devtools: split meson build helper
[dpdk.git] / devtools / test-meson-builds.sh
index 9fe0a04..fb6c404 100755 (executable)
@@ -12,8 +12,11 @@ PIPEFAIL=""
 set -o | grep -q pipefail && set -o pipefail && PIPEFAIL=1
 
 srcdir=$(dirname $(readlink -f $0))/..
+. $srcdir/devtools/load-devel-config
+
 MESON=${MESON:-meson}
 use_shared="--default-library=shared"
+builds_dir=${DPDK_BUILD_TEST_DIR:-.}
 
 if command -v gmake >/dev/null 2>&1 ; then
        MAKE=gmake
@@ -28,31 +31,78 @@ else
        echo "ERROR: ninja is not found" >&2
        exit 1
 fi
+if command -v ccache >/dev/null 2>&1 ; then
+       CCACHE=ccache
+else
+       CCACHE=
+fi
+
+default_path=$PATH
+default_pkgpath=$PKG_CONFIG_PATH
+default_cppflags=$CPPFLAGS
+default_cflags=$CFLAGS
+default_ldflags=$LDFLAGS
+
+load_env () # <target compiler>
+{
+       targetcc=$1
+       export PATH=$default_path
+       export PKG_CONFIG_PATH=$default_pkgpath
+       export CPPFLAGS=$default_cppflags
+       export CFLAGS=$default_cflags
+       export LDFLAGS=$default_ldflags
+       unset DPDK_MESON_OPTIONS
+       command -v $targetcc >/dev/null 2>&1 || return 1
+       DPDK_TARGET=$($targetcc -v 2>&1 | sed -n 's,^Target: ,,p')
+       . $srcdir/devtools/load-devel-config
+}
 
-build () # <directory> <meson options>
+config () # <dir> <builddir> <meson options>
 {
+       dir=$1
+       shift
        builddir=$1
        shift
-       if command -v $CC >/dev/null 2>&1 ; then
-               if [ ! -f "$builddir/build.ninja" ] ; then
-                       options="--werror -Dexamples=all $*"
-                       echo "$MESON $options $srcdir $builddir"
-                       $MESON $options $srcdir $builddir
-                       unset CC
-               fi
-               if [ -n "$TEST_MESON_BUILD_VERY_VERBOSE" ] ; then
-                       # for full output from ninja use "-v"
-                       echo "$ninja_cmd -v -C $builddir"
-                       $ninja_cmd -v -C $builddir
-               elif [ -n "$TEST_MESON_BUILD_VERBOSE" ] ; then
-                       # for keeping the history of short cmds, pipe through cat
-                       echo "$ninja_cmd -C $builddir | cat"
-                       $ninja_cmd -C $builddir | cat
-               else
-                       echo "$ninja_cmd -C $builddir"
-                       $ninja_cmd -C $builddir
-               fi
+       if [ -f "$builddir/build.ninja" ] ; then
+               return
        fi
+       options="--werror -Dexamples=all"
+       for option in $DPDK_MESON_OPTIONS ; do
+               options="$options -D$option"
+       done
+       options="$options $*"
+       echo "$MESON $options $dir $builddir"
+       $MESON $options $dir $builddir
+}
+
+compile () # <builddir>
+{
+       builddir=$1
+       if [ -n "$TEST_MESON_BUILD_VERY_VERBOSE" ] ; then
+               # for full output from ninja use "-v"
+               echo "$ninja_cmd -v -C $builddir"
+               $ninja_cmd -v -C $builddir
+       elif [ -n "$TEST_MESON_BUILD_VERBOSE" ] ; then
+               # for keeping the history of short cmds, pipe through cat
+               echo "$ninja_cmd -C $builddir | cat"
+               $ninja_cmd -C $builddir | cat
+       else
+               echo "$ninja_cmd -C $builddir"
+               $ninja_cmd -C $builddir
+       fi
+}
+
+build () # <directory> <target compiler> <meson options>
+{
+       targetdir=$1
+       shift
+       targetcc=$1
+       shift
+       # skip build if compiler not available
+       command -v ${CC##* } >/dev/null 2>&1 || return 0
+       load_env $targetcc || return 0
+       config $srcdir $builds_dir/$targetdir $*
+       compile $builds_dir/$targetdir
 }
 
 if [ "$1" = "-vv" ] ; then
@@ -70,8 +120,9 @@ fi
 for c in gcc clang ; do
        command -v $c >/dev/null 2>&1 || continue
        for s in static shared ; do
-               export CC="ccache $c"
-               build build-$c-$s --default-library=$s
+               export CC="$CCACHE $c"
+               build build-$c-$s $c --default-library=$s
+               unset CC
        done
 done
 
@@ -83,33 +134,37 @@ ok=$(cc -march=$default_machine -E - < /dev/null > /dev/null 2>&1 || echo false)
 if [ "$ok" = "false" ] ; then
        default_machine='corei7'
 fi
-build build-x86-default -Dlibdir=lib -Dmachine=$default_machine $use_shared
+build build-x86-default cc -Dlibdir=lib -Dmachine=$default_machine $use_shared
 
-# enable cross compilation if gcc cross-compiler is found
 c=aarch64-linux-gnu-gcc
-if command -v $c >/dev/null 2>&1 ; then
-       # compile the general v8a also for clang to increase coverage
-       export CC="clang"
-       build build-arm64-host-clang $use_shared \
-               --cross-file $srcdir/config/arm/arm64_armv8_linux_gcc
-
-       for f in $srcdir/config/arm/arm*gcc ; do
-               export CC="ccache gcc"
-               build build-$(basename $f | tr '_' '-' | cut -d'-' -f-2) \
-                       $use_shared --cross-file $f
-       done
-fi
+# generic armv8a with clang as host compiler
+export CC="clang"
+build build-arm64-host-clang $c $use_shared \
+       --cross-file $srcdir/config/arm/arm64_armv8_linux_gcc
+unset CC
+# all gcc/arm configurations
+for f in $srcdir/config/arm/arm64_[bdo]*gcc ; do
+       export CC="$CCACHE gcc"
+       build build-$(basename $f | tr '_' '-' | cut -d'-' -f-2) $c \
+               $use_shared --cross-file $f
+       unset CC
+done
 
 # Test installation of the x86-default target, to be used for checking
 # the sample apps build using the pkg-config file for cflags and libs
-build_path=build-x86-default
-export DESTDIR=$(pwd)/$build_path/install-root
+build_path=$(readlink -f $builds_dir/build-x86-default)
+export DESTDIR=$build_path/install-root
 $ninja_cmd -C $build_path install
 
+load_env cc
 pc_file=$(find $DESTDIR -name libdpdk.pc)
 export PKG_CONFIG_PATH=$(dirname $pc_file):$PKG_CONFIG_PATH
 
-for example in cmdline helloworld l2fwd l3fwd skeleton timer; do
-       echo "## Building $example"
-       $MAKE -C $DESTDIR/usr/local/share/dpdk/examples/$example clean all
-done
+# if pkg-config defines the necessary flags, test building some examples
+if pkg-config --define-prefix libdpdk >/dev/null 2>&1; then
+       export PKGCONF="pkg-config --define-prefix"
+       for example in cmdline helloworld l2fwd l3fwd skeleton timer; do
+               echo "## Building $example"
+               $MAKE -C $DESTDIR/usr/local/share/dpdk/examples/$example clean all
+       done
+fi