clang/test/Driver/darwin-header-search-libcxx.cpp

   1 // UNSUPPORTED: system-windows
   2
   3 // General tests that the header search paths for libc++ detected by the driver
   4 // and passed to CC1 are correct on Darwin platforms.
   5
   6 // Check without a sysroot and without headers alongside the installation
   7 // (no include path should be added, and no warning or error).
   8 //
   9 // RUN: %clang -### %s -fsyntax-only 2>&1 \
  10 // RUN:     --target=x86_64-apple-darwin \
  11 // RUN:     -stdlib=libc++ \
  12 // RUN:     -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
  13 // RUN:   | FileCheck --check-prefix=CHECK-LIBCXX-NONE %s
  14 // CHECK-LIBCXX-NONE: "-cc1"
  15
  16 // Check with only headers alongside the installation (those should be used).
  17 //
  18 // RUN: %clang -### %s -fsyntax-only 2>&1 \
  19 // RUN:     --target=x86_64-apple-darwin \
  20 // RUN:     -stdlib=libc++ \
  21 // RUN:     -ccc-install-dir %S/Inputs/basic_darwin_toolchain/usr/bin \
  22 // RUN:     --sysroot="" \
  23 // RUN:   | FileCheck -DTOOLCHAIN=%S/Inputs/basic_darwin_toolchain \
  24 // RUN:               --check-prefix=CHECK-LIBCXX-TOOLCHAIN-1 %s
  25 // CHECK-LIBCXX-TOOLCHAIN-1: "-cc1"
  26 // CHECK-LIBCXX-TOOLCHAIN-1: "-internal-isystem" "[[TOOLCHAIN]]/usr/bin/../include/c++/v1"
  27 // CHECK-LIBCXX-TOOLCHAIN-1-NOT: "-internal-isystem" "/usr/include/c++/v1"
  28 //
  29 // RUN: %clang -### %s -fsyntax-only 2>&1 \
  30 // RUN:     --target=x86_64-apple-darwin \
  31 // RUN:     -stdlib=libc++ \
  32 // RUN:     -ccc-install-dir %S/Inputs/basic_darwin_toolchain/usr/bin \
  33 // RUN:     -isysroot %S/Inputs/basic_darwin_sdk_no_libcxx \
  34 // RUN:   | FileCheck -DTOOLCHAIN=%S/Inputs/basic_darwin_toolchain \
  35 // RUN:               -DSYSROOT=%S/Inputs/basic_darwin_sdk_no_libcxx \
  36 // RUN:               --check-prefix=CHECK-LIBCXX-TOOLCHAIN-2 %s
  37 // CHECK-LIBCXX-TOOLCHAIN-2: "-cc1"
  38 // CHECK-LIBCXX-TOOLCHAIN-2: "-internal-isystem" "[[TOOLCHAIN]]/usr/bin/../include/c++/v1"
  39 // CHECK-LIBCXX-TOOLCHAIN-2-NOT: "-internal-isystem" "[[SYSROOT]]/usr/include/c++/v1"
  40
  41 // Check with only headers in the sysroot (those should be used).
  42 //
  43 // RUN: %clang -### %s -fsyntax-only 2>&1 \
  44 // RUN:     --target=x86_64-apple-darwin \
  45 // RUN:     -stdlib=libc++ \
  46 // RUN:     -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
  47 // RUN:     -isysroot %S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
  48 // RUN:   | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
  49 // RUN:               -DTOOLCHAIN=%S/Inputs/basic_darwin_toolchain_no_libcxx \
  50 // RUN:               --check-prefix=CHECK-LIBCXX-SYSROOT-1 %s
  51 // CHECK-LIBCXX-SYSROOT-1: "-cc1"
  52 // CHECK-LIBCXX-SYSROOT-1: "-internal-isystem" "[[SYSROOT]]/usr/include/c++/v1"
  53 // CHECK-LIBCXX-SYSROOT-1-NOT: "-internal-isystem" "[[TOOLCHAIN]]/usr/bin/../include/c++/v1"
  54
  55 // Check with both headers in the sysroot and headers alongside the installation
  56 // (the headers in the toolchain should be preferred over the <sysroot> headers).
  57 // Ensure that both -isysroot and --sysroot work, and that isysroot has precedence
  58 // over --sysroot.
  59 //
  60 // RUN: %clang -### %s -fsyntax-only 2>&1 \
  61 // RUN:     --target=x86_64-apple-darwin \
  62 // RUN:     -stdlib=libc++ \
  63 // RUN:     -ccc-install-dir %S/Inputs/basic_darwin_toolchain/usr/bin \
  64 // RUN:     -resource-dir=%S/Inputs/resource_dir \
  65 // RUN:     -isysroot %S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
  66 // RUN:   | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
  67 // RUN:               -DTOOLCHAIN=%S/Inputs/basic_darwin_toolchain \
  68 // RUN:               --check-prefix=CHECK-LIBCXX-SYSROOT_AND_TOOLCHAIN-1 %s
  69 //
  70 // RUN: %clang -### %s -fsyntax-only 2>&1 \
  71 // RUN:     --target=x86_64-apple-darwin \
  72 // RUN:     -stdlib=libc++ \
  73 // RUN:     -ccc-install-dir %S/Inputs/basic_darwin_toolchain/usr/bin \
  74 // RUN:     -resource-dir=%S/Inputs/resource_dir \
  75 // RUN:     --sysroot %S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
  76 // RUN:   | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
  77 // RUN:               -DTOOLCHAIN=%S/Inputs/basic_darwin_toolchain \
  78 // RUN:               --check-prefix=CHECK-LIBCXX-SYSROOT_AND_TOOLCHAIN-1 %s
  79 //
  80 // RUN: %clang -### %s -fsyntax-only 2>&1 \
  81 // RUN:     --target=x86_64-apple-darwin \
  82 // RUN:     -stdlib=libc++ \
  83 // RUN:     -ccc-install-dir %S/Inputs/basic_darwin_toolchain/usr/bin \
  84 // RUN:     -resource-dir=%S/Inputs/resource_dir \
  85 // RUN:     -isysroot %S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
  86 // RUN:     --sysroot %S/Inputs/basic_darwin_sdk_no_libcxx \
  87 // RUN:   | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
  88 // RUN:               -DTOOLCHAIN=%S/Inputs/basic_darwin_toolchain \
  89 // RUN:               --check-prefix=CHECK-LIBCXX-SYSROOT_AND_TOOLCHAIN-1 %s
  90 //
  91 // CHECK-LIBCXX-SYSROOT_AND_TOOLCHAIN-1: "-cc1"
  92 // CHECK-LIBCXX-SYSROOT_AND_TOOLCHAIN-1: "-internal-isystem" "[[TOOLCHAIN]]/usr/bin/../include/c++/v1"
  93 // CHECK-LIBCXX-SYSROOT_AND_TOOLCHAIN-1-NOT: "-internal-isystem" "[[SYSROOT]]/usr/include/c++/v1"
  94
  95 // Make sure that using -nostdinc, -nostdinc++ or -nostdlib will drop both the toolchain
  96 // C++ include path and the sysroot one.
  97 //
  98 // RUN: %clang -### %s -fsyntax-only 2>&1 \
  99 // RUN:     --target=x86_64-apple-darwin16 \
 100 // RUN:     -ccc-install-dir %S/Inputs/basic_darwin_toolchain/usr/bin \
 101 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 102 // RUN:     -isysroot %S/Inputs/basic_darwin_sdk_usr \
 103 // RUN:     -stdlib=platform \
 104 // RUN:     -nostdinc \
 105 // RUN:   | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr \
 106 // RUN:               -DTOOLCHAIN=%S/Inputs/basic_darwin_toolchain \
 107 // RUN:               --check-prefix=CHECK-LIBCXX-NOSTDLIBINC %s
 108 // CHECK-LIBCXX-NOSTDINC: "-cc1"
 109 // CHECK-LIBCXX-NOSTDINC-NOT: "-internal-isystem" "[[TOOLCHAIN]]/usr/bin/../include/c++/v1"
 110 // CHECK-LIBCXX-NOSTDINC-NOT: "-internal-isystem" "[[SYSROOT]]/usr/include/c++/v1"
 111 //
 112 // RUN: %clang -### %s -fsyntax-only 2>&1 \
 113 // RUN:     --target=x86_64-apple-darwin16 \
 114 // RUN:     -ccc-install-dir %S/Inputs/basic_darwin_toolchain/usr/bin \
 115 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 116 // RUN:     -isysroot %S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
 117 // RUN:     -stdlib=platform \
 118 // RUN:     -nostdinc++ \
 119 // RUN:   | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr \
 120 // RUN:               -DTOOLCHAIN=%S/Inputs/basic_darwin_toolchain \
 121 // RUN:               --check-prefix=CHECK-LIBCXX-NOSTDINCXX %s
 122 // CHECK-LIBCXX-NOSTDINCXX: "-cc1"
 123 // CHECK-LIBCXX-NOSTDINCXX-NOT: "-internal-isystem" "[[TOOLCHAIN]]/usr/bin/../include/c++/v1"
 124 // CHECK-LIBCXX-NOSTDINCXX-NOT: "-internal-isystem" "[[SYSROOT]]/usr/include/c++/v1"
 125 //
 126 // RUN: %clang -### %s -fsyntax-only 2>&1 \
 127 // RUN:     --target=x86_64-apple-darwin16 \
 128 // RUN:     -ccc-install-dir %S/Inputs/basic_darwin_toolchain/usr/bin \
 129 // RUN:     -resource-dir=%S/Inputs/resource_dir \
 130 // RUN:     -isysroot %S/Inputs/basic_darwin_sdk_usr \
 131 // RUN:     -stdlib=platform \
 132 // RUN:     -nostdlibinc \
 133 // RUN:   | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr \
 134 // RUN:               -DTOOLCHAIN=%S/Inputs/basic_darwin_toolchain \
 135 // RUN:               --check-prefix=CHECK-LIBCXX-NOSTDLIBINC %s
 136 // CHECK-LIBCXX-NOSTDLIBINC: "-cc1"
 137 // CHECK-LIBCXX-NOSTDLIBINC-NOT: "-internal-isystem" "[[TOOLCHAIN]]/usr/bin/../include/c++/v1"
 138 // CHECK-LIBCXX-NOSTDLIBINC-NOT: "-internal-isystem" "[[SYSROOT]]/usr/include/c++/v1"
 139
 140 // Make sure we explain that we considered a path but didn't add it when it
 141 // doesn't exist.
 142 //
 143 // RUN: %clang %s -fsyntax-only -v 2>&1 \
 144 // RUN:     --target=x86_64-apple-darwin \
 145 // RUN:     -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
 146 // RUN:     -isysroot %S/Inputs/basic_darwin_sdk \
 147 // RUN:     -stdlib=libc++ \
 148 // RUN:   | FileCheck -DTOOLCHAIN=%S/Inputs/basic_darwin_toolchain_no_libcxx \
 149 // RUN:               --check-prefix=CHECK-LIBCXX-MISSING-TOOLCHAIN %s
 150 // CHECK-LIBCXX-MISSING-TOOLCHAIN: ignoring nonexistent directory "[[TOOLCHAIN]]/usr/bin/../include/c++/v1"
 151 //
 152 // RUN: %clang %s -fsyntax-only -v 2>&1 \
 153 // RUN:     --target=x86_64-apple-darwin \
 154 // RUN:     -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
 155 // RUN:     -isysroot %S/Inputs/basic_darwin_sdk_no_libcxx \
 156 // RUN:     -stdlib=libc++ \
 157 // RUN:   | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_no_libcxx \
 158 // RUN:               -DTOOLCHAIN=%S/Inputs/basic_darwin_toolchain_no_libcxx \
 159 // RUN:               --check-prefix=CHECK-LIBCXX-MISSING-BOTH %s
 160 // CHECK-LIBCXX-MISSING-BOTH: ignoring nonexistent directory "[[TOOLCHAIN]]/usr/bin/../include/c++/v1"
 161 // CHECK-LIBCXX-MISSING-BOTH: ignoring nonexistent directory "[[SYSROOT]]/usr/include/c++/v1"
 162
 163 // Make sure that on Darwin, we use libc++ header search paths by default even when
 164 // -stdlib= isn't passed.
 165 //
 166 // RUN: %clang -### %s -fsyntax-only 2>&1 \
 167 // RUN:     --target=x86_64-apple-darwin \
 168 // RUN:     -ccc-install-dir %S/Inputs/basic_darwin_toolchain_no_libcxx/usr/bin \
 169 // RUN:     -isysroot %S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
 170 // RUN:   | FileCheck -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
 171 // RUN:               -DTOOLCHAIN=%S/Inputs/basic_darwin_toolchain_no_libcxx \
 172 // RUN:               --check-prefix=CHECK-LIBCXX-STDLIB-UNSPECIFIED %s
 173 // CHECK-LIBCXX-STDLIB-UNSPECIFIED: "-cc1"
 174 // CHECK-LIBCXX-STDLIB-UNSPECIFIED: "-internal-isystem" "[[SYSROOT]]/usr/include/c++/v1"
 175
 176 // ----------------------------------------------------------------------------
 177 // On Darwin, libc++ can be installed in one of the following places:
 178 // 1. Alongside the compiler in <install>/include/c++/v1
 179 // 2. Alongside the compiler in <clang-executable-folder>/../include/c++/v1
 180 // 3. In a SDK (or a custom sysroot) in <sysroot>/usr/include/c++/v1
 181
 182 // The build folders do not have an `include/c++/v1`; create a new
 183 // local folder hierarchy that meets this requirement.
 184 // Note: this might not work with weird RPATH configurations.
 185 // RUN: rm -rf %t/install
 186 // RUN: mkdir -p %t/install/bin
 187 // RUN: cp %clang %t/install/bin/clang
 188 // RUN: mkdir -p %t/install/include/c++/v1
 189
 190 // Headers in (1) and in (2) -> (1) is preferred over (2)
 191 // RUN: rm -rf %t/symlinked1
 192 // RUN: mkdir -p %t/symlinked1/bin
 193 // RUN: ln -sf %t/install/bin/clang %t/symlinked1/bin/clang
 194 // RUN: mkdir -p %t/symlinked1/include/c++/v1
 195
 196 // RUN: %t/symlinked1/bin/clang -### %s -no-canonical-prefixes -fsyntax-only 2>&1 \
 197 // RUN:     --target=x86_64-apple-darwin \
 198 // RUN:     -stdlib=libc++ \
 199 // RUN:     -isysroot %S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
 200 // RUN:   | FileCheck -DSYMLINKED=%t/symlinked1 \
 201 // RUN:               -DTOOLCHAIN=%t/install \
 202 // RUN:               -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
 203 // RUN:               --check-prefix=CHECK-SYMLINKED-INCLUDE-CXX-V1 %s
 204 // CHECK-SYMLINKED-INCLUDE-CXX-V1: "-internal-isystem" "[[SYMLINKED]]/bin/../include/c++/v1"
 205 // CHECK-SYMLINKED-INCLUDE-CXX-V1-NOT: "-internal-isystem" "[[TOOLCHAIN]]/bin/../include/c++/v1"
 206 // CHECK-SYMLINKED-INCLUDE-CXX-V1-NOT: "-internal-isystem" "[[SYSROOT]]/usr/include/c++/v1"
 207
 208 // Headers in (2) and in (3) -> (2) is preferred over (3)
 209 // RUN: rm -rf %t/symlinked2
 210 // RUN: mkdir -p %t/symlinked2/bin
 211 // RUN: ln -sf %t/install/bin/clang %t/symlinked2/bin/clang
 212
 213 // RUN: %t/symlinked2/bin/clang -### %s -fsyntax-only 2>&1 \
 214 // RUN:     --target=x86_64-apple-darwin \
 215 // RUN:     -stdlib=libc++ \
 216 // RUN:     -isysroot %S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
 217 // RUN:   | FileCheck -DTOOLCHAIN=%t/install \
 218 // RUN:               -DSYSROOT=%S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
 219 // RUN:               --check-prefix=CHECK-TOOLCHAIN-INCLUDE-CXX-V1 %s
 220 // CHECK-TOOLCHAIN-INCLUDE-CXX-V1: "-internal-isystem" "[[TOOLCHAIN]]/bin/../include/c++/v1"
 221 // CHECK-TOOLCHAIN-INCLUDE-CXX-V1-NOT: "-internal-isystem" "[[SYSROOT]]/usr/include/c++/v1"
 222
 223 // Headers in (2) and nowhere else -> (2) is used
 224 // RUN: %t/symlinked2/bin/clang -### %s -fsyntax-only 2>&1 \
 225 // RUN:     --target=x86_64-apple-darwin \
 226 // RUN:     -stdlib=libc++ \
 227 // RUN:     -isysroot %S/Inputs/basic_darwin_sdk_usr_cxx_v1 \
 228 // RUN:   | FileCheck -DTOOLCHAIN=%t/install \
 229 // RUN:               -DSYSROOT=%S/Inputs/basic_darwin_sdk_no_libcxx \
 230 // RUN:               --check-prefix=CHECK-TOOLCHAIN-NO-SYSROOT %s
 231 // CHECK-TOOLCHAIN-NO-SYSROOT: "-internal-isystem" "[[TOOLCHAIN]]/bin/../include/c++/v1"