aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--pkg/csource/build.go17
-rw-r--r--pkg/instance/instance.go2
-rw-r--r--pkg/repro/repro.go2
3 files changed, 16 insertions, 5 deletions
diff --git a/pkg/csource/build.go b/pkg/csource/build.go
index 35ac28e83..56d5487a8 100644
--- a/pkg/csource/build.go
+++ b/pkg/csource/build.go
@@ -18,15 +18,23 @@ import (
// Build builds a C program from source src and returns name of the resulting binary.
func Build(target *prog.Target, src []byte) (string, error) {
- return build(target, src, "")
+ return build(target, src, "", true)
+}
+
+// BuildNoWarn is the same as Build, but ignores all compilation warnings.
+// Should not be used in tests, but may be used e.g. when we are bisecting and potentially
+// using an old repro with newer compiler, or a compiler that we never seen before.
+// In these cases it's more important to build successfully.
+func BuildNoWarn(target *prog.Target, src []byte) (string, error) {
+ return build(target, src, "", false)
}
// BuildFile builds a C/C++ program from file src and returns name of the resulting binary.
func BuildFile(target *prog.Target, src string) (string, error) {
- return build(target, nil, src)
+ return build(target, nil, src, true)
}
-func build(target *prog.Target, src []byte, file string) (string, error) {
+func build(target *prog.Target, src []byte, file string, warn bool) (string, error) {
sysTarget := targets.Get(target.OS, target.Arch)
compiler := sysTarget.CCompiler
if _, err := exec.LookPath(compiler); err != nil {
@@ -55,6 +63,9 @@ func build(target *prog.Target, src []byte, file string) (string, error) {
// We do generate uint64's for syscall arguments that overflow longs on 32-bit archs.
flags = append(flags, "-Wno-overflow")
}
+ if !warn {
+ flags = append(flags, "-fpermissive", "-w")
+ }
cmd := osutil.Command(compiler, flags...)
if file == "" {
cmd.Stdin = bytes.NewReader(src)
diff --git a/pkg/instance/instance.go b/pkg/instance/instance.go
index ac553c2b9..7df34d191 100644
--- a/pkg/instance/instance.go
+++ b/pkg/instance/instance.go
@@ -342,7 +342,7 @@ func (inst *inst) testRepro() error {
if err != nil {
return err
}
- bin, err := csource.Build(target, inst.reproC)
+ bin, err := csource.BuildNoWarn(target, inst.reproC)
if err != nil {
return err
}
diff --git a/pkg/repro/repro.go b/pkg/repro/repro.go
index 2c6a0e6ed..7aafdde31 100644
--- a/pkg/repro/repro.go
+++ b/pkg/repro/repro.go
@@ -556,7 +556,7 @@ func (ctx *context) testCProg(p *prog.Prog, duration time.Duration, opts csource
if err != nil {
return false, err
}
- bin, err := csource.Build(p.Target, src)
+ bin, err := csource.BuildNoWarn(p.Target, src)
if err != nil {
return false, err
}