gcc musl manual 1

_build.sh

@@ -1132,10 +1132,17 @@ build_single_target() {
     clangrtlib="$(basename "${clangrtlib}" | cut -c 4-)"  # delete 'lib' prefix
     clangrtlib="${clangrtlib%.*}"  # gcc
     libprefix="/usr/lib/${_machine}-linux-musl"
-    _CFLAGS_GLOBAL="${_CFLAGS_GLOBAL} -nostdinc -isystem ${clangrsdir}/include -isystem /usr/include/${_machine}-linux-musl"
-    _LDFLAGS_GLOBAL="${_LDFLAGS_GLOBAL} -nostdlib -nodefaultlibs -nostartfiles -L${libprefix} ${libprefix}/crt1.o ${libprefix}/crti.o -L${clangrsdir} ${libprefix}/crtn.o"
-    _LIBS_GLOBAL="${_LIBS_GLOBAL} -lc -l${clangrtlib}"
+    _CFLAGS_GLOBAL="${_CFLAGS_GLOBAL} -nostdinc -isystem /usr/include/${_machine}-linux-musl -isystem include"
+    _LDFLAGS_GLOBAL="${_LDFLAGS_GLOBAL} -nostdlib -nodefaultlibs -nostartfiles -L${libprefix} ${libprefix}/Scrt1.o ${libprefix}/crti.o -L${clangrsdir} crtbeginS.o crtendS.o ${libprefix}/crtn.o"
+    _LIBS_GLOBAL="${_LIBS_GLOBAL} -lc libgcc.a libgcc_eh.a"
   fi
+# *cpp_options:    -nostdinc -isystem /usr/include/aarch64-linux-musl -isystem include%s %(old_cpp_options)
+# *cc1: %(cc1_cpu) -nostdinc -isystem /usr/include/aarch64-linux-musl -isystem include%s
+# *link_libgcc: -L/usr/lib/aarch64-linux-musl -L .%s
+# *libgcc: libgcc.a%s %:if-exists(libgcc_eh.a%s)
+# *startfile: %{!shared: /usr/lib/aarch64-linux-musl/Scrt1.o} /usr/lib/aarch64-linux-musl/crti.o crtbeginS.o%s
+# *endfile: crtendS.o%s /usr/lib/aarch64-linux-musl/crtn.o
+# *link: -dynamic-linker /lib/ld-musl-aarch64.so.1 -nostdlib %{shared:-shared} %{static:-static} %{rdynamic:-export-dynamic}
 
   if [ "${_CCRT}" = 'clang-rt' ]; then
     if [ "${_TOOLCHAIN}" != 'llvm-apple' ]; then