diff options
Diffstat (limited to 'src/bootstrap/native.rs')
| -rw-r--r-- | src/bootstrap/native.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/bootstrap/native.rs b/src/bootstrap/native.rs index 106db90b2d0..cceb7941650 100644 --- a/src/bootstrap/native.rs +++ b/src/bootstrap/native.rs @@ -175,6 +175,17 @@ impl Step for Llvm { cfg.define("LLVM_ENABLE_ZLIB", "OFF"); } + // Are we compiling for iOS/tvOS? + if target.contains("apple-ios") || target.contains("apple-tvos") { + // These two defines prevent CMake from automatically trying to add a MacOSX sysroot, which leads to a compiler error. + cfg.define("CMAKE_OSX_SYSROOT", "/"); + cfg.define("CMAKE_OSX_DEPLOYMENT_TARGET", ""); + // Prevent cmake from adding -bundle to CFLAGS automatically, which leads to a compiler error because "-bitcode_bundle" also gets added. + cfg.define("LLVM_ENABLE_PLUGINS", "OFF"); + // Zlib fails to link properly, leading to a compiler error. + cfg.define("LLVM_ENABLE_ZLIB", "OFF"); + } + if builder.config.llvm_thin_lto { cfg.define("LLVM_ENABLE_LTO", "Thin"); if !target.contains("apple") { @@ -412,6 +423,14 @@ fn configure_cmake( if let Some(ref s) = builder.config.llvm_cflags { cflags.push_str(&format!(" {}", s)); } + // Some compiler features used by LLVM (such as thread locals) will not work on a min version below iOS 10. + if target.contains("apple-ios") { + if target.contains("86-") { + cflags.push_str(" -miphonesimulator-version-min=10.0"); + } else { + cflags.push_str(" -miphoneos-version-min=10.0"); + } + } cfg.define("CMAKE_C_FLAGS", cflags); let mut cxxflags = builder.cflags(target, GitRepo::Llvm).join(" "); if builder.config.llvm_static_stdcpp && !target.contains("msvc") && !target.contains("netbsd") { |