5 message(FATAL_ERROR "Perl required but not found!")
6 endif( NOT PERL_FOUND )
8 set(PERL ${PERL_EXECUTABLE})
9 set(VERSION PACKAGE_VERSION)
10 set(PREFIX ${LLVM_BINARY_DIR}) # TODO: Root for `make install'.
11 set(abs_top_srcdir ${LLVM_MAIN_SRC_DIR})
12 set(abs_top_builddir ${LLVM_BINARY_DIR})
13 execute_process(COMMAND date
14 OUTPUT_VARIABLE LLVM_CONFIGTIME
15 OUTPUT_STRIP_TRAILING_WHITESPACE)
16 # LLVM_ON_UNIX and LLVM_ON_WIN32 already set.
17 # those are set to blank by `autoconf' on MinGW, so it seems they are not required:
21 test_big_endian(IS_BIG_ENDIAN)
26 endif( IS_BIG_ENDIAN )
27 set(SHLIBEXT ${LTDL_SHLIB_EXT})
29 set(OS "${CMAKE_SYSTEM}")
30 set(ARCH "${LLVM_NATIVE_ARCH}")
32 get_system_libs(LLVM_SYSTEM_LIBS_LIST)
33 foreach(l ${LLVM_SYSTEM_LIBS_LIST})
34 set(LLVM_SYSTEM_LIBS ${LLVM_SYSTEM_LIBS} "-l${l}")
37 foreach(c ${LLVM_TARGETS_TO_BUILD})
38 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}")
40 set(TARGETS_TO_BUILD ${TARGETS_BUILT})
41 set(TARGET_HAS_JIT "1") # TODO
43 # Avoids replacement at config-time:
44 set(LLVM_CPPFLAGS "@LLVM_CPPFLAGS@")
45 set(LLVM_CFLAGS "@LLVM_CFLAGS@")
46 set(LLVM_CXXFLAGS "@LLVM_CXXFLAGS@")
47 set(LLVM_LDFLAGS "@LLVM_LDFLAGS@")
49 set(LLVM_BUILDMODE "@LLVM_BUILDMODE@")
52 ${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.in.in
53 ${CMAKE_CURRENT_BINARY_DIR}/llvm-config.in
57 set(LIBDEPS ${CMAKE_CURRENT_BINARY_DIR}/LibDeps.txt)
58 set(LIBDEPS_TMP ${CMAKE_CURRENT_BINARY_DIR}/LibDeps.txt.tmp)
59 set(FINAL_LIBDEPS ${CMAKE_CURRENT_BINARY_DIR}/FinalLibDeps.txt)
60 set(LLVM_CONFIG ${LLVM_TOOLS_BINARY_DIR}/llvm-config)
61 set(LLVM_CONFIG_IN ${CMAKE_CURRENT_BINARY_DIR}/llvm-config.in)
63 if( CMAKE_CROSSCOMPILING )
64 set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
67 find_program(NM_PATH nm PATH_SUFFIXES /bin)
70 message(FATAL_ERROR "`nm' not found")
73 add_custom_command(OUTPUT ${LIBDEPS_TMP}
74 COMMAND ${PERL_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/GenLibDeps.pl -flat ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/${CMAKE_CFG_INTDIR} ${NM_PATH} > ${LIBDEPS_TMP}
76 COMMENT "Regenerating ${LIBDEPS_TMP}")
78 add_custom_command(OUTPUT ${LIBDEPS}
79 COMMAND ${CMAKE_COMMAND} -E copy_if_different ${LIBDEPS_TMP} ${LIBDEPS}
80 DEPENDS ${LIBDEPS_TMP}
81 COMMENT "Updating ${LIBDEPS} if necessary...")
83 # This must stop the build if find-cycles.pl returns error:
84 add_custom_command(OUTPUT ${FINAL_LIBDEPS}
85 COMMAND ${CMAKE_COMMAND} -E remove -f ${FINAL_LIBDEPS} ${FINAL_LIBDEPS}.tmp
86 COMMAND ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/find-cycles.pl < ${LIBDEPS} > ${FINAL_LIBDEPS}.tmp
87 COMMAND ${CMAKE_COMMAND} -E copy ${FINAL_LIBDEPS}.tmp ${FINAL_LIBDEPS}
89 COMMENT "Checking for cyclic dependencies between LLVM libraries.")
91 set(C_FLGS "${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
92 set(CXX_FLGS "${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
93 set(CPP_FLGS "${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
95 # We don't want certain flags on the output of
96 # llvm-config --cflags --cxxflags
97 macro(remove_option_from_llvm_config option)
98 llvm_replace_compiler_option(C_FLGS "${option}" "")
99 llvm_replace_compiler_option(CXX_FLGS "${option}" "")
100 llvm_replace_compiler_option(CPP_FLGS "${option}" "")
101 endmacro(remove_option_from_llvm_config)
102 remove_option_from_llvm_config("-pedantic")
103 remove_option_from_llvm_config("-Wall")
104 remove_option_from_llvm_config("-W")
106 add_custom_command(OUTPUT ${LLVM_CONFIG}
107 COMMAND echo 's!@LLVM_CPPFLAGS@!${CPP_FLGS}!' > temp.sed
108 COMMAND echo 's!@LLVM_CFLAGS@!${C_FLGS}!' >> temp.sed
109 COMMAND echo 's!@LLVM_CXXFLAGS@!${CXX_FLGS}!' >> temp.sed
110 # TODO: Use general flags for linking! not just for shared libs:
111 COMMAND echo 's!@LLVM_LDFLAGS@!${CMAKE_SHARED_LINKER_FLAGS}!' >> temp.sed
112 COMMAND echo 's!@LIBS@!${LLVM_SYSTEM_LIBS}!' >> temp.sed
113 COMMAND echo 's!@LLVM_BUILDMODE@!${CMAKE_BUILD_TYPE}!' >> temp.sed
114 COMMAND sed -f temp.sed < ${LLVM_CONFIG_IN} > ${LLVM_CONFIG}
115 COMMAND ${CMAKE_COMMAND} -E remove -f temp.sed
116 COMMAND cat ${FINAL_LIBDEPS} >> ${LLVM_CONFIG}
117 COMMAND chmod +x ${LLVM_CONFIG}
118 DEPENDS ${FINAL_LIBDEPS} ${LLVM_CONFIG_IN}
119 COMMENT "Building llvm-config script."
122 add_custom_target(llvm-config.target ALL
123 DEPENDS ${LLVM_CONFIG})
125 add_dependencies(llvm-config.target ${llvm_lib_targets})
127 # Make sure that llvm-config builds before the llvm tools, so we have
128 # LibDeps.txt and can use it for updating the hard-coded library
129 # dependencies on cmake/modules/LLVMLibDeps.cmake when the tools'
130 # build fail due to outdated dependencies:
131 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} llvm-config.target)
133 install(FILES ${LLVM_CONFIG}
134 PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE
135 WORLD_READ WORLD_EXECUTE
139 # Regeneration of library dependencies.
141 # See the comments at the end of cmake/modules/LLVMConfig.cmake for
142 # notes and guidelines.
144 set(LLVMLibDeps ${LLVM_MAIN_SRC_DIR}/cmake/modules/LLVMLibDeps.cmake)
145 set(LLVMLibDeps_TMP ${CMAKE_CURRENT_BINARY_DIR}/LLVMLibDeps.cmake.tmp)
147 add_custom_command(OUTPUT ${LLVMLibDeps_TMP}
148 COMMAND sed -e s'@\\.a@@g' -e s'@\\.so@@g' -e 's@libLLVM@LLVM@g' -e 's@: @ @' -e 's@\\\(.*\\\)@set\(MSVC_LIB_DEPS_\\1\)@' ${FINAL_LIBDEPS} > ${LLVMLibDeps_TMP}
149 COMMAND ${CMAKE_COMMAND} -E copy_if_different ${LLVMLibDeps_TMP} ${LLVMLibDeps}
150 DEPENDS ${FINAL_LIBDEPS}
151 COMMENT "Updating cmake library dependencies file ${LLVMLibDeps}"
154 if( LLVM_TARGETS_TO_BUILD STREQUAL LLVM_ALL_TARGETS )
155 add_custom_target(llvmlibdeps.target ALL DEPENDS ${LLVMLibDeps_TMP})
156 add_dependencies(llvmlibdeps.target llvm-config.target)
157 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} llvmlibdeps.target)
160 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE)