8ae6d8003a
ARM EABI toolchains can optionally use the "hf" suffix to identify hardware floating point support. Use the "*-*-eabi*" pattern to match these toolchains. Original patch by Bryan Hundven for the Crosstool-NG project. Improved by Alexey Neyman. Signed-off-by: Carlos Santos <casantos@datacom.ind.br> CC: Bryan Hundven <bryanhundven@gmail.com CC: Alexey Neyman <stilor@att.net>
98 lines
2.3 KiB
Plaintext
98 lines
2.3 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.59)
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AC_INIT(redboot-crt0.S)
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dnl Support --disable-newlib-supplied-syscalls
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AC_ARG_ENABLE(newlib-supplied-syscalls,
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[ --disable-newlib-supplied-syscalls disable newlib from supplying syscalls],
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[case "${enableval}" in
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yes) newlib_may_supply_syscalls=yes ;;
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no) newlib_may_supply_syscalls=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for newlib-supplied-syscalls option) ;;
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esac], [newlib_may_supply_syscalls=yes])dnl
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if test "x$newlib_may_supply_syscalls" = "xyes"; then
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BUILD_CRT0_TRUE='#'
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BUILD_CRT0_FALSE=
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else
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BUILD_CRT0_TRUE=
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BUILD_CRT0_FALSE='#'
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fi
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AC_SUBST(BUILD_CRT0_TRUE)
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AC_SUBST(BUILD_CRT0_FALSE)
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if test "$srcdir" = "." ; then
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if test "${with_target_subdir}" != "." ; then
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libgloss_topdir="${srcdir}/${with_multisrctop}../../.."
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else
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libgloss_topdir="${srcdir}/${with_multisrctop}../.."
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fi
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else
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libgloss_topdir="${srcdir}/../.."
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fi
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AC_CONFIG_AUX_DIR($libgloss_topdir)
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AC_CANONICAL_SYSTEM
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AC_ARG_PROGRAM
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AC_PROG_INSTALL
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LIB_AC_PROG_CC
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AS=${AS-as}
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AC_SUBST(AS)
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AR=${AR-ar}
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AC_SUBST(AR)
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LD=${LD-ld}
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AC_SUBST(LD)
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AC_PROG_RANLIB
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LIB_AM_PROG_AS
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case "${target}" in
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*-*-elf | *-*-eabi* | *-*-tirtos*)
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objtype=elf-
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;;
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*-*-coff)
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objtype=coff-
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;;
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esac
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AC_SUBST(objtype)
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host_makefile_frag=`cd $srcdir/../config;pwd`/default.mh
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dnl We have to assign the same value to other variables because autoconf
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dnl doesn't provide a mechanism to substitute a replacement keyword with
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dnl arbitrary data or pathnames.
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dnl
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host_makefile_frag_path=$host_makefile_frag
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AC_SUBST(host_makefile_frag_path)
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AC_SUBST_FILE(host_makefile_frag)
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# Configure cpu init plug-ins
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if test -d "${srcdir}/cpu-init"; then
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subdirs="${subdirs} cpu-init"
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AC_CONFIG_FILES(cpu-init/Makefile,
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. ${libgloss_topdir}/config-ml.in,
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srcdir=${srcdir}
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target=${target}
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with_multisubdir=${with_multisubdir}
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ac_configure_args="${ac_configure_args} --enable-multilib"
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CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
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libgloss_topdir=${libgloss_topdir}
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)
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AC_SUBST(subdirs)
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fi
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AC_CONFIG_FILES(Makefile,
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. ${libgloss_topdir}/config-ml.in,
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srcdir=${srcdir}
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target=${target}
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with_multisubdir=${with_multisubdir}
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ac_configure_args="${ac_configure_args} --enable-multilib"
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CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
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libgloss_topdir=${libgloss_topdir}
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)
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AC_OUTPUT
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