xref: /llvm-project/clang/test/Driver/config-file.c (revision cfbf809e933ce29e24cd529b057fcf0c5fe94e2e)
1 //--- Config file search directories
2 //
3 // 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
4 // CHECK-DIRS: System configuration file directory: {{.*}}/Inputs/config
5 // CHECK-DIRS: User configuration file directory: {{.*}}/Inputs/config2
6 
7 
8 //--- Config file (full path) in output of -###
9 //
10 // RUN: %clang --config %S/Inputs/config-1.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-HHH
11 // RUN: %clang --config=%S/Inputs/config-1.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-HHH
12 // CHECK-HHH: Configuration file: {{.*}}Inputs{{.}}config-1.cfg
13 // CHECK-HHH: -Werror
14 // CHECK-HHH: -std=c99
15 
16 
17 //--- Config file (full path) in output of -v
18 //
19 // RUN: %clang --config %S/Inputs/config-1.cfg -S %s -o /dev/null -v 2>&1 | FileCheck %s -check-prefix CHECK-V
20 // CHECK-V: Configuration file: {{.*}}Inputs{{.}}config-1.cfg
21 // CHECK-V: -Werror
22 // CHECK-V: -std=c99
23 
24 
25 //--- Config file in output of -###
26 //
27 // RUN: %clang --config-system-dir=%S/Inputs --config-user-dir= --config config-1.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-HHH2
28 // CHECK-HHH2: Configuration file: {{.*}}Inputs{{.}}config-1.cfg
29 // CHECK-HHH2: -Werror
30 // CHECK-HHH2: -std=c99
31 
32 
33 //--- Config file in output of -v
34 //
35 // 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
36 // CHECK-V2: Configuration file: {{.*}}Inputs{{.}}config-1.cfg
37 // CHECK-V2: -Werror
38 // CHECK-V2: -std=c99
39 
40 
41 //--- Nested config files
42 //
43 // RUN: %clang --config-system-dir=%S/Inputs --config-user-dir= --config config-2.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NESTED
44 // CHECK-NESTED: Configuration file: {{.*}}Inputs{{.}}config-2.cfg
45 // CHECK-NESTED: -Wundefined-func-template
46 
47 // RUN: %clang --config-system-dir=%S/Inputs --config-user-dir=%S/Inputs/config --config config-6.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NESTED2
48 // CHECK-NESTED2: Configuration file: {{.*}}Inputs{{.}}config-6.cfg
49 // CHECK-NESTED2: -isysroot
50 // CHECK-NESTED2-SAME: /opt/data
51 
52 
53 // RUN: %clang --config %S/Inputs/config-2a.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NESTEDa
54 // CHECK-NESTEDa: Configuration file: {{.*}}Inputs{{.}}config-2a.cfg
55 // CHECK-NESTEDa: -isysroot
56 // CHECK-NESTEDa-SAME: /opt/data
57 
58 // RUN: %clang --config-system-dir=%S/Inputs --config-user-dir= --config config-2a.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NESTED2a
59 // CHECK-NESTED2a: Configuration file: {{.*}}Inputs{{.}}config-2a.cfg
60 // CHECK-NESTED2a: -isysroot
61 // CHECK-NESTED2a-SAME: /opt/data
62 
63 
64 //--- Unused options in config file do not produce warnings
65 //
66 // RUN: %clang --config %S/Inputs/config-4.cfg -S %s -o /dev/null -v 2>&1 | FileCheck %s -check-prefix CHECK-UNUSED
67 // CHECK-UNUSED-NOT: argument unused during compilation:
68 // CHECK-UNUSED-NOT: 'linker' input unused
69 
70 
71 //--- User directory is searched first.
72 //
73 // RUN: %clang --config-system-dir=%S/Inputs/config --config-user-dir=%S/Inputs/config2 --config config-4.cfg -S %s -o /dev/null -v 2>&1 | FileCheck %s -check-prefix CHECK-PRECEDENCE
74 // CHECK-PRECEDENCE: Configuration file: {{.*}}Inputs{{.}}config2{{.}}config-4.cfg
75 // CHECK-PRECEDENCE: -Wall
76 
77 
78 //--- Multiple configuration files can be specified.
79 // RUN: %clang --config-system-dir=%S/Inputs/config --config-user-dir= --config config-4.cfg --config %S/Inputs/config2/config-4.cfg -S %s -o /dev/null -v 2>&1 | FileCheck %s -check-prefix CHECK-TWO-CONFIGS
80 // CHECK-TWO-CONFIGS: Configuration file: {{.*}}Inputs{{.}}config{{.}}config-4.cfg
81 // CHECK-TWO-CONFIGS-NEXT: Configuration file: {{.*}}Inputs{{.}}config2{{.}}config-4.cfg
82 // CHECK-TWO-CONFIGS: -isysroot
83 // CHECK-TWO-CONFIGS-SAME: /opt/data
84 // CHECK-TWO-CONFIGS-SAME: -Wall
85 
86 //--- The linker input flags should be moved to the end of input list and appear only when linking.
87 // RUN: %clang --target=aarch64-unknown-linux-gnu --config %S/Inputs/config-l.cfg %s -lmylib -Wl,foo.a -### 2>&1 | FileCheck %s -check-prefix CHECK-LINKING
88 // RUN: %clang --target=aarch64-unknown-linux-gnu --config %S/Inputs/config-l.cfg -fopenmp=libomp %s -lmylib -Wl,foo.a -### 2>&1 | FileCheck %s -check-prefix CHECK-LINKING-LIBOMP-GOES-AFTER
89 // RUN: %clang --target=aarch64-unknown-linux-gnu --config %S/Inputs/config-l.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NOLINKING
90 // RUN: %clang --target=aarch64-unknown-linux-gnu --config %S/Inputs/config-l.cfg -fopenmp=libomp -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NOLINKING-OPENMP
91 // RUN: %clang --target=x86_64-pc-windows-msvc    --config %S/Inputs/config-l.cfg %s -lmylib -Wl,foo.lib -### 2>&1 | FileCheck %s -check-prefix CHECK-LINKING-MSVC
92 // RUN: %clang --target=x86_64-pc-windows-msvc    --config %S/Inputs/config-l.cfg -S %s -### 2>&1 | FileCheck %s -check-prefix CHECK-NOLINKING-MSVC
93 // CHECK-LINKING: Configuration file: {{.*}}Inputs{{.}}config-l.cfg
94 // CHECK-LINKING: "-Wall"
95 // CHECK-LINKING: "--as-needed" "{{.*}}-{{.*}}.o" "-lmylib" "foo.a" "-lm" "-Bstatic" "-lhappy" "-Bdynamic"
96 // CHECK-LINKING-LIBOMP-GOES-AFTER: Configuration file: {{.*}}Inputs{{.}}config-l.cfg
97 // CHECK-LINKING-LIBOMP-GOES-AFTER: "-Wall" {{.*}}"-fopenmp"
98 // CHECK-LINKING-LIBOMP-GOES-AFTER: "--as-needed" "{{.*}}-{{.*}}.o" "-lmylib" "foo.a" "-lm" "-Bstatic" "-lhappy" "-Bdynamic" {{.*}}"-lomp"
99 // CHECK-NOLINKING: Configuration file: {{.*}}Inputs{{.}}config-l.cfg
100 // CHECK-NOLINKING: "-Wall"
101 // CHECK-NOLINKING-NO: "-lm" "-Bstatic" "-lhappy" "-Bdynamic"
102 // CHECK-NOLINKING-OPENMP: Configuration file: {{.*}}Inputs{{.}}config-l.cfg
103 // CHECK-NOLINKING-OPENMP: "-Wall" {{.*}}"-fopenmp"
104 // CHECK-NOLINKING-OPENMP-NO: "-lm" "-Bstatic" "-lhappy" "-Bdynamic" {{.*}}"-lomp"
105 // CHECK-LINKING-MSVC: Configuration file: {{.*}}Inputs{{.}}config-l.cfg
106 // CHECK-LINKING-MSVC: "-Wall"
107 // CHECK-LINKING-MSVC: "--as-needed" "{{.*}}-{{.*}}.o" "mylib.lib" "foo.lib" "m.lib" "-Bstatic" "happy.lib" "-Bdynamic"
108 // CHECK-NOLINKING-MSVC: Configuration file: {{.*}}Inputs{{.}}config-l.cfg
109 // CHECK-NOLINKING-MSVC: "-Wall"
110 // CHECK-NOLINKING-MSVC-NO: "m.lib" "-Bstatic" "happy.lib" "-Bdynamic"
111