build: Misc portability improvements
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mintsuki
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b1a7c0d19f
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c28e3a6f7f
@ -51,26 +51,62 @@ ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_CC) ; ), )
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override LIMINE_CC := $(CC)
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endif
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_LD) ; ), )
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override LIMINE_LD := gld
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_LD) ; ), )
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override LIMINE_LD := ld.bfd
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_LD) ; ), )
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override LIMINE_LD := /usr/local/bin/ld
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_LD) ; ), )
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override LIMINE_LD := ld
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endif
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endif
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endif
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endif
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_AR) ; ), )
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override LIMINE_AR := gar
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_AR) ; ), )
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override LIMINE_AR := /usr/local/bin/ar
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_AR) ; ), )
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override LIMINE_AR := ar
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endif
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endif
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endif
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_AS) ; ), )
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override LIMINE_AS := gas
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_AS) ; ), )
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override LIMINE_AS := /usr/local/bin/as
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_AS) ; ), )
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override LIMINE_AS := as
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endif
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endif
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endif
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_OBJCOPY) ; ), )
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override LIMINE_OBJCOPY := gobjcopy
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_OBJCOPY) ; ), )
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override LIMINE_OBJCOPY := /usr/local/bin/objcopy
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_OBJCOPY) ; ), )
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override LIMINE_OBJCOPY := objcopy
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endif
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endif
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endif
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_OBJDUMP) ; ), )
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override LIMINE_OBJDUMP := gobjdump
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_OBJDUMP) ; ), )
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override LIMINE_OBJDUMP := /usr/local/bin/objdump
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_OBJDUMP) ; ), )
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override LIMINE_OBJDUMP := objdump
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endif
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endif
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endif
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_READELF) ; ), )
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override LIMINE_READELF := greadelf
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_READELF) ; ), )
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override LIMINE_READELF := /usr/local/bin/readelf
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ifeq ($(shell PATH='$(call SHESCAPE,$(PATH))' command -v $(LIMINE_READELF) ; ), )
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override LIMINE_READELF := readelf
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endif
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endif
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endif
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export LIMINE_CC
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export LIMINE_LD
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@ -101,16 +137,36 @@ ifneq ($(MAKECMDGOALS), install)
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ifneq ($(MAKECMDGOALS), install-data)
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ifneq ($(MAKECMDGOALS), install-strip)
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override USING_GNU_LD := $(shell PATH='$(call SHESCAPE,$(PATH))' $(LIMINE_LD) --version | grep Binutils >/dev/null && echo 1)
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override USING_GNU_LD := $(shell PATH='$(call SHESCAPE,$(PATH))' $(LIMINE_LD) --version | grep 'GNU Binutils' >/dev/null && echo 1)
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ifneq ($(USING_GNU_LD), 1)
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$(error The specified LIMINE_LD linker ($(LIMINE_LD)) is not the GNU linker)
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endif
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override USING_GNU_OBJCOPY := $(shell PATH='$(call SHESCAPE,$(PATH))' $(LIMINE_OBJCOPY) --version | grep Binutils >/dev/null && echo 1)
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override USING_GNU_AR := $(shell PATH='$(call SHESCAPE,$(PATH))' $(LIMINE_AR) --version | grep 'GNU Binutils' >/dev/null && echo 1)
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ifneq ($(USING_GNU_AR), 1)
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$(error The specified LIMINE_AR archiver ($(LIMINE_AR)) is not the GNU archiver)
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endif
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override USING_GNU_AS := $(shell PATH='$(call SHESCAPE,$(PATH))' $(LIMINE_AS) --version | grep 'GNU Binutils' >/dev/null && echo 1)
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ifneq ($(USING_GNU_AS), 1)
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$(error The specified LIMINE_AS assembler ($(LIMINE_AS)) is not the GNU assembler)
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endif
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override USING_GNU_OBJCOPY := $(shell PATH='$(call SHESCAPE,$(PATH))' $(LIMINE_OBJCOPY) --version | grep 'GNU Binutils' >/dev/null && echo 1)
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ifneq ($(USING_GNU_OBJCOPY), 1)
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$(error The specified LIMINE_OBJCOPY ($(LIMINE_OBJCOPY)) is not GNU objcopy)
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endif
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override USING_GNU_OBJDUMP := $(shell PATH='$(call SHESCAPE,$(PATH))' $(LIMINE_OBJDUMP) --version | grep 'GNU Binutils' >/dev/null && echo 1)
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ifneq ($(USING_GNU_OBJDUMP), 1)
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$(error The specified LIMINE_OBJDUMP ($(LIMINE_OBJDUMP)) is not GNU objdump)
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endif
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override USING_GNU_READELF := $(shell PATH='$(call SHESCAPE,$(PATH))' $(LIMINE_READELF) --version | grep 'GNU Binutils' >/dev/null && echo 1)
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ifneq ($(USING_GNU_READELF), 1)
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$(error The specified LIMINE_READELF ($(LIMINE_READELF)) is not GNU readelf)
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endif
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ifneq ($(CC_MACHINE), x86_64)
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ifneq ($(CC_MACHINE), amd64-)
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$(error No suitable x86_64 C compiler found, please install an x86_64 C toolchain or run "./make_toolchain.sh")
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@ -132,7 +188,7 @@ ifeq ($(USING_CLANG), 1)
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override LIMINE_CC := $(ORIG_LIMINE_CC)
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endif
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override STAGE1_FILES := $(shell find -L '$(call SHESCAPE,$(SRCDIR))/stage1' -type f -name '*.asm')
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override STAGE1_FILES := $(shell find '$(call SHESCAPE,$(SRCDIR))/stage1' -type f -name '*.asm')
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.PHONY: all
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all: limine-uefi limine-bios
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@ -72,7 +72,7 @@ This step can take a long time, but it will ensure that the toolchain will work
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with Limine. If on an x86_64 host, with GCC or Clang installed, you can skip to
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the next paragraph in order to use the system's toolchain instead.
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The toolchain's build process depends on the following packages: `GNU make`,
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The toolchain's build process depends on the following packages: `GNU make`, `GNU tar`,
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`curl`, `gzip`, `bzip2`, `gcc/clang`, `g++/clang++`.
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Building the toolchain can be accomplished by running:
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@ -91,8 +91,8 @@ paragraph, or `gcc` or `llvm/clang` must also be installed, alongside
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### Configure
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If checking out from the repository, run `./autogen.sh`, else, if using a
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release tarball, run `./configure` directly.
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If checking out from the repository, run `./autogen.sh` (GNU autoconf required),
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else, if using a release tarball, run `./configure` directly.
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Both `./autogen.sh` and `./configure` take arguments and environment variables;
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for more information on these, run `./configure --help`.
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@ -119,7 +119,7 @@ release directory just fine. This step will only install them to a `share` and
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To install Limine, run:
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```bash
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make install
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make install # (or gmake where applicable)
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```
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## How to use
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@ -2,7 +2,9 @@
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set -ex
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srcdir="$(realpath $(dirname "$0"))"
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origdir="$(pwd -P)"
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srcdir="$(dirname "$0")"
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test -z "$srcdir" && srcdir=.
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cd "$srcdir"
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@ -12,6 +14,8 @@ cd "$srcdir"
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autoconf
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cd "$origdir"
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if test -z "$NOCONFIGURE"; then
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exec "$srcdir"/configure "$@"
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fi
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@ -47,8 +47,8 @@ override INTERNAL_LDFLAGS := \
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-static \
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-Tlinker.ld
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override C_FILES := $(shell find -L ./ -type f -name '*.c')
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override ASM_FILES := $(shell find -L ./ -type f -name '*.asm')
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override C_FILES := $(shell find ./ -type f -name '*.c')
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override ASM_FILES := $(shell find ./ -type f -name '*.asm')
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override OBJ := $(addprefix $(call MKESCAPE,$(BUILDDIR))/, $(ASM_FILES:.asm=.o) $(C_FILES:.c=.o))
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override HEADER_DEPS := $(addprefix $(call MKESCAPE,$(BUILDDIR))/, $(C_FILES:.c=.d))
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@ -2,7 +2,7 @@
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set -ex
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srcdir="$(realpath $(dirname "$0"))"
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srcdir="$(dirname "$0")"
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test -z "$srcdir" && srcdir=.
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cd "$srcdir"
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@ -17,6 +17,12 @@ else
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export MAKE=make
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fi
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if command -v gtar; then
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export TAR=gtar
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else
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export TAR=tar
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fi
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export CFLAGS="-O2 -pipe"
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unset CC
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@ -30,9 +36,9 @@ if [ "$(uname)" = "OpenBSD" ]; then
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fi
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mkdir -p toolchain && cd toolchain
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PREFIX="$(pwd)"
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PREFIX="$(pwd -P)"
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export MAKEFLAGS="-j$(nproc 2>/dev/null || sysctl -n hw.ncpu 2>/dev/null || echo 1)"
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export MAKEFLAGS="-j$(nproc 2>/dev/null || sysctl -n hw.ncpu 2>/dev/null || psrinfo -tc 2>/dev/null || echo 1)"
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export PATH="$PREFIX/bin:$PATH"
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@ -47,8 +53,8 @@ rm -rf build
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mkdir build
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cd build
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tar -zxf ../binutils-$BINUTILSVERSION.tar.gz
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tar -zxf ../gcc-$GCCVERSION.tar.gz
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$TAR -zxf ../binutils-$BINUTILSVERSION.tar.gz
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$TAR -zxf ../gcc-$GCCVERSION.tar.gz
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mkdir build-binutils
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cd build-binutils
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@ -58,7 +64,11 @@ $MAKE install
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cd ..
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cd gcc-$GCCVERSION
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contrib/download_prerequisites
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sed 's|http://gcc.gnu|https://gcc.gnu|g' < contrib/download_prerequisites > dp.sed
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mv dp.sed contrib/download_prerequisites
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chmod +x contrib/download_prerequisites
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rm dp.sed
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contrib/download_prerequisites --no-verify
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cd ..
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mkdir build-gcc
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cd build-gcc
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@ -2,7 +2,7 @@ TARGET ?=
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BUILDDIR ?=
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USING_CLANG ?= 0
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override SRCDIR := $(shell pwd)
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override SRCDIR := $(shell pwd -P)
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override SPACE := $(subst ,, )
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@ -150,22 +150,22 @@ endif
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.PHONY: all clean
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override C_FILES := $(shell find -L ./ -type f -name '*.c')
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override C_FILES := $(shell find ./ -type f -name '*.c')
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ifeq ($(TARGET), bios)
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override ASM32_FILES := $(shell find -L ./ -type f -name '*.asm32')
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override ASMB_FILES := $(shell find -L ./ -type f -name '*.asmb')
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override ASM32_FILES := $(shell find ./ -type f -name '*.asm32')
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override ASMB_FILES := $(shell find ./ -type f -name '*.asmb')
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override OBJ := $(addprefix $(call MKESCAPE,$(BUILDDIR))/, $(ASM32_FILES:.asm32=.o) $(ASMB_FILES:.asmb=.o) $(C_FILES:.c=.o))
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endif
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ifeq ($(TARGET), uefi64)
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override ASM64_FILES := $(shell find -L ./ -type f -name '*.asm64')
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override ASM64U_FILES := $(shell find -L ./ -type f -name '*.asm64u')
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override ASM64_FILES := $(shell find ./ -type f -name '*.asm64')
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override ASM64U_FILES := $(shell find ./ -type f -name '*.asm64u')
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override OBJ := $(addprefix $(call MKESCAPE,$(BUILDDIR))/, $(ASM64_FILES:.asm64=.o) $(ASM64U_FILES:.asm64u=.o) $(C_FILES:.c=.o))
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endif
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ifeq ($(TARGET), uefi32)
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override ASM32_FILES := $(shell find -L ./ -type f -name '*.asm32')
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override ASM32U_FILES := $(shell find -L ./ -type f -name '*.asm32u')
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override ASM32_FILES := $(shell find ./ -type f -name '*.asm32')
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override ASM32U_FILES := $(shell find ./ -type f -name '*.asm32u')
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override OBJ := $(addprefix $(call MKESCAPE,$(BUILDDIR))/, $(ASM32_FILES:.asm32=.o) $(ASM32U_FILES:.asm32u=.o) $(C_FILES:.c=.o))
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endif
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