-include(TestBigEndian)
-
-if( NOT PERL_FOUND )
- message(FATAL_ERROR "Perl required but not found!")
-endif( NOT PERL_FOUND )
-
-set(PERL ${PERL_EXECUTABLE})
-set(VERSION PACKAGE_VERSION)
-set(PREFIX ${LLVM_BINARY_DIR}) # TODO: Root for `make install'.
-execute_process(COMMAND date
- OUTPUT_VARIABLE LLVM_CONFIGTIME
- OUTPUT_STRIP_TRAILING_WHITESPACE)
-set(abs_top_srcdir ${LLVM_MAIN_SRC_DIR})
-set(abs_top_builddir ${LLVM_BINARY_DIR})
-# LLVM_ON_UNIX and LLVM_ON_WIN32 already set.
-# those are set to blank by `autoconf' on MinGW, so it seems they are not required:
-#set(LLVMGCCDIR "")
-#set(LLVMGCC "")
-#set(LLVMGXX "")
-#set(LLVMGCC_VERSION "")
-#set(LLVMGCC_MAJVERS "")
-test_big_endian(IS_BIG_ENDIAN)
-if( IS_BIG_ENDIAN )
- set(ENDIAN "big")
-else( IS_BIG_ENDIAN )
- set(ENDIAN "little")
-endif( IS_BIG_ENDIAN )
-set(SHLIBEXT ${LTDL_SHLIB_EXT})
-#EXEEXT already set.
-set(OS "${CMAKE_SYSTEM}")
-set(ARCH "X86") # TODO: This gives "i686" in Linux: "${CMAKE_SYSTEM_PROCESSOR}")
-# TODO: avoid using autoconf:
-set(config_guess ${LLVM_MAIN_SRC_DIR}/autoconf/config.guess)
-execute_process(COMMAND sh ${config_guess}
- RESULT_VARIABLE TT_RV
- OUTPUT_VARIABLE LLVM_TARGET_TRIPLET
- OUTPUT_STRIP_TRAILING_WHITESPACE)
-message(STATUS "Target triplet: ${LLVM_TARGET_TRIPLET}")
-if( NOT TT_RV EQUAL 0 )
- message(FATAL_ERROR "Failed to execute ${config_guess}")
-endif( NOT TT_RV EQUAL 0 )
-set(target ${LLVM_TARGET_TRIPLET})
-foreach(c ${LLVM_TARGETS_TO_BUILD})
- set(TARGETS_BUILT "${TARGETS_BUILT} ${c}")
-endforeach(c)
-set(TARGETS_TO_BUILD ${TARGETS_BUILT})
-set(TARGET_HAS_JIT "1") # TODO
-
-# Avoids replacement at config-time:
-set(LLVM_CPPFLAGS "@LLVM_CPPFLAGS@")
-set(LLVM_CFLAGS "@LLVM_CFLAGS@")
-set(LLVM_CXXFLAGS "@LLVM_CXXFLAGS@")
-set(LLVM_LDFLAGS "@LLVM_LDFLAGS@")
-set(LIBS "@LIBS@")
-set(LLVM_BUILDMODE "@LLVM_BUILDMODE@")
-
-configure_file(
- ${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.in.in
- ${CMAKE_CURRENT_BINARY_DIR}/llvm-config.in
- @ONLY
-)
-
-set(LIBDEPS ${CMAKE_CURRENT_BINARY_DIR}/LibDeps.txt)
-set(LIBDEPS_TMP ${CMAKE_CURRENT_BINARY_DIR}/LibDeps.txt.tmp)
-set(FINAL_LIBDEPS ${CMAKE_CURRENT_BINARY_DIR}/FinalLibDeps.txt)
-set(LLVM_CONFIG ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/llvm-config)
-set(LLVM_CONFIG_IN ${CMAKE_CURRENT_BINARY_DIR}/llvm-config.in)
-
-# set(LIBDEPS LibDeps.txt)
-# set(LIBDEPS_TMP LibDeps.txt.tmp)
-# set(FINAL_LIBDEPS FinalLibDeps.txt)
-
-add_custom_command(OUTPUT ${LIBDEPS_TMP}
- COMMAND ${PERL_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/GenLibDeps.pl -flat ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY} > ${LIBDEPS_TMP}
- COMMENT "Regenerating ${LIBDEPS_TMP}")
-
-add_custom_command(OUTPUT ${LIBDEPS}
- COMMAND cmp -s ${LIBDEPS_TMP} ${LIBDEPS} || \( cp ${LIBDEPS_TMP} ${LIBDEPS} && echo "Updated ${LIBDEPS} because dependencies changed" \)
- DEPENDS ${LIBDEPS_TMP})
-
-add_custom_command(OUTPUT ${FINAL_LIBDEPS}
- COMMAND ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/find-cycles.pl < ${LIBDEPS} > ${FINAL_LIBDEPS} || rm -f ${FINAL_LIBDEPS}
- DEPENDS ${LIBDEPS}
- COMMENT "Checking for cyclic dependencies between LLVM libraries.")
-
-add_custom_command(OUTPUT ${LLVM_CONFIG}
- COMMAND echo 's,@LLVM_CPPFLAGS@,${CMAKE_CPP_FLAGS},' > temp.sed
- COMMAND echo 's,@LLVM_CFLAGS@,${CMAKE_C_FLAGS},' >> temp.sed
- COMMAND echo 's,@LLVM_CXXFLAGS@,${CMAKE_CXX_FLAGS},' >> temp.sed
- # TODO: Use general flags for linking, not just for shared libs:
- COMMAND echo 's,@LLVM_LDFLAGS@,${CMAKE_SHARED_LINKER_FLAGS},' >> temp.sed
- COMMAND echo 's,@LIBS@,,' >> temp.sed # TODO: System libs
- COMMAND echo 's,@LLVM_BUILDMODE@,${CMAKE_BUILD_TYPE},' >> temp.sed
- COMMAND sed -f temp.sed < ${LLVM_CONFIG_IN} > ${LLVM_CONFIG}
- COMMAND rm temp.sed
- COMMAND cat ${FINAL_LIBDEPS} >> ${LLVM_CONFIG}
- COMMAND chmod +x ${LLVM_CONFIG}
- COMMAND cd ${LLVM_BINARY_DIR} && ${CMAKE_COMMAND} -U HAVE_LLVM_CONFIG ${LLVM_MAIN_SRC_DIR}
- DEPENDS ${FINAL_LIBDEPS} ${LLVM_CONFIG_IN}
- COMMENT "Building llvm-config script."
+set(LLVM_LINK_COMPONENTS support)
+
+# We need to generate the BuildVariables.inc file containing values which are
+# only defined when under certain build modes. Unfortunately, that precludes
+# doing this inside CMake so we have to shell out to sed. For now, that means we
+# can't expect to build llvm-config on Window.s
+set(BUILDVARIABLES_SRCPATH ${CMAKE_CURRENT_SOURCE_DIR}/BuildVariables.inc.in)
+set(BUILDVARIABLES_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.inc)
+set(SEDSCRIPT_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.configure.sed)
+
+# Compute the substitution values for various items.
+get_system_libs(LLVM_SYSTEM_LIBS_LIST)
+foreach(l ${LLVM_SYSTEM_LIBS_LIST})
+ set(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${l}")
+endforeach()
+set(C_FLGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
+set(CXX_FLGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
+set(CPP_FLGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
+
+add_custom_command(OUTPUT ${BUILDVARIABLES_OBJPATH}
+ COMMAND echo s!@LLVM_SRC_ROOT@!${LLVM_MAIN_SRC_DIR}! > ${SEDSCRIPT_OBJPATH}
+ COMMAND echo s!@LLVM_OBJ_ROOT@!${LLVM_BINARY_DIR}! >> ${SEDSCRIPT_OBJPATH}
+ COMMAND echo s!@LLVM_CPPFLAGS@!${CPP_FLGS}! >> ${SEDSCRIPT_OBJPATH}
+ COMMAND echo s!@LLVM_CFLAGS@!${C_FLGS}! >> ${SEDSCRIPT_OBJPATH}
+ COMMAND echo s!@LLVM_CXXFLAGS@!${CXX_FLGS}! >> ${SEDSCRIPT_OBJPATH}
+ # TODO: Use general flags for linking! not just for shared libs:
+ COMMAND echo s!@LLVM_LDFLAGS@!${CMAKE_SHARED_LINKER_FLAGS}! >> ${SEDSCRIPT_OBJPATH}
+ COMMAND echo s!@LLVM_BUILDMODE@!${CMAKE_BUILD_TYPE}! >> ${SEDSCRIPT_OBJPATH}
+ COMMAND echo s!@LLVM_SYSTEM_LIBS@!${SYSTEM_LIBS}! >> ${SEDSCRIPT_OBJPATH}
+ COMMAND echo s!@LLVM_TARGETS_BUILT@!${LLVM_TARGETS_TO_BUILD}! >> ${SEDSCRIPT_OBJPATH}
+ COMMAND sed -f ${SEDSCRIPT_OBJPATH} < ${BUILDVARIABLES_SRCPATH} > ${BUILDVARIABLES_OBJPATH}
+ VERBATIM
+ COMMENT "Building BuildVariables.inc include."
)
-add_custom_target(llvm-config.target ALL
- DEPENDS ${LLVM_CONFIG})
+# Add the llvm-config tool.
+add_llvm_tool(llvm-config
+ llvm-config.cpp
+ )
-add_dependencies(llvm-config.target ${llvm_lib_targets})
+# Add the dependency on the generation step.
+add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH})
projects / oota-llvm.git / blobdiff