internal/rosa/cmake: optionally use makefile

This breaks the dependency loop in zlib.

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

internal/rosa/cmake.go

@@ -128,6 +128,9 @@ type CMakeHelper struct {
 	Cache [][2]string
 	// Runs after install.
 	Script string
+
+	// Whether to generate Makefile instead.
+	Make bool
 }
 
 var _ Helper = new(CMakeHelper)
@@ -141,7 +144,10 @@ func (attr *CMakeHelper) name(name, version string) string {
 }
 
 // extra returns a hardcoded slice of [CMake] and [Ninja].
-func (*CMakeHelper) extra(int) []PArtifact {
+func (attr *CMakeHelper) extra(int) []PArtifact {
+	if attr != nil && attr.Make {
+		return []PArtifact{CMake, Make}
+	}
 	return []PArtifact{CMake, Ninja}
 }
 
@@ -173,8 +179,13 @@ func (attr *CMakeHelper) script(name string) string {
 		panic("CACHE must be non-empty")
 	}
 
+	generate := "Ninja"
+	if attr.Make {
+		generate = "'Unix Makefiles'"
+	}
+
 	return `
-cmake -G Ninja \
+cmake -G ` + generate + ` \
 	-DCMAKE_C_COMPILER_TARGET="${ROSA_TRIPLE}" \
 	-DCMAKE_CXX_COMPILER_TARGET="${ROSA_TRIPLE}" \
 	-DCMAKE_ASM_COMPILER_TARGET="${ROSA_TRIPLE}" \