cmake: boost: fix header-only library search, bump minimum

CMakeLists.txt

@@ -1084,33 +1084,41 @@ if(STATIC)
   set(Boost_USE_STATIC_RUNTIME ON)
 endif()
 
-set(BOOST_COMPONENTS system filesystem thread date_time chrono regex serialization program_options)
-if (WIN32)
-  list(APPEND BOOST_COMPONENTS locale)
-endif()
-find_package(Boost 1.58 QUIET REQUIRED COMPONENTS ${BOOST_COMPONENTS})
-add_definitions(-DBOOST_ASIO_ENABLE_SEQUENTIAL_STRAND_ALLOCATION)
-add_definitions(-DBOOST_NO_AUTO_PTR)
-add_definitions(-DBOOST_UUID_DISABLE_ALIGNMENT) # This restores UUID's std::has_unique_object_representations property
+# Find Boost headers
+set(BOOST_MIN_VER 1.62)
+find_package(Boost ${BOOST_MIN_VER} QUIET REQUIRED)
 
-set(CMAKE_FIND_LIBRARY_SUFFIXES ${OLD_LIB_SUFFIXES})
 if(NOT Boost_FOUND)
-  die("Could not find Boost libraries, please make sure you have installed Boost or libboost-all-dev (>=1.58) or the equivalent")
+  die("Could not find Boost libraries, please make sure you have installed Boost or libboost-all-dev (>=1.62) or the equivalent")
 elseif(Boost_FOUND)
-  message(STATUS "Found Boost Version: ${Boost_VERSION}")
-  if (Boost_VERSION VERSION_LESS 10 AND Boost_VERSION VERSION_LESS 1.62.0 AND NOT (OPENSSL_VERSION VERSION_LESS 1.1))
-    set(BOOST_BEFORE_1_62 true)
+  message(STATUS "Found Boost Version: ${Boost_VERSION_STRING}")
+
+  set(BOOST_COMPONENTS filesystem thread date_time chrono serialization program_options)
+  if (WIN32)
+    list(APPEND BOOST_COMPONENTS locale)
   endif()
-  if (NOT Boost_VERSION VERSION_LESS 10 AND Boost_VERSION VERSION_LESS 106200 AND NOT (OPENSSL_VERSION VERSION_LESS 1.1))
-    set(BOOST_BEFORE_1_62 true)
+
+  # Boost System is header-only since 1.69
+  if (Boost_VERSION_STRING VERSION_LESS 1.69.0)
+    list(APPEND BOOST_COMPONENTS system)
   endif()
-  if (BOOST_BEFORE_1_62)
-      message(FATAL_ERROR "Boost ${Boost_VERSION} (older than 1.62) is too old to link with OpenSSL ${OPENSSL_VERSION} (1.1 or newer) found at ${OPENSSL_INCLUDE_DIR} and ${OPENSSL_LIBRARIES}. "
-                          "Update Boost or install OpenSSL 1.0 and set path to it when running cmake: "
-                          "cmake -DOPENSSL_ROOT_DIR='/usr/include/openssl-1.0'")
+
+  # Boost Regex is header-only since 1.77
+  if (Boost_VERSION_STRING VERSION_LESS 1.77.0)
+    list(APPEND BOOST_COMPONENTS regex)
   endif()
+
+  message(STATUS "Boost components: ${BOOST_COMPONENTS}")
+
+  # Find required Boost libraries
+  find_package(Boost ${BOOST_MIN_VER} QUIET REQUIRED COMPONENTS ${BOOST_COMPONENTS})
+  set(CMAKE_FIND_LIBRARY_SUFFIXES ${OLD_LIB_SUFFIXES})
 endif()
 
+add_definitions(-DBOOST_ASIO_ENABLE_SEQUENTIAL_STRAND_ALLOCATION)
+add_definitions(-DBOOST_NO_AUTO_PTR)
+add_definitions(-DBOOST_UUID_DISABLE_ALIGNMENT) # This restores UUID's std::has_unique_object_representations property
+
 include_directories(SYSTEM ${Boost_INCLUDE_DIRS})
 if(MINGW)
   set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wa,-mbig-obj")

README.md

@@ -167,7 +167,7 @@ library archives (`.a`).
 | GCC          | 7             | NO       | `build-essential`    | `base-devel` | `base-devel`       | `gcc`               | NO       |                 |
 | CMake        | 3.5           | NO       | `cmake`              | `cmake`      | `cmake`            | `cmake`             | NO       |                 |
 | pkg-config   | any           | NO       | `pkg-config`         | `base-devel` | `base-devel`       | `pkgconf`           | NO       |                 |
-| Boost        | 1.58          | NO       | `libboost-all-dev`   | `boost`      | `boost-devel`      | `boost-devel`       | NO       | C++ libraries   |
+| Boost        | 1.62          | NO       | `libboost-all-dev`   | `boost`      | `boost-devel`      | `boost-devel`       | NO       | C++ libraries   |
 | OpenSSL      | basically any | NO       | `libssl-dev`         | `openssl`    | `openssl-devel`    | `openssl-devel`     | NO       | sha256 sum      |
 | libzmq       | 4.2.0         | NO       | `libzmq3-dev`        | `zeromq`     | `zeromq-devel`     | `zeromq-devel`      | NO       | ZeroMQ library  |
 | OpenPGM      | ?             | NO       | `libpgm-dev`         | `libpgm`     |                    | `openpgm-devel`     | NO       | For ZeroMQ      |