internal/rosa/package: migrate gcc

The azalea implementation used an adaptation of this as testdata.

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 78 insertions, 0 deletions

diff --git a/internal/rosa/bison.go b/internal/rosa/bison.go
new file mode 100644
index 00000000..b79ed9e1
--- /dev/null
+++ b/internal/rosa/bison.go
@@ -0,0 +1,78 @@
+package rosa
+
+import (
+	"slices"
+	"strconv"
+	"strings"
+
+	"hakurei.app/internal/pkg"
+)
+
+// skipGNUTests generates a string for skipping specific tests by number in a
+// GNU test suite. This is nontrivial because the test suite does not support
+// excluding tests in any way, so ranges for all but the skipped tests have to
+// be specified instead.
+//
+// For example, to skip test 764, ranges around the skipped test must be
+// specified:
+//
+//	1-763 765-
+//
+// Tests are numbered starting from 1. The resulting string is unquoted.
+func skipGNUTests(tests ...int) string {
+	tests = slices.Clone(tests)
+	slices.Sort(tests)
+
+	var buf strings.Builder
+
+	if tests[0] != 1 {
+		buf.WriteString("1-")
+	}
+
+	for i, n := range tests {
+		if n != 1 && (i == 0 || tests[i-1] != n-1) {
+			buf.WriteString(strconv.Itoa(n - 1))
+			buf.WriteString(" ")
+		}
+		if i == len(tests)-1 || tests[i+1] != n+1 {
+			buf.WriteString(strconv.Itoa(n + 1))
+			buf.WriteString("-")
+		}
+	}
+	return buf.String()
+}
+
+func (t Toolchain) newBison() (pkg.Artifact, string) {
+	const (
+		version  = "3.8.2"
+		checksum = "BhRM6K7URj1LNOkIDCFDctSErLS-Xo5d9ba9seg10o6ACrgC1uNhED7CQPgIY29Y"
+	)
+	return t.NewPackage("bison", version, newTar(
+		"https://ftpmirror.gnu.org/gnu/bison/bison-"+version+".tar.gz",
+		checksum,
+		pkg.TarGzip,
+	), nil, &MakeHelper{
+		Check: []string{
+			"TESTSUITEFLAGS=" + jobsFlagE + "' " + skipGNUTests(
+				// clang miscompiles (SIGILL)
+				764,
+			) + "'",
+			"check",
+		},
+	},
+		M4,
+		Diffutils,
+		Sed,
+	), version
+}
+func init() {
+	native.MustRegister(&Artifact{
+		f: Toolchain.newBison,
+
+		Name:        "bison",
+		Description: "a general-purpose parser generator",
+		Website:     "https://www.gnu.org/software/bison/",
+
+		ID: 193,
+	})
+}