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gitian: use a wrapped gcc/g++ to avoid the need for a system change

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C_INCLUDE_PATH and CPLUS_INCLUDE_PATH work globally as though -isystem was used
for each invocation.

Since that changes the build results, force a rebuild of x86 depends by adding
the value to $HOST_ID_SALT.
This commit is contained in:
Cory Fields 2016-07-07 20:09:55 -04:00
parent 91abb77970
commit 099d4b0b65
1 changed files with 34 additions and 6 deletions
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40
contrib/gitian-descriptors/gitian-linux.yml
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@ -33,12 +33,6 @@ remotes:
files: []
script: |
#unlock sudo
echo "ubuntu" | sudo -S true
sudo mkdir -p /usr/include/i386-linux-gnu/
sudo ln -s /usr/include/x86_64-linux-gnu/asm /usr/include/i386-linux-gnu/asm
WRAP_DIR=$HOME/wrapped
HOSTS="i686-pc-linux-gnu x86_64-linux-gnu arm-linux-gnueabihf aarch64-linux-gnu"
CONFIGFLAGS="--enable-glibc-back-compat --enable-reduce-exports --disable-bench --disable-gui-tests"
@ -90,11 +84,45 @@ script: |
create_per-host_faketime_wrappers "2000-01-01 12:00:00"
export PATH=${WRAP_DIR}:${PATH}
EXTRA_INCLUDES_BASE=$WRAP_DIR/extra_includes
mkdir -p $EXTRA_INCLUDES_BASE
# x86 needs /usr/include/i386-linux-gnu/asm pointed to /usr/include/x86_64-linux-gnu/asm,
# but we can't write there. Instead, create a link here and force it to be included in the
# search paths by wrapping gcc/g++.
mkdir -p $EXTRA_INCLUDES_BASE/i686-pc-linux-gnu
rm -f $WRAP_DIR/extra_includes/i686-pc-linux-gnu/asm
ln -s /usr/include/x86_64-linux-gnu/asm $EXTRA_INCLUDES_BASE/i686-pc-linux-gnu/asm
for prog in gcc g++; do
rm -f ${WRAP_DIR}/${prog}
cat << EOF > ${WRAP_DIR}/${prog}
#!/bin/bash
REAL="`which -a ${prog} | grep -v ${WRAP_DIR}/${prog} | head -1`"
for var in "\$@"
do
if [ "\$var" = "-m32" ]; then
export C_INCLUDE_PATH="$EXTRA_INCLUDES_BASE/i686-pc-linux-gnu"
export CPLUS_INCLUDE_PATH="$EXTRA_INCLUDES_BASE/i686-pc-linux-gnu"
break
fi
done
\$REAL \$@
EOF
chmod +x ${WRAP_DIR}/${prog}
done
cd bitcoin
BASEPREFIX=`pwd`/depends
# Build dependencies for each host
for i in $HOSTS; do
EXTRA_INCLUDES="$EXTRA_INCLUDES_BASE/$i"
if [ -d "$EXTRA_INCLUDES" ]; then
export HOST_ID_SALT="$EXTRA_INCLUDES"
fi
make ${MAKEOPTS} -C ${BASEPREFIX} HOST="${i}"
unset HOST_ID_SALT
done
# Faketime for binaries