 @@ add_custom_command(
--cpp_out=${CMAKE_CURRENT_BINARY_DIR}/src
-I${CMAKE_CURRENT_SOURCE_DIR}/src
)
+else(${PROTOC_FOUND})
+add_custom_command(
+ OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/src/bloaty.pb.cc
+ COMMAND protoc ${CMAKE_CURRENT_SOURCE_DIR}/src/bloaty.proto
+ --cpp_out=${CMAKE_CURRENT_BINARY_DIR}/src
+ -I${CMAKE_CURRENT_SOURCE_DIR}/src
+)
+endif(${PROTOC_FOUND})
add_library(libbloaty
src/bloaty.cc
@@ -112,9 +174,38 @@ add_library(libbloaty
third_party/demumble/third_party/libcxxabi/cxa_demangle.cpp
)
+if(UNIX)
+ set(LIBBLOATY_LIBS libbloaty)
+ if(${PROTOBUF_FOUND})
+ set(LIBBLOATY_LIBS ${LIBBLOATY_LIBS} ${PROTOBUF_LIBRARIES})
+ else(${PROTOBUF_FOUND})
+ set(LIBBLOATY_LIBS ${LIBBLOATY_LIBS} libprotoc)
+ endif(${PROTOBUF_FOUND})
+ if(${RE2_FOUND})
+ set(LIBBLOATY_LIBS ${LIBBLOATY_LIBS} ${RE2_LIBRARIES})
+ else(${RE2_FOUND})
+ set(LIBBLOATY_LIBS ${LIBBLOATY_LIBS} re2)
+ endif(${RE2_FOUND})
+ if(${CAPSTONE_FOUND})
+ set(LIBBLOATY_LIBS ${LIBBLOATY_LIBS} ${CAPSTONE_LIBRARIES})
+ else(${CAPSTONE_FOUND})
+ set(LIBBLOATY_LIBS ${LIBBLOATY_LIBS} capstone-static)
+ endif(${CAPSTONE_FOUND})
+else(UNIX)
+ set(LIBBLOATY_LIBS libbloaty libprotoc re2 capstone-static)
+endif(UNIX)
-set(LIBBLOATY_LIBS libbloaty libprotoc re2 capstone-static)
-
+if(UNIX)
+ if(${RE2_FOUND})
+ link_directories(${RE2_LIBRARY_DIRS})
+ endif(${RE2_FOUND})
+ if(${CAPSTONE_FOUND})
+ link_directories(${CAPSTONE_LIBRARY_DIRS})
+ endif(${CAPSTONE_FOUND})
+ if(${PROTOBUF_FOUND})
+ link_directories(${PROTOBUF_LIBRARY_DIRS})
+ endif(${PROTOBUF_FOUND})
+endif(UNIX)
if(DEFINED ENV{LIB_FUZZING_ENGINE})
message("LIB_FUZZING_ENGINE set, building fuzz_target instead of Bloaty")
@@ -134,11 +225,18 @@ else()
target_link_libraries(bloaty "${CMAKE_THREAD_LIBS_INIT}")
endif()
- install(
- TARGETS bloaty
- EXPORT ${PROJECT_NAME}Targets
- RUNTIME DESTINATION bin
- )
+ if(BLOATY_ENABLE_CMAKETARGETS)
+ install(
+ TARGETS bloaty
+ EXPORT ${PROJECT_NAME}Targets
+ RUNTIME DESTINATION bin
+ )
+ else(BLOATY_ENABLE_CMAKETARGETS)
+ install(
+ TARGETS bloaty
+ RUNTIME DESTINATION bin
+ )
+ endif(BLOATY_ENABLE_CMAKETARGETS)
if (IS_DIRECTORY "${PROJECT_SOURCE_DIR}/tests")
enable_testing()
@@ -172,5 +270,7 @@ else()
endif()
endif()
- install(EXPORT ${PROJECT_NAME}Targets NAMESPACE ${PROJECT_NAME} DESTINATION lib/${PROJECT_NAME})
+ if(BLOATY_ENABLE_CMAKETARGETS)
+ install(EXPORT ${PROJECT_NAME}Targets NAMESPACE ${PROJECT_NAME} DESTINATION lib/${PROJECT_NAME})
+ endif(BLOATY_ENABLE_CMAKETARGETS)
endif()
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