limine/configure.ac
2022-02-01 08:04:55 +01:00

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AC_INIT([Limine], m4_esyscmd([./version.sh]), [https://github.com/limine-bootloader/limine/issues], [limine])
AC_PREREQ(2.69)
AC_CONFIG_AUX_DIR([build-aux])
TOOLCHAIN_DIR="$(pwd -P)/toolchain/bin"
PATH="$TOOLCHAIN_DIR$PATH_SEPARATOR/usr/local/bin$PATH_SEPARATOR$PATH"
export PATH
test "x$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="$CFLAGS -Werror"
fi
AC_PROG_INSTALL
AC_PROG_GREP
AC_PROG_SED
AC_PROG_AWK
AC_CHECK_PROG([FIND_FOUND], [find], [yes])
if ! test "x$FIND_FOUND" = "xyes"; then
AC_MSG_ERROR([find not found, please install find before configuring])
fi
AC_CHECK_PROG([NASM_FOUND], [nasm], [yes])
if ! test "x$NASM_FOUND" = "xyes"; then
AC_MSG_ERROR([nasm not found, please install nasm before configuring])
fi
AC_CHECK_PROG([GZIP_FOUND], [gzip], [yes])
if ! test "x$GZIP_FOUND" = "xyes"; then
AC_MSG_ERROR([gzip not found, please install gzip before configuring])
fi
AC_CHECK_PROG([MTOOLS_FOUND], [mcopy], [yes])
if ! test "x$MTOOLS_FOUND" = "xyes"; then
AC_MSG_WARN([mtools not found, install mtools to build limine-eltorito-efi.bin])
fi
AC_ARG_VAR(HOST_CC, [C compiler for the build host [default: $CC]])
test "x$HOST_CC" = "x" && HOST_CC="$CC"
AC_ARG_VAR(TOOLCHAIN, [Alternative toolchain prefix [default: limine]])
test "x$TOOLCHAIN" = "x" && TOOLCHAIN='limine'
AC_ARG_VAR(LIMINE_CC, [C compiler command for Limine [default: $TOOLCHAIN-gcc]])
if ! test "x$LIMINE_CC" = "x"; then
AC_CHECK_PROG([LIMINE_CC_0], [$LIMINE_CC], [yes])
if ! test "x$LIMINE_CC_0" = "xyes"; then
AC_MSG_ERROR([LIMINE_CC ($LIMINE_CC) not found])
fi
else
LIMINE_CC="$TOOLCHAIN-gcc"
AC_CHECK_PROG([LIMINE_CC_1], [$LIMINE_CC], [yes])
if ! test "x$LIMINE_CC_1" = "xyes"; then
LIMINE_CC="$CC"
AC_CHECK_PROG([LIMINE_CC_2], [$LIMINE_CC], [yes])
if ! test "x$LIMINE_CC_2" = "xyes"; then
AC_MSG_ERROR([no suitable LIMINE_CC found, run $srcdir/make_toolchain.sh or install x86_64 GCC/Clang])
fi
fi
fi
CC_MACHINE="$($LIMINE_CC -dumpmachine | dd bs=6 count=1 2>/dev/null)"
if ! test "x$CC_MACHINE" = "xx86_64"; then
if ! test "x$CC_MACHINE" = "xamd64-"; then
AC_MSG_ERROR([no suitable LIMINE_CC found, run $srcdir/make_toolchain.sh or install x86_64 GCC/Clang])
fi
fi
AC_DEFUN([GET_BINUTILS_PROG], [
AC_ARG_VAR(LIMINE_$1, [$3 command for Limine [default: $TOOLCHAIN-$2]])
if ! test "x$LIMINE_$1" = "x"; then
AC_CHECK_PROG([LIMINE_$1_0], [$LIMINE_$1], [yes])
if ! test "x$LIMINE_$1_0" = "xyes" || ! $LIMINE_$1 --version | grep 'GNU Binutils' >/dev/null; then
AC_MSG_ERROR([LIMINE_$1 ($LIMINE_$1) is not a suitable $3])
fi
else
LIMINE_$1="$TOOLCHAIN-$2"
AC_CHECK_PROG([LIMINE_$1_1], [$LIMINE_$1], [yes])
if ! test "x$LIMINE_$1_1" = "xyes" || ! $LIMINE_$1 --version | grep 'GNU Binutils' >/dev/null; then
LIMINE_$1='g$2'
AC_CHECK_PROG([LIMINE_$1_2], [$LIMINE_$1], [yes])
if ! test "x$LIMINE_$1_2" = "xyes" || ! $LIMINE_$1 --version | grep 'GNU Binutils' >/dev/null; then
LIMINE_$1='$2'
AC_CHECK_PROG([LIMINE_$1_3], [$LIMINE_$1], [yes])
if ! test "x$LIMINE_$1_3" = "xyes" || ! $LIMINE_$1 --version | grep 'GNU Binutils' >/dev/null; then
AC_MSG_ERROR([no suitable LIMINE_$1 found, run $srcdir/make_toolchain.sh or install GNU binutils])
fi
fi
fi
fi
])
GET_BINUTILS_PROG(LD, ld, Linker)
GET_BINUTILS_PROG(AR, ar, Archiver)
GET_BINUTILS_PROG(AS, as, Assembler)
GET_BINUTILS_PROG(OBJCOPY, objcopy, Objcopy)
GET_BINUTILS_PROG(OBJDUMP, objdump, Objdump)
GET_BINUTILS_PROG(READELF, readelf, Readelf)
AC_ARG_VAR(LIMINE_CFLAGS, [C flags for Limine [default: -O3 -pipe -Wall -Wextra]])
test "x$LIMINE_CFLAGS" = "x" && LIMINE_CFLAGS='-O3 -pipe -Wall -Wextra'
AC_ARG_VAR(LIMINE_LDFLAGS, [Linker flags for Limine [default: ]])
test "x$LIMINE_LDFLAGS" = "x" && LIMINE_LDFLAGS=' '
AC_SUBST(limine_version, m4_esyscmd([./version.sh]))
AC_PREFIX_DEFAULT(/usr/local)
AC_CONFIG_FILES(GNUmakefile)
AC_OUTPUT