Bug#602770: build kFreeBSD on GNU/Linux
Package: kfreebsd-8
Severity: wishlist
Tags: patch
This patch makes it possible to build kFreeBSD on GNU/Linux. A fix in
freebsd-buildutils, and a port of libsbuf-dev is also required.
I've tested the resulting binary and it works perfectly.
-- System Information:
Debian Release: squeeze/sid
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-amd64 (SMP w/2 CPU cores)
Locale: LANG=ca_AD.UTF-8, LC_CTYPE=ca_AD.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
diff -x '*~' -x patches -x control -Nur kfreebsd-8-8.1/debian/control.flavor.in kfreebsd-8-8.1.new/debian/control.flavor.in
--- kfreebsd-8-8.1/debian/control.flavor.in 2010-11-07 21:56:17.000000000 +0100
+++ kfreebsd-8-8.1.new/debian/control.flavor.in 2010-11-07 15:29:24.000000000 +0100
@@ -1,5 +1,5 @@
Package: kfreebsd-image-@version@-@abiname@-@flavor@
-Architecture: kfreebsd-@arch@
+Architecture: any-@arch@
Depends: freebsd-utils (>= 5), kldutils (>= 7.1), ${misc:Depends}
Conflicts: kfreebsd-loader (<< 5.4-1.3)
Provides: kfreebsd-image-@major@, kfreebsd-image
@@ -11,14 +11,14 @@
This package is compiled for a @flavor@-class machine.
Package: kfreebsd-image-@major@-@flavor@
-Architecture: kfreebsd-@arch@
+Architecture: any-@arch@
Depends: kfreebsd-image-@version@-@abiname@-@flavor@, ${misc:Depends}
Description: kernel of FreeBSD @major@ image
This package depends on the latest binary image for kernel of FreeBSD @major@ on
@flavor@-class machines.
Package: kfreebsd-headers-@version@-@abiname@-@flavor@
-Architecture: kfreebsd-@arch@
+Architecture: any-@arch@
Provides: kfreebsd-headers-@major@
Depends: kfreebsd-headers-@version@-@abiname@ (= ${binary:Version}), ${misc:Depends}
Description: header files for kernel of FreeBSD @version@
@@ -29,7 +29,7 @@
kfreebsd-image-@version@-@abiname@-@flavor@ package.
Package: kfreebsd-headers-@major@-@flavor@
-Architecture: kfreebsd-@arch@
+Architecture: any-@arch@
Depends: kfreebsd-headers-@version@-@abiname@-@flavor@, ${misc:Depends}
Description: header files for kernel of FreeBSD @major@
This package depends on the latest header files for kernel of FreeBSD @major@ on
diff -x '*~' -x patches -x control -Nur kfreebsd-8-8.1/debian/control.in kfreebsd-8-8.1.new/debian/control.in
--- kfreebsd-8-8.1/debian/control.in 2010-11-07 21:56:17.000000000 +0100
+++ kfreebsd-8-8.1.new/debian/control.in 2010-11-07 18:52:52.000000000 +0100
@@ -6,8 +6,8 @@
Vcs-Browser: http://svn.debian.org/wsvn/glibc-bsd/trunk/kfreebsd-@major@/
Vcs-Svn: svn://svn.debian.org/glibc-bsd/trunk/kfreebsd-@major@/
Build-Depends: debhelper (>= 5.0.0), bzip2, quilt, sharutils, flex-old | flex,
- freebsd-buildutils (>= 7) [kfreebsd-any], gcc-4.3 [kfreebsd-any], libdb-dev,
- libbsd-dev [kfreebsd-any], libsbuf-dev [kfreebsd-any]
+ freebsd-buildutils (>= 7), gcc-4.3, libdb-dev,
+ libbsd-dev, libsbuf-dev
Standards-Version: 3.9.1
Package: kfreebsd-source-@version@
@@ -20,7 +20,7 @@
a GNU/kFreeBSD system.
Package: kfreebsd-headers-@version@-@abiname@
-Architecture: kfreebsd-any
+Architecture: any
Depends: ${misc:Depends}
Description: Common architecture-specific header files for kernel of FreeBSD @version@
This package provides the architecture-specific common kernel header files for
diff -x '*~' -x patches -x control -Nur kfreebsd-8-8.1/debian/rules kfreebsd-8-8.1.new/debian/rules
--- kfreebsd-8-8.1/debian/rules 2010-11-07 21:56:17.000000000 +0100
+++ kfreebsd-8-8.1.new/debian/rules 2010-11-07 21:59:30.000000000 +0100
@@ -12,12 +12,12 @@
version := $(shell echo $(full_version) | sed -e 's/[~+-].*//g')
major := $(shell echo $(version) | sed -e 's/\..*//g')
revision := $(shell echo $(full_version) | sed -e 's/^[^+-]*//g')
-os := $(shell dpkg-architecture -qDEB_HOST_ARCH_OS)
cpu := $(shell dpkg-architecture -qDEB_HOST_ARCH_CPU)
config_files := $(wildcard debian/arch/$(cpu)/*.config)
flavours := $(config_files:debian/arch/$(cpu)/%.config=%)
configfile := DEBCUSTOM
abiname := 1
+ld_target := $(shell ld --help | sed -ne "s/^ld: supported targets: \([^ ]*\) .*/\1/p")
SVN := http://svn.freebsd.org/base/release/$(version).0
#SVN := http://svn.freebsd.org/base/stable/8
@@ -74,11 +75,14 @@
mkdir $(CURDIR)/src
cp -af $(CURDIR)/sys $(CURDIR)/usr.sbin $(CURDIR)/src
- set -e ; find src -type f | (while read i ; do \
+ set -e ; find src/sys -type f | (while read i ; do \
sed -i $$i \
- -e 's/defined\( \|\t\)*(\( \|\t\)*__FreeBSD__\( \|\t\)*)/defined(__FreeBSD_kernel__)/g' \
- -e 's/#\( \|\t\)*ifdef\( \|\t\)*__FreeBSD__/#ifdef __FreeBSD_kernel__/g' \
- -e 's/#\( \|\t\)*ifndef\( \|\t\)*__FreeBSD__/#ifndef __FreeBSD_kernel__/g' \
+ -e 's/defined\( \|\t\)*(\( \|\t\)*__FreeBSD__\( \|\t\)*)/1/g' \
+ -e 's/#\( \|\t\)*ifdef\( \|\t\)*__FreeBSD__/#if 1/g' \
+ -e 's/#\( \|\t\)*ifndef\( \|\t\)*__FreeBSD__/#if 0/g' \
+ -e 's/defined\( \|\t\)*(\( \|\t\)*\(__linux__\|linux\)\( \|\t\)*)/0/g' \
+ -e 's/#\( \|\t\)*ifdef\( \|\t\)*\(__linux__\|linux\)/#if 0/g' \
+ -e 's/#\( \|\t\)*ifndef\( \|\t\)*\(__linux__\|linux\)/#if 1/g' \
-e 's/__FreeBSD__/$(major)/g' \
-e 's,#\( \|\t\)*include\( \|\t\)*<sys/device.h>,,g' \
-e 's,#\( \|\t\)*include\( \|\t\)*<dev/rndvar.h>,,g' \
@@ -100,11 +104,7 @@
touch build-indep-stamp
-ifeq ($(os), kfreebsd)
build: build-arch build-indep
-else
-build: build-indep
-endif
install-indep: install-indep-stamp
install-indep-stamp: build-indep
@@ -119,14 +119,17 @@
touch install-indep-stamp
-config: src
+config: config-stamp
+config-stamp: src
cp -af src/usr.sbin/config config
- $(MAKE) -C config
+ CFLAGS="-D__va_list=__builtin_va_list" $(MAKE) -C config
+ touch $@
build-arch: $(foreach flavor,$(flavours),build-flavor-$(flavor)-stamp)
-build-flavor-%-stamp: src config
+src-flavor-%-stamp: src config
cp -af src $(FLAVOR_DIR)-$*
-
+ touch $@
+build-flavor-%-stamp: src-flavor-%-stamp
# Add the abiname and the flavor to the kernel version
sed -i -e 's/^RELEASE=".*"/RELEASE="$(version)-$(abiname)-$*"/g' $(FLAVOR_DIR)-$*/sys/conf/newvers.sh
@@ -137,6 +140,14 @@
sed -i -e 's,^KODIR?=.*,KODIR="/lib/modules/$(version)-$(abiname)-$*",g' $(FLAVOR_DIR)-$*/sys/conf/kern.pre.mk
sed -i -e '/^static char linker_path/s,".*","/lib/modules/$(version)-$(abiname)-$*",g' $(FLAVOR_DIR)-$*/sys/kern/kern_linker.c
+ # Always set explicit link target to match with ld's implicit target (needed
+ # to build on non-kFreeBSD)
+ifeq ($(cpu), amd64)
+ sed -i -e 's/elf64-x86-64-freebsd/$(ld_target)/g' $(FLAVOR_DIR)-$*/sys/conf/ldscript.amd64
+else ifeq ($(cpu), i386)
+ sed -i -e 's/elf32-i386-freebsd/$(ld_target)/g' $(FLAVOR_DIR)-$*/sys/conf/ldscript.i386
+endif
+
# Configure the kernel
cp debian/arch/$(cpu)/$*.config $(FLAVOR_DIR)-$*/sys/$(cpu)/conf/
cat $(FLAVOR_DIR)-$*/sys/$(cpu)/conf/GENERIC >> $(FLAVOR_DIR)-$*/sys/$(cpu)/conf/$*.config
@@ -253,7 +264,6 @@
dh_builddeb -i
# Build architecture-dependent files here.
-ifeq ($(os), kfreebsd)
binary-arch: build-arch install-arch
dh_testdir
dh_testroot
@@ -269,10 +279,6 @@
dh_gencontrol -s
dh_md5sums -s
dh_builddeb -s
-else
-binary-arch:
- # We have nothing to do
-endif
binary: binary-indep binary-arch
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