clang/test/Driver/nostdlib.c

   1 // RUN: %clang --target=i686-pc-linux-gnu -### -nostdlib %s 2> %t
   2 // RUN: FileCheck < %t %s
   3 //
   4 // CHECK-NOT: start-group
   5
   6 // Most of the toolchains would check for -nostartfiles and -nostdlib
   7 // in a short-circuiting boolean expression, so if both of the preceding
   8 // options were present, the second would warn about being unused.
   9 // RUN: %clang -### -Wno-liblto -nostartfiles -nostdlib --target=i386-apple-darwin %s \
  10 // RUN:   2>&1 | FileCheck %s -check-prefix=ARGSCLAIMED
  11 // ARGSCLAIMED-NOT: warning:
  12
  13 // In the presence of -nostdlib, the standard libraries should not be
  14 // passed down to link line
  15 // RUN: %clang -### %s -Wno-liblto 2>&1 \
  16 // RUN:     --target=i686-pc-linux-gnu -nostdlib --rtlib=compiler-rt -fuse-ld=ld \
  17 // RUN:     -resource-dir=%S/Inputs/resource_dir -lclang_rt.builtins-i686 \
  18 // RUN:   | FileCheck --check-prefix=CHECK-LINUX-NOSTDLIB %s
  19 //
  20 // RUN: %clang -### %s -Wno-liblto 2>&1 \
  21 // RUN:     --target=i686-pc-linux-gnu --rtlib=compiler-rt -nostdlib -fuse-ld=ld \
  22 // RUN:     -resource-dir=%S/Inputs/resource_dir -lclang_rt.builtins-i686 \
  23 // RUN:   | FileCheck --check-prefix=CHECK-LINUX-NOSTDLIB %s
  24 //
  25 // RUN: %clang --target=x86_64-pc-windows-msvc -nostdlib --rtlib=compiler-rt -### -Wno-liblto %s 2>&1 | FileCheck %s -check-prefix CHECK-MSVC-NOSTDLIB
  26 // RUN: %clang --target=x86_64-pc-windows-msvc --rtlib=compiler-rt -nostdlib -### -Wno-liblto %s 2>&1 | FileCheck %s -check-prefix CHECK-MSVC-NOSTDLIB
  27 //
  28 // CHECK-LINUX-NOSTDLIB: warning: argument unused during compilation: '--rtlib=compiler-rt'
  29 // CHECK-LINUX-NOSTDLIB: "{{(.*[^.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
  30 // CHECK-LINUX-NOSTDLIB-NOT: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}linux{{/|\\\\}}libclang_rt.builtins-i386.a"
  31 // CHECK-MSVC-NOSTDLIB: warning: argument unused during compilation: '--rtlib=compiler-rt'