#!/bin/bash

set -e
set -o xtrace

CROSS_FILE=/cross_file-"$CROSS".txt

# We need to control the version of llvm-config we're using, so we'll
# tweak the cross file or generate a native file to do so.
if test -n "$LLVM_VERSION"; then
    LLVM_CONFIG="llvm-config-${LLVM_VERSION}"
    echo -e "[binaries]\nllvm-config = '`which $LLVM_CONFIG`'" > native.file
    if [ -n "$CROSS" ]; then
        sed -i -e '/\[binaries\]/a\' -e "llvm-config = '`which $LLVM_CONFIG`'" $CROSS_FILE
    fi
    $LLVM_CONFIG --version
else
    rm -f native.file
    touch native.file
fi

# cross-xfail-$CROSS, if it exists, contains a list of tests that are expected
# to fail for the $CROSS configuration, one per line. you can then mark those
# tests in their meson.build with:
#
# test(...,
#      should_fail: meson.get_cross_property('xfail', '').contains(t),
#     )
#
# where t is the name of the test, and the '' is the string to search when
# not cross-compiling (which is empty, because for amd64 everything is
# expected to pass).
if [ -n "$CROSS" ]; then
    CROSS_XFAIL=.gitlab-ci/cross-xfail-"$CROSS"
    if [ -s "$CROSS_XFAIL" ]; then
        sed -i \
            -e '/\[properties\]/a\' \
            -e "xfail = '$(tr '\n' , < $CROSS_XFAIL)'" \
            "$CROSS_FILE"
    fi
fi

rm -rf _build
meson _build --native-file=native.file \
      --wrap-mode=nofallback \
      ${CROSS+--cross "$CROSS_FILE"} \
      -D prefix=`pwd`/install \
      -D libdir=lib \
      -D buildtype=${BUILDTYPE:-debug} \
      -D build-tests=true \
      -D libunwind=${UNWIND} \
      ${DRI_LOADERS} \
      -D dri-drivers=${DRI_DRIVERS:-[]} \
      ${GALLIUM_ST} \
      -D gallium-drivers=${GALLIUM_DRIVERS:-[]} \
      -D vulkan-drivers=${VULKAN_DRIVERS:-[]} \
      -D I-love-half-baked-turnips=true \
      ${EXTRA_OPTION}
cd _build
meson configure
ninja -j4
LC_ALL=C.UTF-8 ninja test
ninja install
cd ..