build-helper/rust.sh: Add

common/build-helper/rust.sh

@@ -0,0 +1,33 @@
+# Define equivalent of TOML config in environment
+# [build]
+# jobs = $XBPS_MAKEJOBS
+export CARGO_BUILD_JOBS="$XBPS_MAKEJOBS"
+
+if [ "$CROSS_BUILD" ]; then
+	# Define equivalent of TOML config in environment
+	# [target.${RUST_TARGET}]
+	# linker = ${CC}
+	_XBPS_CROSS_RUST_TARGET_ENV="${XBPS_CROSS_RUST_TARGET^^}"
+	_XBPS_CROSS_RUST_TARGET_ENV="${_XBPS_CROSS_RUST_TARGET_ENV//-/_}"
+	export CARGO_TARGET_${_XBPS_CROSS_RUST_TARGET_ENV}_LINKER="$CC"
+	unset _XBPS_CROSS_RUST_TARGET_ENV
+	
+	# Define equivalent of TOML config in environment
+	# [build]
+	# target = ${RUST_TARGET}
+	export CARGO_BUILD_TARGET="$RUST_TARGET"
+fi
+
+# For cross-compiling rust -sys crates
+export PKG_CONFIG_ALLOW_CROSS=1
+
+# libgit2-sys
+export LIBGIT2_SYS_USE_PKG_CONFIG=1
+
+# gettext-rs
+export GETTEXT_BIN_DIR=/usr/bin
+export GETTEXT_LIB_DIR="${XBPS_CROSS_BASE}/usr/lib/gettext"
+export GETTEXT_INCLUDE_DIR="${XBPS_CROSS_BASE}/usr/include"
+
+# libssh2-sys
+export LIBSSH2_SYS_USE_PKG_CONFIG=1