# # Copyright (C) 2006-2007 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. # ifneq ($(__prereq_inc),1) __prereq_inc:=1 prereq: if [ -f $(TMP_DIR)/.prereq-error ]; then \ echo; \ cat $(TMP_DIR)/.prereq-error; \ rm -f $(TMP_DIR)/.prereq-error; \ echo; \ false; \ fi .SILENT: prereq endif define Require export PREREQ_CHECK=1 ifeq ($$(CHECK_$(1)),) prereq: prereq-$(1) prereq-$(1): FORCE echo -n "Checking '$(1)'... " if $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) >/dev/null 2>/dev/null; then \ echo 'ok.'; \ else \ echo 'failed.'; \ echo -e "$(PKG_NAME): $(strip $(2))" | perl -ne 's/\\\s*/\n/g,print' >> $(TMP_DIR)/.prereq-error; \ fi check-$(1): FORCE $(call Require/$(1)) CHECK_$(1):=1 .SILENT: prereq-$(1) check-$(1) .NOTPARALLEL: endif endef define RequireCommand define Require/$(1) which $(1) endef $$(eval $$(call Require,$(1),$(2))) endef define RequireHeader define Require/$(1) [ -e "$(1)" ] endef $$(eval $$(call Require,$(1),$(2))) endef calmer upstream openwrtJames
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path: root/scripts/patch-specs.sh
blob: 3307b6b0904501a83a5f8bc8824d91c9304c6fd1 (plain)
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#!/usr/bin/env bash

DIR="$1"

if [ -d "$DIR" ]; then
	DIR="$(cd "$DIR"; pwd)"
else
	echo "Usage: $0 toolchain-dir"
	exit 1
fi

echo -n "Locating cpp ... "
for bin in bin usr/bin usr/local/bin; do
	for cmd in "$DIR/$bin/"*-cpp; do
		if [ -x "$cmd" ]; then
			echo "$cmd"
			CPP="$cmd"
			break
		fi
	done
done

if [ ! -x "$CPP" ]; then
	echo "Can't locate a cpp executable in '$DIR' !"
	exit 1
fi

patch_specs() {
	local found=0

	for lib in $(STAGING_DIR="$DIR" "$CPP" -x c -v /dev/null 2>&1 | sed -ne 's#:# #g; s#^LIBRARY_PATH=##p'); do
		if [ -d "$lib" ]; then
			grep -qs "STAGING_DIR" "$lib/specs" && rm -f "$lib/specs"
			if [ $found -lt 1 ]; then
				echo -n "Patching specs ... "
				STAGING_DIR="$DIR" "$CPP" -dumpspecs | awk '
					mode ~ "link" {
						sub("%{L.}", "%{L*} -L %:getenv(STAGING_DIR /usr/lib) -rpath-link %:getenv(STAGING_DIR /usr/lib)")
					}
					mode ~ "cpp" {
						$0 = $0 " -idirafter %:getenv(STAGING_DIR /usr/include)"
					}
					{
						print $0
						mode = ""
					}
					/^\*cpp:/ {
						mode = "cpp"
					}
					/^\*link.*:/ {
						mode = "link"
					}
				' > "$lib/specs"
				echo "ok"
				found=1
			fi
		fi
	done

	[ $found -gt 0 ]
	return $?
}


VERSION="$(STAGING_DIR="$DIR" "$CPP" --version | sed -ne 's/^.* (.*) //; s/ .*$//; 1p')"
VERSION="${VERSION:-unknown}"

case "${VERSION##* }" in
	2.*|3.*|4.0.*|4.1.*|4.2.*)
		echo "The compiler version does not support getenv() in spec files."
		echo -n "Wrapping binaries instead ... "

		if "${0%/*}/ext-toolchain.sh" --toolchain "$DIR" --wrap "${CPP%/*}"; then
			echo "ok"
			exit 0
		else
			echo "failed"
			exit $?
		fi
	;;
	*)
		if patch_specs; then
			echo "Toolchain successfully patched."
			exit 0
		else
			echo "Failed to locate library directory!"
			exit 1
		fi
	;;
esac