search for: cmake_system_nam

Hi; I am trying to cross compile LLVM for Android-NDK; I am using CMake as a build system; hence, i have defined CMAKE_SYSTEM_NAME variable so to turn on CMAKE_CROSSCOMPILING flag, being used by LLVM. As far as i understand from the LLVM structure; when cross compiling, executable are generated with two versions; one goes under the target build directory ${CMAKE_BINARY_DIR} and the other goes into ${CMAKE_BINARY_DIR}/native/...

I am trying to compile llvm using a toolchain file where I have specified the target system and compilers as suggested at https://cmake.org/cmake/help/latest/manual/cmake-toolchains.7.html#cross-compilation-tool chain: set(CMAKE_SYSTEM_NAME Linux) set(CMAKE_SYSTEM_PROCESSOR arm) set(CMAKE_C_COMPILER arm-unknown-linux-gnueabi-gcc) set(CMAKE_CXX_COMPILER arm-unknown-linux-gnueabi-g++) But the problem is that native tools like llvm-config, llvm-tblgen and clang-tblgen, which must be built by the native compiler, are also created by th...

...ATH "\$ORIGIN/../lib") >> + if(DEFINED GCC_INSTALL_PREFIX) >> + set(CMAKE_INSTALL_RPATH "${GCC_INSTALL_PREFIX}/lib") >> + else() >> + set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib") >> + endif() >> + >> if (${CMAKE_SYSTEM_NAME} MATCHES FreeBSD) >> set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} >> -Wl,-z,origin") >> endif() >> > -- >> 1.9.1.423.g4596e3a >> >> _______________________________________________ >> LLVM Developers mailing list >...

...Do you know what's the analog of Wl,-dead_strip on Linux? Apparently -Wl,—gc-sections. For some reason LLVM does not do it for gold, even though it seems to support this flag as well. (that could be another reason why you don’t see the failure on Linux) 1 if(NOT LLVM_NO_DEAD_STRIP) 2 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") 3 # ld64's implementation of -dead_strip breaks tools that use plugins. 4 set_property(TARGET ${target_name} APPEND_STRING PROPERTY 5 LINK_FLAGS " -Wl,-dead_strip") 6 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 7...

The CrossCompile module is in a perpetual state of "when I get a chance...", and desperately needs some cleanup. The problem you are hitting is caused by setting CMAKE_SYSTEM_NAME. When you set that CMake sets a variable CMAKE_CROSS_COMPILING. That variable should only be set when your host OS doesn't match your target OS. Since LLVM needs to build host-capable tools there is some goop to call out and configure a new CMake build directory to target the host. -Chris &g...

...if(NOT DEFINED CMAKE_INSTALL_RPATH) - set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib") + if(DEFINED GCC_INSTALL_PREFIX) + set(CMAKE_INSTALL_RPATH "${GCC_INSTALL_PREFIX}/lib") + else() + set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib") + endif() + if (${CMAKE_SYSTEM_NAME} MATCHES FreeBSD) set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-z,origin") endif() -- 1.9.1.423.g4596e3a

...;> Apparently -Wl,—gc-sections. >> For some reason LLVM does not do it for gold, even though it seems to >> support this flag as well. >> (that could be another reason why you don’t see the failure on Linux) >> >> 1 *if*(NOT LLVM_NO_DEAD_STRIP) >> 2 *if*(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") >> 3 # ld64's implementation of -dead_strip breaks tools that use >> plugins. >> 4 set_property(TARGET ${target_name} APPEND_STRING PROPERTY >> 5 LINK_FLAGS " -Wl,-dead_strip") >> 6 *elseif*(${C...

...Fedora 23, also works fine on Ubuntu, Cygwin, etc). I'm trying to recreate this with cmake so we don't get stuck on 3.8 indefinitely. Here's what I've got so far: cmake .. -DCMAKE_C_COMPILER=/usr/bin/i686-w64-mingw32-gcc \ -DCMAKE_CXX_COMPILER=/usr/bin/i686-w64-mingw32-g++ \ -DCMAKE_SYSTEM_NAME=Windows \ -DCMAKE_RC_COMPILER=/usr/bin/i686-w64-mingw32-windres # (some older versions of cmake have issues if you don't # specify an absolute path to windres) When this gets to "Configuring NATIVE targets" it calls cmake again trying to use the same mingw compilers, but without C...

...of "cxxrt" on FreeBSD. I am going to try the following diff: --- llvm.src/projects/libcxx/CMakeLists.txt +++ llvm.src/projects/libcxx/CMakeLists.txt @@ -135,6 +135,8 @@ elseif (APPLE) set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi") set(LIBCXX_CXX_ABI_SYSTEM 1) + elseif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD") + set(LIBCXX_CXX_ABI_LIBNAME "libcxxrt") else() set(LIBCXX_CXX_ABI_LIBNAME "default") endif() -Dimitry -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature...

I am trying to build LLVMgold.so on windows. I came across this piece of code which includes “gold” source directory in tools/CMakeLists.txt if( LLVM_ENABLE_PIC ) # TODO: support other systems: if( (CMAKE_SYSTEM_NAME STREQUAL "Linux") OR (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") ) add_llvm_tool_subdirectory(gold) else() ignore_llvm_tool_subdirectory(gold) endif() else() ignore_llvm_tool_subdirectory(gold) endif() This basically says, I cannot build LLVMgold.so on windows. Any specific reason...

...or some reason LLVM does not do it for gold, even though it seems to >> >> support this flag as well. >> >> (that could be another reason why you don’t see the failure on Linux) >> >> >> >> 1 *if*(NOT LLVM_NO_DEAD_STRIP) >> >> 2 *if*(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") >> >> 3 # ld64's implementation of -dead_strip breaks tools that use >> >> plugins. >> >> 4 set_property(TARGET ${target_name} APPEND_STRING PROPERTY >> >> 5 LINK_FLAGS " -Wl,-dead_str...

...diff: >> >> --- llvm.src/projects/libcxx/CMakeLists.txt >> +++ llvm.src/projects/libcxx/CMakeLists.txt >> @@ -135,6 +135,8 @@ >> elseif (APPLE) >> set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi") >> set(LIBCXX_CXX_ABI_SYSTEM 1) >> + elseif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD") >> + set(LIBCXX_CXX_ABI_LIBNAME "libcxxrt") >> else() >> set(LIBCXX_CXX_ABI_LIBNAME "default") >> endif() > > ... and unfortunately that didn't work, since the CMakeFiles are unable to find the libcxxrt hea...

...old, even though it seems to >>>> >> support this flag as well. >>>> >> (that could be another reason why you don’t see the failure on Linux) >>>> >> >>>> >> 1 *if*(NOT LLVM_NO_DEAD_STRIP) >>>> >> 2 *if*(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") >>>> >> 3 # ld64's implementation of -dead_strip breaks tools that use >>>> >> plugins. >>>> >> 4 set_property(TARGET ${target_name} APPEND_STRING PROPERTY >>>> >> 5...

...> >> support this flag as well. > >>>>> >> (that could be another reason why you don’t see the failure on > Linux) > >>>>> >> > >>>>> >> 1 *if*(NOT LLVM_NO_DEAD_STRIP) > >>>>> >> 2 *if*(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") > >>>>> >> 3 # ld64's implementation of -dead_strip breaks tools that > use > >>>>> >> plugins. > >>>>> >> 4 set_property(TARGET ${target_name} APPEND_STRING PROPERTY > >>...

...am going to try the following diff: > > --- llvm.src/projects/libcxx/CMakeLists.txt > +++ llvm.src/projects/libcxx/CMakeLists.txt > @@ -135,6 +135,8 @@ > elseif (APPLE) > set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi") > set(LIBCXX_CXX_ABI_SYSTEM 1) > + elseif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD") > + set(LIBCXX_CXX_ABI_LIBNAME "libcxxrt") > else() > set(LIBCXX_CXX_ABI_LIBNAME "default") > endif() ... and unfortunately that didn't work, since the CMakeFiles are unable to find the libcxxrt headers: CMake Warning at...

...; --- llvm.src/projects/libcxx/CMakeLists.txt >>> +++ llvm.src/projects/libcxx/CMakeLists.txt >>> @@ -135,6 +135,8 @@ >>> elseif (APPLE) >>> set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi") >>> set(LIBCXX_CXX_ABI_SYSTEM 1) >>> + elseif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD") >>> + set(LIBCXX_CXX_ABI_LIBNAME "libcxxrt") >>> else() >>> set(LIBCXX_CXX_ABI_LIBNAME "default") >>> endif() >> >> ... and unfortunately that didn't work, since the CMakeFiles are unable t...

...s/clang-compiler-override.txt @@ -1,13 +1,22 @@ SET (CMAKE_C_FLAGS_INIT "-Wall -std=c11") SET (CMAKE_C_FLAGS_DEBUG_INIT "-g -O0") SET (CLR_C_FLAGS_CHECKED_INIT "-g -O2") -SET (CMAKE_C_FLAGS_RELEASE_INIT "-g -O3") +if(CMAKE_SYSTEM_NAME STREQUAL Linux AND CMAKE_SYSTEM_PROCESSOR STREQUAL armv7l) + SET (CMAKE_C_FLAGS_RELEASE_INIT "-g0 -O1") +else() + SET (CMAKE_C_FLAGS_RELEASE_INIT "-g0 -O3") + message(FATAL_ERROR "RELEASE... c flag no-arm") +endif() SET (CMAKE_C_FLAGS_RELWITHDE...

...>>> >>>>> >> (that could be another reason why you don’t see the failure on >>> Linux) >>> >>>>> >> >>> >>>>> >> 1 *if*(NOT LLVM_NO_DEAD_STRIP) >>> >>>>> >> 2 *if*(${CMAKE_SYSTEM_NAME} MATCHES "Darwin") >>> >>>>> >> 3 # ld64's implementation of -dead_strip breaks tools that >>> use >>> >>>>> >> plugins. >>> >>>>> >> 4 set_property(TARGET ${target_name} APPE...

...libcxx/CMakeLists.txt >>>> +++ llvm.src/projects/libcxx/CMakeLists.txt >>>> @@ -135,6 +135,8 @@ >>>> elseif (APPLE) >>>> set(LIBCXX_CXX_ABI_LIBNAME "libcxxabi") >>>> set(LIBCXX_CXX_ABI_SYSTEM 1) >>>> + elseif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD") >>>> + set(LIBCXX_CXX_ABI_LIBNAME "libcxxrt") >>>> else() >>>> set(LIBCXX_CXX_ABI_LIBNAME "default") >>>> endif() >>> >>> ... and unfortunately that didn't work, since the...

...ke/help/v3.14/manual/cmake-toolchains.7.html#cross-compiling-for-ios-tvos-or-watchos Can you clarify what your patch does? //Marcus cmake-toolchains(7) — CMake 3.14.7 Documentation<https://cmake.org/cmake/help/v3.14/manual/cmake-toolchains.7.html#cross-compiling-for-ios-tvos-or-watchos> The CMAKE_SYSTEM_NAME is the CMake-identifier of the target platform to build for.. The CMAKE_SYSTEM_PROCESSOR is the CMake-identifier of the target architecture to build for.. The CMAKE_SYSROOT is optional, and may be specified if a sysroot is available.. The CMAKE_STAGING_PREFIX is also optional. It may be used to sp...