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pkg/build: add a test for build failure root causing

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Such error popped up during bisection on older kernels.
It's already detected properly, yet build failed with just "make failed"...
Unclear why that happened, but the test won't harm.

Update #501
This commit is contained in:
Dmitry Vyukov 2019-03-21 14:25:08 +01:00
parent a9007a8ccb
commit 7c9c9fd24f
1 changed files with 15 additions and 0 deletions
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15
pkg/build/build_test.go
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@ -37,6 +37,7 @@ func TestCompilerIdentity(t *testing.T) {
}
func TestExtractRootCause(t *testing.T) {
// nolint: lll
for _, s := range []struct{ e, expect string }{
{`
cc -g -Werror db_break.c
@ -51,6 +52,20 @@ int kcov_cold = 1;
`,
"sys/dev/kcov.c:93:6: error: use of undeclared identifier 'kcov_cold123'; did you mean 'kcov_cold'?",
},
{`
CC /tools/objtool/parse-options.o
In file included from ./scripts/gcc-plugins/gcc-common.h:119:0,
from <stdin>:1:
/gcc-5.5.0/bin/../lib/gcc/x86_64-unknown-linux-gnu/5.5.0/plugin/include/builtins.h:23:17: fatal error: mpc.h: No such file or directory
compilation terminated.
Cannot use CONFIG_GCC_PLUGINS: your gcc installation does not support plugins, perhaps the necessary headers are missing?
scripts/Makefile.gcc-plugins:51: recipe for target 'gcc-plugins-check' failed
make: *** [gcc-plugins-check] Error 1
make: *** Waiting for unfinished jobs....
UPD include/config/kernel.release
`,
"/gcc-5.5.0/bin/../lib/gcc/x86_64-unknown-linux-gnu/5.5.0/plugin/include/builtins.h:23:17: fatal error: mpc.h: No such file or directory",
},
} {
got := extractCauseInner([]byte(s.e))
if !bytes.Equal([]byte(s.expect), got) {