musl: enhanced build to also puthe the headers in the resulting archive, not only in the sandbox.

base/musl/musl.conf

@@ -20,14 +20,11 @@ if [ $prefix_auto == 1 ]; then
 fi
 
 var_append configprefix ' ' "LDFLAGS=\"$LDFLAGS -Wl,-soname,libc.musl-$musl_arch.so.1\""
-var_append extraconfopt ' ' '--host=$arch_build'
-var_append extraconfopt ' ' '--enable-debug'
 
 if atstage toolchain; then
 	confopt="$extraconfopt"
 
 	makeopt="ARCH=$musl_arch"
-	makeinstopt="ARCH=$musl_arch prefix=/usr DESTDIR=$sysroot install-headers"
 fi
 
 musl_postinstall() {
@@ -77,6 +74,10 @@ if [ "$SDECFG_LIBC" == "musl" ]; then
 fi
 
 # always install the headers even if already present in the sandbox
-hook_add postpatch 9 "touch include/*.h include/*/*.h arch/$musl_arch/*.h arch/$musl_arch/*/*.h"
-var_append makeinstopt ' ' "install-headers"
+install_headers() {
+	touch include/*.h include/*/*.h arch/$musl_arch/*.h arch/$musl_arch/*/*.h arch/generic/*/*.h
+	$MAKE ARCH=$musl_arch prefix=/usr DESTDIR=$sysroot install-headers
+}
+
+hook_add postmake 9 "install_headers"