mknative-gcc revision 1.2 1 #!/bin/sh
2 # $NetBSD: mknative-gcc,v 1.2 2003/07/28 01:29:01 mrg Exp $
3 #
4 # Shell script for generating all the constants needed for a native
5 # platform build of src/gnu/dist/toolchain.
6 #
7
8 bomb () {
9 echo >&1 "ABORT: $*"
10 exit 1
11 }
12
13 # usage: getvars MAKEFILE VARNAME [VARNAME...]
14 getvars () {
15 _mf="$1"; shift
16 $MAKE -f - _x_ <<EOF || bomb "getvars $_mf $* failed"
17 _x_:
18 .for var in $*
19 @echo G_\${var}=\${\${var}:Q} | sed 's,$_VPATH,\$\${GNUHOSTDIST},g'
20 .endfor
21 .include "$_TMPDIR/$_mf"
22 EOF
23 }
24
25 # usage: write_c FILENAME
26 write_c () {
27 echo '/* This file is automatically generated. DO NOT EDIT! */' >$_TOP/$1.tmp || \
28 bomb "cannot create $1"
29 grep '$''NetBSD' $0 | sed 's,[#$],,g;s,.*,/* Generated from: & */,' >>$_TOP/$1.tmp
30 echo '' >>$_TOP/$1.tmp
31 writefile $1
32 }
33
34 # usage: write_mk FILENAME
35 write_mk () {
36 echo '# This file is automatically generated. DO NOT EDIT!' >$_TOP/$1.tmp || \
37 bomb "cannot create $1"
38 grep '$''NetBSD' $0 | sed 's,[#$],,g;s,.*,# Generated from: &,' >>$_TOP/$1.tmp
39 echo '#' >>$_TOP/$1.tmp
40 writefile $1
41 }
42
43 writefile () {
44 sed -e 's,netbsd\(elf\)*1[0-9\.]*\(_\)*[A-Z]*,netbsd\1,' \
45 -e 's,^/\* #undef HAVE_MMAP \*/$,#define HAVE_MMAP 1,' >>$_TOP/$1.tmp
46
47 # Compare new file, sans "generated from" comments and RCS Id, to
48 # old file. If they match, don't change anything.
49 rm -f $_TMPDIR/.1 $_TMPDIR/.2
50 grep -v 'Generated from:' $_TOP/$1 >$_TMPDIR/.1 2>/dev/null
51 grep -v 'Generated from:' $_TOP/$1.tmp >$_TMPDIR/.2
52
53 # will not overwrite a file that has the same content
54 if cmp $_TMPDIR/.1 $_TMPDIR/.2 >/dev/null 2>&1; then
55 rm -f $_TOP/$1.tmp
56 else
57 echo >&2 "$1 changed"
58 mv -f $_TOP/$1.tmp $_TOP/$1
59 fi
60 }
61
62 ##### gnu/lib/libg2c #####
63
64 get_libg2c () {
65 mkdir -p $_TOP/gnu/lib/libg2c3/arch/$MACHINE_ARCH
66
67 write_c gnu/lib/libg2c3/arch/$MACHINE_ARCH/config.h <$_TMPDIR/$_PLATFORM/libf2c/libU77/config.h
68 write_c gnu/lib/libg2c3/arch/$MACHINE_ARCH/g2c.h <$_TMPDIR/$_PLATFORM/libf2c/g2c.h
69
70 {
71 getvars $_PLATFORM/libf2c/Makefile \
72 F2CEXT
73 getvars $_PLATFORM/libf2c/libF77/Makefile \
74 ALL_CFLAGS OBJS
75 getvars $_PLATFORM/libf2c/libI77/Makefile \
76 ALL_CFLAGS OBJS | sed 's,=,+=,'
77 getvars $_PLATFORM/libf2c/libU77/Makefile \
78 ALL_CFLAGS OBJS | sed 's,=,+=,'
79 } | write_mk gnu/lib/libg2c3/arch/$MACHINE_ARCH/defs.mk
80 }
81
82 ##### gnu/lib/libgcc #####
83
84 get_libgcc () {
85 mkdir -p $_TOP/gnu/usr.bin/gcc3/arch/$MACHINE_ARCH $_TOP/gnu/lib/libgcc3
86
87 # DPBIT, FPBIT only used on mn10[23]00, we don't need them.
88 getvars gcc/Makefile \
89 CXX_EXTRA_HEADERS CXX_LIB2FUNCS CXX_LIB2SRCS \
90 INCLUDES LIB2ADD LIB2ADDEH LIB2FUNCS_1 LIB2FUNCS_2 \
91 LIB2_DIVMOD_FUNCS LIB2FUNCS_ST \
92 LIBGCC2_CFLAGS MAYBE_USE_COLLECT2 \
93 tm_defines xm_file xm_defines \
94 | write_mk gnu/lib/libgcc3/$MACHINE_ARCH.mk
95 }
96
97 ##### gnu/usr.bin/gcc3/libiberty #####
98
99 get_gcc3_libiberty () {
100 mkdir -p $_TOP/gnu/usr.bin/gcc3/libiberty
101
102 getvars libiberty/Makefile \
103 ALLOCA EXTRA_OFILES LIBOBJS REQUIRED_OFILES \
104 | write_mk gnu/usr.bin/gcc3/libiberty/defs.mk
105
106 write_c gnu/usr.bin/gcc3/libiberty/config.h \
107 <$_TMPDIR/libiberty/config.h
108 }
109
110 ##### gnu/lib/libobjc #####
111
112 get_libobjc () {
113 mkdir -p $_TOP/gnu/lib/libobjc3
114
115 getvars $_PLATFORM/libobjc/Makefile \
116 ALL_CFLAGS INCLUDES OBJS OBJC_H \
117 | sed "s,$_GNU_DIST,\$\${GNUHOSTDIST},g" \
118 | write_mk gnu/lib/libobjc3/defs.mk
119 }
120
121 ##### gnu/lib/libstdc++-v3 #####
122
123 get_libstdcxx_v3 () {
124 mkdir -p $_TOP/gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH
125
126 # build files
127 for h in gthr.h gthr-single.h gthr-posix.h gthr-default.h c++config.h; do
128 write_c gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH/$h \
129 <$_TMPDIR/$_PLATFORM/libstdc++-v3/include/$_PLATFORM/bits/$h
130 done
131
132 {
133 # libmath
134 getvars $_PLATFORM/libstdc++-v3/libmath/Makefile \
135 libmath_la_SOURCES libmath_la_LIBADD
136
137 # libsupc++
138 getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
139 sources | sed 's/^G_sources=/G_LIBSUPCXX_SOURCES=/'
140 getvars $_PLATFORM/libstdc++-v3/libsupc++/Makefile \
141 c_sources | sed 's/^G_c_sources=/G_LIBSUPCXX_C_SOURCES=/'
142
143 # src
144 getvars $_PLATFORM/libstdc++-v3/src/Makefile \
145 sources SECTION_FLAGS | sed 's/^G_sources=/G_SRC_SOURCES=/'
146
147 # include
148 getvars $_PLATFORM/libstdc++-v3/include/Makefile \
149 c_base_headers_rename std_headers_rename
150 getvars $_PLATFORM/libstdc++-v3/include/Makefile \
151 bits_headers backward_headers ext_headers c_base_headers_extra \
152 target_headers | sed 's#/[^ ][^ ]*/##g'
153 getvars $_PLATFORM/libstdc++-v3/include/Makefile \
154 thread_target_headers target_headers_extra | sed 's#\./[^ ][^ ]*/##g'
155 } | write_mk gnu/lib/libstdc++-v3/arch/$MACHINE_ARCH/defs.mk
156 }
157
158 ##### gnu/usr.bin/gcc3 #####
159
160 get_gcc () {
161 mkdir -p $_TOP/gnu/usr.bin/gcc3/arch/$MACHINE_ARCH
162
163 {
164 getvars gcc/Makefile \
165 ALL_CFLAGS ALL_CPPFLAGS C_AND_OBJC_OBJS C_OBJS CCCP_OBJS \
166 GCOV_OBJS PROTO_OBJS HOST_PRINT HOST_RTL HOST_RTLANAL \
167 HOST_SUPPORT HOST_EARLY_SUPPORT HOST_ERRORS HOST_VARRAY \
168 INCLUDES md_file OBJC_OBJS OBJS out_file version \
169 BUILD_PREFIX RTL_H TREE_H HCONFIG_H BASIC_BLOCK_H GCC_H \
170 GTFILES_SRCDIR GTFILES_FILES_FILES GTFILES_FILES_LANGS \
171 GTFILES GTFILES_LANG_DIR_NAMES \
172 tm_defines host_xm_file host_xm_defines tm_p_file \
173 target_cpu_default \
174 LIBCPP_OBJS LIBCPP_H \
175 lang_specs_files
176 getvars gcc/Makefile \
177 LIB2ADDEHDEP | sed 's/unwind.inc//'
178 getvars gcc/Makefile \
179 CXX_OBJS CXX_C_OBJS | sed 's/cp\///g'
180 getvars gcc/Makefile \
181 F77_OBJS | sed 's/f\///g'
182 } | write_mk gnu/usr.bin/gcc3/arch/$MACHINE_ARCH/defs.mk
183
184 for f in auto-build auto-host configargs cs-hconfig gencheck hconfig; do
185 write_c gnu/usr.bin/gcc3/arch/$MACHINE_ARCH/$f.h <$_TMPDIR/gcc/$f.h
186 done
187 }
188
189 ##### main #####
190
191 _TMPDIR=$2
192 _TOP=$3
193 _PLATFORM=$4
194 _VPATH=`grep VPATH ${_TMPDIR}/Makefile | sed 's,^.*= ,,'`
195 _GNU_DIST=`cd ${_VPATH}; pwd`
196
197 case $1 in
198 libgcc) # .mk and .h files for libgcc bootstrap (from host build)
199 get_libgcc
200 exit 0
201 ;;
202
203 gcc3)
204 get_gcc
205 get_libg2c
206 get_libgcc
207 get_gcc3_libiberty
208 get_libobjc
209 get_libstdcxx_v3
210 exit 0
211 ;;
212
213 *) echo invalid arguments; exit 1;;
214 esac
215