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configure.ac
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configure.ac
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AC_INIT([Limine], m4_esyscmd([./version.sh]), [https://github.com/limine-bootloader/limine/issues], [limine], [https://limine-bootloader.org/])
AC_PREREQ(2.69)
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_SUBDIRS([cross-detect])
SRCDIR="$(cd "$srcdir" && pwd -P)"
BUILDDIR="$(pwd -P)"
AC_SUBST(SRCDIR)
AC_SUBST(BUILDDIR)
test "x$CFLAGS" = "x" && CFLAGS='-g -O2 -pipe -Wall -Wextra'
AC_PROG_CC
werror_state="no"
AC_ARG_ENABLE([werror],
AS_HELP_STRING([--enable-werror], [treat warnings as errors]),
werror_state="$enableval")
if test "$werror_state" = "yes"; then
AC_SUBST(WERROR, [-Werror])
CFLAGS="$CFLAGS -Werror"
fi
AC_PROG_MKDIR_P
case "$MKDIR_P" in
.*) MKDIR_P="$(cd "$(dirname "$MKDIR_P")" && pwd -P)/$(basename "$MKDIR_P")" ;;
esac
AC_PROG_INSTALL
case "$INSTALL" in
.*) INSTALL="$(cd "$(dirname "$INSTALL")" && pwd -P)/$(basename "$INSTALL")" ;;
esac
AC_PROG_SED
AC_PROG_GREP
AC_PROG_AWK
AC_CHECK_PROG([FIND_FOUND], [find], [yes])
if ! test "x$FIND_FOUND" = "xyes"; then
AC_MSG_ERROR([find not found, please install find before configuring])
fi
rm -rf "$BUILDDIR/cross-files"
BUILD_ALL="no"
AC_ARG_ENABLE([all],
AS_HELP_STRING([--enable-all], [enable ALL options]),
BUILD_ALL="$enableval")
BUILD_CD="$BUILD_ALL"
AC_ARG_ENABLE([bios-cd],
AS_HELP_STRING([--enable-bios-cd], [enable building the x86 BIOS CD image]),
BUILD_CD="$enableval")
AC_SUBST(BUILD_CD)
BUILD_PXE="$BUILD_ALL"
AC_ARG_ENABLE([bios-pxe],
AS_HELP_STRING([--enable-bios-pxe], [enable building the x86 BIOS PXE image]),
BUILD_PXE="$enableval")
AC_SUBST(BUILD_PXE)
BUILD_BIOS="$BUILD_ALL"
AC_ARG_ENABLE([bios],
AS_HELP_STRING([--enable-bios], [enable building the x86 BIOS port]),
BUILD_BIOS="$enableval")
BUILD_LIMINE_DEPLOY="$BUILD_BIOS"
if test "x$BUILD_BIOS" = "xno"; then
if test "x$BUILD_CD" = "xyes"; then
BUILD_BIOS="yes"
fi
if test "x$BUILD_PXE" = "xyes"; then
BUILD_BIOS="yes"
fi
fi
if test "x$BUILD_BIOS" = "xno"; then
BUILD_BIOS=""
else
(
$MKDIR_P "$BUILDDIR/cross-files"
cd "$BUILDDIR/cross-files"
TRIPLET=i686-elf WANT_CROSS_LD=yes WANT_CROSS_OBJCOPY=yes WANT_CROSS_OBJDUMP=yes WANT_CROSS_READELF=yes "$SRCDIR/cross-detect/configure"
) || exit 1
BUILD_BIOS="limine-bios"
NEED_NASM=yes
NEED_GZIP=yes
fi
AC_SUBST(BUILD_BIOS)
AC_SUBST(BUILD_LIMINE_DEPLOY)
BUILD_UEFI_IA32="$BUILD_ALL"
AC_ARG_ENABLE([uefi-ia32],
AS_HELP_STRING([--enable-uefi-ia32], [enable building the IA-32 UEFI port]),
BUILD_UEFI_IA32="$enableval")
if test "x$BUILD_UEFI_IA32" = "xno"; then
BUILD_UEFI_IA32=""
else
(
$MKDIR_P "$BUILDDIR/cross-files"
cd "$BUILDDIR/cross-files"
TRIPLET=i686-elf WANT_CROSS_LD=yes WANT_CROSS_OBJCOPY=yes WANT_CROSS_OBJDUMP=yes "$SRCDIR/cross-detect/configure"
) || exit 1
BUILD_UEFI_IA32="limine-uefi-ia32"
NEED_NASM=yes
fi
AC_SUBST(BUILD_UEFI_IA32)
BUILD_UEFI_X86_64="$BUILD_ALL"
AC_ARG_ENABLE([uefi-x86-64],
AS_HELP_STRING([--enable-uefi-x86-64], [enable building the x86-64 UEFI port]),
BUILD_UEFI_X86_64="$enableval")
if test "x$BUILD_UEFI_X86_64" = "xno"; then
BUILD_UEFI_X86_64=""
else
(
$MKDIR_P "$BUILDDIR/cross-files"
cd "$BUILDDIR/cross-files"
TRIPLET=x86_64-elf WANT_CROSS_LD=yes WANT_CROSS_OBJCOPY=yes WANT_CROSS_OBJDUMP=yes "$SRCDIR/cross-detect/configure"
) || exit 1
BUILD_UEFI_X86_64="limine-uefi-x86-64"
NEED_NASM=yes
fi
AC_SUBST(BUILD_UEFI_X86_64)
BUILD_UEFI_AARCH64="$BUILD_ALL"
AC_ARG_ENABLE([uefi-aarch64],
AS_HELP_STRING([--enable-uefi-aarch64], [enable building the aarch64 UEFI port]),
BUILD_UEFI_AARCH64="$enableval")
if test "x$BUILD_UEFI_AARCH64" = "xno"; then
BUILD_UEFI_AARCH64=""
else
(
mkdir -p "$BUILDDIR/cross-files"
cd "$BUILDDIR/cross-files"
TRIPLET=aarch64-elf WANT_CROSS_LD=yes WANT_CROSS_OBJCOPY=yes WANT_CROSS_OBJDUMP=yes "$SRCDIR/cross-detect/configure"
) || exit 1
BUILD_UEFI_AARCH64="limine-uefi-aarch64"
fi
AC_SUBST(BUILD_UEFI_AARCH64)
BUILD_CD_EFI="$BUILD_ALL"
AC_ARG_ENABLE([uefi-cd],
AS_HELP_STRING([--enable-uefi-cd], [enable building limine-cd-efi.bin]),
BUILD_CD_EFI="$enableval")
if ! test "x$BUILD_CD_EFI" = "xno"; then
AC_CHECK_PROG([MTOOLS_FOUND], [mcopy], [yes])
if ! test "x$MTOOLS_FOUND" = "xyes"; then
if test "x$BUILD_CD_EFI" = "xyes"; then
AC_MSG_ERROR([mtools not found, install mtools to build limine-cd-efi.bin])
fi
AC_MSG_WARN([mtools not found, install mtools to build limine-cd-efi.bin])
BUILD_CD_EFI="no"
fi
fi
AC_SUBST(BUILD_CD_EFI)
if test "x$NEED_NASM" = "xyes"; then
AC_CHECK_PROG([NASM_FOUND], [nasm], [yes])
if ! test "x$NASM_FOUND" = "xyes"; then
AC_MSG_ERROR([nasm not found, please install nasm before configuring])
fi
fi
if test "x$NEED_GZIP" = "xyes"; then
AC_CHECK_PROG([GZIP_FOUND], [gzip], [yes])
if ! test "x$GZIP_FOUND" = "xyes"; then
AC_MSG_ERROR([gzip not found, please install gzip before configuring])
fi
fi
AC_ARG_VAR(CROSS_TOOLCHAIN, [alternative toolchain prefix for Limine (or 'llvm')])
AC_ARG_VAR(CROSS_CC, [C compiler command for Limine])
AC_ARG_VAR(CROSS_LD, [linker command for Limine])
AC_ARG_VAR(CROSS_OBJCOPY, [objcopy command for Limine])
AC_ARG_VAR(CROSS_OBJDUMP, [objdump command for Limine])
AC_ARG_VAR(CROSS_READELF, [readelf command for Limine])
m4_define([DEFAULT_CROSS_CFLAGS], [-g -O2 -pipe -Wall -Wextra])
AC_ARG_VAR(CROSS_CFLAGS, [C flags for Limine @<:@default: ]DEFAULT_CROSS_CFLAGS[@:>@])
test "x$CROSS_CFLAGS" = "x" && CROSS_CFLAGS="DEFAULT_CROSS_CFLAGS"
m4_define([DEFAULT_CROSS_LDFLAGS], [])
AC_ARG_VAR(CROSS_LDFLAGS, [Linker flags for Limine @<:@default: ]DEFAULT_CROSS_LDFLAGS[@:>@])
test "x$CROSS_LDFLAGS" = "x" && CROSS_LDFLAGS="DEFAULT_CROSS_LDFLAGS"
LIMINE_COPYRIGHT=$($GREP Copyright "$SRCDIR/LICENSE.md")
AC_SUBST(LIMINE_COPYRIGHT)
AC_PREFIX_DEFAULT(/usr/local)
AC_CONFIG_FILES(GNUmakefile config.h)
AC_OUTPUT