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authorOphestra <cat@gensokyo.uk>2026-10-22 01:56:23 +0900
committerOphestra <cat@gensokyo.uk>2026-10-22 11:10:01 +0900
commit9dfbf95db02054204defbe422099c02b790a19fc (patch)
treef8c318ebfc5c824b2eb5e7a8aac3b835ee05a4ed /internal/rosa/cmake.go
parent29f86b3446c9fe35d2a359df45471abdaa35cea4 (diff)
internal/rosa: initial cross-compilation support
This successfully cross-compiles the toolchain. More work is needed to support cross-compilation on all native helpers and existing packages. Signed-off-by: Ophestra <cat@gensokyo.uk>
Diffstat (limited to 'internal/rosa/cmake.go')
-rw-r--r--internal/rosa/cmake.go15
1 files changed, 14 insertions, 1 deletions
diff --git a/internal/rosa/cmake.go b/internal/rosa/cmake.go
index 2a262e6e..c037a239 100644
--- a/internal/rosa/cmake.go
+++ b/internal/rosa/cmake.go
@@ -86,12 +86,25 @@ func (attr *CMakeHelper) script(t Toolchain, name string) string {
}
cache = append(cache, attr.Cache...)
+ var cross string
+ if t.cross() {
+ cross = `
+ -DCMAKE_SYSTEM_NAME=Linux \
+ -DCMAKE_SYSROOT=/system/` + t.arch + ` \
+ -DCMAKE_C_COMPILER=/system/bin/clang \
+ -DCMAKE_CXX_COMPILER=/system/bin/clang++ \
+ -DCMAKE_ASM_COMPILER=/system/bin/clang \`
+ }
+
return `
cmake -G ` + generate + ` \
- -Wno-author -Wno-unused-cli \
+ -Wno-author -Wno-unused-cli \` + cross + `
-DCMAKE_C_COMPILER_TARGET='` + target + `' \
+ -DCMAKE_C_FLAGS='--target=` + target + `' \
-DCMAKE_CXX_COMPILER_TARGET='` + target + `' \
+ -DCMAKE_CXX_FLAGS='--target=` + target + `' \
-DCMAKE_ASM_COMPILER_TARGET='` + target + `' \
+ -DCMAKE_ASM_FLAGS='--target=` + target + `' \
-DCMAKE_INSTALL_LIBDIR=lib \
` + strings.Join(slices.Collect(func(yield func(string) bool) {
for _, v := range cache {