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| author | Masahiro Yamada <masahiroy@kernel.org> | 2020-06-23 12:07:01 +0900 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-06-23 12:18:04 +0200 |
| commit | cca129e716fef156831ee26a624d2d0a0550ba8c (patch) | |
| tree | f305ae175806abd30065b1f7284ec9614169db9f /Makefile | |
| parent | bc4840e98b94e4e78f76b761293d965edcfb094d (diff) | |
| download | barebox-cca129e716fef156831ee26a624d2d0a0550ba8c.tar.gz barebox-cca129e716fef156831ee26a624d2d0a0550ba8c.tar.xz | |
kbuild: add infrastructure to build userspace programs
Import Linux commit 7f3a59db274c3e3d884c785e363a054110f1c266
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 13 |
1 files changed, 10 insertions, 3 deletions
@@ -363,9 +363,12 @@ HOST_LFS_LIBS := $(shell getconf LFS_LIBS 2>/dev/null) HOSTCC = gcc HOSTCXX = g++ -KBUILD_HOSTCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 \ - -fomit-frame-pointer -std=gnu89 $(HOST_LFS_CFLAGS) \ - $(HOSTCFLAGS) + +export KBUILD_USERCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes \ + -O2 -fomit-frame-pointer -std=gnu89 +export KBUILD_USERLDFLAGS := + +KBUILD_HOSTCFLAGS := $(KBUILD_USERCFLAGS) $(HOST_LFS_CFLAGS) $(HOSTCFLAGS) KBUILD_HOSTCXXFLAGS := -Wall -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS) KBUILD_HOSTLDFLAGS := $(HOST_LFS_LDFLAGS) $(HOSTLDFLAGS) KBUILD_HOSTLDLIBS := $(HOST_LFS_LIBS) $(HOSTLDLIBS) @@ -609,6 +612,10 @@ KBUILD_CFLAGS += $(call cc-option, -fno-delete-null-pointer-checks,) KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) +# Align the bit size of userspace programs with the kernel +KBUILD_USERCFLAGS += $(filter -m32 -m64, $(KBUILD_CFLAGS)) +KBUILD_USERLDFLAGS += $(filter -m32 -m64, $(KBUILD_CFLAGS)) + # arch Makefile may override CC so keep this after arch Makefile is included NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) CHECKFLAGS += $(NOSTDINC_FLAGS) |