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cgo: support errno value as second return parameter

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Making this work on all targets was interesting but there's now a test
in place to make sure this works on all targets that have the CGo test
enabled (which is almost all targets).
This commit is contained in:
Ayke van Laethem
2024-11-06 14:57:56 +01:00
committed by Ayke
parent 548fba82e6
commit 6593cf22fa
23 changed files with 263 additions and 16 deletions
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compileopts/config.go
+2
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@@ -331,6 +331,7 @@ func (c *Config) CFlags(libclang bool) []string {
"-isystem", filepath.Join(path, "include"),
"-isystem", filepath.Join(picolibcDir, "include"),
"-isystem", filepath.Join(picolibcDir, "tinystdio"),
"-D__PICOLIBC_ERRNO_FUNCTION=__errno_location",
)
case "musl":
root := goenv.Get("TINYGOROOT")
@@ -340,6 +341,7 @@ func (c *Config) CFlags(libclang bool) []string {
"-nostdlibinc",
"-isystem", filepath.Join(path, "include"),
"-isystem", filepath.Join(root, "lib", "musl", "arch", arch),
"-isystem", filepath.Join(root, "lib", "musl", "arch", "generic"),
"-isystem", filepath.Join(root, "lib", "musl", "include"),
)
case "wasi-libc":