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authorMasahiro Yamada <yamada.masahiro@socionext.com>2018-11-29 11:58:50 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2018-12-01 22:21:59 +0900
commit65bba0423ecf89fb291d2269e0087707888a1cef (patch)
tree022a6145302564b1ecc2b387a5ab0ef8bf56e338
parent3b4152880348287b6b3d9a0708f1e2f4c540f3d0 (diff)
kbuild: fix UML build error with CONFIG_GCC_PLUGINS
UML fails to build with CONFIG_GCC_PLUGINS=y. $ make -s ARCH=um mrproper $ make -s ARCH=um allmodconfig $ make ARCH=um UPD include/generated/uapi/linux/version.h WRAP arch/x86/include/generated/uapi/asm/bpf_perf_event.h WRAP arch/x86/include/generated/uapi/asm/poll.h WRAP arch/x86/include/generated/asm/dma-contiguous.h WRAP arch/x86/include/generated/asm/early_ioremap.h WRAP arch/x86/include/generated/asm/export.h WRAP arch/x86/include/generated/asm/mcs_spinlock.h WRAP arch/x86/include/generated/asm/mm-arch-hooks.h SYSTBL arch/x86/include/generated/asm/syscalls_32.h SYSHDR arch/x86/include/generated/asm/unistd_32_ia32.h SYSHDR arch/x86/include/generated/asm/unistd_64_x32.h SYSTBL arch/x86/include/generated/asm/syscalls_64.h SYSHDR arch/x86/include/generated/uapi/asm/unistd_32.h SYSHDR arch/x86/include/generated/uapi/asm/unistd_64.h SYSHDR arch/x86/include/generated/uapi/asm/unistd_x32.h HOSTCC scripts/unifdef CC arch/x86/um/user-offsets.s cc1: error: cannot load plugin ./scripts/gcc-plugins/cyc_complexity_plugin.so ./scripts/gcc-plugins/cyc_complexity_plugin.so: cannot open shared object file: No such file or directory cc1: error: cannot load plugin ./scripts/gcc-plugins/structleak_plugin.so ./scripts/gcc-plugins/structleak_plugin.so: cannot open shared object file: No such file or directory cc1: error: cannot load plugin ./scripts/gcc-plugins/latent_entropy_plugin.so ./scripts/gcc-plugins/latent_entropy_plugin.so: cannot open shared object file: No such file or directory cc1: error: cannot load plugin ./scripts/gcc-plugins/randomize_layout_plugin.so ./scripts/gcc-plugins/randomize_layout_plugin.so: cannot open shared object file: No such file or directory make[1]: *** [scripts/Makefile.build;119: arch/x86/um/user-offsets.s] Error 1 make: *** [arch/um/Makefile;152: arch/x86/um/user-offsets.s] Error 2 Reorder the preparation stage (with cleanups) to make sure gcc-plugins is built before descending to arch/x86/um/. Fixes: 6b90bd4ba40b ("GCC plugin infrastructure") Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
-rw-r--r--Makefile4
-rw-r--r--arch/um/Makefile24
-rw-r--r--arch/x86/um/Makefile4
3 files changed, 7 insertions, 25 deletions
diff --git a/Makefile b/Makefile
index b2519b9b3599..bfab340453c6 100644
--- a/Makefile
+++ b/Makefile
@@ -1110,9 +1110,9 @@ prepare1: prepare2 $(version_h) $(autoksyms_h) include/generated/utsrelease.h
macroprepare: prepare1 archmacros
-archprepare: archheaders archscripts macroprepare scripts_basic
+archprepare: archheaders archscripts macroprepare scripts_basic gcc-plugins
-prepare0: archprepare gcc-plugins
+prepare0: archprepare
$(Q)$(MAKE) $(build)=.
# All the preparing..
diff --git a/arch/um/Makefile b/arch/um/Makefile
index ab1066c38944..c08035904849 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -116,7 +116,8 @@ endef
archheaders:
$(Q)$(MAKE) -f $(srctree)/Makefile ARCH=$(HEADER_ARCH) asm-generic archheaders
-archprepare: include/generated/user_constants.h
+archprepare:
+ $(Q)$(MAKE) $(build)=$(HOST_DIR)/um include/generated/user_constants.h
LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib $(call cc-option, -no-pie)
@@ -146,25 +147,4 @@ archclean:
@find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
-o -name '*.gcov' \) -type f -print | xargs rm -f
-# Generated files
-
-$(HOST_DIR)/um/user-offsets.s: __headers FORCE
- $(Q)$(MAKE) $(build)=$(HOST_DIR)/um $@
-
-define filechk_gen-asm-offsets
- (set -e; \
- echo "/*"; \
- echo " * DO NOT MODIFY."; \
- echo " *"; \
- echo " * This file was generated by arch/$(ARCH)/Makefile"; \
- echo " *"; \
- echo " */"; \
- echo ""; \
- sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}" < $<; \
- echo ""; )
-endef
-
-include/generated/user_constants.h: $(HOST_DIR)/um/user-offsets.s
- $(call filechk,gen-asm-offsets)
-
export HEADER_ARCH SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS DEV_NULL_PATH
diff --git a/arch/x86/um/Makefile b/arch/x86/um/Makefile
index c2d3d7c51e9e..17924646467c 100644
--- a/arch/x86/um/Makefile
+++ b/arch/x86/um/Makefile
@@ -36,10 +36,12 @@ subarch-$(CONFIG_MODULES) += ../kernel/module.o
USER_OBJS := bugs_$(BITS).o ptrace_user.o fault.o
-extra-y += user-offsets.s
$(obj)/user-offsets.s: c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) \
-Iarch/x86/include/generated
+include/generated/user_constants.h: $(obj)/user-offsets.s
+ $(call filechk,offsets,__USER_CONSTANT_H__)
+
UNPROFILE_OBJS := stub_segv.o
CFLAGS_stub_segv.o := $(CFLAGS_NO_HARDENING)