| // Parse diagnostic arguments in the driver |
| |
| // Exactly which arguments are warned about and which aren't differ based |
| // on what target is selected. -stdlib= and -fuse-ld= emit diagnostics when |
| // compiling C code, for e.g. *-linux-gnu. Linker inputs, like -lfoo, emit |
| // diagnostics when only compiling for all targets. |
| |
| // This is normally a non-fatal warning: |
| // RUN: %clang --target=x86_64-apple-darwin11 \ |
| // RUN: -fsyntax-only -lfoo %s 2>&1 | FileCheck %s |
| |
| // Either with a specific -Werror=unused.. or a blanket -Werror, this |
| // causes the command to fail. |
| // RUN: not %clang --target=x86_64-apple-darwin11 \ |
| // RUN: -fsyntax-only -lfoo \ |
| // RUN: -Werror=unused-command-line-argument %s 2>&1 | FileCheck %s |
| |
| // RUN: not %clang --target=x86_64-apple-darwin11 \ |
| // RUN: -fsyntax-only -lfoo -Werror %s 2>&1 | FileCheck %s |
| |
| // With a specific -Wno-..., no diagnostic should be printed. |
| // RUN: %clang --target=x86_64-apple-darwin11 \ |
| // RUN: -fsyntax-only -lfoo -Werror \ |
| // RUN: -Wno-unused-command-line-argument %s 2>&1 | count 0 |
| |
| // With -Qunused-arguments, no diagnostic should be printed. |
| // RUN: %clang --target=x86_64-apple-darwin11 \ |
| // RUN: -fsyntax-only -lfoo -Werror \ |
| // RUN: -Qunused-arguments %s 2>&1 | count 0 |
| |
| // With the argument enclosed in --{start,end}-no-unused-arguments, |
| // there's no diagnostic. |
| // RUN: %clang --target=x86_64-apple-darwin11 -fsyntax-only \ |
| // RUN: --start-no-unused-arguments -lfoo --end-no-unused-arguments \ |
| // RUN: -Werror %s 2>&1 | count 0 |
| |
| // With --{start,end}-no-unused-argument around a different argument, it |
| // still warns about the unused argument. |
| // RUN: not %clang --target=x86_64-apple-darwin11 \ |
| // RUN: --start-no-unused-arguments -fsyntax-only --end-no-unused-arguments \ |
| // RUN: -lfoo -Werror %s 2>&1 | FileCheck %s |
| |
| // Test clang-cl warning about unused linker options. |
| // RUN: not %clang_cl -fsyntax-only /WX \ |
| // RUN: -LD -- %s 2>&1 | FileCheck %s --check-prefix=CL-WARNING |
| |
| // Test clang-cl ignoring the warning with --start-no-unused-arguments. |
| // RUN: %clang_cl -fsyntax-only /WX \ |
| // RUN: --start-no-unused-arguments /LD --end-no-unused-arguments -- %s 2>&1 | count 0 |
| |
| // CHECK: -lfoo: 'linker' input unused |
| |
| // CL-WARNING: argument unused during compilation: '-LD' |
