Commit 0d3eb139 authored by Brad King's avatar Brad King
Browse files

Android: Add CMAKE_ANDROID_NDK_TOOLCHAIN_HOST_TAG variable



The NDK provides prebuilt toolchain files in directories named for the
host architecture.  The NDK build system calls this `HOST_TAG`.
Expose the value publicly for use by clients that need to pass it
to external tools.
Suggested-by: Ruslan Baratov's avatarRuslan Baratov <ruslan_baratov@yahoo.com>
parent 236d6244
......@@ -241,6 +241,7 @@ Variables that Control the Build
/variable/CMAKE_ANDROID_NATIVE_LIB_DEPENDENCIES
/variable/CMAKE_ANDROID_NATIVE_LIB_DIRECTORIES
/variable/CMAKE_ANDROID_NDK
/variable/CMAKE_ANDROID_NDK_TOOLCHAIN_HOST_TAG
/variable/CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION
/variable/CMAKE_ANDROID_PROCESS_MAX
/variable/CMAKE_ANDROID_PROGUARD
......
CMAKE_ANDROID_NDK_TOOLCHAIN_HOST_TAG
------------------------------------
When :ref:`Cross Compiling for Android with the NDK`, this variable
provides the NDK's "host tag" used to construct the path to prebuilt
toolchains that run on the host.
......@@ -210,6 +210,7 @@ endif()
# Help CMakeFindBinUtils locate things.
set(_CMAKE_TOOLCHAIN_PREFIX "${_ANDROID_TOOL_PREFIX}")
set(_ANDROID_TOOL_NDK_TOOLCHAIN_HOST_TAG "${_ANDROID_HOST_DIR}")
set(_ANDROID_TOOL_NDK_TOOLCHAIN_VERSION "${_ANDROID_TOOL_VERS_NDK}")
set(_ANDROID_TOOL_C_TOOLCHAIN_VERSION "${_ANDROID_TOOL_VERS}")
......
......@@ -58,4 +58,5 @@ else()
set(_ANDROID_TOOL_CXX_COMPILER_EXTERNAL_TOOLCHAIN "")
endif()
set(_ANDROID_TOOL_NDK_TOOLCHAIN_HOST_TAG "")
set(_ANDROID_TOOL_NDK_TOOLCHAIN_VERSION "")
......@@ -40,6 +40,7 @@ if(CMAKE_ANDROID_NDK)
elseif(CMAKE_ANDROID_STANDALONE_TOOLCHAIN)
include(Platform/Android/Determine-Compiler-Standalone)
else()
set(_ANDROID_TOOL_NDK_TOOLCHAIN_HOST_TAG "")
set(_ANDROID_TOOL_NDK_TOOLCHAIN_VERSION "")
set(_ANDROID_TOOL_C_COMPILER "")
set(_ANDROID_TOOL_C_TOOLCHAIN_VERSION "")
......@@ -62,6 +63,7 @@ macro(__android_determine_compiler lang)
# Save the Android-specific information in CMake${lang}Compiler.cmake.
set(CMAKE_${lang}_COMPILER_CUSTOM_CODE "
set(CMAKE_ANDROID_NDK_TOOLCHAIN_HOST_TAG \"${_ANDROID_TOOL_NDK_TOOLCHAIN_HOST_TAG}\")
set(CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION \"${_ANDROID_TOOL_NDK_TOOLCHAIN_VERSION}\")
set(CMAKE_${lang}_ANDROID_TOOLCHAIN_VERSION \"${_ANDROID_TOOL_${lang}_TOOLCHAIN_VERSION}\")
set(CMAKE_${lang}_COMPILER_EXTERNAL_TOOLCHAIN \"${_ANDROID_TOOL_${lang}_COMPILER_EXTERNAL_TOOLCHAIN}\")
......
......@@ -32,6 +32,14 @@ if(CMAKE_ANDROID_NDK)
"which does not appear in CMAKE_C_COMPILER:\n"
" ${CMAKE_C_COMPILER}")
endif()
if(NOT CMAKE_ANDROID_NDK_TOOLCHAIN_HOST_TAG)
message(SEND_ERROR "CMAKE_ANDROID_NDK_TOOLCHAIN_HOST_TAG is not set!")
elseif(NOT "${CMAKE_C_COMPILER}" MATCHES "prebuilt/${CMAKE_ANDROID_NDK_TOOLCHAIN_HOST_TAG}/bin")
message(SEND_ERROR "CMAKE_ANDROID_NDK_TOOLCHAIN_HOST_TAG is\n"
" ${CMAKE_ANDROID_NDK_TOOLCHAIN_HOST_TAG}\n"
"which does not appear in CMAKE_C_COMPILER:\n"
" ${CMAKE_C_COMPILER}")
endif()
elseif(CMAKE_ANDROID_STANDALONE_TOOLCHAIN)
execute_process(
COMMAND ${CMAKE_ANDROID_STANDALONE_TOOLCHAIN}/bin/clang --version
......
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