NetBSD/tools/gcc/mknative-gcc
2003-08-22 00:24:46 +00:00

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#!/bin/sh
# $NetBSD: mknative-gcc,v 1.7 2003/08/22 00:24:46 mrg Exp $
#
# Shell script for generating all the constants needed for a native
# platform build of src/gnu/dist/toolchain.
#
bomb () {
echo >&1 "ABORT: $*"
exit 1
}
# usage: getvars MAKEFILE VARNAME [VARNAME...]
getvars () {
_mf="$1"; shift
$MAKE -f - _x_ <<EOF || bomb "getvars $_mf $* failed"
_x_:
.for var in $*
@echo G_\${var}=\${\${var}:Q} | sed 's,$_VPATH,\$\${GNUHOSTDIST},g'
.endfor
.include "$_TMPDIR/$_mf"
EOF
}
# usage: write_c FILENAME
write_c () {
echo '/* This file is automatically generated. DO NOT EDIT! */' >$_TOP/$1.tmp || \
bomb "cannot create $1"
grep '$''NetBSD' $0 | sed 's,[#$],,g;s,.*,/* Generated from: & */,' >>$_TOP/$1.tmp
echo '' >>$_TOP/$1.tmp
writefile $1
}
# usage: write_mk FILENAME
write_mk () {
echo '# This file is automatically generated. DO NOT EDIT!' >$_TOP/$1.tmp || \
bomb "cannot create $1"
grep '$''NetBSD' $0 | sed 's,[#$],,g;s,.*,# Generated from: &,' >>$_TOP/$1.tmp
echo '#' >>$_TOP/$1.tmp
writefile $1
}
writefile () {
sed -e 's,netbsd\(elf\)*1[0-9\.]*\(_\)*[A-Z]*,netbsd\1,' \
-e 's,^/\* #undef HAVE_MMAP \*/$,#define HAVE_MMAP 1,' >>$_TOP/$1.tmp
# Compare new file, sans "generated from" comments and RCS Id, to
# old file. If they match, don't change anything.
rm -f $_TMPDIR/.1 $_TMPDIR/.2
grep -v 'Generated from:' $_TOP/$1 >$_TMPDIR/.1 2>/dev/null
grep -v 'Generated from:' $_TOP/$1.tmp >$_TMPDIR/.2
# will not overwrite a file that has the same content
if cmp $_TMPDIR/.1 $_TMPDIR/.2 >/dev/null 2>&1; then
rm -f $_TOP/$1.tmp
else
echo >&2 "$1 changed"
mv -f $_TOP/$1.tmp $_TOP/$1
fi
}
##### gnu/lib/libg2c #####
get_libg2c () {
mkdir -p $_TOP/gnu/lib/libg2c3/arch/$MACHINE_ARCH
write_c gnu/lib/libg2c3/arch/$MACHINE_ARCH/config.h <$_TMPDIR/$_PLATFORM/libf2c/libU77/config.h
write_c gnu/lib/libg2c3/arch/$MACHINE_ARCH/g2c.h <$_TMPDIR/$_PLATFORM/libf2c/g2c.h
{
getvars $_PLATFORM/libf2c/Makefile \
F2CEXT
getvars $_PLATFORM/libf2c/libF77/Makefile \
ALL_CFLAGS OBJS
getvars $_PLATFORM/libf2c/libI77/Makefile \
ALL_CFLAGS OBJS | sed 's,=,+=,'
getvars $_PLATFORM/libf2c/libU77/Makefile \
ALL_CFLAGS OBJS | sed 's,=,+=,'
} | write_mk gnu/lib/libg2c3/arch/$MACHINE_ARCH/defs.mk
}
##### gnu/lib/libgcc #####
get_libgcc () {
mkdir -p $_TOP/gnu/lib/libgcc3
# DPBIT, FPBIT only used on mn10[23]00, we don't need them.
# XXX we should probably grab everything Just In Case for
# the future.
getvars gcc/Makefile \
CXX_EXTRA_HEADERS CXX_LIB2FUNCS CXX_LIB2SRCS \
INCLUDES LIB2ADD LIB2ADDEH LIB2FUNCS_1 LIB2FUNCS_2 \
LIB2_DIVMOD_FUNCS LIB2FUNCS_ST \
LIBGCC2_CFLAGS MAYBE_USE_COLLECT2 \
tm_defines xm_file xm_defines \
| write_mk gnu/lib/libgcc3/$MACHINE_ARCH.mk
}
##### gnu/usr.bin/gcc3/libiberty #####
get_gcc3_libiberty () {
mkdir -p $_TOP/gnu/usr.bin/gcc3/libiberty/arch/$MACHINE_ARCH
getvars libiberty/Makefile \
ALLOCA EXTRA_OFILES LIBOBJS REQUIRED_OFILES \
| write_mk gnu/usr.bin/gcc3/libiberty/defs.mk
write_c gnu/usr.bin/gcc3/libiberty/arch/$MACHINE_ARCH/config.h \
<$_TMPDIR/libiberty/config.h
}
##### gnu/lib/libobjc #####
get_libobjc () {
mkdir -p $_TOP/gnu/lib/libobjc3
getvars $_PLATFORM/libobjc/Makefile \
ALL_CFLAGS INCLUDES OBJS OBJC_H \
| sed "s,$_GNU_DIST,\${GNUHOSTDIST},g" \
| write_mk gnu/lib/libobjc3/defs.mk
}
##### gnu/lib/libstdc++-v3 #####
get_libstdcxx_v3 () {
mkdir -p $_TOP/gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH
# build files
for h in gthr.h gthr-single.h gthr-posix.h gthr-default.h c++config.h; do
write_c gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH/$h \
<$_TMPDIR/$_PLATFORM/libstdc++-v3/include/$_PLATFORM/bits/$h
done
write_c gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH/config.h \
<$_TMPDIR/$_PLATFORM/libstdc++-v3/config.h
{
# libmath
getvars $_PLATFORM/libstdc++-v3/libmath/Makefile \
libmath_la_SOURCES libmath_la_LIBADD
# libsupc++
getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
sources | sed 's/^G_sources=/G_LIBSUPCXX_SOURCES=/'
getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
c_sources | sed 's/^G_c_sources=/G_LIBSUPCXX_C_SOURCES=/'
# src
getvars $_PLATFORM/libstdc++-v3/src/Makefile \
sources SECTION_FLAGS | sed 's/^G_sources=/G_SRC_SOURCES=/'
# include
getvars $_PLATFORM/libstdc++-v3/include/Makefile \
c_base_headers_rename std_headers_rename
getvars $_PLATFORM/libstdc++-v3/include/Makefile \
bits_headers backward_headers ext_headers c_base_headers_extra \
target_headers | sed 's#/[^ ][^ ]*/##g'
getvars $_PLATFORM/libstdc++-v3/include/Makefile \
thread_target_headers target_headers_extra | sed 's#\./[^ ][^ ]*/##g'
} | write_mk gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH/defs.mk
}
##### gnu/usr.bin/gcc3 #####
get_gcc () {
mkdir -p $_TOP/gnu/usr.bin/gcc3/arch/$MACHINE_ARCH
{
getvars gcc/Makefile \
ALL_CFLAGS ALL_CPPFLAGS C_AND_OBJC_OBJS C_OBJS CCCP_OBJS \
GCOV_OBJS PROTO_OBJS HOST_PRINT HOST_RTL HOST_RTLANAL \
HOST_SUPPORT HOST_EARLY_SUPPORT HOST_ERRORS HOST_VARRAY \
INCLUDES md_file OBJC_OBJS OBJS out_file version \
BUILD_PREFIX RTL_H TREE_H HCONFIG_H BASIC_BLOCK_H GCC_H \
GTFILES_SRCDIR GTFILES_FILES_FILES GTFILES_FILES_LANGS \
GTFILES GTFILES_LANG_DIR_NAMES \
tm_defines host_xm_file host_xm_defines tm_p_file \
target_cpu_default \
LIBCPP_OBJS LIBCPP_H \
lang_specs_files
getvars gcc/Makefile \
LIB2ADDEHDEP | sed 's/unwind.inc//'
getvars gcc/Makefile \
CXX_OBJS CXX_C_OBJS | sed 's/cp\///g'
getvars gcc/Makefile \
F77_OBJS | sed 's/f\///g'
} | write_mk gnu/usr.bin/gcc3/arch/$MACHINE_ARCH/defs.mk
for f in auto-host configargs cs-hconfig gencheck hconfig gthr-default; do
write_c gnu/usr.bin/gcc3/arch/$MACHINE_ARCH/$f.h <$_TMPDIR/gcc/$f.h
done
}
##### main #####
_TMPDIR=$2
_TOP=$3
_PLATFORM=$4
_VPATH=`grep VPATH ${_TMPDIR}/Makefile | sed 's,^.*= ,,'`
_GNU_DIST=`cd ${_VPATH}; pwd`
case $1 in
libgcc) # .mk and .h files for libgcc bootstrap (from host build)
get_libgcc
exit 0
;;
gcc3)
get_gcc
get_libg2c
get_libgcc
get_gcc3_libiberty
get_libobjc
get_libstdcxx_v3
exit 0
;;
*) echo invalid arguments; exit 1;;
esac