1 files changed, 99 insertions, 0 deletions

diff --git a/project/cmake/scripts/common/archsetup.cmake b/project/cmake/scripts/common/archsetup.cmake
new file mode 100644
index 0000000..dff5558
--- /dev/null
+++ b/project/cmake/scripts/common/archsetup.cmake
@@ -0,0 +1,99 @@
+# This script configures the build for a given architecture.
+# Flags and stringified arch is set up.
+# General compiler tests belongs here.
+#
+# On return, the following variables are set:
+# CMAKE_SYSTEM_NAME - a lowercased system name
+# CPU - the CPU on the target
+# ARCH - the system architecture
+# ARCH_DEFINES - list of compiler definitions for this architecture
+# SYSTEM_DEFINES - list of compiler definitions for this system
+# DEP_DEFINES - compiler definitions for system dependencies (e.g. LIRC)
+# + the results of compiler tests etc.
+
+include(CheckCXXSourceCompiles)
+include(CheckSymbolExists)
+include(CheckFunctionExists)
+
+# Macro to check if a given type exists in a given header
+# Arguments:
+#   header the header to check
+#   type   the type to check for existence
+#   var    the compiler definition to set if type exists
+# On return:
+#   If type was found, the definition is added to SYSTEM_DEFINES
+macro(check_type header type var)
+  check_cxx_source_compiles("#include <${header}>
+                             int main()
+                             {
+                               ${type} s;
+                             }" ${var})
+  if(${var})
+    list(APPEND SYSTEM_DEFINES -D${var}=1)
+  endif()
+endmacro()
+
+# Macro to check if a given builtin function exists
+# Arguments:
+#   func   the function to check
+#   var    the compiler definition to set if type exists
+# On return:
+#   If type was found, the definition is added to SYSTEM_DEFINES
+macro(check_builtin func var)
+  check_cxx_source_compiles("
+                             int main()
+                             {
+                               ${func};
+                             }" ${var})
+  if(${var})
+    list(APPEND SYSTEM_DEFINES -D${var}=1)
+  endif()
+endmacro()
+
+
+# -------- Main script --------- 
+message(STATUS "System type: ${CMAKE_SYSTEM_NAME}")
+if(NOT CORE_SYSTEM_NAME)
+  string(TOLOWER ${CMAKE_SYSTEM_NAME} CORE_SYSTEM_NAME)
+endif()
+
+if(WITH_CPU)
+  set(CPU ${WITH_CPU})
+elseif(NOT CMAKE_TOOLCHAIN_FILE)
+  set(CPU ${CMAKE_SYSTEM_PROCESSOR})
+endif()
+
+if(CMAKE_TOOLCHAIN_FILE)
+  if(NOT EXISTS "${CMAKE_TOOLCHAIN_FILE}")
+    message(FATAL_ERROR "Toolchain file ${CMAKE_TOOLCHAIN_FILE} does not exist.")
+  elseif(NOT DEPENDS_PATH OR NOT NATIVEPREFIX)
+    message(FATAL_ERROR "Toolchain did not define DEPENDS_PATH or NATIVEPREFIX. Possibly outdated depends.")
+  endif()
+endif()
+
+# Main cpp
+set(CORE_MAIN_SOURCE ${CORE_SOURCE_DIR}/xbmc/platform/posix/main.cpp)
+
+# system specific arch setup
+include(${PROJECT_SOURCE_DIR}/scripts/${CORE_SYSTEM_NAME}/archsetup.cmake)
+
+message(STATUS "Core system type: ${CORE_SYSTEM_NAME}")
+message(STATUS "Platform: ${PLATFORM}")
+message(STATUS "CPU: ${CPU}, ARCH: ${ARCH}")
+
+check_type(string std::u16string HAVE_STD__U16_STRING)
+check_type(string std::u32string HAVE_STD__U32_STRING)
+check_type(string char16_t HAVE_CHAR16_T)
+check_type(string char32_t HAVE_CHAR32_T)
+check_type(stdint.h uint_least16_t HAVE_STDINT_H)
+check_symbol_exists(posix_fadvise fcntl.h HAVE_POSIX_FADVISE)
+check_builtin("long* temp=0; long ret=__sync_add_and_fetch(temp, 1)" HAS_BUILTIN_SYNC_ADD_AND_FETCH)
+check_builtin("long* temp=0; long ret=__sync_sub_and_fetch(temp, 1)" HAS_BUILTIN_SYNC_SUB_AND_FETCH)
+check_builtin("long* temp=0; long ret=__sync_val_compare_and_swap(temp, 1, 1)" HAS_BUILTIN_SYNC_VAL_COMPARE_AND_SWAP)
+if(HAVE_POSIX_FADVISE)
+  list(APPEND SYSTEM_DEFINES -DHAVE_POSIX_FADVISE=1)
+endif()
+check_function_exists(localtime_r HAVE_LOCALTIME_R)
+if(HAVE_LOCALTIME_R)
+  list(APPEND SYSTEM_DEFINES -DHAVE_LOCALTIME_R=1)
+endif()