xiaobai created this revision.
xiaobai added reviewers: compnerd, sgraenitz.
Herald added a subscriber: mgorny.
When cross-compiling LLDB, we want to use llvm-tblgen built for the
host, not the target.
https://reviews.llvm.org/D57194
Files:
cmake/modules/LLDBStandalone.cmake
Index: cmake/modules/LLDBStandalone.cmake
===================================================================
--- cmake/modules/LLDBStandalone.cmake
+++ cmake/modules/LLDBStandalone.cmake
@@ -25,8 +25,29 @@
set(LLVM_BINARY_DIR ${LLVM_BUILD_BINARY_DIR} CACHE PATH "Path to LLVM build
tree")
set(LLVM_EXTERNAL_LIT ${LLVM_TOOLS_BINARY_DIR}/llvm-lit CACHE PATH "Path to
llvm-lit")
- find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR}
- NO_DEFAULT_PATH)
+ if(CMAKE_CROSSCOMPILING)
+ set(LLVM_NATIVE_BUILD "${LLDB_PATH_TO_LLVM_BUILD}/NATIVE")
+ if (NOT EXISTS "${LLVM_NATIVE_BUILD}")
+ message(FATAL_ERROR
+ "Attempting to cross-compile LLDB standalone but no native LLVM build
+ found. Please cross-compile LLVM as well.")
+ endif()
+
+ if (CMAKE_HOST_SYSTEM_NAME MATCHES "Windows")
+ set(HOST_EXECUTABLE_SUFFIX ".exe")
+ endif()
+
+ if (NOT CMAKE_CONFIGURATION_TYPES)
+ set(LLVM_TABLEGEN_EXE
+ "${LLVM_NATIVE_BUILD}/bin/llvm-tblgen${HOST_EXECUTABLE_SUFFIX}")
+ else()
+ set(LLVM_TABLEGEN_EXE
+
"${LLVM_NATIVE_BUILD}/Release/bin/llvm-tblgen${HOST_EXECUTABLE_SUFFIX}")
+ endif()
+ else()
+ find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR}
+ NO_DEFAULT_PATH)
+ endif()
# They are used as destination of target generators.
set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
Index: cmake/modules/LLDBStandalone.cmake
===================================================================
--- cmake/modules/LLDBStandalone.cmake
+++ cmake/modules/LLDBStandalone.cmake
@@ -25,8 +25,29 @@
set(LLVM_BINARY_DIR ${LLVM_BUILD_BINARY_DIR} CACHE PATH "Path to LLVM build tree")
set(LLVM_EXTERNAL_LIT ${LLVM_TOOLS_BINARY_DIR}/llvm-lit CACHE PATH "Path to llvm-lit")
- find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR}
- NO_DEFAULT_PATH)
+ if(CMAKE_CROSSCOMPILING)
+ set(LLVM_NATIVE_BUILD "${LLDB_PATH_TO_LLVM_BUILD}/NATIVE")
+ if (NOT EXISTS "${LLVM_NATIVE_BUILD}")
+ message(FATAL_ERROR
+ "Attempting to cross-compile LLDB standalone but no native LLVM build
+ found. Please cross-compile LLVM as well.")
+ endif()
+
+ if (CMAKE_HOST_SYSTEM_NAME MATCHES "Windows")
+ set(HOST_EXECUTABLE_SUFFIX ".exe")
+ endif()
+
+ if (NOT CMAKE_CONFIGURATION_TYPES)
+ set(LLVM_TABLEGEN_EXE
+ "${LLVM_NATIVE_BUILD}/bin/llvm-tblgen${HOST_EXECUTABLE_SUFFIX}")
+ else()
+ set(LLVM_TABLEGEN_EXE
+ "${LLVM_NATIVE_BUILD}/Release/bin/llvm-tblgen${HOST_EXECUTABLE_SUFFIX}")
+ endif()
+ else()
+ find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR}
+ NO_DEFAULT_PATH)
+ endif()
# They are used as destination of target generators.
set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
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