git: 0006530aa14b - main - include: Remove symlink installation

Konstantin Belousov kostikbel at gmail.com
Tue Mar 16 06:52:22 UTC 2021


On Tue, Mar 16, 2021 at 06:13:21AM +0000, Emmanuel Vadot wrote:
> The branch main has been updated by manu:
> 
> URL: https://cgit.FreeBSD.org/src/commit/?id=0006530aa14b9df56f88df7d819fae89b115d865
> 
> commit 0006530aa14b9df56f88df7d819fae89b115d865
> Author:     Emmanuel Vadot <manu at FreeBSD.org>
> AuthorDate: 2021-03-16 06:12:53 +0000
> Commit:     Emmanuel Vadot <manu at FreeBSD.org>
> CommitDate: 2021-03-16 06:12:53 +0000
> 
>     include: Remove symlink installation
>     
>     headers could be installed as symlink to the source tree instead of copies.
>     Remove the possibility to do that.
>     This make the makefile easier to read and to maintain and also don't duplicate
>     code.
>     
>     While here remove some directories from LSBUDIRS as we already install them using
>     the INCS stuff.

This might make Makefiles easier to read, but also it makes practically
very hard to develop rtld/libc/libthr. After any system header
modification, full buildworld or at least kernel-toolchain run is
required to get buildenv populated with the new headers.

>     
>     Reviewed by:    bapt
>     Differential Revision:  https://reviews.freebsd.org/D29167
>     MFC after:      2 weeks
> ---
>  include/Makefile | 117 +++++--------------------------------------------------
>  1 file changed, 9 insertions(+), 108 deletions(-)
> 
> diff --git a/include/Makefile b/include/Makefile
> index d47879e11c93..e0df8571ae73 100644
> --- a/include/Makefile
> +++ b/include/Makefile
> @@ -41,11 +41,11 @@ LHDRS=	aio.h errno.h fcntl.h linker_set.h poll.h stdatomic.h stdint.h \
>  LDIRS=	geom net net80211 netgraph netinet netinet6 \
>  	netipsec netsmb nfs nfsclient nfsserver sys vm
>  
> -LSUBDIRS=	dev/acpica dev/agp dev/an dev/ciss dev/filemon dev/firewire \
> -	dev/hwpmc dev/hyperv \
> -	dev/ic dev/iicbus dev/if_wg dev/io dev/mfi dev/mmc dev/nvme \
> -	dev/ofw dev/pbio dev/pci ${_dev_powermac_nvram} dev/ppbus dev/pwm \
> -	dev/smbus dev/speaker dev/tcp_log dev/veriexec dev/vkbd \
> +LSUBDIRS=	dev/an dev/ciss dev/filemon dev/firewire \
> +	dev/hwpmc \
> +	dev/ic dev/iicbus if_wg dev/io dev/mfi dev/mmc dev/nvme \
> +	dev/ofw dev/pbio ${_dev_powermac_nvram} dev/ppbus dev/pwm \
> +	dev/smbus dev/speaker dev/tcp_log dev/vkbd \
>  	fs/devfs fs/fdescfs fs/msdosfs fs/nfs fs/nullfs \
>  	fs/procfs fs/smbfs fs/udf fs/unionfs \
>  	geom/cache geom/concat geom/eli geom/gate geom/journal geom/label \
> @@ -295,13 +295,6 @@ LSUBDIRS+=	dev/usb
>  _dev_powermac_nvram=	dev/powermac_nvram
>  .endif
>  
> -# Define SHARED to indicate whether you want symbolic links to the system
> -# source (``symlinks''), or a separate copy (``copies'').  ``symlinks'' is
> -# probably only useful for developers and should be avoided if you do not
> -# wish to tie your /usr/include and /usr/src together.
> -#SHARED=	symlinks
> -SHARED?=	copies
> -
>  INCS+=	osreldate.h
>  
>  SYSDIR=			${SRCTOP}/sys
> @@ -332,25 +325,23 @@ _MARCHS=	${MACHINE_CPUARCH}
>  _MARCHS+=	x86
>  .endif
>  
> -META_TARGETS+=	compat
> -stage_includes: ${SHARED}
> +stage_includes: _installincludes
>  SDESTDIR=	${SYSROOT:U${DESTDIR}}
>  
> +_installincludes:
>  # Take care of stale directory-level symlinks.
>  # Note: The "|| true" after find is needed in case one of the directories does
>  # not exist (yet).
> -compat:
>  	cd ${SDESTDIR}${INCLUDEDIR}; find ${LDIRS} ${LSUBDIRS} machine ${_MARCHS} \
>  	    crypto -maxdepth 0 -mindepth 0 -type l -print -delete || true
>  	mtree -deU ${NO_ROOT:D-W} ${MTREE_FOLLOWS_SYMLINKS} \
>  	    -f ${SRCTOP}/etc/mtree/BSD.include.dist \
>  	    -p ${SDESTDIR}${INCLUDEDIR} > /dev/null
>  
> -copies: .PHONY .META
>  	cd ${SDESTDIR}${INCLUDEDIR}; find ${LDIRS} ${LSUBDIRS} ${LSUBSUBDIRS} crypto \
>  	    machine machine/pc ${_MARCHS} -maxdepth 1 -mindepth 1 -type l \
>  	    -name "*.h" -print -delete || true
> -.for i in ${LDIRS} ${LSUBDIRS:Ndev/agp:Ndev/acpica:Ndev/evdev:Ndev/hid:Ndev/hyperv:Ndev/pci:Ndev/veriexec} ${LSUBSUBDIRS}
> +.for i in ${LDIRS} ${LSUBDIRS} ${LSUBSUBDIRS}
>  	cd ${SRCTOP}/sys; \
>  	${INSTALL} -C ${TAG_ARGS} -o ${BINOWN} -g ${BINGRP} -m 444 $i/*.h \
>  	    ${SDESTDIR}${INCLUDEDIR}/$i
> @@ -380,99 +371,9 @@ copies: .PHONY .META
>  .endif
>  .endfor
>  
> -symlinks: .PHONY .META
> -	@${ECHO} "Setting up symlinks to kernel source tree..."
> -.for i in ${LDIRS}
> -	cd ${SRCTOP}; ${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../%s ' sys/$i/*.h) ${SDESTDIR}${INCLUDEDIR}/$i
> -.endfor
> -.for i in ${LSUBDIRS:Ndev/agp:Ndev/acpica:Ndev/evdev:Ndev/hid:Ndev/hyperv:Ndev/pci:Ndev/veriexec}
> -	cd ${SRCTOP}; ${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../../%s ' sys/$i/*.h) ${SDESTDIR}${INCLUDEDIR}/$i
> -.endfor
> -	${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../../sys/dev/acpica/%s ' acpiio.h acpi_hpet.h) \
> -	    ${SDESTDIR}${INCLUDEDIR}/dev/acpica; \
> -	${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} ../../../../sys/dev/agp/agpreg.h \
> -	    ${SDESTDIR}${INCLUDEDIR}/dev/agp; \
> -	${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../../sys/dev/evdev/%s ' input.h input-event-codes.h uinput.h) \
> -	    ${SDESTDIR}${INCLUDEDIR}/dev/evdev;
> -	${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../../sys/dev/hid/%s ' hid.h hidraw.h) \
> -	    ${SDESTDIR}${INCLUDEDIR}/dev/hid; \
> -	${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} ../../../../sys/dev/hyperv/include/hyperv.h \
> -	    ${SDESTDIR}${INCLUDEDIR}/dev/hyperv; \
> -	${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} ../../../../sys/dev/hyperv/utilities/hv_snapshot.h \
> -	    ${SDESTDIR}${INCLUDEDIR}/dev/hyperv; \
> -	${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} ../../../../sys/dev/pci/pcireg.h \
> -	    ${SDESTDIR}${INCLUDEDIR}/dev/pci; \
> -	${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} ../../../../sys/dev/veriexec/veriexec_ioctl.h \
> -	    ${SDESTDIR}${INCLUDEDIR}/dev/veriexec;
> -.for i in ${LSUBSUBDIRS}
> -	cd ${SRCTOP}; ${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../../../%s ' sys/$i/*.h) ${SDESTDIR}${INCLUDEDIR}/$i
> -.endfor
> -.if ${MK_IPFILTER} != "no"
> -	cd ${SRCTOP}; ${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../%s ' sys/contrib/ipfilter/netinet/*.h) \
> -	    ${SDESTDIR}${INCLUDEDIR}/netinet;
> -.endif
> -.if ${MK_PF} != "no"
> -	cd ${SRCTOP}; ${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../../%s ' sys/netpfil/pf/*.h) \
> -	    ${SDESTDIR}${INCLUDEDIR}/netpfil/pf;
> -.endif
> -	${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} ../../../sys/crypto/rijndael/rijndael.h \
> -	    ${SDESTDIR}${INCLUDEDIR}/crypto; \
> -	cd ${SRCTOP}; ${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../%s ' sys/opencrypto/*.h) \
> -	    ${SDESTDIR}${INCLUDEDIR}/crypto; \
> -	cd ${SRCTOP}; ${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../%s ' sys/${MACHINE}/include/*.h) \
> -	    ${SDESTDIR}${INCLUDEDIR}/machine;
> -.if exists(${SRCTOP}/sys/${MACHINE}/include/pc)
> -	cd ${SRCTOP}; ${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../../%s ' sys/${MACHINE}/include/pc/*.h) \
> -	    ${SDESTDIR}${INCLUDEDIR}/machine/pc;
> -.endif
> -.for _MARCH in ${_MARCHS}
> -.if exists(${SRCTOP}/sys/${_MARCH}/include)
> -	${INSTALL} -d ${TAG_ARGS:D${TAG_ARGS},dev} -o ${BINOWN} -g ${BINGRP} -m 755 \
> -	    ${SDESTDIR}${INCLUDEDIR}/${_MARCH}; \
> -	cd ${SRCTOP}; ${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../%s ' sys/${_MARCH}/include/*.h) \
> -	    ${SDESTDIR}${INCLUDEDIR}/${_MARCH};
> -.if exists(${SRCTOP}/sys/${_MARCH}/include/pc)
> -	${INSTALL} -d ${TAG_ARGS:D${TAG_ARGS},dev} -o ${BINOWN} -g ${BINGRP} -m 755 \
> -	    ${SDESTDIR}${INCLUDEDIR}/${_MARCH}/pc; \
> -	cd ${SRCTOP}; ${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../../%s ' sys/${_MARCH}/include/pc/*.h) \
> -	    ${SDESTDIR}${INCLUDEDIR}/${_MARCH}/pc;
> -.endif
> -.endif
> -.endfor
> -	cd ${SRCTOP}; ${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../../%s ' sys/fs/cd9660/*.h) \
> -	    ${SDESTDIR}${INCLUDEDIR}/isofs/cd9660; \
> -	cd ${SRCTOP}; ${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    $$(printf '../../../sys/rpc/%s ' rpcsec_tls.h types.h) \
> -	    ${SDESTDIR}${INCLUDEDIR}/rpc;
> -	cd ${SRCTOP}/sys/rpc;
> -.if ${MK_CDDL} != "no"
> -	${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} \
> -	    ../../../sys/contrib/openzfs/include/sys/nvpair.h \
> -	    ${SDESTDIR}${INCLUDEDIR}/sys
> -.endif
> -.if ${MK_MLX5TOOL} != "no"
> -	${INSTALL_SYMLINK} ${TAG_ARGS:D${TAG_ARGS},dev} ../../../../sys/dev/mlx5/mlx5io.h \
> -	    ${SDESTDIR}${INCLUDEDIR}/dev/mlx5
> -.endif
> -
>  .include <bsd.prog.mk>
>  
> -installincludes: ${SHARED}
> -${SHARED}: compat
> +installincludes: _installincludes
>  
>  .if ${MACHINE} == "host" && !defined(_SKIP_BUILD)
>  # we're here because we are building a sysroot...


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