diff options
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | init/Kconfig | 10 | ||||
| -rw-r--r-- | usr/.gitignore | 1 | ||||
| -rw-r--r-- | usr/Makefile | 2 | ||||
| -rw-r--r-- | usr/include/.gitignore | 3 | ||||
| -rw-r--r-- | usr/include/Makefile | 132 |
6 files changed, 148 insertions, 2 deletions
@@ -1378,7 +1378,7 @@ CLEAN_DIRS += $(MODVERDIR) include/ksym CLEAN_FILES += modules.builtin.modinfo # Directories & files removed with 'make mrproper' -MRPROPER_DIRS += include/config usr/include include/generated \ +MRPROPER_DIRS += include/config include/generated \ arch/$(SRCARCH)/include/generated .tmp_objdiff MRPROPER_FILES += .config .config.old .version \ Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ diff --git a/init/Kconfig b/init/Kconfig index 2e9813daa2c1..74192de8ada6 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -108,6 +108,16 @@ config HEADER_TEST If you are a developer or tester and want to ensure the requested headers are self-contained, say Y here. Otherwise, choose N. +config UAPI_HEADER_TEST + bool "Compile test UAPI headers" + depends on HEADER_TEST && HEADERS_INSTALL && CC_CAN_LINK + help + Compile test headers exported to user-space to ensure they are + self-contained, i.e. compilable as standalone units. + + If you are a developer or tester and want to ensure the exported + headers are self-contained, say Y here. Otherwise, choose N. + config LOCALVERSION string "Local version - append to kernel release" help diff --git a/usr/.gitignore b/usr/.gitignore index 8e48117a3f3d..be5eae1df7eb 100644 --- a/usr/.gitignore +++ b/usr/.gitignore @@ -7,4 +7,3 @@ initramfs_data.cpio.gz initramfs_data.cpio.bz2 initramfs_data.cpio.lzma initramfs_list -include diff --git a/usr/Makefile b/usr/Makefile index 4a70ae43c9cb..6a89eb019275 100644 --- a/usr/Makefile +++ b/usr/Makefile @@ -56,3 +56,5 @@ $(deps_initramfs): klibcdirs $(obj)/$(datafile_y): $(obj)/gen_init_cpio $(deps_initramfs) klibcdirs $(Q)$(initramfs) -l $(ramfs-input) > $(obj)/$(datafile_d_y) $(call if_changed,initfs) + +subdir-$(CONFIG_UAPI_HEADER_TEST) += include diff --git a/usr/include/.gitignore b/usr/include/.gitignore new file mode 100644 index 000000000000..a0991ff4402b --- /dev/null +++ b/usr/include/.gitignore @@ -0,0 +1,3 @@ +* +!.gitignore +!Makefile diff --git a/usr/include/Makefile b/usr/include/Makefile new file mode 100644 index 000000000000..cd8daa20d487 --- /dev/null +++ b/usr/include/Makefile @@ -0,0 +1,132 @@ +# SPDX-License-Identifier: GPL-2.0-only + +# Unlike the kernel space, exported headers are written in standard C. +# - Forbid C++ style comments +# - Use '__inline__', '__asm__' instead of 'inline', 'asm' +# +# -std=c90 (equivalent to -ansi) catches the violation of those. +# We cannot go as far as adding -Wpedantic since it emits too many warnings. +UAPI_CFLAGS := -std=c90 -Wall -Werror=implicit-function-declaration + +override c_flags = $(UAPI_CFLAGS) -Wp,-MD,$(depfile) -I$(objtree)/usr/include + +# The following are excluded for now because they fail to build. +# +# Do not add a new header to the blacklist without legitimate reason. +# Please consider to fix the header first. +# +# Sorted alphabetically. +header-test- += asm/ipcbuf.h +header-test- += asm/msgbuf.h +header-test- += asm/sembuf.h +header-test- += asm/shmbuf.h +header-test- += asm/signal.h +header-test- += asm/ucontext.h +header-test- += drm/vmwgfx_drm.h +header-test- += linux/am437x-vpfe.h +header-test- += linux/android/binder.h +header-test- += linux/android/binderfs.h +header-test-$(CONFIG_CPU_BIG_ENDIAN) += linux/byteorder/big_endian.h +header-test-$(CONFIG_CPU_LITTLE_ENDIAN) += linux/byteorder/little_endian.h +header-test- += linux/coda.h +header-test- += linux/coda_psdev.h +header-test- += linux/dvb/audio.h +header-test- += linux/dvb/osd.h +header-test- += linux/elfcore.h +header-test- += linux/errqueue.h +header-test- += linux/fsmap.h +header-test- += linux/hdlc/ioctl.h +header-test- += linux/ivtv.h +header-test- += linux/jffs2.h +header-test- += linux/kexec.h +header-test- += linux/matroxfb.h +header-test- += linux/netfilter_bridge/ebtables.h +header-test- += linux/netfilter_ipv4/ipt_LOG.h +header-test- += linux/netfilter_ipv6/ip6t_LOG.h +header-test- += linux/nfc.h +header-test- += linux/nilfs2_ondisk.h +header-test- += linux/omap3isp.h +header-test- += linux/omapfb.h +header-test- += linux/patchkey.h +header-test- += linux/phonet.h +header-test- += linux/reiserfs_xattr.h +header-test- += linux/scc.h +header-test- += linux/sctp.h +header-test- += linux/signal.h +header-test- += linux/sysctl.h +header-test- += linux/usb/audio.h +header-test- += linux/v4l2-mediabus.h +header-test- += linux/v4l2-subdev.h +header-test- += linux/videodev2.h +header-test- += linux/vm_sockets.h +header-test- += misc/ocxl.h +header-test- += mtd/mtd-abi.h +header-test- += mtd/mtd-user.h +header-test- += scsi/scsi_bsg_fc.h +header-test- += scsi/scsi_netlink.h +header-test- += scsi/scsi_netlink_fc.h +header-test- += sound/asequencer.h +header-test- += sound/asoc.h +header-test- += sound/asound.h +header-test- += sound/compress_offload.h +header-test- += sound/emu10k1.h +header-test- += sound/sfnt_info.h +header-test- += sound/sof/eq.h +header-test- += sound/sof/fw.h +header-test- += sound/sof/header.h +header-test- += sound/sof/manifest.h +header-test- += sound/sof/trace.h +header-test- += xen/evtchn.h +header-test- += xen/gntdev.h +header-test- += xen/privcmd.h + +# More headers are broken in some architectures + +ifeq ($(SRCARCH),arc) +header-test- += linux/bpf_perf_event.h +endif + +ifeq ($(SRCARCH),ia64) +header-test- += asm/setup.h +header-test- += asm/sigcontext.h +header-test- += asm/perfmon.h +header-test- += asm/perfmon_default_smpl.h +header-test- += linux/if_bonding.h +endif + +ifeq ($(SRCARCH),mips) +header-test- += asm/stat.h +endif + +ifeq ($(SRCARCH),powerpc) +header-test- += asm/stat.h +header-test- += linux/bpf_perf_event.h +endif + +ifeq ($(SRCARCH),riscv) +header-test- += linux/bpf_perf_event.h +endif + +ifeq ($(SRCARCH),s390) +header-test- += asm/runtime_instr.h +header-test- += asm/zcrypt.h +endif + +ifeq ($(SRCARCH),sparc) +header-test- += asm/stat.h +header-test- += asm/uctx.h +header-test- += asm/fbio.h +header-test- += asm/openpromio.h +endif + +# asm-generic/*.h is used by asm/*.h, and should not be included directly +header-test- += asm-generic/% + +# The rest are compile-tested +header-test-y += $(filter-out $(header-test-), \ + $(patsubst $(obj)/%,%, $(wildcard \ + $(addprefix $(obj)/, *.h */*.h */*/*.h */*/*/*.h)))) + +# For GNU Make <= 4.2.1, $(wildcard $(obj)/*/) matches to not only directories +# but also regular files. Use $(filter %/, ...) just in case. +clean-dirs += $(patsubst $(obj)/%/,%,$(filter %/, $(wildcard $(obj)/*/))) |