build: Refactor CMake modules

This moves the CMake build logic out of the source tree and splits it
up into a more modular form. The tests now have a CMakeLists.txt file
in their respective source directory.

Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>

2 files changed, 1 insertions, 339 deletions

diff --git a/src/lib/CMakeLists.txt b/src/lib/CMakeLists.txt
deleted file mode 100644
index 14e89976..00000000
--- a/src/lib/CMakeLists.txt
+++ /dev/null
@@ -1,338 +0,0 @@
-include_directories(${CMAKE_CURRENT_SOURCE_DIR})
-include_directories(${CMAKE_CURRENT_BINARY_DIR})
-
-include_directories(${CMAKE_SOURCE_DIR}/include)
-include_directories(${CMAKE_BINARY_DIR}/include)
-
-protobuf_generate_c(MODEL_PROTO_SRCS MODEL_PROTO_HDRS
-  pb/model.proto)
-protobuf_generate_c(IPCP_CONFIG_PROTO_SRCS IPCP_CONFIG_PROTO_HDRS
-  pb/ipcp_config.proto)
-protobuf_generate_c(ENROLL_PROTO_SRCS ENROLL_PROTO_HDRS
-  pb/enroll.proto)
-protobuf_generate_c(CEP_PROTO_SRCS CEP_PROTO_HDRS
-  pb/cep.proto)
-protobuf_generate_c(IRM_PROTO_SRCS IRM_PROTO_HDRS
-  pb/irm.proto)
-protobuf_generate_c(IPCP_PROTO_SRCS IPCP_PROTO_HDRS
-  pb/ipcp.proto)
-
-if (NOT APPLE)
-  find_library(LIBRT_LIBRARIES rt)
-  if (NOT LIBRT_LIBRARIES)
-    message(FATAL_ERROR "Could not find librt")
-  endif ()
-else ()
-  set(LIBRT_LIBRARIES "")
-endif ()
-
-find_library(LIBPTHREAD_LIBRARIES pthread)
-if (NOT LIBPTHREAD_LIBRARIES)
-  message(FATAL_ERROR "Could not find libpthread")
-endif ()
-
-include(CheckSymbolExists)
-list(APPEND CMAKE_REQUIRED_DEFINITIONS -D_POSIX_C_SOURCE=200809L)
-list(APPEND CMAKE_REQUIRED_DEFINITIONS -D__XSI_VISIBLE=500)
-list(APPEND CMAKE_REQUIRED_LIBRARIES pthread)
-check_symbol_exists(pthread_mutexattr_setrobust pthread.h HAVE_ROBUST_MUTEX)
-
-if (HAVE_ROBUST_MUTEX)
-  set(DISABLE_ROBUST_MUTEXES FALSE CACHE BOOL "Disable robust mutex support")
-  if (NOT DISABLE_ROBUST_MUTEXES)
-    message(STATUS "Robust mutex support enabled")
-    set(HAVE_ROBUST_MUTEX TRUE)
-  else ()
-    message(STATUS "Robust mutex support disabled by user")
-    unset(HAVE_ROBUST_MUTEX)
-  endif ()
-else()
-  message(STATUS "Robust mutex support not available")
-  unset(HAVE_ROBUST_MUTEX)
-endif ()
-
-find_library(FUSE_LIBRARIES fuse QUIET)
-if (FUSE_LIBRARIES)
-  #FIXME: Check for version >= 2.6
-  set(DISABLE_FUSE FALSE CACHE BOOL "Disable FUSE support")
-  if (NOT DISABLE_FUSE)
-    message(STATUS "FUSE support enabled")
-    set(FUSE_PREFIX "/tmp/ouroboros" CACHE STRING
-    "Mountpoint for RIB filesystem")
-    set(HAVE_FUSE TRUE CACHE INTERNAL "")
-  else ()
-    message(STATUS "FUSE support disabled by user")
-    unset(HAVE_FUSE CACHE)
-  endif ()
-else ()
-  message(STATUS "Install FUSE version > 2.6 to enable RIB access")
-endif ()
-
-if (NOT HAVE_FUSE)
-  set(FUSE_LIBRARIES "")
-  set(FUSE_INCLUDE_DIR "")
-endif ()
-
-mark_as_advanced(FUSE_LIBRARIES)
-
-find_library(LIBGCRYPT_LIBRARIES gcrypt QUIET)
-if (LIBGCRYPT_LIBRARIES)
-  find_path(LIBGCRYPT_INCLUDE_DIR gcrypt.h
-            HINTS /usr/include /usr/local/include)
-  if (LIBGCRYPT_INCLUDE_DIR)
-    file(STRINGS ${LIBGCRYPT_INCLUDE_DIR}/gcrypt.h GCSTR
-      REGEX "^#define GCRYPT_VERSION ")
-    string(REGEX REPLACE "^#define GCRYPT_VERSION \"(.*)\".*$" "\\1"
-      GCVER "${GCSTR}")
-    if (NOT GCVER VERSION_LESS "1.7.0")
-      set(DISABLE_LIBGCRYPT FALSE CACHE BOOL "Disable libgcrypt support")
-      if (NOT DISABLE_LIBGCRYPT)
-        message(STATUS "libgcrypt support enabled")
-        set(HAVE_LIBGCRYPT TRUE CACHE INTERNAL "")
-      else ()
-        message(STATUS "libgcrypt support disabled by user")
-        unset(HAVE_LIBGCRYPT CACHE)
-      endif()
-    else ()
-      message(STATUS "Install version >= \"1.7.0\" to enable libgcrypt support "
-                     "(found version \"${GCVER}\")")
-    endif()
-  endif ()
-endif ()
-
-if (NOT HAVE_LIBGCRYPT)
-  set(LIBGCRYPT_LIBRARIES "")
-  set(LIBGCRYPT_INCLUDE_DIR "")
-endif ()
-
-find_package(OpenSSL QUIET)
-if (OPENSSL_FOUND)
-  set(HAVE_OPENSSL_RNG TRUE)
-  if (OPENSSL_VERSION VERSION_LESS "1.1.0")
-    message(STATUS "Install version >= \"1.1.0\" to enable OpenSSL support "
-                   "(found version \"${OPENSSL_VERSION}\")")
-  else ()
-    set(DISABLE_OPENSSL FALSE CACHE BOOL "Disable OpenSSL support")
-    if (NOT DISABLE_OPENSSL)
-      message(STATUS "OpenSSL support enabled")
-      set(HAVE_OPENSSL TRUE CACHE INTERNAL "")
-    else()
-      message(STATUS "OpenSSL support disabled")
-      unset(HAVE_OPENSSL)
-    endif()
-  endif ()
-  set(OPENSSL_SOURCES crypt/openssl.c)
-else()
-  message(STATUS "Install openSSL version >= \"1.1.0\" to enable OpenSSL support")
-  unset(HAVE_OPENSSL_RNG)
-  unset(HAVE_OPENSSL)
-  set(OPENSSL_INCLUDE_DIR "")
-  set(OPENSSL_LIBRARIES "")
-  set(OPENSSL_CRYPTO_LIBRARY "")
-  set(OPENSSL_SOURCES "")
-endif ()
-
-if (APPLE OR CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
-  set(SYS_RND_HDR "")
-else ()
-  find_path(SYS_RND_HDR sys/random.h PATH /usr/include/ /usr/local/include/)
-  if (SYS_RND_HDR)
-    message(STATUS "Found sys/random.h in ${SYS_RND_HDR}")
-    set(HAVE_SYS_RANDOM TRUE)
-  else ()
-    set(SYS_RND_HDR "")
-    unset(HAVE_SYS_RANDOM)
-  endif ()
-endif()
-
-if (NOT ((CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") OR APPLE OR
-  HAVE_SYS_RANDOM OR HAVE_OPENSSL_RNG OR HAVE_LIBGCRYPT))
-  message(FATAL_ERROR "No secure random generator found, "
-                      "please install libgcrypt (> 1.7.0) or OpenSSL")
-endif ()
-
-mark_as_advanced(LIBRT_LIBRARIES LIBPTHREAD_LIBRARIES
-  LIBGCRYPT_LIBRARIES OPENSSL_LIBRARIES OPENSSL_CRYPTO_LIBRARY
-  SYS_RND_INCLUDE_DIR LIBGCRYPT_INCLUDE_DIR SYS_RND_HDR)
-
-set(SHM_BUFFER_SIZE 16384 CACHE STRING
-    "Number of blocks in packet buffer, must be a power of 2")
-set(SHM_RBUFF_SIZE 1024 CACHE STRING
-    "Number of blocks in rbuff buffer, must be a power of 2")
-set(SYS_MAX_FLOWS 10240 CACHE STRING
-  "Maximum number of total flows for this system")
-set(PROG_MAX_FLOWS 4096 CACHE STRING
-  "Maximum number of flows in an application")
-set(PROG_RES_FDS 64 CACHE STRING
-  "Number of reserved flow descriptors per application")
-set(PROG_MAX_FQUEUES 32 CACHE STRING
-  "Maximum number of flow sets per application")
-set(DU_BUFF_HEADSPACE 256 CACHE STRING
-  "Bytes of headspace to reserve for future headers")
-set(DU_BUFF_TAILSPACE 32 CACHE STRING
-  "Bytes of tailspace to reserve for future tails")
-if (NOT APPLE)
-  set(PTHREAD_COND_CLOCK "CLOCK_MONOTONIC" CACHE STRING
-    "Clock to use for condition variable timing")
-else ()
-  set(PTHREAD_COND_CLOCK "CLOCK_REALTIME" CACHE INTERNAL
-    "Clock to use for condition variable timing")
-endif ()
-set(SOCKET_TIMEOUT 500 CACHE STRING
-  "Default timeout for responses from IPCPs (ms)")
-set(SHM_PREFIX "ouroboros" CACHE STRING
-  "String to prepend to POSIX shared memory filenames")
-set(SHM_RBUFF_PREFIX "/${SHM_PREFIX}.rbuff." CACHE INTERNAL
-  "Prefix for rbuff POSIX shared memory filenames")
-set(SHM_LOCKFILE_NAME "/${SHM_PREFIX}.lockfile" CACHE INTERNAL
-  "Filename for the POSIX shared memory lockfile")
-set(SHM_FLOW_SET_PREFIX "/${SHM_PREFIX}.set." CACHE INTERNAL
-  "Prefix for the POSIX shared memory flow set")
-set(SHM_RDRB_NAME "/${SHM_PREFIX}.rdrb" CACHE INTERNAL
-  "Name for the main POSIX shared memory buffer")
-set(SHM_RDRB_BLOCK_SIZE "sysconf(_SC_PAGESIZE)" CACHE STRING
-  "Packet buffer block size, multiple of pagesize for performance")
-set(SHM_RDRB_MULTI_BLOCK TRUE CACHE BOOL
-  "Packet buffer multiblock packet support")
-set(SHM_RBUFF_LOCKLESS FALSE CACHE BOOL
-  "Enable shared memory lockless rbuff support")
-set(QOS_DISABLE_CRC TRUE CACHE BOOL
-  "Ignores ber setting on all QoS cubes")
-set(DELTA_T_MPL 60 CACHE STRING
-  "Maximum packet lifetime (s)")
-set(DELTA_T_ACK 10 CACHE STRING
-  "Maximum time to acknowledge a packet (s)")
-set(DELTA_T_RTX 120 CACHE STRING
-  "Maximum time to retransmit a packet (s)")
-set(FRCT_REORDER_QUEUE_SIZE 256 CACHE STRING
-  "Size of the reordering queue, must be a power of 2")
-set(FRCT_START_WINDOW 64 CACHE STRING
-  "Start window, must be a power of 2")
-set(FRCT_LINUX_RTT_ESTIMATOR TRUE CACHE BOOL
-  "Use Linux RTT estimator formula instead of the TCP RFC formula")
-set(FRCT_RTO_MDEV_MULTIPLIER 2 CACHE STRING
-  "Multiplier for deviation term in the RTO: RTO = sRTT + (mdev << X)")
-set(FRCT_RTO_INC_FACTOR 0 CACHE STRING
-  "Divisor for RTO increase after timeout: RTO += RTX >> X, 0: Karn/Partridge")
-set(FRCT_RTO_MIN 250 CACHE STRING
-  "Minimum Retransmission Timeout (RTO) for FRCT (us)")
-set(FRCT_TICK_TIME 5000 CACHE STRING
-  "Tick time for FRCT activity (retransmission, acknowledgments) (us)")
-set(RXM_BUFFER_ON_HEAP FALSE CACHE BOOL
-  "Store packets for retransmission on the heap instead of in packet buffer")
-set(RXM_BLOCKING TRUE CACHE BOOL
-  "Use blocking writes for retransmission")
-set(RXM_MIN_RESOLUTION 20 CACHE STRING
-  "Minimum retransmission delay (ns), as a power to 2")
-set(RXM_WHEEL_MULTIPLIER 4 CACHE STRING
-  "Factor for retransmission wheel levels as a power to 2")
-set(RXM_WHEEL_LEVELS 3 CACHE STRING
-  "Number of levels in the retransmission wheel")
-set(RXM_WHEEL_SLOTS_PER_LEVEL 256 CACHE STRING
-  "Number of slots per level in the retransmission wheel, must be a power of 2")
-set(ACK_WHEEL_SLOTS 256 CACHE STRING
-  "Number of slots in the acknowledgment wheel, must be a power of 2")
-set(ACK_WHEEL_RESOLUTION 18 CACHE STRING
-  "Minimum acknowledgment delay (ns), as a power to 2")
-set(TPM_DEBUG_REPORT_INTERVAL 0 CACHE STRING
-  "Interval at wich the TPM will report long running threads (s), 0 disables")
-set(TPM_DEBUG_ABORT_TIMEOUT 0 CACHE STRING
-  "TPM abort process after a thread reaches this timeout (s), 0 disables")
-
-if (HAVE_FUSE)
-  set(PROC_FLOW_STATS TRUE CACHE BOOL
-    "Enable flow statistics tracking for application flows")
-    if (PROC_FLOW_STATS)
-       message(STATUS "Application flow statistics enabled")
-    else ()
-       message(STATUS "Application flow statistics disabled")
-    endif ()
-endif ()
-
-set(SOURCE_FILES_DEV
-  # Add source files here
-  cep.c
-  dev.c
-  )
-
-set(SOURCE_FILES_IRM
-  irm.c
-)
-
-set(SOURCE_FILES_COMMON
-  bitmap.c
-  btree.c
-  crc32.c
-  crypt.c
-  hash.c
-  list.c
-  lockfile.c
-  logs.c
-  md5.c
-  notifier.c
-  protobuf.c
-  qoscube.c
-  random.c
-  rib.c
-  serdes-irm.c
-  serdes-oep.c
-  sha3.c
-  shm_flow_set.c
-  shm_rbuff.c
-  shm_rdrbuff.c
-  sockets.c
-  tpm.c
-  utils.c
-)
-
-configure_file("${CMAKE_CURRENT_SOURCE_DIR}/config.h.in"
-  "${CMAKE_CURRENT_BINARY_DIR}/config.h" @ONLY)
-
-add_library(ouroboros-common SHARED ${SOURCE_FILES_COMMON} ${IRM_PROTO_SRCS}
-  ${IPCP_PROTO_SRCS} ${IPCP_CONFIG_PROTO_SRCS} ${MODEL_PROTO_SRCS}
-  ${ENROLL_PROTO_SRCS} ${OPENSSL_SOURCES})
-
-add_library(ouroboros-dev SHARED ${SOURCE_FILES_DEV} ${CEP_PROTO_SRCS})
-
-add_library(ouroboros-irm SHARED ${SOURCE_FILES_IRM})
-
-set_target_properties(ouroboros-common PROPERTIES
-  VERSION ${PACKAGE_VERSION}
-  SOVERSION ${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR})
-set_target_properties(ouroboros-dev PROPERTIES
-  VERSION ${PACKAGE_VERSION}
-  SOVERSION ${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR})
-set_target_properties(ouroboros-irm PROPERTIES
-  VERSION ${PACKAGE_VERSION}
-  SOVERSION ${PACKAGE_VERSION_MAJOR}.${PACKAGE_VERSION_MINOR})
-
-include(AddCompileFlags)
-if (CMAKE_BUILD_TYPE MATCHES "Debug*")
-  add_compile_flags(ouroboros-common -DCONFIG_OUROBOROS_DEBUG)
-  add_compile_flags(ouroboros-dev -DCONFIG_OUROBOROS_DEBUG)
-  add_compile_flags(ouroboros-irm -DCONFIG_OUROBOROS_DEBUG)
-endif ()
-
-target_link_libraries(ouroboros-common ${LIBRT_LIBRARIES}
-  ${LIBPTHREAD_LIBRARIES} ${PROTOBUF_C_LIBRARY} ${OPENSSL_CRYPTO_LIBRARY}
-  ${LIBGCRYPT_LIBRARIES} ${FUSE_LIBRARIES})
-
-target_link_libraries(ouroboros-dev ouroboros-common)
-target_link_libraries(ouroboros-irm ouroboros-common)
-
-install(TARGETS ouroboros-common LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
-install(TARGETS ouroboros-dev LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
-install(TARGETS ouroboros-irm LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
-
-target_include_directories(ouroboros-common PUBLIC ${CMAKE_CURRENT_BINARY_DIR}
-  ${SYS_RND_HDR} ${LIBGCRYPT_INCLUDE_DIR} ${OPENSSL_INCLUDE_DIR})
-
-target_include_directories(ouroboros-dev PUBLIC ${CMAKE_CURRENT_BINARY_DIR}
-  ${SYS_RND_HDR} ${LIBGCRYPT_INCLUDE_DIR} ${OPENSSL_INCLUDE_DIR})
-
-target_include_directories(ouroboros-irm PUBLIC ${CMAKE_CURRENT_BINARY_DIR}
-  ${SYS_RND_HDR} ${LIBGCRYPT_INCLUDE_DIR} ${OPENSSL_INCLUDE_DIR})
-
-if(BUILD_TESTS)
-  add_subdirectory(tests)
-endif ()
diff --git a/src/lib/tests/CMakeLists.txt b/src/lib/tests/CMakeLists.txt
index 752d9065..8af8e9dd 100644
--- a/src/lib/tests/CMakeLists.txt
+++ b/src/lib/tests/CMakeLists.txt
@@ -32,7 +32,7 @@ endif()
 
 foreach (test ${tests_to_run})
   get_filename_component(test_name ${test} NAME_WE)
-  add_test(${test_name} ${C_TEST_PATH}/${PARENT_DIR}_test ${test_name})
+  add_test(${test_name} ${CMAKE_CURRENT_BINARY_DIR}/${PARENT_DIR}_test ${test_name})
 endforeach (test)
 
 set_property(TEST auth_test PROPERTY SKIP_RETURN_CODE 1)