|  | // Check for proper handling of --sysroot and -isysroot flags. | 
|  |  | 
|  | // RUN: %clang -### -fsyntax-only -isysroot /foo/bar %s 2>&1 | \ | 
|  | // RUN:   FileCheck %s -check-prefix=ISYSROOT | 
|  | // ISYSROOT: "-isysroot" "{{[^"]*}}/foo/bar" | 
|  |  | 
|  | // Check that we get both isysroot for headers, and pass --sysroot on to GCC to | 
|  | // produce the final binary. | 
|  | // RUN: %clang -### -target x86_64-unknown-linux-gnu \ | 
|  | // RUN:   --sysroot=/foo/bar -o /dev/null %s 2>&1 | \ | 
|  | // RUN:   FileCheck %s -check-prefix=SYSROOT_EQ | 
|  | // SYSROOT_EQ: "-isysroot" "{{[^"]*}}/foo/bar" | 
|  | // SYSROOT_EQ: "--sysroot{{" "|=}}{{[^"]*}}/foo/bar" | 
|  |  | 
|  | // Check for overriding the header sysroot by providing both --sysroot and | 
|  | // -isysroot. | 
|  | // RUN: %clang -### -target x86_64-unknown-linux-gnu -isysroot /baz \ | 
|  | // RUN:   --sysroot=/foo/bar -o /dev/null %s 2>&1 | FileCheck %s \ | 
|  | // RUN:   -check-prefix=ISYSROOT_AND_SYSROOT | 
|  | // ISYSROOT_AND_SYSROOT: "-isysroot" "{{[^"]*}}/baz" | 
|  | // ISYSROOT_AND_SYSROOT: "--sysroot{{" "|=}}{{[^"]*}}/foo/bar" | 
|  |  | 
|  | // Check that omitting the equals works as well. | 
|  | // RUN: %clang -### -target x86_64-unknown-linux-gnu \ | 
|  | // RUN:   --sysroot /foo/bar -o /dev/null %s 2>&1 | \ | 
|  | // RUN:   FileCheck %s -check-prefix=SYSROOT_SEPARATE | 
|  | // SYSROOT_SEPARATE: "-isysroot" "{{[^"]*}}/foo/bar" | 
|  | // SYSROOT_SEPARATE: "--sysroot{{" "|=}}{{[^"]*}}/foo/bar" |