source: tools/build/cfa.m4 @ a0dbf20

m4_define([M4CFA_PARSE_PREFIX], [
        if test "x$prefix" = "xNONE"; then
                cfa_prefix=${ac_default_prefix}
        else
                cfa_prefix=${prefix}
        fi
        cfa_prefix="$(readlink -m ${cfa_prefix})/"
        AC_DEFINE_UNQUOTED(CFA_PREFIX, "${cfa_prefix}", [Location of cfa install.])
        AC_SUBST(CFA_PREFIX, ${cfa_prefix})

        if test "$includedir" = '${prefix}/include'; then
                cfa_incdir="${cfa_prefix}include/${cfa_name}"
        else
                cfa_incdir=${includedir}
        fi
        cfa_incdir="$(readlink -m ${cfa_incdir})/"
        AC_DEFINE_UNQUOTED(CFA_INCDIR, "${cfa_incdir}", [Location of include files.])
        AC_SUBST(CFA_INCDIR, ${cfa_incdir})

        if test "$bindir" = '${exec_prefix}/bin'; then
                cfa_bindir="${cfa_prefix}bin"
        else
                cfa_bindir=${bindir}
        fi
        cfa_bindir="$(readlink -m ${cfa_bindir})/"
        AC_DEFINE_UNQUOTED(CFA_BINDIR, "${cfa_bindir}", [Location of cfa command.])
        AC_SUBST(CFA_BINDIR, ${cfa_bindir})

        if test "$libdir" = '${exec_prefix}/lib'; then
                if test "${ARCHITECTURE}" != ""; then
                        cfa_libdir="${cfa_prefix}lib/${cfa_name}/${ARCHITECTURE}-${CONFIGURATION}/"
                else
                        cfa_libdir="${cfa_prefix}lib/${cfa_name}/"
                fi
        else
                cfa_libdir="${libdir}/${ARCHITECTURE}${CONFIGURATION}"
        fi
        cfa_libdir="$(readlink -m ${cfa_libdir})/"
        AC_DEFINE_UNQUOTED(CFA_LIBDIR, "${cfa_libdir}", [Location of cc1 and cfa-cpp commands.])
        AC_SUBST(CFA_LIBDIR, ${cfa_libdir})
])

m4_define([M4CFA_PROGRAM_NAME], [
        if test "${program_transform_name}" = ""; then
        AC_MSG_ERROR([Program transform not supported.
                        Use --with-cfa-name='[[Desired name here]]' instead])
        fi

        #Define the new name of the installed command
        AC_ARG_WITH(cfa-name,
                [  --with-cfa-name=NAME     NAME too which cfa will be installed],
                cfa_name=$withval, cfa_name="cfa")

        AC_SUBST(CFA_NAME, ${cfa_name})
])

AC_DEFUN([M4CFA_CANNON_CPU], [
        case $1 in
                "host") arch_name=${host_cpu};;
                *) arch_name=$1;;
        esac

        case $arch_name in
                "x64"        ) cannon_arch_name="x64";;
                "x86-64"     ) cannon_arch_name="x64";;
                "x86_64"     ) cannon_arch_name="x64";;
                "aarch64"    ) cannon_arch_name="arm64";;
                "arm4"       ) cannon_arch_name="arm64";;
                "ARM64"      ) cannon_arch_name="arm64";;
                "x86"        ) cannon_arch_name="x86";;
                "i386"       ) cannon_arch_name="x86";;
                "i486"       ) cannon_arch_name="x86";;
                "i686"       ) cannon_arch_name="x86";;
                "Intel 80386") cannon_arch_name="x86";;
                "arm"        ) cannon_arch_name="arm32";;
                "ARM"        ) cannon_arch_name="arm32";;
                "arm32"      ) cannon_arch_name="arm32";;
                "ARM32"      ) cannon_arch_name="arm32";;
                "armv7l"     ) cannon_arch_name="arm32";;
                *)
                >&2 echo "Unknown architecture " $arch_name;
                exit 1
                ;;
        esac
])

# http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=blob_plain;f=m4/ax_check_compile_flag.m4
AC_DEFUN([M4CFA_CHECK_COMPILE_FLAG],
[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
AS_VAR_PUSHDEF([CACHEVAR],[m4cfa_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
        m4cfa_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
        _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
        AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
                [AS_VAR_SET(CACHEVAR,[yes])],
                [AS_VAR_SET(CACHEVAR,[no])])
        _AC_LANG_PREFIX[]FLAGS=$m4cfa_check_save_flags])
AS_VAR_IF(CACHEVAR,yes,
        [m4_default([$2], :)],
        [m4_default([$3], :)])
AS_VAR_POPDEF([CACHEVAR])dnl
])dnl M4CFA_CHECK_COMPILE_FLAGS