[llvm-commits] [llvm] r59763 - /llvm/trunk/cmake/modules/TableGen.cmake
Oscar Fuentes
ofv at wanadoo.es
Thu Nov 20 16:18:45 PST 2008
Author: ofv
Date: Thu Nov 20 18:18:45 2008
New Revision: 59763
URL: http://llvm.org/viewvc/llvm-project?rev=59763&view=rev
Log:
CMake: Do not rebuild the world when tblgen changes but the .inc files
it produces are not affected by the change.
Modified:
llvm/trunk/cmake/modules/TableGen.cmake
Modified: llvm/trunk/cmake/modules/TableGen.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/TableGen.cmake?rev=59763&r1=59762&r2=59763&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/TableGen.cmake (original)
+++ llvm/trunk/cmake/modules/TableGen.cmake Thu Nov 20 18:18:45 2008
@@ -4,9 +4,16 @@
macro(tablegen ofn)
file(GLOB all_tds "*.td")
+ add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
+ COMMAND ${LLVM_TABLEGEN} ${ARGN} -I ${CMAKE_CURRENT_SOURCE_DIR}
+ -I ${LLVM_MAIN_SRC_DIR}/lib/Target -I ${LLVM_MAIN_INCLUDE_DIR}
+ ${CMAKE_CURRENT_SOURCE_DIR}/${LLVM_TARGET_DEFINITIONS} -o ${ofn}.tmp
+ DEPENDS ${LLVM_TABLEGEN} ${all_tds}
+ COMMENT "Building ${ofn}.tmp..."
+ )
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn}
- COMMAND ${LLVM_TABLEGEN} ${ARGN} -I ${CMAKE_CURRENT_SOURCE_DIR} -I ${LLVM_MAIN_SRC_DIR}/lib/Target -I ${LLVM_MAIN_INCLUDE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/${LLVM_TARGET_DEFINITIONS} -o ${ofn}
- DEPENDS tblgen ${all_tds}
+ COMMAND ${CMAKE_COMMAND} -E copy_if_different ${ofn}.tmp ${ofn}
+ DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
COMMENT "Building ${ofn}..."
)
set(TABLEGEN_OUTPUT ${TABLEGEN_OUTPUT} ${CMAKE_CURRENT_BINARY_DIR}/${ofn})
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