libgloss: merge arm configure script up a level

Move the minor arm-specific logic to a dedicated variable so we can
merge its configure logic up a level.

1 files changed, 44 insertions, 163 deletions

diff --git a/libgloss/configure b/libgloss/configure
index 64a6a7bda..8de7e1f15 100755
--- a/libgloss/configure
+++ b/libgloss/configure
@@ -582,7 +582,6 @@ PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
 ac_no_link=no
-enable_option_checking=no
 ac_subst_vars='am__EXEEXT_FALSE
 am__EXEEXT_TRUE
 LTLIBOBJS
@@ -602,6 +601,9 @@ MIPS_PART_SPECIFIC_OBJ
 MCORE_BSP_PREFIX
 M68K_TARGET
 I386_CPPFLAGS
+ARM_OBJTYPE
+ARM_BUILD_CRT0_FALSE
+ARM_BUILD_CRT0_TRUE
 AARCH64_OBJTYPE
 CPP
 RANLIB
@@ -708,7 +710,6 @@ infodir
 docdir
 oldincludedir
 includedir
-runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -732,6 +733,7 @@ ac_subst_files='host_makefile_frag
 target_makefile_frag'
 ac_user_opts='
 enable_option_checking
+enable_newlib_supplied_syscalls
 enable_silent_rules
 enable_maintainer_mode
 enable_dependency_tracking
@@ -748,7 +750,7 @@ CPPFLAGS
 CCAS
 CCASFLAGS
 CPP'
-ac_subdirs_all='arm'
+
 
 # Initialize some variables set by options.
 ac_init_help=
@@ -786,7 +788,6 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
-runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1039,15 +1040,6 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
-  -runstatedir | --runstatedir | --runstatedi | --runstated \
-  | --runstate | --runstat | --runsta | --runst | --runs \
-  | --run | --ru | --r)
-    ac_prev=runstatedir ;;
-  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
-  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
-  | --run=* | --ru=* | --r=*)
-    runstatedir=$ac_optarg ;;
-
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1185,7 +1177,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir runstatedir
+		libdir localedir mandir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1338,7 +1330,6 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
-  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -1378,6 +1369,7 @@ Optional Features:
   --disable-option-checking  ignore unrecognized --enable/--with options
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --disable-newlib-supplied-syscalls disable newlib from supplying syscalls
   --enable-silent-rules   less verbose build output (undo: "make V=1")
   --disable-silent-rules  verbose build output (undo: "make V=0")
   --enable-maintainer-mode
@@ -1948,6 +1940,17 @@ ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 
 
 
+# Check whether --enable-newlib-supplied-syscalls was given.
+if test "${enable_newlib_supplied_syscalls+set}" = set; then :
+  enableval=$enable_newlib_supplied_syscalls; case "${enableval}" in
+  yes) newlib_may_supply_syscalls=yes ;;
+  no)  newlib_may_supply_syscalls=no ;;
+  *)   as_fn_error $? "bad value ${enableval} for newlib-supplied-syscalls option" "$LINENO" 5 ;;
+ esac
+else
+  newlib_may_supply_syscalls=yes
+fi
+
 # Find a good install program.  We prefer a C program (faster),
 # so one script is as good as another.  But avoid the broken or
 # incompatible versions:
@@ -2932,10 +2935,9 @@ case "${target}" in
 	subdirs="$subdirs rx"
 	;;
   arm*-*-elf | arm*-*-coff | arm*-*-*)
+	ac_config_files="$ac_config_files arm/Makefile arm/cpu-init/Makefile"
 
-
-subdirs="$subdirs arm"
-
+	subdirs="$subdirs arm arm/cpu-init"
 	;;
   spu-*-elf)
 	ac_config_files="$ac_config_files spu/Makefile"
@@ -2971,6 +2973,7 @@ subdirs="$subdirs arm"
 	;;
 esac
 
+
    if test x$config_bfin = xtrue; then
   CONFIG_BFIN_TRUE=
   CONFIG_BFIN_FALSE='#'
@@ -4842,6 +4845,27 @@ case "${target}" in
 esac
 
 
+if test "x$newlib_may_supply_syscalls" = "xyes"; then
+  ARM_BUILD_CRT0_TRUE='#'
+  ARM_BUILD_CRT0_FALSE=
+else
+  ARM_BUILD_CRT0_TRUE=
+  ARM_BUILD_CRT0_FALSE='#'
+fi
+
+
+
+ARM_OBJTYPE=
+case "${target}" in
+  *-*-elf | *-*-eabi* | *-*-tirtos*)
+	ARM_OBJTYPE=elf-
+	;;
+  *-*-coff)
+	ARM_OBJTYPE=coff-
+	;;
+esac
+
+
 I386_CPPFLAGS=
 case "${target}" in
   i[3456]86-*-coff)
@@ -5906,6 +5930,8 @@ do
     "msp430/Makefile") CONFIG_FILES="$CONFIG_FILES msp430/Makefile" ;;
     "rl78/Makefile") CONFIG_FILES="$CONFIG_FILES rl78/Makefile" ;;
     "rx/Makefile") CONFIG_FILES="$CONFIG_FILES rx/Makefile" ;;
+    "arm/Makefile") CONFIG_FILES="$CONFIG_FILES arm/Makefile" ;;
+    "arm/cpu-init/Makefile") CONFIG_FILES="$CONFIG_FILES arm/cpu-init/Makefile" ;;
     "spu/Makefile") CONFIG_FILES="$CONFIG_FILES spu/Makefile" ;;
     "tic6x/Makefile") CONFIG_FILES="$CONFIG_FILES tic6x/Makefile" ;;
     "or1k/Makefile") CONFIG_FILES="$CONFIG_FILES or1k/Makefile" ;;
@@ -6691,151 +6717,6 @@ if test "$no_create" != yes; then
   # would make configure fail if this is the last instruction.
   $ac_cs_success || as_fn_exit 1
 fi
-
-#
-# CONFIG_SUBDIRS section.
-#
-if test "$no_recursion" != yes; then
-
-  # Remove --cache-file, --srcdir, and --disable-option-checking arguments
-  # so they do not pile up.
-  ac_sub_configure_args=
-  ac_prev=
-  eval "set x $ac_configure_args"
-  shift
-  for ac_arg
-  do
-    if test -n "$ac_prev"; then
-      ac_prev=
-      continue
-    fi
-    case $ac_arg in
-    -cache-file | --cache-file | --cache-fil | --cache-fi \
-    | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
-      ac_prev=cache_file ;;
-    -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
-    | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* \
-    | --c=*)
-      ;;
-    --config-cache | -C)
-      ;;
-    -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
-      ac_prev=srcdir ;;
-    -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
-      ;;
-    -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
-      ac_prev=prefix ;;
-    -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
-      ;;
-    --disable-option-checking)
-      ;;
-    *)
-      case $ac_arg in
-      *\'*) ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
-      esac
-      as_fn_append ac_sub_configure_args " '$ac_arg'" ;;
-    esac
-  done
-
-  # Always prepend --prefix to ensure using the same prefix
-  # in subdir configurations.
-  ac_arg="--prefix=$prefix"
-  case $ac_arg in
-  *\'*) ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
-  esac
-  ac_sub_configure_args="'$ac_arg' $ac_sub_configure_args"
-
-  # Pass --silent
-  if test "$silent" = yes; then
-    ac_sub_configure_args="--silent $ac_sub_configure_args"
-  fi
-
-  # Always prepend --disable-option-checking to silence warnings, since
-  # different subdirs can have different --enable and --with options.
-  ac_sub_configure_args="--disable-option-checking $ac_sub_configure_args"
-
-  ac_popdir=`pwd`
-  for ac_dir in : $subdirs; do test "x$ac_dir" = x: && continue
-
-    # Do not complain, so a configure script can configure whichever
-    # parts of a large source tree are present.
-    test -d "$srcdir/$ac_dir" || continue
-
-    ac_msg="=== configuring in $ac_dir (`pwd`/$ac_dir)"
-    $as_echo "$as_me:${as_lineno-$LINENO}: $ac_msg" >&5
-    $as_echo "$ac_msg" >&6
-    as_dir="$ac_dir"; as_fn_mkdir_p
-    ac_builddir=.
-
-case "$ac_dir" in
-.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
-*)
-  ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'`
-  # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
-  case $ac_top_builddir_sub in
-  "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
-  *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
-  esac ;;
-esac
-ac_abs_top_builddir=$ac_pwd
-ac_abs_builddir=$ac_pwd$ac_dir_suffix
-# for backward compatibility:
-ac_top_builddir=$ac_top_build_prefix
-
-case $srcdir in
-  .)  # We are building in place.
-    ac_srcdir=.
-    ac_top_srcdir=$ac_top_builddir_sub
-    ac_abs_top_srcdir=$ac_pwd ;;
-  [\\/]* | ?:[\\/]* )  # Absolute name.
-    ac_srcdir=$srcdir$ac_dir_suffix;
-    ac_top_srcdir=$srcdir
-    ac_abs_top_srcdir=$srcdir ;;
-  *) # Relative name.
-    ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix
-    ac_top_srcdir=$ac_top_build_prefix$srcdir
-    ac_abs_top_srcdir=$ac_pwd/$srcdir ;;
-esac
-ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
-
-
-    cd "$ac_dir"
-
-    # Check for guested configure; otherwise get Cygnus style configure.
-    if test -f "$ac_srcdir/configure.gnu"; then
-      ac_sub_configure=$ac_srcdir/configure.gnu
-    elif test -f "$ac_srcdir/configure"; then
-      ac_sub_configure=$ac_srcdir/configure
-    elif test -f "$ac_srcdir/configure.in"; then
-      # This should be Cygnus configure.
-      ac_sub_configure=$ac_aux_dir/configure
-    else
-      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: no configuration information is in $ac_dir" >&5
-$as_echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2;}
-      ac_sub_configure=
-    fi
-
-    # The recursion is here.
-    if test -n "$ac_sub_configure"; then
-      # Make the cache file name correct relative to the subdirectory.
-      case $cache_file in
-      [\\/]* | ?:[\\/]* ) ac_sub_cache_file=$cache_file ;;
-      *) # Relative name.
-	ac_sub_cache_file=$ac_top_build_prefix$cache_file ;;
-      esac
-
-      { $as_echo "$as_me:${as_lineno-$LINENO}: running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir" >&5
-$as_echo "$as_me: running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir" >&6;}
-      # The eval makes quoting arguments work.
-      eval "\$SHELL \"\$ac_sub_configure\" $ac_sub_configure_args \
-	   --cache-file=\"\$ac_sub_cache_file\" --srcdir=\"\$ac_srcdir\"" ||
-	as_fn_error $? "$ac_sub_configure failed for $ac_dir" "$LINENO" 5
-    fi
-
-    cd "$ac_popdir"
-  done
-fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
 $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}