llvm-for-llvmta/utils/gn/secondary/llvm/tools/llvm-config/BUILD.gn

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import("//llvm/lib/Target/targets_string.gni")
import("//llvm/utils/gn/build/buildflags.gni")
import("//llvm/utils/gn/build/libs/pthread/enable.gni")
import("//llvm/utils/gn/build/libs/terminfo/enable.gni")
import("//llvm/utils/gn/build/libs/xml/enable.gni")
import("//llvm/utils/gn/build/libs/zlib/enable.gni")
import("//llvm/utils/gn/build/write_cmake_config.gni")
import("//llvm/version.gni")
action("write_extension_dependencies") {
script = "//llvm/utils/gn/secondary/llvm/tools/llvm-config/write_extension_dependencies.py"
outputs = [ "$target_gen_dir/ExtensionDependencies.inc" ]
args = [
"-o",
rebase_path(outputs[0], root_build_dir),
]
}
write_cmake_config("BuildVariables.inc") {
input = "BuildVariables.inc.in"
output = "$target_gen_dir/BuildVariables.inc"
if (is_debug) {
build_mode = "debug"
} else {
build_mode = "release"
}
# FIXME: Why doesn't llvm-config do this, why is this done in
# llvm-config/CMakeLists.txt?
if (host_os == "win") {
l = ""
lib = ".lib"
} else {
l = "-l"
lib = ""
}
# Windows doesn't use any of libxml2,terminfo, zlib by default.
# Make GN not warn about these variables being unused.
not_needed([
"l",
"lib",
])
system_libs = ""
if (host_os == "win") {
# libuuid required for FOLDERID_Profile usage in
# lib/Support/Windows/Path.inc.
# advapi32 required for CryptAcquireContextW in
# lib/Support/Windows/Path.inc
system_libs = "psapi.lib shell32.lib ole32.lib uuid.lib advapi32.lib"
} else {
system_libs += "-lm"
if (host_os == "linux") {
system_libs += " -lrt -ldl"
}
if (llvm_enable_threads) {
system_libs += " -llibpthreads"
if (host_os == "linux") {
system_libs += " -latomic"
}
}
}
if (llvm_enable_libxml2) {
system_libs += " ${l}xml2${lib}"
}
if (llvm_enable_terminfo) {
system_libs += " ${l}ncurses${lib}"
}
if (llvm_enable_zlib) {
system_libs += " ${l}z${lib}"
}
values = [
"LLVM_SRC_ROOT=" + rebase_path("//llvm"),
"LLVM_OBJ_ROOT=" + rebase_path(root_out_dir),
# FIXME: Only the bits needed to run LLVM's test are implemented.
"LLVM_CPPFLAGS=.", # FIXME
"LLVM_CFLAGS=.", # FIXME
"LLVM_LDFLAGS=.", # FIXME
"LLVM_CXXFLAGS=.", # FIXME
"LLVM_BUILDMODE=$build_mode",
"LLVM_LIBDIR_SUFFIX=",
"LLVM_TARGETS_BUILT=$llvm_targets_to_build_string",
"LLVM_SYSTEM_LIBS=$system_libs",
"LLVM_BUILD_SYSTEM=gn",
"LLVM_HAS_RTTI=0",
"LLVM_BUILD_LLVM_DYLIB=0",
"LLVM_LINK_LLVM_DYLIB=0",
"BUILD_SHARED_LIBS=0",
"LLVM_DYLIB_COMPONENTS_expanded=all",
"LLVM_DYLIB_VERSION=${llvm_version_major}git",
"LLVM_TOOLS_INSTALL_DIR=",
]
}
action("LibraryDependencies.inc") {
script = "//llvm/utils/gn/build/write_library_dependencies.py"
output = "$target_gen_dir/LibraryDependencies.inc"
args = [
"-o",
rebase_path(output, root_out_dir),
]
outputs = [ output ]
}
executable("llvm-config") {
deps = [
":BuildVariables.inc",
":LibraryDependencies.inc",
":write_extension_dependencies",
"//llvm/include/llvm/Config:config",
"//llvm/include/llvm/Config:llvm-config",
"//llvm/lib/Support",
]
# To pick up the generated inc files.
include_dirs = [ "$target_gen_dir" ]
sources = [ "llvm-config.cpp" ]
}