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llvm-project/clang/test/Driver/config-file.c

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Enable configuration files in clang Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 llvm-svn: 321621
2018-01-01 21:27:01 +08:00
//--- Config file search directories
//
[Driver] Fix unused variables and test-writing-into-workdir after r321621 llvm-svn: 321639
2018-01-02 17:35:10 +08:00
// RUN: %clang --config-system-dir=%S/Inputs/config --config-user-dir=%S/Inputs/config2 -o /dev/null -v 2>&1 | FileCheck %s -check-prefix CHECK-DIRS
Enable configuration files in clang Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 llvm-svn: 321621
2018-01-01 21:27:01 +08:00
// CHECK-DIRS: System configuration file directory: {{.*}}/Inputs/config
// CHECK-DIRS: User configuration file directory: {{.*}}/Inputs/config2
//--- Config file (full path) in output of -###
//
Fix test to use -S instead of -c so it doesn't unnecessarily run the assembler. Reviewed by Paul Robinson llvm-svn: 321776
2018-01-04 08:16:57 +08:00
// RUN: %clang --config %S/Inputs/config-1.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-HHH
Enable configuration files in clang Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 llvm-svn: 321621
2018-01-01 21:27:01 +08:00
// CHECK-HHH: Configuration file: {{.*}}Inputs{{.}}config-1.cfg
// CHECK-HHH: -Werror
// CHECK-HHH: -std=c99
//--- Config file (full path) in output of -v
//
Fix test to use -S instead of -c so it doesn't unnecessarily run the assembler. Reviewed by Paul Robinson llvm-svn: 321776
2018-01-04 08:16:57 +08:00
// RUN: %clang --config %S/Inputs/config-1.cfg -S %s -o /dev/null -v 2>&1 | FileCheck %s -check-prefix CHECK-V
Enable configuration files in clang Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 llvm-svn: 321621
2018-01-01 21:27:01 +08:00
// CHECK-V: Configuration file: {{.*}}Inputs{{.}}config-1.cfg
// CHECK-V: -Werror
// CHECK-V: -std=c99
//--- Config file in output of -###
//
Fix test to use -S instead of -c so it doesn't unnecessarily run the assembler. Reviewed by Paul Robinson llvm-svn: 321776
2018-01-04 08:16:57 +08:00
// RUN: %clang --config-system-dir=%S/Inputs --config-user-dir= --config config-1.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-HHH2
Enable configuration files in clang Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 llvm-svn: 321621
2018-01-01 21:27:01 +08:00
// CHECK-HHH2: Configuration file: {{.*}}Inputs{{.}}config-1.cfg
// CHECK-HHH2: -Werror
// CHECK-HHH2: -std=c99
//--- Config file in output of -v
//
Fix test to use -S instead of -c so it doesn't unnecessarily run the assembler. Reviewed by Paul Robinson llvm-svn: 321776
2018-01-04 08:16:57 +08:00
// RUN: %clang --config-system-dir=%S/Inputs --config-user-dir= --config config-1.cfg -S %s -o /dev/null -v 2>&1 | FileCheck %s -check-prefix CHECK-V2
Enable configuration files in clang Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 llvm-svn: 321621
2018-01-01 21:27:01 +08:00
// CHECK-V2: Configuration file: {{.*}}Inputs{{.}}config-1.cfg
// CHECK-V2: -Werror
// CHECK-V2: -std=c99
//--- Nested config files
//
Fix test to use -S instead of -c so it doesn't unnecessarily run the assembler. Reviewed by Paul Robinson llvm-svn: 321776
2018-01-04 08:16:57 +08:00
// RUN: %clang --config-system-dir=%S/Inputs --config-user-dir= --config config-2.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NESTED
Enable configuration files in clang Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 llvm-svn: 321621
2018-01-01 21:27:01 +08:00
// CHECK-NESTED: Configuration file: {{.*}}Inputs{{.}}config-2.cfg
// CHECK-NESTED: -Wundefined-func-template
Fix test to use -S instead of -c so it doesn't unnecessarily run the assembler. Reviewed by Paul Robinson llvm-svn: 321776
2018-01-04 08:16:57 +08:00
// RUN: %clang --config-system-dir=%S/Inputs --config-user-dir= --config config-2.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NESTED2
Enable configuration files in clang Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 llvm-svn: 321621
2018-01-01 21:27:01 +08:00
// CHECK-NESTED2: Configuration file: {{.*}}Inputs{{.}}config-2.cfg
// CHECK-NESTED2: -Wundefined-func-template
Fix test to use -S instead of -c so it doesn't unnecessarily run the assembler. Reviewed by Paul Robinson llvm-svn: 321776
2018-01-04 08:16:57 +08:00
// RUN: %clang --config %S/Inputs/config-2a.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NESTEDa
Enable configuration files in clang Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 llvm-svn: 321621
2018-01-01 21:27:01 +08:00
// CHECK-NESTEDa: Configuration file: {{.*}}Inputs{{.}}config-2a.cfg
// CHECK-NESTEDa: -isysroot
// CHECK-NESTEDa-SAME: /opt/data
Fix test to use -S instead of -c so it doesn't unnecessarily run the assembler. Reviewed by Paul Robinson llvm-svn: 321776
2018-01-04 08:16:57 +08:00
// RUN: %clang --config-system-dir=%S/Inputs --config-user-dir= --config config-2a.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NESTED2a
Enable configuration files in clang Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 llvm-svn: 321621
2018-01-01 21:27:01 +08:00
// CHECK-NESTED2a: Configuration file: {{.*}}Inputs{{.}}config-2a.cfg
// CHECK-NESTED2a: -isysroot
// CHECK-NESTED2a-SAME: /opt/data
//--- Unused options in config file do not produce warnings
//
Fix test to use -S instead of -c so it doesn't unnecessarily run the assembler. Reviewed by Paul Robinson llvm-svn: 321776
2018-01-04 08:16:57 +08:00
// RUN: %clang --config %S/Inputs/config-4.cfg -S %s -o /dev/null -v 2>&1 | FileCheck %s -check-prefix CHECK-UNUSED
Enable configuration files in clang Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 llvm-svn: 321621
2018-01-01 21:27:01 +08:00
// CHECK-UNUSED-NOT: argument unused during compilation:
[Driver] Don't warn about unused inputs in config files This avoids warnings about unused linker parameters, just like other flags are ignored if they're from config files. Differential Revision: https://reviews.llvm.org/D46286 llvm-svn: 331504
2018-05-04 14:05:58 +08:00
// CHECK-UNUSED-NOT: 'linker' input unused
Enable configuration files in clang Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 llvm-svn: 321621
2018-01-01 21:27:01 +08:00
//--- User directory is searched first.
//
Fix test to use -S instead of -c so it doesn't unnecessarily run the assembler. Reviewed by Paul Robinson llvm-svn: 321776
2018-01-04 08:16:57 +08:00
// RUN: %clang --config-system-dir=%S/Inputs/config --config-user-dir=%S/Inputs/config2 --config config-4 -S %s -o /dev/null -v 2>&1 | FileCheck %s -check-prefix CHECK-PRECEDENCE
Enable configuration files in clang Clang is inherently a cross compiler and can generate code for any target enabled during build. It however requires to specify many parameters in the invocation, which could be hardcoded during configuration process in the case of single-target compiler. The purpose of configuration files is to make specifying clang arguments easier. A configuration file is a collection of driver options, which are inserted into command line before other options specified in the clang invocation. It groups related options together and allows specifying them in simpler, more flexible and less error prone way than just listing the options somewhere in build scripts. Configuration file may be thought as a "macro" that names an option set and is expanded when the driver is called. Use of configuration files is described in `UserManual.rst`. Differential Revision: https://reviews.llvm.org/D24933 llvm-svn: 321621
2018-01-01 21:27:01 +08:00
// CHECK-PRECEDENCE: Configuration file: {{.*}}Inputs{{.}}config2{{.}}config-4.cfg
// CHECK-PRECEDENCE: -Wall