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#
# Copyright (C) 2024 Linux Studio Plugins Project <https://lsp-plug.in/>
# (C) 2024 Vladimir Sadovnikov <sadko4u@gmail.com>
#
# This file is part of lsp-plugins
#
# lsp-plugins is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# any later version.
#
# lsp-plugins is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with lsp-plugins. If not, see <https://www.gnu.org/licenses/>.
#
# Detect operating system
ifndef PLATFORM
ifeq ($(findstring Windows,$(OS)),Windows)
BUILD_SYSTEM := Windows
else
BUILD_SYSTEM := $(shell uname -s 2>/dev/null || echo "Unknown")
endif
PLATFORM := Unknown
ifeq ($(BUILD_SYSTEM),Windows)
PLATFORM := Windows
else ifeq ($(findstring OpenBSD,$(BUILD_SYSTEM)),OpenBSD)
PLATFORM := OpenBSD
else ifeq ($(findstring BSD,$(BUILD_SYSTEM)),BSD)
PLATFORM := BSD
else ifeq ($(findstring Linux,$(BUILD_SYSTEM)),Linux)
PLATFORM := Linux
else ifeq ($(findstring SunOS,$(BUILD_SYSTEM)),SunOS)
PLATFORM := Solaris
else ifeq ($(findstring Darwin,$(BUILD_SYSTEM)),Darwin)
PLATFORM := MacOS
else ifeq ($(findstring Haiku,$(BUILD_SYSTEM)),Haiku)
PLATFORM := Haiku
endif
endif
# Detect system processor architecture
ifeq ($(PLATFORM),Windows)
HOST_BUILD_ARCH := $(PROCESSOR_ARCHITECTURE)
else
HOST_BUILD_ARCH := $(shell uname -m)
endif
BUILD_ARCH := $(if $(ARCHITECTURE),$(ARCHITECTURE),$(HOST_BUILD_ARCH))
ifeq ($(PLATFORM),Linux)
OBJ_LDFLAGS_X86 = -m elf_i386
OBJ_LDFLAGS_X86_64 = -m elf_x86_64
else ifeq ($(PLATFORM),BSD)
OBJ_LDFLAGS_X86 = -m elf_i386
OBJ_LDFLAGS_X86_64 = -m elf_x86_64
else ifeq ($(PLATFORM),Windows)
OBJ_LDFLAGS_X86 = -m i386pe
OBJ_LDFLAGS_X86_64 = -m i386pep
endif
# Set actual architecture for HOST and TARGET builds
# The current architecture can be obtained by: gcc -Q --help=target
define detect_architecture =
ifeq ($(1),armel)
$(2)_NAME = $(1)
$(2)_FAMILY = generic
$(2)_CFLAGS :=
else ifeq ($(1),armhf)
$(2)_NAME = arm32
$(2)_FAMILY = arm32
$(2)_CFLAGS := -march=armv7-a+fp -marm
else ifeq ($(patsubst armv6%,armv6,$(1)),armv6)
$(2)_NAME = arm32
$(2)_FAMILY = arm32
$(2)_CFLAGS := -march=armv6 -marm
else ifeq ($(patsubst armv7ve%,armv7ve,$(1)),armv7ve)
$(2)_NAME = arm32
$(2)_FAMILY = arm32
$(2)_CFLAGS := -march=armv7ve -marm
else ifeq ($(patsubst armv7%,armv7,$(1)),armv7)
$(2)_NAME = arm32
$(2)_FAMILY = arm32
$(2)_CFLAGS := -march=armv7-a -marm
else ifeq ($(patsubst armv8%,armv8,$(1)),armv8)
$(2)_NAME = arm32
$(2)_FAMILY = arm32
$(2)_CFLAGS := -march=armv7-a -marm
else ifeq ($(patsubst aarch64%,aarch64,$(1)),aarch64)
$(2)_NAME = aarch64
$(2)_FAMILY = aarch64
$(2)_CFLAGS := -march=armv8-a
else ifeq ($(1),arm64)
$(2)_NAME = aarch64
$(2)_FAMILY = aarch64
$(2)_CFLAGS := -march=armv8-a
else ifeq ($(1),arm32)
$(2)_NAME = arm32
$(2)_FAMILY = arm32
$(2)_CFLAGS := -march=armv6 -marm
else ifeq ($(1),arm)
$(2)_NAME = arm32
$(2)_FAMILY = arm32
$(2)_CFLAGS := -march=armv6 -marm
else ifeq ($(patsubst %x86_64%,x86_64,$(1)),x86_64)
$(2)_NAME = x86_64
$(2)_FAMILY = x86_64
$(2)_CFLAGS := -march=x86-64 -m64
$(2)_LDFLAGS := $(OBJ_LDFLAGS_X86_64)
else ifeq ($(patsubst %amd64%,amd64,$(1)),amd64)
$(2)_NAME = x86_64
$(2)_FAMILY = x86_64
$(2)_CFLAGS := -march=x86-64 -m64
$(2)_LDFLAGS := $(OBJ_LDFLAGS_X86_64)
else ifeq ($(patsubst %AMD64%,AMD64,$(1)),AMD64)
$(2)_NAME = x86_64
$(2)_FAMILY = x86_64
$(2)_CFLAGS := -march=x86-64 -m64
$(2)_LDFLAGS := $(OBJ_LDFLAGS_X86_64)
else ifeq ($(1),i86pc)
$(2)_NAME = x86_64
$(2)_FAMILY = x86_64
$(2)_CFLAGS := -march=x86-64 -m64
$(2)_LDFLAGS := $(OBJ_LDFLAGS_X86_64)
else ifeq ($(patsubst %i686%,i686,$(1)),i686)
$(2)_NAME = i686
$(2)_FAMILY = ia32
$(2)_CFLAGS := -march=i686 -m32
$(2)_LDFLAGS := $(OBJ_LDFLAGS_X86)
else ifeq ($(patsubst i%86,i586,$(1)),i586)
$(2)_NAME = i586
$(2)_FAMILY = ia32
$(2)_CFLAGS := -march=i586 -m32
$(2)_LDFLAGS := $(OBJ_LDFLAGS_X86)
else ifeq ($(1),x86)
$(2)_NAME = i686
$(2)_FAMILY = ia32
$(2)_CFLAGS := -march=i686 -m32
$(2)_LDFLAGS := $(OBJ_LDFLAGS_X86)
else ifeq ($(1),riscv32)
$(2)_NAME = riscv32
$(2)_FAMILY = riscv32
$(2)_CFLAGS := -march=rv32imafdc -mabi=lp32d
else ifeq ($(1),riscv64)
$(2)_NAME = riscv64
$(2)_FAMILY = riscv64
$(2)_CFLAGS := -march=rv64imafdc -mabi=lp64d
else
$(2)_NAME = $(1)
$(2)_FAMILY = generic
$(2)_CFLAGS :=
endif
endef
$(eval $(call detect_architecture,$(BUILD_ARCH),ARCHITECTURE))
$(eval $(call detect_architecture,$(HOST_BUILD_ARCH),HOST_ARCHITECTURE))
override ARCHITECTURE = $(ARCHITECTURE_NAME)
override HOST_ARCHITECTURE = $(HOST_ARCHITECTURE_NAME)
# Extension of libraries
ifndef LIBRARY_EXT
ifeq ($(PLATFORM),Windows)
LIBRARY_EXT := .dll
else ifeq ($(PLATFORM),MacOS)
LIBRARY_EXT := .dylib
else
LIBRARY_EXT := .so
endif
endif
# Extension of libraries
ifndef LIBRARY_PREFIX
ifeq ($(PLATFORM),Windows)
LIBRARY_PREFIX :=
else
LIBRARY_PREFIX := lib
endif
endif
# Extension of executables
ifndef EXECUTABLE_EXT
ifeq ($(PLATFORM),Windows)
EXECUTABLE_EXT := .exe
else
EXECUTABLE_EXT :=
endif
endif
# Extension of executables
ifndef STATICLIB_EXT
STATICLIB_EXT := .a
endif
# Extension of pkgconfig files
ifndef PKGCONFIG_EXT
PKGCONFIG_EXT := .pc
endif
TEST := 0
# Set-up list of common variables
COMMON_VARS = \
ARCHITECTURE \
ARCHITECTURE_FAMILY \
ARCHITECTURE_CFLAGS \
BUILD_FEATURES \
CROSS_COMPILE \
DEBUG \
EXECUTABLE_EXT \
EXPORT_SYMBOLS \
HOST_ARCHITECTURE \
HOST_ARCHITECTURE_FAMILY \
HOST_ARCHITECTURE_CFLAGS \
INSTALL_HEADERS \
LIBRARY_EXT \
LIBRARY_PREFIX \
PKGCONFIG_EXT \
PLATFORM \
ROOT_ARTIFACT_ID \
PROFILE \
STATICLIB_EXT \
STRICT \
TEST \
TRACE
.PHONY: sysvars
sysvars:
echo "List of available system variables:"
echo " ADD_FEATURES list of features enabled in the build as an addition to default"
echo " ARCHITECTURE target architecture to perform build"
echo " ARCHITECTURE_CFLAGS compiler flags to specify architecture"
echo " ARCHITECTURE_FAMILY compiler flags to specify architecture family"
echo " ARCHITECTURE_LDFLAGS linker flags to specify architecture"
echo " CROSS_COMPILE enable/disable cross-compilation"
echo " DEBUG build with debug options"
echo " DEVEL build with modules checked out for read/write URL"
echo " EXECUTABLE_EXT file extension for executable files"
echo " EXPORT_SYMBOLS make export symbols visible"
echo " FEATURES list of features enabled in the build"
echo " INSTALL_HEADERS install headers (enabled by default)"
echo " LIBRARY_EXT file extension for library files"
echo " LIBRARY_PREFIX prefix used for library file"
echo " PKGCONFIG_EXT file extension for pkgconfig files"
echo " PLATFORM target software platform to perform build"
echo " PROFILE build with profile options"
echo " STATICLIB_EXT file extension for static library files"
echo " STRICT strict compilation: treat compilation warnings as errors"
echo " SUB_FEATURES list of features disabled in the build as a subtraction of default"
echo " TEST use test build"
echo " TRACE compile with additional trace information output"
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