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| author | Oscar Fuentes <ofv@wanadoo.es> | 2008-11-21 00:18:45 +0000 |
|---|---|---|
| committer | Oscar Fuentes <ofv@wanadoo.es> | 2008-11-21 00:18:45 +0000 |
| commit | a499f8eb1b6533162ae632aaa0521770076a991c (patch) | |
| tree | 93522d3bb2e478f1ccae6f6ad1bad6002ae01a8f /cmake | |
| parent | 8efc97bd7218f3e440491f52adfcc78f206eee78 (diff) | |
| download | external_llvm-a499f8eb1b6533162ae632aaa0521770076a991c.zip external_llvm-a499f8eb1b6533162ae632aaa0521770076a991c.tar.gz external_llvm-a499f8eb1b6533162ae632aaa0521770076a991c.tar.bz2 | |
CMake: Do not rebuild the world when tblgen changes but the .inc files
it produces are not affected by the change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59763 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/modules/TableGen.cmake | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/cmake/modules/TableGen.cmake b/cmake/modules/TableGen.cmake index 7836c4e..bea369f 100644 --- a/cmake/modules/TableGen.cmake +++ b/cmake/modules/TableGen.cmake @@ -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}) |