+++ /dev/null
-From: Felix Fietkau <nbd@openwrt.org>
-
-use -ffunction-sections, -fdata-sections and --gc-sections
-
-In combination with kernel symbol export stripping this significantly reduces
-the kernel image size. Used on both ARM and MIPS architectures.
-
-Signed-off-by: Felix Fietkau <nbd@openwrt.org>
-Signed-off-by: Jonas Gorski <jogo@openwrt.org>
-Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
----
-
---- a/arch/mips/Makefile
-+++ b/arch/mips/Makefile
-@@ -89,10 +89,14 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
- #
- cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
- cflags-y += -msoft-float
--LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
-+LDFLAGS_vmlinux += -G 0 -static -n -nostdlib --gc-sections
- KBUILD_AFLAGS_MODULE += -mlong-calls
- KBUILD_CFLAGS_MODULE += -mlong-calls
-
-+ifndef CONFIG_FUNCTION_TRACER
-+KBUILD_CFLAGS_KERNEL += -ffunction-sections -fdata-sections
-+endif
-+
- #
- # pass -msoft-float to GAS if it supports it. However on newer binutils
- # (specifically newer than 2.24.51.20140728) we then also need to explicitly
---- a/arch/mips/kernel/vmlinux.lds.S
-+++ b/arch/mips/kernel/vmlinux.lds.S
-@@ -67,7 +67,7 @@ SECTIONS
- /* Exception table for data bus errors */
- __dbe_table : {
- __start___dbe_table = .;
-- *(__dbe_table)
-+ KEEP(*(__dbe_table))
- __stop___dbe_table = .;
- }
-
-@@ -112,7 +112,7 @@ SECTIONS
- . = ALIGN(4);
- .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
- __mips_machines_start = .;
-- *(.mips.machines.init)
-+ KEEP(*(.mips.machines.init))
- __mips_machines_end = .;
- }
-
---- a/include/asm-generic/vmlinux.lds.h
-+++ b/include/asm-generic/vmlinux.lds.h
-@@ -89,7 +89,7 @@
- #ifdef CONFIG_FTRACE_MCOUNT_RECORD
- #define MCOUNT_REC() . = ALIGN(8); \
- VMLINUX_SYMBOL(__start_mcount_loc) = .; \
-- *(__mcount_loc) \
-+ KEEP(*(__mcount_loc)) \
- VMLINUX_SYMBOL(__stop_mcount_loc) = .;
- #else
- #define MCOUNT_REC()
-@@ -97,7 +97,7 @@
-
- #ifdef CONFIG_TRACE_BRANCH_PROFILING
- #define LIKELY_PROFILE() VMLINUX_SYMBOL(__start_annotated_branch_profile) = .; \
-- *(_ftrace_annotated_branch) \
-+ KEEP(*(_ftrace_annotated_branch)) \
- VMLINUX_SYMBOL(__stop_annotated_branch_profile) = .;
- #else
- #define LIKELY_PROFILE()
-@@ -105,7 +105,7 @@
-
- #ifdef CONFIG_PROFILE_ALL_BRANCHES
- #define BRANCH_PROFILE() VMLINUX_SYMBOL(__start_branch_profile) = .; \
-- *(_ftrace_branch) \
-+ KEEP(*(_ftrace_branch)) \
- VMLINUX_SYMBOL(__stop_branch_profile) = .;
- #else
- #define BRANCH_PROFILE()
-@@ -114,7 +114,7 @@
- #ifdef CONFIG_KPROBES
- #define KPROBE_BLACKLIST() . = ALIGN(8); \
- VMLINUX_SYMBOL(__start_kprobe_blacklist) = .; \
-- *(_kprobe_blacklist) \
-+ KEEP(*(_kprobe_blacklist)) \
- VMLINUX_SYMBOL(__stop_kprobe_blacklist) = .;
- #else
- #define KPROBE_BLACKLIST()
-@@ -123,7 +123,7 @@
- #ifdef CONFIG_EVENT_TRACING
- #define FTRACE_EVENTS() . = ALIGN(8); \
- VMLINUX_SYMBOL(__start_ftrace_events) = .; \
-- *(_ftrace_events) \
-+ KEEP(*(_ftrace_events)) \
- VMLINUX_SYMBOL(__stop_ftrace_events) = .;
- #else
- #define FTRACE_EVENTS()
-@@ -131,7 +131,7 @@
-
- #ifdef CONFIG_TRACING
- #define TRACE_PRINTKS() VMLINUX_SYMBOL(__start___trace_bprintk_fmt) = .; \
-- *(__trace_printk_fmt) /* Trace_printk fmt' pointer */ \
-+ KEEP(*(__trace_printk_fmt)) /* Trace_printk fmt' pointer */ \
- VMLINUX_SYMBOL(__stop___trace_bprintk_fmt) = .;
- #define TRACEPOINT_STR() VMLINUX_SYMBOL(__start___tracepoint_str) = .; \
- *(__tracepoint_str) /* Trace_printk fmt' pointer */ \
-@@ -144,7 +144,7 @@
- #ifdef CONFIG_FTRACE_SYSCALLS
- #define TRACE_SYSCALLS() . = ALIGN(8); \
- VMLINUX_SYMBOL(__start_syscalls_metadata) = .; \
-- *(__syscalls_metadata) \
-+ KEEP(*(__syscalls_metadata)) \
- VMLINUX_SYMBOL(__stop_syscalls_metadata) = .;
- #else
- #define TRACE_SYSCALLS()
-@@ -158,8 +158,8 @@
- #define _OF_TABLE_1(name) \
- . = ALIGN(8); \
- VMLINUX_SYMBOL(__##name##_of_table) = .; \
-- *(__##name##_of_table) \
-- *(__##name##_of_table_end)
-+ KEEP(*(__##name##_of_table)) \
-+ KEEP(*(__##name##_of_table_end))
-
- #define CLKSRC_OF_TABLES() OF_TABLE(CONFIG_CLKSRC_OF, clksrc)
- #define IRQCHIP_OF_MATCH_TABLE() OF_TABLE(CONFIG_IRQCHIP, irqchip)
-@@ -172,7 +172,7 @@
- #define KERNEL_DTB() \
- STRUCT_ALIGN(); \
- VMLINUX_SYMBOL(__dtb_start) = .; \
-- *(.dtb.init.rodata) \
-+ KEEP(*(.dtb.init.rodata)) \
- VMLINUX_SYMBOL(__dtb_end) = .;
-
- /* .data section */
-@@ -188,16 +188,17 @@
- /* implement dynamic printk debug */ \
- . = ALIGN(8); \
- VMLINUX_SYMBOL(__start___jump_table) = .; \
-- *(__jump_table) \
-+ KEEP(*(__jump_table)) \
- VMLINUX_SYMBOL(__stop___jump_table) = .; \
- . = ALIGN(8); \
- VMLINUX_SYMBOL(__start___verbose) = .; \
-- *(__verbose) \
-+ KEEP(*(__verbose)) \
- VMLINUX_SYMBOL(__stop___verbose) = .; \
- LIKELY_PROFILE() \
- BRANCH_PROFILE() \
- TRACE_PRINTKS() \
-- TRACEPOINT_STR()
-+ TRACEPOINT_STR() \
-+ *(.data.[a-zA-Z_]*)
-
- /*
- * Data section helpers
-@@ -251,35 +252,35 @@
- /* PCI quirks */ \
- .pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start_pci_fixups_early) = .; \
-- *(.pci_fixup_early) \
-+ KEEP(*(.pci_fixup_early)) \
- VMLINUX_SYMBOL(__end_pci_fixups_early) = .; \
- VMLINUX_SYMBOL(__start_pci_fixups_header) = .; \
-- *(.pci_fixup_header) \
-+ KEEP(*(.pci_fixup_header)) \
- VMLINUX_SYMBOL(__end_pci_fixups_header) = .; \
- VMLINUX_SYMBOL(__start_pci_fixups_final) = .; \
-- *(.pci_fixup_final) \
-+ KEEP(*(.pci_fixup_final)) \
- VMLINUX_SYMBOL(__end_pci_fixups_final) = .; \
- VMLINUX_SYMBOL(__start_pci_fixups_enable) = .; \
-- *(.pci_fixup_enable) \
-+ KEEP(*(.pci_fixup_enable)) \
- VMLINUX_SYMBOL(__end_pci_fixups_enable) = .; \
- VMLINUX_SYMBOL(__start_pci_fixups_resume) = .; \
-- *(.pci_fixup_resume) \
-+ KEEP(*(.pci_fixup_resume)) \
- VMLINUX_SYMBOL(__end_pci_fixups_resume) = .; \
- VMLINUX_SYMBOL(__start_pci_fixups_resume_early) = .; \
-- *(.pci_fixup_resume_early) \
-+ KEEP(*(.pci_fixup_resume_early)) \
- VMLINUX_SYMBOL(__end_pci_fixups_resume_early) = .; \
- VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .; \
-- *(.pci_fixup_suspend) \
-+ KEEP(*(.pci_fixup_suspend)) \
- VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .; \
- VMLINUX_SYMBOL(__start_pci_fixups_suspend_late) = .; \
-- *(.pci_fixup_suspend_late) \
-+ KEEP(*(.pci_fixup_suspend_late)) \
- VMLINUX_SYMBOL(__end_pci_fixups_suspend_late) = .; \
- } \
- \
- /* Built-in firmware blobs */ \
- .builtin_fw : AT(ADDR(.builtin_fw) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start_builtin_fw) = .; \
-- *(.builtin_fw) \
-+ KEEP(*(.builtin_fw)) \
- VMLINUX_SYMBOL(__end_builtin_fw) = .; \
- } \
- \
-@@ -288,49 +289,49 @@
- /* Kernel symbol table: Normal symbols */ \
- __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___ksymtab) = .; \
-- *(SORT(___ksymtab+*)) \
-+ KEEP(*(SORT(___ksymtab+*))) \
- VMLINUX_SYMBOL(__stop___ksymtab) = .; \
- } \
- \
- /* Kernel symbol table: GPL-only symbols */ \
- __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \
-- *(SORT(___ksymtab_gpl+*)) \
-+ KEEP(*(SORT(___ksymtab_gpl+*))) \
- VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \
- } \
- \
- /* Kernel symbol table: Normal unused symbols */ \
- __ksymtab_unused : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___ksymtab_unused) = .; \
-- *(SORT(___ksymtab_unused+*)) \
-+ KEEP(*(SORT(___ksymtab_unused+*))) \
- VMLINUX_SYMBOL(__stop___ksymtab_unused) = .; \
- } \
- \
- /* Kernel symbol table: GPL-only unused symbols */ \
- __ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .; \
-- *(SORT(___ksymtab_unused_gpl+*)) \
-+ KEEP(*(SORT(___ksymtab_unused_gpl+*))) \
- VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .; \
- } \
- \
- /* Kernel symbol table: GPL-future-only symbols */ \
- __ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .; \
-- *(SORT(___ksymtab_gpl_future+*)) \
-+ KEEP(*(SORT(___ksymtab_gpl_future+*))) \
- VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .; \
- } \
- \
- /* Kernel symbol table: Normal symbols */ \
- __kcrctab : AT(ADDR(__kcrctab) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___kcrctab) = .; \
-- *(SORT(___kcrctab+*)) \
-+ KEEP(*(SORT(___kcrctab+*))) \
- VMLINUX_SYMBOL(__stop___kcrctab) = .; \
- } \
- \
- /* Kernel symbol table: GPL-only symbols */ \
- __kcrctab_gpl : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___kcrctab_gpl) = .; \
-- *(SORT(___kcrctab_gpl+*)) \
-+ KEEP(*(SORT(___kcrctab_gpl+*))) \
- VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .; \
- } \
- \
-@@ -344,14 +345,14 @@
- /* Kernel symbol table: GPL-only unused symbols */ \
- __kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .; \
-- *(SORT(___kcrctab_unused_gpl+*)) \
-+ KEEP(*(SORT(___kcrctab_unused_gpl+*))) \
- VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .; \
- } \
- \
- /* Kernel symbol table: GPL-future-only symbols */ \
- __kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .; \
-- *(SORT(___kcrctab_gpl_future+*)) \
-+ KEEP(*(SORT(___kcrctab_gpl_future+*))) \
- VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .; \
- } \
- \
-@@ -370,14 +371,14 @@
- /* Built-in module parameters. */ \
- __param : AT(ADDR(__param) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___param) = .; \
-- *(__param) \
-+ KEEP(*(__param)) \
- VMLINUX_SYMBOL(__stop___param) = .; \
- } \
- \
- /* Built-in module versions. */ \
- __modver : AT(ADDR(__modver) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___modver) = .; \
-- *(__modver) \
-+ KEEP(*(__modver)) \
- VMLINUX_SYMBOL(__stop___modver) = .; \
- . = ALIGN((align)); \
- VMLINUX_SYMBOL(__end_rodata) = .; \
-@@ -433,7 +434,7 @@
- #define ENTRY_TEXT \
- ALIGN_FUNCTION(); \
- VMLINUX_SYMBOL(__entry_text_start) = .; \
-- *(.entry.text) \
-+ KEEP(*(.entry.text)) \
- VMLINUX_SYMBOL(__entry_text_end) = .;
-
- #ifdef CONFIG_FUNCTION_GRAPH_TRACER
-@@ -461,7 +462,7 @@
- . = ALIGN(align); \
- __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___ex_table) = .; \
-- *(__ex_table) \
-+ KEEP(*(__ex_table)) \
- VMLINUX_SYMBOL(__stop___ex_table) = .; \
- }
-
-@@ -477,9 +478,9 @@
- #ifdef CONFIG_CONSTRUCTORS
- #define KERNEL_CTORS() . = ALIGN(8); \
- VMLINUX_SYMBOL(__ctors_start) = .; \
-- *(.ctors) \
-+ KEEP(*(.ctors)) \
- *(SORT(.init_array.*)) \
-- *(.init_array) \
-+ KEEP(*(.init_array)) \
- VMLINUX_SYMBOL(__ctors_end) = .;
- #else
- #define KERNEL_CTORS()
-@@ -528,7 +529,7 @@
- #define SBSS(sbss_align) \
- . = ALIGN(sbss_align); \
- .sbss : AT(ADDR(.sbss) - LOAD_OFFSET) { \
-- *(.sbss) \
-+ *(.sbss .sbss.*) \
- *(.scommon) \
- }
-
-@@ -546,7 +547,7 @@
- BSS_FIRST_SECTIONS \
- *(.bss..page_aligned) \
- *(.dynbss) \
-- *(.bss) \
-+ *(.bss .bss.*) \
- *(COMMON) \
- }
-
-@@ -595,7 +596,7 @@
- . = ALIGN(8); \
- __bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__start___bug_table) = .; \
-- *(__bug_table) \
-+ KEEP(*(__bug_table)) \
- VMLINUX_SYMBOL(__stop___bug_table) = .; \
- }
- #else
-@@ -607,7 +608,7 @@
- . = ALIGN(4); \
- .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) { \
- VMLINUX_SYMBOL(__tracedata_start) = .; \
-- *(.tracedata) \
-+ KEEP(*(.tracedata)) \
- VMLINUX_SYMBOL(__tracedata_end) = .; \
- }
- #else
-@@ -624,17 +625,17 @@
- #define INIT_SETUP(initsetup_align) \
- . = ALIGN(initsetup_align); \
- VMLINUX_SYMBOL(__setup_start) = .; \
-- *(.init.setup) \
-+ KEEP(*(.init.setup)) \
- VMLINUX_SYMBOL(__setup_end) = .;
-
- #define INIT_CALLS_LEVEL(level) \
- VMLINUX_SYMBOL(__initcall##level##_start) = .; \
-- *(.initcall##level##.init) \
-- *(.initcall##level##s.init) \
-+ KEEP(*(.initcall##level##.init)) \
-+ KEEP(*(.initcall##level##s.init)) \
-
- #define INIT_CALLS \
- VMLINUX_SYMBOL(__initcall_start) = .; \
-- *(.initcallearly.init) \
-+ KEEP(*(.initcallearly.init)) \
- INIT_CALLS_LEVEL(0) \
- INIT_CALLS_LEVEL(1) \
- INIT_CALLS_LEVEL(2) \
-@@ -648,21 +649,21 @@
-
- #define CON_INITCALL \
- VMLINUX_SYMBOL(__con_initcall_start) = .; \
-- *(.con_initcall.init) \
-+ KEEP(*(.con_initcall.init)) \
- VMLINUX_SYMBOL(__con_initcall_end) = .;
-
- #define SECURITY_INITCALL \
- VMLINUX_SYMBOL(__security_initcall_start) = .; \
-- *(.security_initcall.init) \
-+ KEEP(*(.security_initcall.init)) \
- VMLINUX_SYMBOL(__security_initcall_end) = .;
-
- #ifdef CONFIG_BLK_DEV_INITRD
- #define INIT_RAM_FS \
- . = ALIGN(4); \
- VMLINUX_SYMBOL(__initramfs_start) = .; \
-- *(.init.ramfs) \
-+ KEEP(*(.init.ramfs)) \
- . = ALIGN(8); \
-- *(.init.ramfs.info)
-+ KEEP(*(.init.ramfs.info))
- #else
- #define INIT_RAM_FS
- #endif
---- a/arch/arm/Makefile
-+++ b/arch/arm/Makefile
-@@ -18,11 +18,16 @@ ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
- LDFLAGS_vmlinux += --be8
- LDFLAGS_MODULE += --be8
- endif
-+LDFLAGS_vmlinux += --gc-sections
-
- OBJCOPYFLAGS :=-O binary -R .comment -S
- GZFLAGS :=-9
- #KBUILD_CFLAGS +=-pipe
-
-+ifndef CONFIG_FUNCTION_TRACER
-+KBUILD_CFLAGS_KERNEL += -ffunction-sections -fdata-sections
-+endif
-+
- # Never generate .eh_frame
- KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)
-
---- a/arch/arm/kernel/vmlinux.lds.S
-+++ b/arch/arm/kernel/vmlinux.lds.S
-@@ -15,13 +15,13 @@
- #define PROC_INFO \
- . = ALIGN(4); \
- VMLINUX_SYMBOL(__proc_info_begin) = .; \
-- *(.proc.info.init) \
-+ KEEP(*(.proc.info.init)) \
- VMLINUX_SYMBOL(__proc_info_end) = .;
-
- #define IDMAP_TEXT \
- ALIGN_FUNCTION(); \
- VMLINUX_SYMBOL(__idmap_text_start) = .; \
-- *(.idmap.text) \
-+ KEEP(*(.idmap.text)) \
- VMLINUX_SYMBOL(__idmap_text_end) = .; \
- . = ALIGN(32); \
- VMLINUX_SYMBOL(__hyp_idmap_text_start) = .; \
-@@ -101,7 +101,7 @@ SECTIONS
- .text : { /* Real text segment */
- _stext = .; /* Text and read-only data */
- __exception_text_start = .;
-- *(.exception.text)
-+ KEEP(*(.exception.text))
- __exception_text_end = .;
- IRQENTRY_TEXT
- TEXT_TEXT
-@@ -129,7 +129,7 @@ SECTIONS
- __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
- __start___ex_table = .;
- #ifdef CONFIG_MMU
-- *(__ex_table)
-+ KEEP(*(__ex_table))
- #endif
- __stop___ex_table = .;
- }
-@@ -141,12 +141,12 @@ SECTIONS
- . = ALIGN(8);
- .ARM.unwind_idx : {
- __start_unwind_idx = .;
-- *(.ARM.exidx*)
-+ KEEP(*(.ARM.exidx*))
- __stop_unwind_idx = .;
- }
- .ARM.unwind_tab : {
- __start_unwind_tab = .;
-- *(.ARM.extab*)
-+ KEEP(*(.ARM.extab*))
- __stop_unwind_tab = .;
- }
- #endif
-@@ -169,14 +169,14 @@ SECTIONS
- */
- __vectors_start = .;
- .vectors 0 : AT(__vectors_start) {
-- *(.vectors)
-+ KEEP(*(.vectors))
- }
- . = __vectors_start + SIZEOF(.vectors);
- __vectors_end = .;
-
- __stubs_start = .;
- .stubs 0x1000 : AT(__stubs_start) {
-- *(.stubs)
-+ KEEP(*(.stubs))
- }
- . = __stubs_start + SIZEOF(.stubs);
- __stubs_end = .;
-@@ -190,24 +190,24 @@ SECTIONS
- }
- .init.arch.info : {
- __arch_info_begin = .;
-- *(.arch.info.init)
-+ KEEP(*(.arch.info.init))
- __arch_info_end = .;
- }
- .init.tagtable : {
- __tagtable_begin = .;
-- *(.taglist.init)
-+ KEEP(*(.taglist.init))
- __tagtable_end = .;
- }
- #ifdef CONFIG_SMP_ON_UP
- .init.smpalt : {
- __smpalt_begin = .;
-- *(.alt.smp.init)
-+ KEEP(*(.alt.smp.init))
- __smpalt_end = .;
- }
- #endif
- .init.pv_table : {
- __pv_table_begin = .;
-- *(.pv_table)
-+ KEEP(*(.pv_table))
- __pv_table_end = .;
- }
- .init.data : {
---- a/arch/arm/boot/compressed/Makefile
-+++ b/arch/arm/boot/compressed/Makefile
-@@ -122,6 +122,7 @@ ifeq ($(CONFIG_FUNCTION_TRACER),y)
- ORIG_CFLAGS := $(KBUILD_CFLAGS)
- KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
- endif
-+KBUILD_CFLAGS_KERNEL := $(patsubst -f%-sections,,$(KBUILD_CFLAGS_KERNEL))
-
- ccflags-y := -fpic -mno-single-pic-base -fno-builtin -I$(obj)
- asflags-y := -DZIMAGE
projects / openwrt / openwrt.git / blobdiff