From edf06589cc0ad9474b6c17aa84af90a932eaca13 Mon Sep 17 00:00:00 2001 From: nbd Date: Sat, 26 Jan 2013 16:26:13 +0000 Subject: kernel: use -ffunction-sections, -fdata-sections and --gc-sections on mips in combination with kernel symbol export stripping this significantly reduces the kernel image size git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35320 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- include/kernel-build.mk | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) (limited to 'include') diff --git a/include/kernel-build.mk b/include/kernel-build.mk index 0b7b54fdd..095940c57 100644 --- a/include/kernel-build.mk +++ b/include/kernel-build.mk @@ -81,15 +81,11 @@ define BuildKernel ( \ echo '#define SYMTAB_KEEP \'; \ cat $(KERNEL_BUILD_DIR)/sym_include.txt | \ - awk '{print "*(___ksymtab+" $$$$1 ") \\" }'; \ + awk '{print "KEEP(*(___ksymtab+" $$$$1 ")) \\" }'; \ echo; \ echo '#define SYMTAB_KEEP_GPL \'; \ cat $(KERNEL_BUILD_DIR)/sym_include.txt | \ - awk '{print "*(___ksymtab_gpl+" $$$$1 ") \\" }'; \ - echo; \ - echo '#define SYMTAB_KEEP_STR \'; \ - cat $(KERNEL_BUILD_DIR)/sym_include.txt | \ - awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \ + awk '{print "KEEP(*(___ksymtab_gpl+" $$$$1 ")) \\" }'; \ echo; \ echo '#define SYMTAB_DISCARD \'; \ cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \ @@ -99,10 +95,6 @@ define BuildKernel cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \ awk '{print "*(___ksymtab_gpl+" $$$$1 ") \\" }'; \ echo; \ - echo '#define SYMTAB_DISCARD_STR \'; \ - cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \ - awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \ - echo; \ ) > $$@ $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_KCONFIG_LIST) $(TOPDIR)/.config -- cgit v1.2.3