CMake: Support for cross-compiling. For now, requires a previously
built native tblgen which is passed to cmake in the variable
LLVM_TABLEGEN.
See
http://www.cmake.org/Wiki/CmakeMingw
for a quick example on how to cross-compile with CMake.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58939 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-config/CMakeLists.txt b/tools/llvm-config/CMakeLists.txt
index b5551bb..9f1f2f2 100644
--- a/tools/llvm-config/CMakeLists.txt
+++ b/tools/llvm-config/CMakeLists.txt
@@ -63,8 +63,16 @@
# set(LIBDEPS_TMP LibDeps.txt.tmp)
# set(FINAL_LIBDEPS FinalLibDeps.txt)
+if( CMAKE_CROSSCOMPILING )
+ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
+endif()
+
+if( NOT NM_PATH )
+ message(FATAL_ERROR "`nm' was not found")
+endif()
+
add_custom_command(OUTPUT ${LIBDEPS_TMP}
- COMMAND ${PERL_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/GenLibDeps.pl -flat ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY} > ${LIBDEPS_TMP}
+ COMMAND ${PERL_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/GenLibDeps.pl -flat ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY} ${NM_PATH} > ${LIBDEPS_TMP}
COMMENT "Regenerating ${LIBDEPS_TMP}")
add_custom_command(OUTPUT ${LIBDEPS}