clang/test/Driver/config-file3.c

   1 // REQUIRES: shell
   2 // REQUIRES: x86-registered-target
   3
   4 // RUN: unset CLANG_NO_DEFAULT_CONFIG
   5 // RUN: rm -rf %t && mkdir %t
   6
   7 //--- If config file is specified by relative path (workdir/cfg-s2), it is searched for by that path.
   8
   9 // RUN: mkdir -p %t/workdir/subdir
  10 // RUN: echo "@subdir/cfg-s2" > %t/workdir/cfg-1
  11 // RUN: echo "-Wundefined-var-template" > %t/workdir/subdir/cfg-s2
  12 //
  13 // RUN: ( cd %t && %clang --config=workdir/cfg-1 -c -### %s 2>&1 | FileCheck %s -check-prefix CHECK-REL )
  14 //
  15 // CHECK-REL: Configuration file: {{.*}}/workdir/cfg-1
  16 // CHECK-REL: -Wundefined-var-template
  17
  18 //--- Config files are searched for in binary directory as well.
  19 //
  20 // RUN: mkdir %t/testbin
  21 // RUN: ln -s %clang %t/testbin/clang
  22 // RUN: echo "-Werror" > %t/testbin/aaa.cfg
  23 // RUN: %t/testbin/clang --config-system-dir= --config-user-dir= --config=aaa.cfg -c -no-canonical-prefixes -### %s 2>&1 | FileCheck %s -check-prefix CHECK-BIN
  24 //
  25 // CHECK-BIN: Configuration file: {{.*}}/testbin/aaa.cfg
  26 // CHECK-BIN: -Werror
  27
  28 //--- Invocation x86_64-unknown-linux-gnu-clang-g++ tries x86_64-unknown-linux-gnu-clang++.cfg first.
  29 //
  30 // RUN: mkdir %t/testdmode
  31 // RUN: ln -s %clang %t/testdmode/cheribsd-riscv64-hybrid-clang++
  32 // RUN: ln -s %clang %t/testdmode/qqq-clang-g++
  33 // RUN: ln -s %clang %t/testdmode/x86_64-clang
  34 // RUN: ln -s %clang %t/testdmode/i386-unknown-linux-gnu-clang-g++
  35 // RUN: ln -s %clang %t/testdmode/x86_64-unknown-linux-gnu-clang-g++
  36 // RUN: ln -s %clang %t/testdmode/x86_64-unknown-linux-gnu-clang
  37 // RUN: touch %t/testdmode/cheribsd-riscv64-hybrid-clang++.cfg
  38 // RUN: touch %t/testdmode/cheribsd-riscv64-hybrid.cfg
  39 // RUN: touch %t/testdmode/qqq-clang-g++.cfg
  40 // RUN: touch %t/testdmode/qqq.cfg
  41 // RUN: touch %t/testdmode/x86_64-clang.cfg
  42 // RUN: touch %t/testdmode/x86_64.cfg
  43 // RUN: touch %t/testdmode/x86_64-unknown-linux-gnu-clang++.cfg
  44 // RUN: touch %t/testdmode/x86_64-unknown-linux-gnu-clang-g++.cfg
  45 // RUN: touch %t/testdmode/x86_64-unknown-linux-gnu-clang.cfg
  46 // RUN: touch %t/testdmode/x86_64-unknown-linux-gnu.cfg
  47 // RUN: touch %t/testdmode/i386-unknown-linux-gnu-clang++.cfg
  48 // RUN: touch %t/testdmode/i386-unknown-linux-gnu-clang-g++.cfg
  49 // RUN: touch %t/testdmode/i386-unknown-linux-gnu-clang.cfg
  50 // RUN: touch %t/testdmode/i386-unknown-linux-gnu.cfg
  51 // RUN: touch %t/testdmode/clang++.cfg
  52 // RUN: touch %t/testdmode/clang-g++.cfg
  53 // RUN: touch %t/testdmode/clang.cfg
  54 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL1 --implicit-check-not 'Configuration file:'
  55 //
  56 // FULL1: Configuration file: {{.*}}/testdmode/x86_64-unknown-linux-gnu-clang++.cfg
  57
  58 //--- -m32 overrides triple.
  59 //
  60 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ -m32 --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL1-I386 --implicit-check-not 'Configuration file:'
  61 //
  62 // FULL1-I386: Configuration file: {{.*}}/testdmode/i386-unknown-linux-gnu-clang++.cfg
  63
  64 //--- --target= also works for overriding triple.
  65 //
  66 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ --target=i386-unknown-linux-gnu --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL1-I386 --implicit-check-not 'Configuration file:'
  67
  68 //--- With --target= + -m64, -m64 takes precedence.
  69 //
  70 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ --target=i386-unknown-linux-gnu -m64 --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL1 --implicit-check-not 'Configuration file:'
  71
  72 //--- i386 prefix also works for 32-bit.
  73 //
  74 // RUN: %t/testdmode/i386-unknown-linux-gnu-clang-g++ --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL1-I386 --implicit-check-not 'Configuration file:'
  75
  76 //--- i386 prefix + -m64 also works for 64-bit.
  77 //
  78 // RUN: %t/testdmode/i386-unknown-linux-gnu-clang-g++ -m64 --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL1 --implicit-check-not 'Configuration file:'
  79
  80 //--- File specified by --config= is loaded after the one inferred from the executable.
  81 //
  82 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ --config-system-dir=%S/Inputs/config --config-user-dir= --config=i386-qqq.cfg -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix EXPLICIT --implicit-check-not 'Configuration file:'
  83 //
  84 // EXPLICIT: Configuration file: {{.*}}/testdmode/x86_64-unknown-linux-gnu-clang++.cfg
  85 // EXPLICIT-NEXT: Configuration file: {{.*}}/Inputs/config/i386-qqq.cfg
  86
  87 //--- --no-default-config --config= loads only specified file.
  88 //
  89 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ --config-system-dir=%S/Inputs/config --config-user-dir= --no-default-config --config=i386-qqq.cfg -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix EXPLICIT-ONLY --implicit-check-not 'Configuration file:'
  90 //
  91 // EXPLICIT-ONLY: Configuration file: {{.*}}/Inputs/config/i386-qqq.cfg
  92
  93 //--- --no-default-config disables default filenames.
  94 //
  95 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ --config-system-dir=%S/Inputs/config --config-user-dir= --no-default-config -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix NO-CONFIG
  96 //
  97 // NO-CONFIG-NOT: Configuration file:
  98
  99 //--- --driver-mode= is respected.
 100 //
 101 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ --driver-mode=gcc --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL1-GCC --implicit-check-not 'Configuration file:'
 102 //
 103 // FULL1-GCC: Configuration file: {{.*}}/testdmode/x86_64-unknown-linux-gnu-clang.cfg
 104
 105 //--- "clang" driver symlink should yield the "*-clang" configuration file.
 106 //
 107 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL1-GCC --implicit-check-not 'Configuration file:'
 108
 109 //--- "clang" + --driver-mode= should yield "*-clang++".
 110 //
 111 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang --driver-mode=g++ --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL1 --implicit-check-not 'Configuration file:'
 112
 113 //--- Clang started via name prefix that is not valid is forcing that prefix instead of target triple.
 114 //
 115 // RUN: %t/testdmode/qqq-clang-g++ --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix QQQ --implicit-check-not 'Configuration file:'
 116 //
 117 // QQQ: Configuration file: {{.*}}/testdmode/qqq-clang-g++.cfg
 118
 119 //--- Explicit --target= overrides the triple even with non-standard name prefix.
 120 //
 121 // RUN: %t/testdmode/qqq-clang-g++ --target=x86_64-unknown-linux-gnu --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL1 --implicit-check-not 'Configuration file:'
 122
 123 //--- "x86_64" prefix does not form a valid triple either.
 124 //
 125 // RUN: %t/testdmode/x86_64-clang --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix X86_64 --implicit-check-not 'Configuration file:'
 126 //
 127 // X86_64: Configuration file: {{.*}}/testdmode/x86_64-clang.cfg
 128
 129 //--- Try cheribsd prefix using misordered triple components.
 130 //
 131 // RUN: %t/testdmode/cheribsd-riscv64-hybrid-clang++ --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix CHERIBSD --implicit-check-not 'Configuration file:'
 132 //
 133 // CHERIBSD: Configuration file: {{.*}}/testdmode/cheribsd-riscv64-hybrid-clang++.cfg
 134
 135 //--- Test fallback to x86_64-unknown-linux-gnu-clang-g++.cfg.
 136 //
 137 // RUN: rm %t/testdmode/x86_64-unknown-linux-gnu-clang++.cfg
 138 // RUN: rm %t/testdmode/i386-unknown-linux-gnu-clang++.cfg
 139 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL2 --implicit-check-not 'Configuration file:'
 140 //
 141 // FULL2: Configuration file: {{.*}}/testdmode/x86_64-unknown-linux-gnu-clang-g++.cfg
 142
 143 //--- FULL2 + -m32.
 144 //
 145 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ -m32 --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL2-I386 --implicit-check-not 'Configuration file:'
 146 //
 147 // FULL2-I386: Configuration file: {{.*}}/testdmode/i386-unknown-linux-gnu-clang-g++.cfg
 148
 149 //--- Test fallback to x86_64-unknown-linux-gnu-clang.cfg + clang++.cfg.
 150 //
 151 // RUN: rm %t/testdmode/cheribsd-riscv64-hybrid-clang++.cfg
 152 // RUN: rm %t/testdmode/qqq-clang-g++.cfg
 153 // RUN: rm %t/testdmode/x86_64-clang.cfg
 154 // RUN: rm %t/testdmode/x86_64-unknown-linux-gnu-clang-g++.cfg
 155 // RUN: rm %t/testdmode/i386-unknown-linux-gnu-clang-g++.cfg
 156 // RUN: rm %t/testdmode/x86_64-unknown-linux-gnu-clang.cfg
 157 // RUN: rm %t/testdmode/i386-unknown-linux-gnu-clang.cfg
 158 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL3 --implicit-check-not 'Configuration file:'
 159 //
 160 // FULL3: Configuration file: {{.*}}/testdmode/clang++.cfg
 161 // FULL3: Configuration file: {{.*}}/testdmode/x86_64-unknown-linux-gnu.cfg
 162
 163 //--- FULL3 + -m32.
 164 //
 165 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ -m32 --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL3-I386 --implicit-check-not 'Configuration file:'
 166 //
 167 // FULL3-I386: Configuration file: {{.*}}/testdmode/clang++.cfg
 168 // FULL3-I386: Configuration file: {{.*}}/testdmode/i386-unknown-linux-gnu.cfg
 169
 170 //--- FULL3 + --driver-mode=.
 171 //
 172 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ --driver-mode=gcc --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL3-GCC --implicit-check-not 'Configuration file:'
 173 //
 174 // FULL3-GCC: Configuration file: {{.*}}/testdmode/clang.cfg
 175 // FULL3-GCC: Configuration file: {{.*}}/testdmode/x86_64-unknown-linux-gnu.cfg
 176
 177 //--- QQQ fallback.
 178 //
 179 // RUN: %t/testdmode/qqq-clang-g++ --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix QQQ-FALLBACK --implicit-check-not 'Configuration file:'
 180 //
 181 // QQQ-FALLBACK: Configuration file: {{.*}}/testdmode/clang++.cfg
 182 // QQQ-FALLBACK: Configuration file: {{.*}}/testdmode/qqq.cfg
 183
 184 //--- "x86_64" falback.
 185 //
 186 // RUN: %t/testdmode/x86_64-clang --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix X86_64-FALLBACK --implicit-check-not 'Configuration file:'
 187 //
 188 // X86_64-FALLBACK: Configuration file: {{.*}}/testdmode/clang.cfg
 189 // X86_64-FALLBACK: Configuration file: {{.*}}/testdmode/x86_64.cfg
 190
 191 //--- cheribsd fallback.
 192 //
 193 // RUN: %t/testdmode/cheribsd-riscv64-hybrid-clang++ --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix CHERIBSD-FALLBACK --implicit-check-not 'Configuration file:'
 194 //
 195 // CHERIBSD-FALLBACK: Configuration file: {{.*}}/testdmode/clang++.cfg
 196 // CHERIBSD-FALLBACK: Configuration file: {{.*}}/testdmode/cheribsd-riscv64-hybrid.cfg
 197
 198 //--- Test fallback to x86_64-unknown-linux-gnu.cfg + clang-g++.cfg.
 199 //
 200 // RUN: rm %t/testdmode/clang++.cfg
 201 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL4 --implicit-check-not 'Configuration file:'
 202 //
 203 // FULL4: Configuration file: {{.*}}/testdmode/clang-g++.cfg
 204 // FULL4: Configuration file: {{.*}}/testdmode/x86_64-unknown-linux-gnu.cfg
 205
 206 //--- Test fallback to clang-g++.cfg if x86_64-unknown-linux-gnu-clang.cfg does not exist.
 207 //
 208 // RUN: rm %t/testdmode/x86_64-unknown-linux-gnu.cfg
 209 // RUN: rm %t/testdmode/i386-unknown-linux-gnu.cfg
 210 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL5 --implicit-check-not 'Configuration file:'
 211 //
 212 // FULL5: Configuration file: {{.*}}/testdmode/clang-g++.cfg
 213
 214 //--- FULL5 + -m32.
 215 //
 216 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ -m32 --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix FULL5-I386 --implicit-check-not 'Configuration file:'
 217 //
 218 // FULL5-I386: Configuration file: {{.*}}/testdmode/clang-g++.cfg
 219
 220 //--- Test that incorrect driver mode config file is not used.
 221 //
 222 // RUN: rm %t/testdmode/clang-g++.cfg
 223 // RUN: %t/testdmode/x86_64-unknown-linux-gnu-clang-g++ --config-system-dir= --config-user-dir= -no-canonical-prefixes --version 2>&1 | FileCheck %s -check-prefix NO-CONFIG
 224
 225 //--- Tilde expansion in user configuration file directory
 226 //
 227 // RUN: HOME=%S/Inputs/config %clang -### --config-user-dir=~ -v 2>&1 | FileCheck %s --check-prefix=CHECK-TILDE
 228 // CHECK-TILDE: User configuration file directory: {{.*}}/Inputs/config