SUMMARY = "C#-like programming language for easing GObject programming"
DESCRIPTION = "Vala is a C#-like language dedicated to ease GObject programming. \
Vala compiles to plain C and has no runtime environment nor penalities whatsoever."
SECTION = "devel"
DEPENDS = "bison-native flex-native libxslt-native glib-2.0"

# vala-native contains a native version of vapigen, which we use instead of the target one
DEPENDS_append_class-target = " vala-native"
BBCLASSEXTEND = "native"
HOMEPAGE = "http://vala-project.org"
LICENSE = "LGPLv2.1"
LIC_FILES_CHKSUM = "file://COPYING;md5=fbc093901857fcd118f065f900982c24"

SHRT_VER = "${@d.getVar('PV').split('.')[0]}.${@d.getVar('PV').split('.')[1]}"

SRC_URI = "http://ftp.gnome.org/pub/GNOME/sources/${BPN}/${SHRT_VER}/${BP}.tar.xz"
inherit autotools pkgconfig upstream-version-is-even

FILES_${PN} += "${datadir}/${BPN}-${SHRT_VER}/vapi ${libdir}/${BPN}-${SHRT_VER}/"
FILES_${PN}-doc += "${datadir}/devhelp"

do_configure_prepend_class-target() {
        # Write out a vapigen wrapper that will be provided by pkg-config file installed in target sysroot
        # The wrapper will call a native vapigen
        cat > ${B}/vapigen-wrapper << EOF
#!/bin/sh
vapigen-${SHRT_VER} "\$@"
EOF
        chmod +x ${B}/vapigen-wrapper
}

# Vapigen wrapper needs to be available system-wide, because it will be used
# to build vapi files from all other packages with vala support
do_install_append_class-target() {
        install -d ${D}${bindir}/
        install ${B}/vapigen-wrapper ${D}${bindir}/
}

# Put vapigen wrapper into target sysroot so that it can be used when building
# vapi files.
SYSROOT_DIRS_append_class-target = " ${bindir}"

SYSROOT_PREPROCESS_FUNCS_append_class-target = " vapigen_sysroot_preprocess"
vapigen_sysroot_preprocess() {
        # Tweak the vapigen name in the vapigen pkgconfig file, so that it picks
        # up our wrapper.
        sed -i \
           -e "s|vapigen=.*|vapigen=${bindir}/vapigen-wrapper|" \
           ${SYSROOT_DESTDIR}${libdir}/pkgconfig/vapigen-${SHRT_VER}.pc
}