131 lines
3.8 KiB
Plaintext
131 lines
3.8 KiB
Plaintext
AC_INIT([Limine], m4_esyscmd([../version.sh]), [https://github.com/limine-bootloader/limine/issues], [limine], [https://limine-bootloader.org/])
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AC_PREREQ(2.69)
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BUILDDIR="$(pwd -P)"
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if test -f "$BUILDDIR/$ARCHITECTURE-toolchain.mk"; then
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exit 0
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fi
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AC_PROG_GREP
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ENFORCE_TOOLCHAIN=no
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if test "x$TOOLCHAIN" = "x"; then
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TOOLCHAIN=$ARCHITECTURE-elf
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else
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ENFORCE_TOOLCHAIN=yes
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fi
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AC_DEFUN([CC_ERROR_MSG], [
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AC_MSG_ERROR([no suitable LIMINE_CC found, run $srcdir/make_toolchain.sh or install the appropriate GCC/Clang])
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])
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if ! test "x$LIMINE_CC" = "x"; then
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AC_CHECK_PROG([LIMINE_CC_0], [$LIMINE_CC], [yes])
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if ! test "x$LIMINE_CC_0" = "xyes"; then
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AC_MSG_ERROR([LIMINE_CC ($LIMINE_CC) not found])
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fi
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else
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if test "$TOOLCHAIN" = 'llvm'; then
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LIMINE_CC='clang'
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else
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LIMINE_CC="$TOOLCHAIN-gcc"
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fi
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AC_CHECK_PROG([LIMINE_CC_1], [$LIMINE_CC], [yes])
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if ! test "x$LIMINE_CC_1" = "xyes"; then
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if test "x$ENFORCE_TOOLCHAIN" = "xyes"; then
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CC_ERROR_MSG
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fi
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LIMINE_CC="clang"
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AC_CHECK_PROG([LIMINE_CC_2], [$LIMINE_CC], [yes])
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if ! test "x$LIMINE_CC_2" = "xyes"; then
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LIMINE_CC="gcc"
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AC_CHECK_PROG([LIMINE_CC_3], [$LIMINE_CC], [yes])
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if ! test "x$LIMINE_CC_3" = "xyes"; then
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LIMINE_CC="cc"
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AC_CHECK_PROG([LIMINE_CC_4], [$LIMINE_CC], [yes])
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if ! test "x$LIMINE_CC_4" = "xyes"; then
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CC_ERROR_MSG
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fi
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fi
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fi
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fi
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fi
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AC_SUBST(LIMINE_CC, $LIMINE_CC)
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if ! $LIMINE_CC --version >/dev/null 2>&1; then
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CC_ERROR_MSG
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fi
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if $LIMINE_CC --version | $GREP clang >/dev/null 2>&1; then
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LIMINE_CC="$LIMINE_CC --target=$ARCHITECTURE-elf"
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elif $LIMINE_CC --version | $GREP 'Free Software Foundation' >/dev/null 2>&1; then
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true
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else
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CC_ERROR_MSG
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fi
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if ! $LIMINE_CC -dumpmachine >/dev/null 2>&1; then
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CC_ERROR_MSG
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fi
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CC_MACHINE="$($LIMINE_CC -dumpmachine | dd bs=${#ARCHITECTURE} count=1 2>/dev/null)"
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if test "x$CC_MACHINE" = "xx86_"; then
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case "$ARCHITECTURE" in
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i?86)
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CC_MACHINE="$ARCHITECTURE"
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;;
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*)
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;;
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esac
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fi
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if ! test "x$CC_MACHINE" = "x$ARCHITECTURE"; then
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CC_ERROR_MSG
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fi
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AC_DEFUN([GET_BINUTILS_PROG], [
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if ! test "x$LIMINE_$1" = "x"; then
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AC_CHECK_PROG([LIMINE_$1_0], [$LIMINE_$1], [yes])
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if ! test "x$LIMINE_$1_0" = "xyes"; then
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AC_MSG_ERROR([LIMINE_$1 ($LIMINE_$1) not found])
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fi
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else
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if test "$TOOLCHAIN" = 'llvm' && test '$2' = 'ld'; then
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LIMINE_$1='ld.lld'
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else
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LIMINE_$1="$TOOLCHAIN-$2"
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fi
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AC_CHECK_PROG([LIMINE_$1_1], [$LIMINE_$1], [yes])
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if ! test "x$LIMINE_$1_1" = "xyes"; then
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if test "x$ENFORCE_TOOLCHAIN" = "xyes"; then
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AC_MSG_ERROR([LIMINE_$1 ($LIMINE_$1) not found])
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fi
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if test '$2' = 'ld'; then
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LIMINE_$1='ld.lld'
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else
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LIMINE_$1='llvm-$2'
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fi
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AC_CHECK_PROG([LIMINE_$1_2], [$LIMINE_$1], [yes])
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if ! test "x$LIMINE_$1_2" = "xyes"; then
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LIMINE_$1='$2'
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AC_CHECK_PROG([LIMINE_$1_3], [$LIMINE_$1], [yes])
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if ! test "x$LIMINE_$1_3" = "xyes"; then
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AC_MSG_ERROR([no suitable LIMINE_$1 found, run $srcdir/make_toolchain.sh or install the appropriate LLVM/GNU binutils])
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fi
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fi
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fi
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fi
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AC_SUBST(LIMINE_$1, $LIMINE_$1)
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])
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GET_BINUTILS_PROG(LD, ld, linker)
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GET_BINUTILS_PROG(OBJCOPY, objcopy, objcopy)
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GET_BINUTILS_PROG(OBJDUMP, objdump, objdump)
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GET_BINUTILS_PROG(READELF, readelf, readelf)
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AC_CONFIG_FILES([$ARCHITECTURE-toolchain.mk:toolchain.mk.in])
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AC_OUTPUT
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