206 changes: 206 additions & 0 deletions contrib/guix/libexec/build.sh
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#!/usr/bin/env bash
export LC_ALL=C
set -e -o pipefail

# Check that environment variables assumed to be set by the environment are set
echo "Building for platform triple ${HOST:?not set} with reference timestamp ${SOURCE_DATE_EPOCH:?not set}..."
echo "At most ${MAX_JOBS:?not set} jobs will run at once..."

#####################
# Environment Setup #
#####################

# The depends folder also serves as a base-prefix for depends packages for
# $HOSTs after successfully building.
BASEPREFIX="${PWD}/depends"

# Setup an output directory for our build
OUTDIR="${OUTDIR:-${PWD}/output}"
[ -e "$OUTDIR" ] || mkdir -p "$OUTDIR"

# Setup the directory where our Bitcoin Core build for HOST will occur
DISTSRC="${DISTSRC:-${PWD}/distsrc-${HOST}}"
if [ -e "$DISTSRC" ]; then
echo "DISTSRC directory '${DISTSRC}' exists, probably because of previous builds... Aborting..."
exit 1
else
mkdir -p "$DISTSRC"
fi

# Given a package name and an output name, return the path of that output in our
# current guix environment
store_path() {
grep --extended-regexp "/[^-]{32}-${1}-cross-${HOST}-[^-]+${2:+-${2}}" "${GUIX_ENVIRONMENT}/manifest" \
| head --lines=1 \
| sed --expression='s|^[[:space:]]*"||' \
--expression='s|"[[:space:]]*$||'
}

# Determine output paths to use in CROSS_* environment variables
CROSS_GLIBC="$(store_path glibc)"
CROSS_GLIBC_STATIC="$(store_path glibc static)"
CROSS_KERNEL="$(store_path linux-libre-headers)"
CROSS_GCC="$(store_path gcc)"

# Set environment variables to point Guix's cross-toolchain to the right
# includes/libs for $HOST
export CROSS_C_INCLUDE_PATH="${CROSS_GCC}/include:${CROSS_GLIBC}/include:${CROSS_KERNEL}/include"
export CROSS_CPLUS_INCLUDE_PATH="${CROSS_GCC}/include/c++:${CROSS_GLIBC}/include:${CROSS_KERNEL}/include"
export CROSS_LIBRARY_PATH="${CROSS_GLIBC}/lib:${CROSS_GLIBC_STATIC}/lib:${CROSS_GCC}/lib:${CROSS_GCC}/${HOST}/lib:${CROSS_KERNEL}/lib"

# Disable Guix ld auto-rpath behavior
export GUIX_LD_WRAPPER_DISABLE_RPATH=yes

# Make /usr/bin if it doesn't exist
[ -e /usr/bin ] || mkdir -p /usr/bin

# Symlink file and env to a conventional path
[ -e /usr/bin/file ] || ln -s --no-dereference "$(command -v file)" /usr/bin/file
[ -e /usr/bin/env ] || ln -s --no-dereference "$(command -v env)" /usr/bin/env

# Determine the correct value for -Wl,--dynamic-linker for the current $HOST
glibc_dynamic_linker=$(
case "$HOST" in
i686-linux-gnu) echo /lib/ld-linux.so.2 ;;
x86_64-linux-gnu) echo /lib64/ld-linux-x86-64.so.2 ;;
arm-linux-gnueabihf) echo /lib/ld-linux-armhf.so.3 ;;
aarch64-linux-gnu) echo /lib/ld-linux-aarch64.so.1 ;;
riscv64-linux-gnu) echo /lib/ld-linux-riscv64-lp64d.so.1 ;;
*) exit 1 ;;
esac
)

# Environment variables for determinism
export QT_RCC_TEST=1
export QT_RCC_SOURCE_DATE_OVERRIDE=1
export TAR_OPTIONS="--owner=0 --group=0 --numeric-owner --mtime='@${SOURCE_DATE_EPOCH}' --sort=name"
export TZ="UTC"

####################
# Depends Building #
####################

# Build the depends tree, overriding variables that assume multilib gcc
make -C depends --jobs="$MAX_JOBS" HOST="$HOST" \
${V:+V=1} \
${SOURCES_PATH+SOURCES_PATH="$SOURCES_PATH"} \
i686_linux_CC=i686-linux-gnu-gcc \
i686_linux_CXX=i686-linux-gnu-g++ \
i686_linux_AR=i686-linux-gnu-ar \
i686_linux_RANLIB=i686-linux-gnu-ranlib \
i686_linux_NM=i686-linux-gnu-nm \
i686_linux_STRIP=i686-linux-gnu-strip \
x86_64_linux_CC=x86_64-linux-gnu-gcc \
x86_64_linux_CXX=x86_64-linux-gnu-g++ \
x86_64_linux_AR=x86_64-linux-gnu-ar \
x86_64_linux_RANLIB=x86_64-linux-gnu-ranlib \
x86_64_linux_NM=x86_64-linux-gnu-nm \
x86_64_linux_STRIP=x86_64-linux-gnu-strip \
qt_config_opts_i686_linux='-platform linux-g++ -xplatform bitcoin-linux-g++'


###########################
# Source Tarball Building #
###########################

# Create the source tarball and move it to "${OUTDIR}/src" if not already there
if [ -z "$(find "${OUTDIR}/src" -name 'bitcoin-*.tar.gz')" ]; then
./autogen.sh
env CONFIG_SITE="${BASEPREFIX}/${HOST}/share/config.site" ./configure --prefix=/
make dist GZIP_ENV='-9n' ${V:+V=1}
mkdir -p "${OUTDIR}/src"
mv "$(find "${PWD}" -name 'bitcoin-*.tar.gz')" "${OUTDIR}/src/"
fi

# Determine the full path to our source tarball
SOURCEDIST="$(find "${OUTDIR}/src" -name 'bitcoin-*.tar.gz')"
# Determine our distribution name (e.g. bitcoin-0.18.0)
DISTNAME="$(basename "$SOURCEDIST" '.tar.gz')"

###########################
# Binary Tarball Building #
###########################

# Create a spec file to normalize ssp linking behaviour
spec_file="$(mktemp)"
cat << EOF > "$spec_file"
*link_ssp:
%{fstack-protector|fstack-protector-all|fstack-protector-strong|fstack-protector-explicit:}
EOF

# Similar flags to Gitian
CONFIGFLAGS="--enable-glibc-back-compat --enable-reduce-exports --disable-bench --disable-gui-tests"
HOST_CFLAGS="-O2 -g -specs=${spec_file} -ffile-prefix-map=${PWD}=."
HOST_CXXFLAGS="-O2 -g -specs=${spec_file} -ffile-prefix-map=${PWD}=."
HOST_LDFLAGS="-Wl,--as-needed -Wl,--dynamic-linker=$glibc_dynamic_linker -static-libstdc++"

# Make $HOST-specific native binaries from depends available in $PATH
export PATH="${BASEPREFIX}/${HOST}/native/bin:${PATH}"
(
cd "$DISTSRC"

# Extract the source tarball
tar --strip-components=1 -xf "${SOURCEDIST}"

# Configure this DISTSRC for $HOST
# shellcheck disable=SC2086
env CONFIG_SITE="${BASEPREFIX}/${HOST}/share/config.site" \
./configure --prefix=/ \
--disable-ccache \
--disable-maintainer-mode \
--disable-dependency-tracking \
${CONFIGFLAGS} \
CFLAGS="${HOST_CFLAGS}" \
CXXFLAGS="${HOST_CXXFLAGS}" \
LDFLAGS="${HOST_LDFLAGS}"

sed -i.old 's/-lstdc++ //g' config.status libtool src/univalue/config.status src/univalue/libtool

# Build Bitcoin Core
make --jobs="$MAX_JOBS" ${V:+V=1}

# Perform basic ELF security checks on a series of executables.
make -C src --jobs=1 check-security ${V:+V=1}
# Check that executables only contain allowed gcc, glibc and libstdc++
# version symbols for Linux distro back-compatibility.
make -C src --jobs=1 check-symbols ${V:+V=1}

# Setup the directory where our Bitcoin Core build for HOST will be
# installed. This directory will also later serve as the input for our
# binary tarballs.
INSTALLPATH="${PWD}/installed/${DISTNAME}"
mkdir -p "${INSTALLPATH}"
# Install built Bitcoin Core to $INSTALLPATH
make install DESTDIR="${INSTALLPATH}" ${V:+V=1}
(
cd installed

# Prune libtool and object archives
find . -name "lib*.la" -delete
find . -name "lib*.a" -delete

# Prune pkg-config files
rm -r "${DISTNAME}/lib/pkgconfig"

# Split binaries and libraries from their debug symbols
{
find "${DISTNAME}/bin" -type f -executable -print0
find "${DISTNAME}/lib" -type f -print0
} | xargs -0 -n1 -P"$MAX_JOBS" -I{} "${DISTSRC}/contrib/devtools/split-debug.sh" {} {} {}.dbg

cp "${DISTSRC}/doc/README.md" "${DISTNAME}/"

# Finally, deterministically produce {non-,}debug binary tarballs ready
# for release
find "${DISTNAME}" -not -name "*.dbg" -print0 \
| sort --zero-terminated \
| tar --create --no-recursion --mode='u+rw,go+r-w,a+X' --null --files-from=- \
| gzip -9n > "${OUTDIR}/${DISTNAME}-${HOST}.tar.gz" \
|| ( rm -f "${OUTDIR}/${DISTNAME}-${HOST}.tar.gz" && exit 1 )
find "${DISTNAME}" -name "*.dbg" -print0 \
| sort --zero-terminated \
| tar --create --no-recursion --mode='u+rw,go+r-w,a+X' --null --files-from=- \
| gzip -9n > "${OUTDIR}/${DISTNAME}-${HOST}-debug.tar.gz" \
|| ( rm -f "${OUTDIR}/${DISTNAME}-${HOST}-debug.tar.gz" && exit 1 )
)
)
158 changes: 158 additions & 0 deletions contrib/guix/manifest.scm
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(use-modules (gnu)
(gnu packages)
(gnu packages autotools)
(gnu packages base)
(gnu packages bash)
(gnu packages check)
(gnu packages commencement)
(gnu packages compression)
(gnu packages cross-base)
(gnu packages file)
(gnu packages gawk)
(gnu packages gcc)
(gnu packages linux)
(gnu packages perl)
(gnu packages pkg-config)
(gnu packages python)
(gnu packages shells)
(guix build-system trivial)
(guix gexp)
(guix packages)
(guix profiles)
(guix utils))

(define (make-ssp-fixed-gcc xgcc)
"Given a XGCC package, return a modified package that uses the SSP function
from glibc instead of from libssp.so. Taken from:
http://www.linuxfromscratch.org/hlfs/view/development/chapter05/gcc-pass1.html"
(package
(inherit xgcc)
(arguments
(substitute-keyword-arguments (package-arguments xgcc)
((#:make-flags flags)
`(cons "gcc_cv_libc_provides_ssp=yes" ,flags))))))

(define (make-gcc-rpath-link xgcc)
"Given a XGCC package, return a modified package that replace each instance of
-rpath in the default system spec that's inserted by Guix with -rpath-link"
(package
(inherit xgcc)
(arguments
(substitute-keyword-arguments (package-arguments xgcc)
((#:phases phases)
`(modify-phases ,phases
(add-after 'pre-configure 'replace-rpath-with-rpath-link
(lambda _
(substitute* (cons "gcc/config/rs6000/sysv4.h"
(find-files "gcc/config"
"^gnu-user.*\\.h$"))
(("-rpath=") "-rpath-link="))
#t))))))))

(define (make-cross-toolchain target
base-gcc-for-libc
base-kernel-headers
base-libc
base-gcc)
"Create a cross-compilation toolchain package for TARGET"
(let* ((xbinutils (cross-binutils target))
;; 1. Build a cross-compiling gcc without targeting any libc, derived
;; from BASE-GCC-FOR-LIBC
(xgcc-sans-libc (cross-gcc target
#:xgcc base-gcc-for-libc
#:xbinutils xbinutils))
;; 2. Build cross-compiled kernel headers with XGCC-SANS-LIBC, derived
;; from BASE-KERNEL-HEADERS
(xkernel (cross-kernel-headers target
base-kernel-headers
xgcc-sans-libc
xbinutils))
;; 3. Build a cross-compiled libc with XGCC-SANS-LIBC and XKERNEL,
;; derived from BASE-LIBC
(xlibc (cross-libc target
base-libc
xgcc-sans-libc
xbinutils
xkernel))
;; 4. Build a cross-compiling gcc targeting XLIBC, derived from
;; BASE-GCC
(xgcc (cross-gcc target
#:xgcc base-gcc
#:xbinutils xbinutils
#:libc xlibc)))
;; Define a meta-package that propagates the resulting XBINUTILS, XLIBC, and
;; XGCC
(package
(name (string-append target "-toolchain"))
(version (package-version xgcc))
(source #f)
(build-system trivial-build-system)
(arguments '(#:builder (begin (mkdir %output) #t)))
(propagated-inputs
`(("binutils" ,xbinutils)
("libc" ,xlibc)
("libc:static" ,xlibc "static")
("gcc" ,xgcc)))
(synopsis (string-append "Complete GCC tool chain for " target))
(description (string-append "This package provides a complete GCC tool
chain for " target " development."))
(home-page (package-home-page xgcc))
(license (package-license xgcc)))))

(define* (make-bitcoin-cross-toolchain target
#:key
(base-gcc-for-libc gcc-5)
(base-kernel-headers linux-libre-headers-4.19)
(base-libc glibc-2.27)
(base-gcc (make-gcc-rpath-link
(make-ssp-fixed-gcc gcc-9))))
"Convienience wrapper around MAKE-CROSS-TOOLCHAIN with default values
desirable for building Bitcoin Core release binaries."
(make-cross-toolchain target
base-gcc-for-libc
base-kernel-headers
base-libc
base-gcc))

(packages->manifest
(list ;; The Basics
bash-minimal
which
coreutils
util-linux
;; File(system) inspection
file
grep
diffutils
findutils
;; File transformation
patch
gawk
sed
;; Compression and archiving
tar
bzip2
gzip
xz
zlib
;; Build tools
gnu-make
libtool
autoconf
automake
pkg-config
;; Scripting
perl
python-3.7
;; Native gcc 9 toolchain targeting glibc 2.27
(make-gcc-toolchain gcc-9 glibc-2.27)
;; Cross gcc 9 toolchains targeting glibc 2.27
(make-bitcoin-cross-toolchain "i686-linux-gnu")
(make-bitcoin-cross-toolchain "x86_64-linux-gnu")
(make-bitcoin-cross-toolchain "aarch64-linux-gnu")
(make-bitcoin-cross-toolchain "arm-linux-gnueabihf")
;; The glibc 2.27 for riscv64 needs gcc 7 to successfully build (see:
;; https://www.gnu.org/software/gcc/gcc-7/changes.html#riscv). The final
;; toolchain is still a gcc 9 toolchain targeting glibc 2.27.
(make-bitcoin-cross-toolchain "riscv64-linux-gnu"
#:base-gcc-for-libc gcc-7)))
3 changes: 2 additions & 1 deletion depends/packages/qt.mk
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Expand Up @@ -160,7 +160,8 @@ define $(package)_preprocess_cmds
echo "QMAKE_LINK_OBJECT_SCRIPT = object_script" >> qtbase/mkspecs/win32-g++/qmake.conf &&\
sed -i.old "s|QMAKE_CFLAGS = |!host_build: QMAKE_CFLAGS = $($(package)_cflags) $($(package)_cppflags) |" qtbase/mkspecs/win32-g++/qmake.conf && \
sed -i.old "s|QMAKE_LFLAGS = |!host_build: QMAKE_LFLAGS = $($(package)_ldflags) |" qtbase/mkspecs/win32-g++/qmake.conf && \
sed -i.old "s|QMAKE_CXXFLAGS = |!host_build: QMAKE_CXXFLAGS = $($(package)_cxxflags) $($(package)_cppflags) |" qtbase/mkspecs/win32-g++/qmake.conf
sed -i.old "s|QMAKE_CXXFLAGS = |!host_build: QMAKE_CXXFLAGS = $($(package)_cxxflags) $($(package)_cppflags) |" qtbase/mkspecs/win32-g++/qmake.conf && \
sed -i.old "s/LIBRARY_PATH/(CROSS_)?\0/g" qtbase/mkspecs/features/toolchain.prf
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endef

define $(package)_config_cmds
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