diff options
Diffstat (limited to 'contrib/gcc/mkconfig.sh')
| -rw-r--r-- | contrib/gcc/mkconfig.sh | 116 |
1 files changed, 58 insertions, 58 deletions
diff --git a/contrib/gcc/mkconfig.sh b/contrib/gcc/mkconfig.sh index cc87ccb..70d9a23 100644 --- a/contrib/gcc/mkconfig.sh +++ b/contrib/gcc/mkconfig.sh @@ -1,26 +1,54 @@ #! /bin/sh -# Generate gcc's config.h, which is not your normal autoconf-generated -# config.h (that's auto-(host|build).h). $1 is the file to generate. -# TM_DEFINES, HEADERS, XM_DEFINES, and possibly TARGET_CPU_DEFAULT are -# expected to be set in the environment. +# Copyright (C) 2001, 2002 Free Software Foundation, Inc. +# This file is part of GCC. + +# GCC is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# GCC is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with GCC; see the file COPYING. If not, write to +# the Free Software Foundation, 59 Temple Place - Suite 330, +# Boston MA 02111-1307, USA. + + +# Generate gcc's various configuration headers: +# config.h, tconfig.h, bconfig.h, tm.h, and tm_p.h. +# $1 is the file to generate. DEFINES, HEADERS, and possibly +# TARGET_CPU_DEFAULT are expected to be set in the environment. if [ -z "$1" ]; then - echo "Usage: TM_DEFINES='list' HEADERS='list' XM_DEFINES='list' mkconfig.sh FILE" >&2 + echo "Usage: DEFINES='list' HEADERS='list' \\" >&2 + echo " [TARGET_CPU_DEFAULT='default'] mkconfig.sh FILE" >&2 exit 1 fi output=$1 rm -f ${output}T +# This converts a file name into header guard macro format. +hg_sed_expr='y,abcdefghijklmnopqrstuvwxyz./,ABCDEFGHIJKLMNOPQRSTUVWXYZ__,' +header_guard=GCC_`echo ${output} | sed -e ${hg_sed_expr}` + +# Add multiple inclusion protection guard, part one. +echo "#ifndef ${header_guard}" >> ${output}T +echo "#define ${header_guard}" >> ${output}T + # Define TARGET_CPU_DEFAULT if the system wants one. # This substitutes for lots of *.h files. if [ "$TARGET_CPU_DEFAULT" != "" ]; then echo "#define TARGET_CPU_DEFAULT ($TARGET_CPU_DEFAULT)" >> ${output}T fi -# Provide defines for other target machine macros to be used everywhere. -for def in $TM_DEFINES; do +# Provide defines for other macros set in config.gcc for this file. +for def in $DEFINES; do echo "#ifndef $def" | sed 's/=.*//' >> ${output}T echo "# define $def" | sed 's/=/ /' >> ${output}T echo "#endif" >> ${output}T @@ -29,66 +57,35 @@ done # The first entry in HEADERS may be auto-host.h or auto-build.h; # it wants to be included even when not -DIN_GCC. if [ -n "$HEADERS" ]; then - set $HEADERS; first=$1 - case $first in auto-* ) - echo "#include \"$first\"" >> ${output}T + set $HEADERS + case "$1" in auto-* ) + echo "#include \"$1\"" >> ${output}T shift - HEADERS=$* ;; esac + if [ $# -ge 1 ]; then + echo '#ifdef IN_GCC' >> ${output}T + for file in "$@"; do + echo "# include \"$file\"" >> ${output}T + done + echo '#endif' >> ${output}T + fi fi -# Provide three core typedefs used by everything, if we are compiling -# GCC. These used to be found in rtl.h and tree.h, but this is no -# longer practical. Providing these in config.h/tconfig.h/hconfig.h -# rather than system.h allows the typedefs to be used anywhere in GCC. -case $output in - *config.h | *hconfig.h | *tconfig.h) - cat >> ${output}T <<EOF -#ifdef IN_GCC -/* Provide three core typedefs used by everything, if we are compiling - GCC. These used to be found in rtl.h and tree.h, but this is no - longer practical. Providing these here rather that system.h allows - the typedefs to be used everywhere within GCC. */ -struct rtx_def; -typedef struct rtx_def *rtx; -struct rtvec_def; -typedef struct rtvec_def *rtvec; -union tree_node; -typedef union tree_node *tree; -#endif -#define GTY(x) -EOF - ;; -esac - -if [ -n "$HEADERS" ]; then - echo '#ifdef IN_GCC' >> ${output}T - for file in $HEADERS; do - echo "# include \"$file\"" >> ${output}T - done - echo '#endif' >> ${output}T -fi - -for def in $XM_DEFINES; do - echo "#ifndef $def" | sed 's/=.*//' >> ${output}T - echo "# define $def" | sed 's/=/ /' >> ${output}T - echo "#endif" >> ${output}T -done +# If this is tconfig.h, now define USED_FOR_TARGET. If this is tm.h, +# now include insn-constants.h and insn-flags.h only if IN_GCC is +# defined but neither GENERATOR_FILE nor USED_FOR_TARGET is defined. +# (Much of this is temporary.) -# If this is tm_p.h, include tm-preds.h unconditionally. -# If this is tconfig.h or hconfig.h, include no more files. -# Otherwise, include insn-constants.h and insn-flags.h, -# but only if GENERATOR_FILE is not defined. case $output in - *tm_p.h) - echo "#include \"tm-preds.h\"" >> ${output}T - ;; - *tconfig.h | *hconfig.h) + tconfig.h ) + cat >> ${output}T <<EOF +#define USED_FOR_TARGET +EOF ;; - *) + tm.h ) cat >> ${output}T <<EOF -#ifndef GENERATOR_FILE +#if defined IN_GCC && !defined GENERATOR_FILE && !defined USED_FOR_TARGET # include "insn-constants.h" # include "insn-flags.h" #endif @@ -96,6 +93,9 @@ EOF ;; esac +# Add multiple inclusion protection guard, part two. +echo "#endif /* ${header_guard} */" >> ${output}T + # Avoid changing the actual file if possible. if [ -f $output ] && cmp ${output}T $output >/dev/null 2>&1; then echo $output is unchanged >&2 |
