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965cddfa36
Add Kconfig, build rules, and ignore entries required to build and package libffi as a standalone system component. Signed-off-by: Tiago Medicci <tiago.medicci@espressif.com>
135 lines
4.6 KiB
Makefile
135 lines
4.6 KiB
Makefile
############################################################################
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# apps/system/libffi/Makefile
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership. The
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# ASF licenses this file to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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############################################################################
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include $(APPDIR)/Make.defs
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LIBFFI_URL = https://github.com/libffi/libffi/archive
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LIBFFI_COMMIT = $(patsubst "%",%,$(strip $(CONFIG_LIB_LIBFFI_VERSION)))
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LIBFFI_ZIP = libffi-$(LIBFFI_COMMIT).zip
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LIBFFI_SRC = libffi
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LIBFFI_BUILDDIR = $(CURDIR)/build
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LIBFFI_INSTALLDIR = $(CURDIR)/install
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APPS_INCDIR = $(APPDIR)$(DELIM)include
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UNPACK ?= unzip -q -o
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# ---------------------------------------------------------------------------
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# Derive the autotools --host triplet from the NuttX configuration.
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#
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# libffi's configure.host matches on patterns such as:
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# riscv*-*-* arm*-*-* aarch64*-*-* xtensa*-*-*
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# mips*-*-* i?86-*-* x86_64-*-*
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#
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# We map CONFIG_ARCH (and, for RISC-V, the word-size selectors) to the
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# CPU part that libffi expects, then append "-nuttx-elf" as vendor-os.
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# ---------------------------------------------------------------------------
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ifeq ($(CONFIG_ARCH),risc-v)
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ifeq ($(CONFIG_ARCH_RV64),y)
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LIBFFI_CPU = riscv64
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else
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LIBFFI_CPU = riscv32
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endif
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else ifeq ($(CONFIG_ARCH),arm64)
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LIBFFI_CPU = aarch64
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else ifeq ($(CONFIG_ARCH),arm)
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LIBFFI_CPU = arm
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else ifeq ($(CONFIG_ARCH),xtensa)
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LIBFFI_CPU = xtensa
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else ifeq ($(CONFIG_ARCH),mips)
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LIBFFI_CPU = mips
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else ifeq ($(CONFIG_ARCH),x86_64)
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LIBFFI_CPU = x86_64
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else ifeq ($(CONFIG_ARCH),x86)
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LIBFFI_CPU = i686
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else
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LIBFFI_CPU = $(subst -,,$(CONFIG_ARCH))
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endif
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LIBFFI_HOST = $(LIBFFI_CPU)-nuttx-elf
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# ---------------------------------------------------------------------------
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# CFLAGS for the libffi build itself.
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#
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# We start from the NuttX-provided CFLAGS (which already carry -march,
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# -mabi, -isystem paths, -D__NuttX__, etc.) and add a few flags that the
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# library needs. We deliberately strip -nostdlib because autoconf link
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# checks need the default startfiles/libs to succeed.
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# ---------------------------------------------------------------------------
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LIBFFI_CFLAGS = $(filter-out -nostdlib -Werror -Werror=% -Wno-cpp,$(CFLAGS))
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LIBFFI_CFLAGS += -ffunction-sections -fdata-sections -O2
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# ---------------------------------------------------------------------------
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# Download, autoreconf, configure, build, install
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# ---------------------------------------------------------------------------
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ifeq ($(wildcard $(LIBFFI_SRC)/.git),)
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$(LIBFFI_ZIP):
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@echo "Downloading: $(LIBFFI_URL)/$(LIBFFI_COMMIT).zip"
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$(Q) curl -L $(LIBFFI_URL)/$(LIBFFI_COMMIT).zip -o $(LIBFFI_ZIP)
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$(LIBFFI_SRC): $(LIBFFI_ZIP)
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@echo "Unpacking: $(LIBFFI_ZIP) -> $(LIBFFI_SRC)"
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$(Q) $(UNPACK) $(LIBFFI_ZIP)
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$(Q) mv libffi-$(LIBFFI_COMMIT) $(LIBFFI_SRC)
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endif
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$(LIBFFI_SRC)/configure: $(LIBFFI_SRC)
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@echo "Generating libffi configure script (autoreconf)"
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$(Q) (cd $(LIBFFI_SRC) && autoreconf -v -i)
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$(LIBFFI_INSTALLDIR)/lib/libffi.a: $(LIBFFI_SRC)/configure
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$(Q) mkdir -p $(LIBFFI_BUILDDIR)
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$(Q) ( \
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cd $(LIBFFI_BUILDDIR) && \
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$(CURDIR)/$(LIBFFI_SRC)/configure \
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--host=$(LIBFFI_HOST) \
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--prefix=$(LIBFFI_INSTALLDIR) \
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--disable-shared \
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--enable-static \
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--disable-docs \
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--disable-exec-static-tramp \
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--disable-multi-os-directory \
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CC="$(CC)" \
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CFLAGS="$(LIBFFI_CFLAGS)" \
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AR="$(CROSSDEV)ar" \
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RANLIB="$(CROSSDEV)ranlib" \
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)
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$(MAKE) -C $(LIBFFI_BUILDDIR) -j$(shell nproc)
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$(MAKE) -C $(LIBFFI_BUILDDIR) install
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context:: $(LIBFFI_INSTALLDIR)/lib/libffi.a
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$(Q) mkdir -p $(APPS_INCDIR)
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$(Q) cp $(LIBFFI_INSTALLDIR)/include/*.h $(APPS_INCDIR)
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distclean::
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$(call DELDIR, $(LIBFFI_BUILDDIR))
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$(call DELDIR, $(LIBFFI_INSTALLDIR))
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$(call DELDIR, $(LIBFFI_SRC))
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$(call DELFILE, $(LIBFFI_ZIP))
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$(call DELFILE, $(APPS_INCDIR)/ffi.h)
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$(call DELFILE, $(APPS_INCDIR)/ffitarget.h)
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include $(APPDIR)/Application.mk
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