clang/test/Driver/gcc-toolchain.cpp

   1 // Test that gcc-toolchain option is working correctly
   2 //
   3 /// Without --rtlib=libgcc the driver may pick clang_rt.crtbegin.o if
   4 /// -DCLANG_DEFAULT_RTLIB=compiler-rt.
   5 // RUN: %clangxx %s -### --target=x86_64-linux-gnu --sysroot= \
   6 // RUN:   --gcc-toolchain=%S/Inputs/ubuntu_14.04_multiarch_tree/usr -stdlib=libstdc++ --rtlib=libgcc --unwindlib=libgcc -no-pie 2>&1 | \
   7 // RUN:   FileCheck %s
   8 //
   9 // Additionally check that the legacy spelling of the flag works.
  10 // RUN: %clangxx %s -### --target=x86_64-linux-gnu --sysroot= \
  11 // RUN:   --gcc-toolchain=%S/Inputs/ubuntu_14.04_multiarch_tree/usr -stdlib=libstdc++ --rtlib=libgcc --unwindlib=libgcc -no-pie 2>&1 | \
  12 // RUN:   FileCheck %s
  13 //
  14 // Test for header search toolchain detection.
  15 // CHECK: "-internal-isystem"
  16 // CHECK: "[[TOOLCHAIN:[^"]+]]/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8"
  17 // CHECK: "-internal-isystem"
  18 // CHECK: "[[TOOLCHAIN]]/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/x86_64-linux-gnu/c++/4.8"
  19 // CHECK: "-internal-isystem"
  20 // CHECK: "[[TOOLCHAIN]]/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/backward"
  21 //
  22 // Test for linker toolchain detection. Note that only the '-L' flags will use
  23 // the same precise formatting of the path as the '-internal-system' flags
  24 // above, so we just blanket wildcard match the 'crtbegin.o'.
  25 // CHECK: "{{[^"]*}}ld{{(.exe)?}}"
  26 // CHECK-SAME: "{{[^"]*}}/usr/lib/gcc/x86_64-linux-gnu/4.8{{/|\\\\}}crtbegin.o"
  27 // CHECK-SAME: "-L[[TOOLCHAIN]]/usr/lib/gcc/x86_64-linux-gnu/4.8"
  28 /// On x86_64, there is an extra usr/lib/gcc/x86_64-linux-gnu/4.8/../../../x86_64-linux-gnu but we should not test it.
  29
  30 /// Test we don't detect GCC installation under -B.
  31 // RUN: %clangxx %s -### --sysroot= 2>&1 \
  32 // RUN:   --target=aarch64-suse-linux --gcc-toolchain=%S/Inputs/opensuse_42.2_aarch64_tree/usr -no-pie | \
  33 // RUN:   FileCheck %s --check-prefix=AARCH64
  34 // RUN: %clangxx %s -### --sysroot= 2>&1 \
  35 // RUN:   --target=aarch64-suse-linux -B%S/Inputs/opensuse_42.2_aarch64_tree/usr | \
  36 // RUN:   FileCheck %s --check-prefix=NO_AARCH64
  37
  38 // AARCH64:        Inputs{{[^"]+}}aarch64-suse-linux/{{[^"]+}}crt1.o"
  39 // NO_AARCH64-NOT: Inputs{{[^"]+}}aarch64-suse-linux/{{[^"]+}}crt1.o"